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Exam Code: 2B0-102 Enterasys Security Systems Engineer-Defense approach November 2023 by Killexams.com team
Enterasys Security Systems Engineer-Defense
Enterasys Engineer-Defense approach

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Enterasys Security Systems Engineer-Defense
C. Network Sensor
D. Alarm Tool
Answer: D
Question: 38
The Enable follow on signature check box
A. Enables dynamic packet collection
B. Enables combination signatures
C. Enables macro signatures
D. Applies signature to dynamically collected traffic
Answer: D
Question: 39
Before the host Sensor can be deployed AIt must be associated with a virtual
A. It must be associated with a host policy
B. Its key must be added to the /usr/dragon/bin directory
C. Its address must be added to /etc/hosts
Answer: A
Question: 40
MD5 checksums are
A. Stored in a protected directory on the host
B. Appended to the protected file
C. Passed up the event channel to the MD5 Agent
D. Stored in the /usr/dragon/bin directory on the Enterprise Management Server
Answer: C
Question: 41
Thresholds can be set to
A. Reduce false positives
B. Turn alarming on and off
C. Limit the number of events seen by Alarm Tool
D. Limit the number of sensors sending events
Answer: A
Question: 42
The default event channel port is?
A. 9111
B. 9112
C. 9113
D. 9114
Answer: B
Question: 43
Virtual Sensors can segregate traffic by?
A. IP Address, VLAN, Port
B. IP Address, VLAN, Port, Protocol
C. IP Address, VLAN, Port, Protocol, Application
D. IP Address, VLAN, Port, Application
Answer: B
Question: 44
Right-clicking on an IP address within a Data Mine provides a menu with all
but the following option?
A. Nessus Scan
B. DNS Lookup
C. Asset Profile
D. Port Scan
Answer: A
Question: 45
Master Network Libraries
A. Cannot be directly associated with sensors
B. Cannot be directly associated with virtual sensors
C. Can be directly associated with virtual sensors
D. Can be modified
Answer: C
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Enterasys Engineer-Defense approach - BingNews https://killexams.com/pass4sure/exam-detail/2B0-102 Search results Enterasys Engineer-Defense approach - BingNews https://killexams.com/pass4sure/exam-detail/2B0-102 https://killexams.com/exam_list/Enterasys A Systems Engineering Approach to Requirements Validation

Originally Published MDDI January 2002


A Systems Engineering Approach to Requirements Validation

Product development risks can be reduced by validating project requirements before the design process begins.

Trace Baker

Measured in money, time, safety, and reputation, the errors that are most costly to manufacturers of medical devices are often those made early in the product development cycle. One such error—committing resources in an attempt to meet product requirements that later prove to be invalid—can be prevented by conducting a requirements validation.

Although design input is a focus of the design control sections of the quality system regulation (QSR), most of the literature on medical device development treats requirements review only superficially. There are, however, techniques developed by systems engineers for other industries that device companies can adopt. Modeling, in particular, has proven extremely effective for ensuring the validity of product requirements.


Figure 1. Requirements validation in the context of the QSR requirements for design controls.
(click to enlarge)

Unlike design validation, which is performed after a design has been implemented, requirements validation is performed before the design process starts. The relationship of requirements validation to a typical medical product development process is shown in Figure 1, which was adapted from FDA's design control guidance.1 FDA's guidance also offers five criteria for "assessing design input requirements for adequacy"; specifically, requirements must be unambiguous and verifiable by an objective method of analysis, inspection, or testing; include quantitative limits; be self-consistent and nonconflicting; characterize the use environment; and comply with relevant industry standards. The first three items concern the requirements' validity, the last two their completeness.

It is easy to create examples of requirements that are obviously invalid under the first three criteria. Consider the statement "The deionized-water container shall have a capacity of 1 L and the weight of the filled container shall not exceed 1 kg." A liter of water weighs about 1 kg, so there is no budget left for the weight of the container. Thus, the requirements clearly conflict. Similarly, the requirement that "the instrument shall be capable of fitting through a door" is clearly ambiguous. Adding the dimensions of the smallest door through which the instrument must fit would remove the ambiguity.

Like the FDA guidance, the literature on systems engineering also emphasizes the need for eliminating inconsistency and ambiguity from requirements specifications.2–4 Medical device manufacturers may find an article in the Handbook of Systems Engineering and Management particularly helpful.5 It defines the requirements validation process as ascertaining the answers to three questions:

  • Is the set of requirements consistent?
  • Can a practical system be built that satisfies all of the requirements?
  • Is it possible to prove that the system satisfies the requirements?


The systems engineering approach to requirements validation is also exemplified in the following case study, which involves the development of a fluid-delivery subsystem for a diagnostic device. To use the device, a laboratory technician places each patient demo in a separate well of an eight-well block, which is then handled as a unit. Four requirements, R021–R024, were suggested to specify the delivery to the wells of the reagent needed to process the samples:

  • R021—The nominal dispensed volume (v) of reagent in each well shall be 60 µl.
  • R022—The maximum error (e) of reagent dispenses shall not exceed ±2% when tested across 30 consecutive wells, as calculated by the formula

  • R023—The coefficient of variation (c) of reagent dispenses shall not exceed 1% when tested across 30 consecutive wells, as calculated by the formula

  • R024 —Dispenses of reagent into all wells in a single block of eight wells shall meet the error requirement R022.

These requirements use the common definitions for the demo meanand standard deviation (s) for a demo size of 30:

The need for these requirements is understandable. Because variation in performance is inevitable in a physical system, limits to that variation have to be defined by what the chemistry can tolerate and still produce correct results.

Common medical industry practice since the implementation of design controls is to collect requirements, write a requirements document, and then conduct a requirements review. Would this set of hypothetical requirements pass a review using the first three items listed in the FDA guidance? All four requirements can be tested by simple gravimetric measurement or by inspection, and all four include quantitative limits. They also appear consistent; each addresses a separate aspect of fluid delivery, and they are related to one another through a series of equations. Finally, if there is conflict among the requirements, it is not immediately evident. It seems logical that if the subsystem can meet error requirement R022 for a series of 30 consecutive dispenses, it will be capable of doing so for the eight consecutive dispenses demanded by R024. However, using a systems engineering approach to requirements validation reveals that this assumption is not necessarily true.

A systems engineer might begin validating this set of requirements by posing the question, Is the proposed fluid-delivery subsystem capable of meeting requirement R024 given that it can meet R022 and R023? He or she would then attempt to determine the answer by constructing the simple mathematical models of the three requirements described below. (These analyses are based on two assumptions: that the dispenses are statistically independent, and that dispense error is distributed normally.)

Figure 2. The probability that a single dispense will meet the requirement for error.
(click to enlarge)

The first model considers a limited case where the subsystem is operating with a consistent level of dispense error and coefficient of variation that fall within the R022 and R023 requirements: specifically, an error of +1.5% and a coefficient of variation of 0.8%. With the constant error of +1.5%, the average dispense volume will be 60.9 µl, which is high but still within specification. This case is shown graphically in Figure 2, with the height of the curve representing the probability that any single dispense will have the volume given on the abscissa. The shaded area under the curve is the probability that the volume dispensed in one well will meet the error requirement in R022. For the combination in this example, the probability of eight consecutive wells meeting R022 is 0.978, or approximately 0.78, meaning that as many as 22 of 100 tests attempted may fail to meet this requirement because of the random variation that is allowed by R023. This level of performance is clearly unacceptable for a diagnostic device.

Figure 3. The probability that eight consecutive dispenses will meet the requirement for error across the specified operating conditions.
(click to enlarge)

The general case that covers the entire specified range of parameters allowed under R022 for error and R023 for coefficient of variation can also be modeled. In Figure 3, this range is enclosed by the box, and the probability that the subsystem will meet requirement R024 at any allowed combination of error and coefficient of variation is shown by the colored surface within the box. If the subsystem were capable of meeting R024 under all specified conditions, the probability would be 1 over the entire boxed-in area and the top surface of the box would be a uniform color. As it is, the surface lies below the required probability over much of the area.

The models reveal that, in this set of requirements, R024 is not valid, and there is a simple explanation for this result. Requirement R024 states that "all wells in a single block must meet the error requirement R022." Since every well is part of a block, the unintended requirement is that every well in the device must meet the ±2% error requirement. This is inconsistent with R022, which was formulated to apply to a demo of 30 wells, not to individual wells. Can a practical system be built that operates only in the colored area of the response surface? Perhaps, but at what price?


If the requirements validation modeling described in the case study had not been performed, the consequences of accepting the set of four requirements for the diagnostic device's fluid-delivery subsystem probably would not have been discovered until design validation or production testing. The cost would have been extensive rework and revenue lost to delays in introducing the product to the market. Although requirements validation itself may seem like a time-consuming exercise, device manufacturers can add it to the product life cycle without sacrificing rapid development as a project goal by heeding the following advice.

  • Validate requirements as they are elicited; do not wait for the review that separates the requirements phase from the design phase of a project.
  • Model system behavior mathematically before building physical prototypes and running experiments. The example in this article was modeled in less than an hour using Mathcad.
  • Begin the validation process with simple models—perhaps nothing more than a sketch—to identify areas of concern that require further exploration.
  • Don't hesitate to consult certified when validating requirements that involve domain knowledge.

A checklist for preparing requirements documents appropriate to medical device development can be compiled for a project by consulting systems engineering books and articles.2–9 In the demo checklist that follows, the questions apply to both the entire set of requirements and to individual requirements.

  • Does the requirement meet a stated stakeholder need?
  • Does the requirement preserve the product's competitiveness?
  • Is the requirement both necessary and sufficient?
  • Is the requirement understandable without having to analyze the meanings of words?
  • Does the requirement have a unique interpretation?
  • Do all project participants interpret the requirement in the same way?
  • If assumptions were made during project definition, is the requirement consistent with those assumptions?
  • Is the requirement redundant?
  • Does the requirement conflict with others?
  • Does the requirement contain errors of fact?
  • Is it physically possible to meet the requirement using existing technologies?
  • Can the requirement be met within the approved schedule and budget?
  • Is the statement of the requirement expressed only in terms of what and why, rather than how?
  • If the requirement may have to be changed, is there enough information available to allow the change to be made completely and consistently?
  • Does the requirement include specific tolerances?
  • Is the statement of the requirement verifiable through modeling, simulation, analysis, inspection, or logical argument?
  • Can the realization of the requirement be Checked by a finite, objective, and ethical process?
  • Are mandatory requirements distinct from preference requirements (also called goals)?


Following a systems engineering approach to requirements validation compels developers to address more issues than the five criteria given by FDA for assessing design input adequacy. Yet the benefits of such increased scrutiny make the expenditure of time and effort worthwhile. By validating requirements before design begins, manufacturers can guard against the need for unexpected rework late in the development cycle or after the product enters the marketplace. The resulting savings in time and money—and even reputation—can be significant.


1. Design Control Guidance for Medical Device Manufacturers (Rockville, MD: Food and Drug Administration, 1997).

2. I Sommerville and P Sawyer, Requirements Engineering (Chichester, England: Wiley, 1997).

3. BP Douglass, Doing Hard Time (Reading, MA: Addison-Wesley, 1999).

4. RS Pressman, Software Engineering, a Practitioner's Approach (New York: McGraw-Hill, 2001).

5. AT Bahill and FF Dean, "Discovering Systems Requirements," in Handbook of Systems Engineering and Management, eds. AP Sage and WB Rouse (New York: Wiley, 1999).

6. Standard for Application and Management of the Systems Engineering Process, IEEE Std 1220-1998 (New York: Institute of Electrical and Electronics Engineers, 1999).

7. Systems Engineering Handbook, release 1.0 (Seattle: International Council on Systems Engineering, January 1998).

8. [Sub]system Requirements Analysis Phase, JPL D-4003, version 3.0 (Pasadena, CA: Jet Propulsion Laboratory, 1988).

9. Systems Engineering Handbook, vol. 1, MSFC-HDBK-1912 (Huntsville, AL: Marshall Space Flight Center, 1991).

Trace Baker works for Colorado MEDtech in Boulder, CO, where he is a senior principal systems engineer.

Copyright ©2002 Medical Device & Diagnostic Industry

Tue, 07 Nov 2023 10:00:00 -0600 en text/html https://www.mddionline.com/news/systems-engineering-approach-requirements-validation
3D Printer Tuning: An Engineering Approach

[MirageC] is a bit of a contrarian. Instead of taking pictures of 3D printed objects that show them in their best light, he takes pictures that show them at their worst. The reason? He wanted to figure out why he was seeing a strange artifact in his printer when using a direct extruder. Just at a quick glance, you might think the problem was Z wobble, but, in this case, it was something else. You can see the fine detective work in the video below.

There were a few odd things about the problem. First, it scaled with the part size. Secondly, the problem got better when he switched to a Bowden tube setup. We don’t want to supply away the ending, but you can guess from that clue that the problem had something to do with the extrusion system.

The resulting analysis led [MirageC] to work with BMG to create a special gear which — surprisingly, didn’t help as much as he thought it would. However, it did help point the way to the correct solution.

Along the way, you can learn a lot from following along, and maybe you’ll even Boost the quality of your prints. We always enjoy these detailed analyses of printer issues, like the ones from [Stefan], for example. If you want to go hardcore engineering on your 3D prints, you can always do finite element analysis on your infill.

Sun, 12 Nov 2023 09:59:00 -0600 Al Williams en-US text/html https://hackaday.com/2022/11/04/3d-printer-tuning-an-engineering-approach/
Aerospace & Defense Jobs No result found, try new keyword!ENSCO, Inc. - Colorado Springs, CO - Aerospace ...priority programs since 1969.ENSCO operates in the aerospace, avionics, national security, rail, and cyber sectors ... Mon, 17 Aug 2020 07:30:00 -0500 en text/html https://www.military.com/veteran-jobs/search/aerospace-defense-jobs What is Software Engineering?

Software engineering is the branch of computer science that deals with the design, development, testing, and maintenance of software applications. Software engineers apply engineering principles and knowledge of programming languages to build software solutions for end users.

Software engineers design and develop computer games, business applications, operating systems, network control systems, and middleware—to name just a few of the many career paths available.

A career as a software engineer can be both fun and challenging with opportunities to work in almost any industry, including large and small businesses, government agencies, nonprofit organizations, healthcare facilities, and more. And as technology continues to evolve, the need for software developers continues to grow. Many companies are also shifting towards hiring software engineers who work from home, allowing for increased flexibility and more opportunities to enter the field.

What Careers Are There in Software Engineering?

Career opportunities in software engineering are driven by new technologies in automobiles, aviation, data management, telecommunications, factory control, robotics, defense, and security. Software engineers may develop computer games, business applications, operating systems, network control systems, and more. A bachelor's degree or higher is often required to work as a software engineer.

Two common jobs within software engineering are applications developers and systems developers.

Applications developers design computer applications, such as games, for consumers. They may create custom software for a specific customer or commercial software to be sold to the general public. Some applications developers create databases or programs for use internally or online.

Systems developers create operating systems, either for the public or for an organization. These operating systems keep computers functioning and control most of the consumer electronics in use today, including those in cell phones and cars. Often, systems developers also build the interface that allows users to interact with the computer.

Of course, applications and systems developer jobs are not the only two positions available in the field of software engineering. Other common roles include mobile developers, applications architects, quality assurance analysts, and database administrators.

Some common job titles for software engineers include:

  • Applications Architect
  • Applications Developer
  • Computer Applications Engineer
  • Database Administrator
  • Mobile Developer
  • Program Manager
  • Programmer
  • Project Leader
  • Quality Assurance Analyst
  • Software Engineer
  • Software Quality Engineer
  • Systems Analyst
  • Systems Developer

What Tasks do Software Engineers do?

Successful software engineers use programming languages, platforms, and architectures to develop everything from computer games to network control systems. In addition to building their own systems, software engineers also test, improve, and maintain software built by other engineers.

Day-to-day tasks for a software engineer might include:

  • Designing and maintaining software systems or applications
  • Evaluating and testing new software programs
  • Optimizing software for speed and scalability
  • Writing and testing code
  • Ensuring platform compatibility
  • Creating and enforcing IT standards within an infrastructure
  • Maintaining documentation of IT systems
  • Releasing software updates
  • Collaborating with development teams, senior systems architects, and data science professionals
  • Consulting with clients, engineers, security specialists, and other stakeholders
  • Recommending software upgrades for existing programs and systems
  • Presenting new features to stakeholders and internal customers

How Much do Software Engineers Make?

Thanks to strong industry demand and their own technical expertise, skilled software engineers are well compensated for the value they deliver. The mean annual salary for software developers was $132,930 in May 2022.

The hiring outlook for software engineers is great, as well. The Bureau of Labor Statistics projects that software engineering jobs will increase 25 percent through 2031.

Source: U.S. Bureau of Labor Statistics

More about computing salaries.

What Skills do Software Engineers Need?

Software developers design software to help solve problems faced by real people. This requires a combination of both technical and soft skills. A bachelor's degree in computer science, software engineering, or a related degree program is the most common entry-level requirement for software engineers.

Generally speaking, most software engineers will need to have the following technical knowledge and skills:

  • Coding languages like Python, Java, C, C++, or Scala
  • Object-oriented programming
  • Database architecture
  • Agile and Scrum project management
  • Operating systems
  • Cloud computing
  • Version control
  • Design testing and debugging

Other beneficial soft skills for a software engineer may include:

  • Collaboration and communication
  • Multitasking
  • Continuous learning
  • Attention to detail
  • Problem-solving
  • Agile project management

The Future of Software Engineering

With our ever-increasing dependency on technology and the growing internet of things, the future of software engineering is bright. Software engineers are employable in nearly every industry, in both large and small organizations.

According to the US Bureau of Labor Statistics, employment of software developers, quality assurance analysts, and testers is projected to grow 22 percent through 2030—much faster than the average for all occupations.

Source: US Bureau of Labor Statistics

Software Engineering at Michigan Tech

Michigan Technological University's College of Computing is the first college in Michigan fully dedicated to computing, and one of only a few nationwide. Secure your future in software engineering with a degree from Michigan's flagship technological university.

Software Engineering—BS

Michigan Tech's ABET-accredited Bachelor of Science in Software Engineering is consistently ranked among the top ten undergraduate software engineering programs in the country. Our curriculum provides a foundation in computer science during the first two years followed by specialized training for software engineers during the final two years focusing on both the practical and technical sides of software.

Opportunities to explore software engineering outside the classroom are numerous at Michigan Tech. You might choose to join a computing-focused Enterprise team or student organization, seek out research opportunities with faculty members, or develop an independent project. With an entire College dedicated to computing, you're sure to find your people and form lasting connections while exploring your passion for computing.

When you graduate from Tech, you'll be in demand by employers. 100 percent of our software engineering graduates are employed within six months of graduation. Their employers include major companies such as American Express, Argonne National Laboratory, Boeing, Blue Cross Blue Shield, General Electric, Google, Lockheed Martin, Motorola, Texas Instruments, the US Air Force, and more.

General Computing Program

If you're still deciding which computer science focus you want to pursue, the first-year undergraduate General Computing program gives you one or two semesters to explore the discipline and decide which degree program sparks your curiosity the most. It's a starting point to supply you some space to choose the computing field that fits you the best.

Sun, 02 Oct 2022 17:58:00 -0500 en text/html https://www.mtu.edu/cs/undergraduate/software/what/
Undergraduate Study

Discover our whole-brain engineering philosophyThe concept of whole-brain engineering™ runs through all of McCormick’s bachelor’s degree and other specialized programs. Each program delivers a balanced education through coursework, research, internships, and extra-curricular activities. You can even design your own program within engineering, or combine an engineering degree with a second major at Northwestern.

At McCormick, our goal always is to help you articulate and pursue your individual goals and develop into a well-rounded engineer capable of achieving your full potential.

Ready to begin?

Request More Information
Apply to McCormick

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Welcome New Students

Whole-Brain™ Engineering

Complex problems have complex solutions. Energy and sustainability, global health, poverty, and education—true solutions to these challenges involve multiple disciplines. McCormick’s curriculum is crafted to produce whole-brain™ engineers who think and work across disciplines—engineers whose deep technical skills are augmented by creative and humanistic thinking. To broaden their body of knowledge, Northwestern requires its students to study outside McCormick and encourages participation in one of the many extracurricular activities offered.

Through the integration of three key areas, we provide opportunities for students to develop superior technical skills and complementary creative thinking as they become whole-brain engineers:


The entry point to whole-brain thinking, design connects the technical skills of engineering with the creativity needed to correctly frame and solve the problem. This design knowledge sets McCormick students apart from their peers at other schools and in the workplace after they graduate.


Entrepreneurship is strongly encouraged in all areas at Northwestern. The Farley Center for Entrepreneurship and Innovation provides course offerings, funding, and guidance to students looking to nurture and develop their innovative ideas.


With resources such as the Center for Leadership, McCormick students gain the skills and ability to rally support around an objective, manage team dynamics, and maximize collaboration.

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A Whole-Brain Experience

Just as whole-brain engineering results from the combination of analytical left-brain skills and creative right-brain thinking, many seemingly disconnected factors intersect at McCormick to create a unified experience unlike that at any other engineering school.

More than 1,600 undergraduates study at McCormick, with approximately 400 incoming freshmen every year. All engineering students and faculty members participate in classes, collaborate on projects, conduct research, and share knowledge and experience in one physical location. This closeness brings people with diverse thinking and skills together on a daily basis where ideas can be exchanged, insights gained, perspectives broadened, and life-long professional and personal relationships formed.

Learn about our academic departments

Learn about our student groups

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Connections Across Disciplines and Schools

Northwestern University, known for its emphasis on collaboration, promotes partnerships among disciplines – and this is where new discoveries and innovations often occur. In fact, the majority of science and engineering departments are clustered closely together on campus.

However, our whole-brain approach takes us even further afield. McCormick actively collaborates with nearly every school at Northwestern, and our faculty and students often extend their research projects initiatives around the world.

As an undergraduate, you’ll collaborate with students from a range of disciplines and schools through opportunities such as our innovative Engineering First® curriculum for first-year students, NUvention courses, coursework and projects at the Segal Design Institute, and more.

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Innovative Curriculum

From the very start of your freshman year at McCormick, you’ll experience firsthand what it feels like to be a practicing engineer. In our groundbreaking Engineering First® program, you’ll work with real clients through the Design Thinking & Communication (DTC) courses, solve problems, deliver tangible results, and make a positive impact on another person’s life—all within your first year.

In addition, our Social Science / Humanities Theme Requirement ensures you become a well-rounded engineer by developing an area of competency in the humanities. You choose your theme’s focus based on your own interests.

Learn more about our core curriculum

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Advising Resources

Students at McCormick receive a wealth of support and guidance in all areas from the start of their academic careers to graduation and beyond.

Student Advising

The McCormick Advising System provides guidance to first-year engineering students and serves as a continual resource through their years of study. Departmental faculty advisers continue to support upperclass students in their respective fields and majors.

Personal Development

The Personal Development StudioLab is just one of several resources that empowers students to take ownership of their learning and connect their personal goals with available courses and activities.

Career Development

With opportunities such as the Cooperative Engineering Education Program (Co-op) that gives students hands-on work experience, Engineering Career Development (ECD) provides programs and services that offer career advice and integrated learning.

Learn more about personal and career development at McCormick

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Award-winning Faculty

McCormick students enjoy small classes taught by 180 full-time faculty members—professors recognized as leaders in their field who hold numerous patents, work closely with industry, and routinely receive major awards to pursue cutting-edge research.

McCormick’s 1:9 faculty-student ratio means that world-class faculty get to know you by name, and undergraduates frequently play active roles on faculty-led research teams.

Meet our world-class faculty

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Groundbreaking Research

As a McCormick student, you’ll soon realize how our dual mission—creating new knowledge through research and engaging and educating our students — directly affects your life and future in very real and practical ways.

You’ll see how the scope and quality of our faculty’s research energize the classroom with new ideas across the full spectrum of engineering disciplines, and how their passion for their work inspires you with new possibilities in your chosen field. It may even draw you into the research lab to work side by side.

As early as your first year, you’ll have opportunities to participate in innovative research with our faculty members. It’s common for our students to be part of a team that publishes notable research results and connects science to solutions that affect people’s lives.

Learn about research opportunities for undergraduates

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Chicago: A Great American City

Situated along the north shore of spectacular Lake Michigan, Northwestern’s Evanston campus is just 12 miles north of downtown Chicago, a quick ride on public transportation. Our location provides easy access to a wide array of cultural activities including sports, music, art, and restaurants, as well as nearly unparalleled access to major corporations, research centers, organizations for study, internships, co-op positions, and other valuable career opportunities.

Tue, 24 Oct 2023 13:09:00 -0500 en text/html https://www.mccormick.northwestern.edu/academics/undergraduate/
That’s How These Brothers Roll: A Songwriter, An Engineer, And Their Innovative Approach To Wheelchair Safety

“His smile was as bright as the August sun / When he looked at me

As he struggled down the driveway / It almost made me hurt

Will don't walk too good / Will don't talk too good

He won't do the things that the other kids do / In our neighborhood”

Recorded by Martina McBride and co-written with Tom Douglas, Grammy-nominated songwriter Barry Dean’s first single God's Will was named to Rolling Stone's 40 Saddest Country Songs of All Time. It was inspired by the premature birth and mobility struggles of Dean’s daughter Katherine.

Katherine has inspired tens of millions of listeners who have been touched by the song, but she is also the catalyst for LUCI, an award-winning smart technology product that attaches to standard power wheelchairs. It improves safety with sensors that prevent the wheelchair from running into walls, people, or objects, and stops it before unexpectedly tumbling over a curb: hazards that are everyday realities for wheelchair drivers.

In 2003 there were more than 100,000 emergency department visits in the U. S. for wheelchair injuries and that number is likely closer to 200,000 in 2022. 55% of wheelchair riders report at least one tip or fall in the past three years. A drop of as little as two inches can cause significant injuries when a 300-pound wheelchair falls on its rider; most standard curbs are six inches. Power wheelchair crashes can be as forceful as car crashes, without the safety features of an automobile.

“We’re a young company and LUCI has only been on the market for a year, but we have users in over 40 states already and we have aggregated, anonymized data that show that over 10,000 collisions, drop offs or tips are prevented each week.” Barry Dean

Billed as “smart wheelchair technology for the most fearless people on Earth,” LUCI was founded by Dean and his engineer brother Jered Dean, a former professor at Colorado School of Mines, design consultant, and product developer of innovations as varied as complex weapons systems and medical devices. The danger of power wheelchair accidents hit close to home when a close friend’s mother was badly injured in a tipping accident, and Jered made it his mission to re-engineer Katherine’s wheelchair to be safer and smarter.

LUCI’s smart mobility technology has received innovation awards from prestigious organizations like Time, Popular Science, Fast Company, and CES. Not satisfied to stop at preventing mobility accidents, the Dean brothers have three new innovations they are launching this year: LUCI+AIR, a real-time, smart air cushion monitor that helps mitigate against potentially life-threatening pressure injuries; LUCI Ramp Assist, assistive technology that allows a wheelchair with LUCI to autonomously drive up narrow ramps like mobility vans; and LUCI View, which provides wheelchair users a 360-degree view. LUCI technology connects wheelchair users and caregivers via an app. It also works with Alexa and Google Assistant to alert them about the status of their battery life via voice command.

LUCI is an inspiring story of a father’s concern, an uncle’s love, and two brothers’ relentless pursuit of innovation to increase safety, independence, and quality of life.

You founded LUCI to provide smart wheelchair technology that improves safety, mobility, and independence for wheelchair users. Tell us more about the process of growing LUCI from a wish, to an obsession, to founding the world’s first and only smart technology platform for power wheelchairs.

Barry Dean: In our case we were turning a vision into a reality. I think a lot of times people start a company and then go look for a vision. In our case, we had a really clear view of the lived experience. We spent the first year developing what we call the “42 stories” of all the things we wanted the wheelchair to do in the next 20 years. We realized the pain points and got started on providing an answer. The pain point we see, and refer to most, is that the chair has not been living up to the potential of the person in the chair.

We took the time to understand the dreams and desires of people, then write those in story form. The intellectual property and technology were developed around that. So it’s been a clear vision and that pointed us towards the technology platform and then the creation of a company we knew we had to found.

Jered Dean: We didn’t do the textbook minimum viable product. It was more of really understanding what users and their teams were looking for and trying to create the technology platform and operating system that could support the future. The innovations are always serving the dreams of the 42 stories, which include not just the person in the chair, but their team. We know life is a team sport with their clinicians, their rehab engineer, and their caregivers. We really looked at that holistically because we have multiple customers, and we’re going to try to have that chair be an ally, a teammate.

“LUCI isn’t just ‘good tech for wheelchairs.’ LUCI is ground-breaking technology for anyone addressing advancements in robotics or mobility as a service, in factory situations and the unmapped world.” Barry Dean

Barry Dean: LUCI isn’t just “good tech for wheelchairs.” LUCI is ground-breaking technology for anyone addressing advancements in robotics or mobility as a service, in factory situations and the unmapped world. We’ve got a millimeter-wave radar Jered developed with Texas Instruments. We’ve developed a new way of doing ultrasonics. There’s sensor fusion with stereo vision cameras. To be able to stand up something this precise and durable that’s essentially powered by a boat battery, at this price point - the whole thing costs less than one lidar - is really something. Sometimes the story and mission overshadow the engineering accomplishments because it’s so cause oriented, but the engineering and technology developments stand on their own.

There is an inspiring video on your website that describes why each of your test chairs has a name. Tell us more.

Jered Dean: The names on our test chairs come from the users’ families we bought them from. We’re grateful they shared their stories with us. The people behind those names represent very different diagnoses, from amyotrophic lateral sclerosis (ALS) to multiple sclerosis to cerebral palsy. What we’re focused on is a lot more than the diagnosis, it’s the lived experience of being in a wheelchair and the team aspect of connecting and managing independent mobility and user health.

Barry Dean: If you’re working with the Bruce chair and you know Bruce’s story, you may have never met Bruce, but you’re inside that story of what he dreamed his wheelchair could do, and the ways that it could and should enrich his life.

I’ll supply you an example. One use case was about having a visualizer just like a car would have, that shows you around the space of your chair. In Katherine’s case, her spine is fused, and she can’t turn around. We were able to develop that and provide it as an over the air update.

Jered Dean: We started with the basics of turning a dumb wheelchair into a smart wheelchair, and now we’re in the fun phase where we’re continuing to make LUCI smarter and more capable and provide those upgrades with over the air updates.

You’ve inspired – and been inspired by – many people. Can you share some particularly touching stories of LUCI users?

Jered Dean: There was one eight-year-old boy, his parents had been trying to find a way to allow him to drive a power wheelchair and independently explore his world for five years. And they just hadn’t found a good way to do it. Training was difficult and safety was a concern. Within 15 minutes of using LUCI, he was successfully driving around in a clinic, talking to people. That ability to independently move himself is so important both for his confidence and his development. He finally had freedom to move around; before, somebody always had to move him.

We’ve seen that same kind of experience for some veterans who’ve had traumatic brain injuries. LUCI becomes the difference between being pushed around in a manual chair or being independent in their community in a power chair.

Barry Dean: I’m thinking of a young woman who was a very nervous driver and was afraid to be in public settings. She had been injured many times in her chair before LUCI. We learned that there are twice as many people going to the emergency room for wheelchair injuries than are injured in motorcycle accidents in the US each year. LUCI has not only helped keep her safe, which is awesome, but it has helped increased her confidence. That confidence has allowed her to get out in her community and she just got her first job.

We’re a young company and LUCI has only been on the market for a year, but we have users in over 40 states already and we have aggregated, anonymized data that show that over 10,000 collisions, drop offs or tips are prevented each week. Those are all potential injuries. To be able to have that impact is a pretty stunning thing.

Barry, you had a successful career as a songwriter to country music greats like Reba McEntire, Carrie Underwood, Tim McGraw, Luke Combs, and many more before founding LUCI. To what extent do you feel your experience in the creative arts contributes to the success of LUCI, and how does that balance with Jered’s engineering expertise?

Barry Dean: It’s been a real honor to get to work with Jered and I always say it would be a really short story if it was “songwriter wants to do something to help his daughter.” That would have been about the extent of that story without Jered and his team and what they’ve created.

We say internally that LUCI’s message about hope and joy and that you’re being heard. I think there are a lot of families like mine and users like my daughter and her friends who didn’t feel like they were being listened to or served. When you’re writing songs and creating music, listening and really understanding people, their stories and their lives, and connecting with them, is a big part of that. And so I think that music and LUCI share that aspect of listening, looking for the future and having an impact. I love writing songs and still do, but LUCI impacts the future at a scale that is just as important as music to me.

Jered Dean: One of the things I’ve learned from working with Barry is how much overlap there is in the creative processes. We look at it through different lenses between the technical creativity and artistic creativity but putting those two together has been amazing.

What obstacles and setbacks have you experienced, and what advice do you have for other founders working to bring technology to serve others?

Jered Dean: We launched during the pandemic, which was an interesting thing. LUCI is a piece of hardware that mounts to an existing power wheelchair, but then utilizes software and an operating system. Because there is that hardware component we needed to get into clinics and demonstrate it, show that it exists. The wheelchairs that we mount to weigh 350-450 pounds without a person, and they aren’t easily transported.

“We are always immediately looking for the door that’s open when other doors close.” Jered Dean

So, we used our connection to the music business. We realized performers’ tour buses were just sitting around during the pandemic. We loaded the wheelchairs and tools underneath and toured doing demos in some top clinic parking lots around the country. It allowed us to move forward cautiously and respectfully.

We are always immediately looking for the door that’s open when other doors close.

Barry Dean: I do think sometimes the mission overshadows how phenomenal and interesting the technology lift is. The other thing is that most people are not aware that this is a real market. You’ve got a million more people spending their lives in power and manual wheelchairs in the US than are driving electric vehicles. It’s a big group of people who had been overlooked. It is an industry that’s a little stuck in the status quo and ripe for disruption. And there’s a person in that chair who has been clamoring for real innovation, and we’re going to talk with that person and supply them the dignity of treating them as a customer.

We’re raising our first round of funding and that will close in the next couple of months. That’s been a whole new experience. We’re growing fast and we’re really excited about it.

One last question: wha is the meaning of the name LUCI?

Barry Dean: Katherine is a huge Beatles fan, and her favorite song is Lucy in the Sky With Diamonds. In the very beginning, our cloud development team, led by Jared’s wife, named themselves Lucy, given the cloud/sky connection. It stuck.

The conversation has been edited and condensed for clarity. Follow me on LinkedIn or check out my other columns here.

Mon, 08 Aug 2022 14:33:00 -0500 Heather Wishart-Smith en text/html https://www.forbes.com/sites/heatherwishartsmith/2022/08/08/thats-how-these-brothers-roll-a-songwriter-an-engineer-and-their-innovative-approach-to-wheelchair-safety/ How will Nick Nurse approach defense with the Sixers?

During Nick Nurse’s five years as head coach of the Toronto Raptors, a hallmark of his teams, which ranged from great to good to middling, was a consistent place among the league’s top 10 in defensive turnover rate. According to Cleaning The Glass, they led the league in that category the past three seasons, were second in 2019-20 and ninth in 2018-19. Contrastingly, the Philadelphia 76ers have only finished top 10 once since 2017-18 – third in 2020-21 – and generally adhered to conservative defensive schemes under former head coaches, Doc Rivers and Brett Brown.

Recently, the Raptors’ brash style was partly borne out of necessity. They often lacked a true rim protector, so forcing turnovers was the path to successful possessions that kept the ball out of the paint. Their half-court offense was sticky, so generating fast-break opportunities helped avoid that stickiness. Philadelphia, however, has its anchor in Joel Embiid and should be a pretty good offense with or without James Harden.

Personnel helps dictate schemes and this is a completely different roster composition than those Toronto squads. Even so, these Sixers seem well-equipped to continue some of the aggression Nurse gravitated toward up North.

De’Anthony Melton, Patrick Beverley, Tobias Harris, Kelly Oubre Jr. and Paul Reed are all dexterous defenders touting gaudy playmaking rates who should be empowered to hunt takeaways. Melton and Beverley excel in pressuring at the point-of-attack to render opponents uncomfortable and ideally produce mistakes. Harris and Oubre love the sneaky swipe as their man transitions into a shot or pass. Paul Reed has magnets for hands and is tremendously good trapping ball-screens in pick-and-roll coverage.

All of them placed in the 61st percentile or better at their positions in steal percentage in 2022-23. Reed and Melton were above the 90th percentile in both steal and block percentages. Melton’s boom-or-bust approach sometimes rattled possessions when it failed because of the team’s typically conservative game plan. Entering the year with an aggressive ethos could make it easier for everyone to adapt when Melton’s pursuits fall flat.

Given Embiid’s enormous offensive responsibilities and possession-by-possession inconsistencies defensively, tabbing him as the safety blanket of a high-flying unit may be putting too much on his plate. He’s a very good defender, but someone whose peak on that end has declined from the early days of his career, which manifests with some unpredictability in his commitment to rim protection.

If Tyrese Maxey proves ready to assume a larger workload offensively, Harris sees an uptick in usage, particularly as a creator, and Oubre is garnering notable volume, it’s not inconceivable Embiid could be more of a 27- or 28-point scorer rather than a 33-point one and is ready to dial up the defensive intensity. I expect he’ll be tasked with more facilitating duties in lieu of Harden’s presumed absence and that may counteract any scoring decline, but there’s a world in which he rediscovers his All-World mojo defensively. And if Nurse has his way, that will certainly be the case.

“I’m going to really expect a lot more rim protection from him. I would say that would be where I’m going to start at,” Nurse said during an appearance on “The Pat Bev Pod” earlier this month. “We’re going to probably let our aggressive guards be really aggressive and funnel a lot of things to him. I am expecting that, I always say like, he’s gonna take more swings at blocked shots.”

Under Rivers, Philadelphia was pretty tepid in providing help at the nail and one pass away on drives. Between the Raptors’ habits and his words above, that likely changes under Nurse, who also said Reed will “for sure” play alongside Embiid. Through three seasons, they’ve only shared the floor for 25 possessions, so it’ll require an adjustment period. The offense will stall at times, with Reed’s long-range shooting a question mark. He’s a much better cutter and finisher than P.J. Tucker -- who defenses generally ignored next to Embiid last season -- so the big fella’s gravity and passing prowess may help navigate the Sixers through some of those lulls.

Defensively, though, the possibilities are pretty intriguing. Assigning Embiid to poor or non-shooters and letting him park near the rim, while Reed causes havoc in pick-and-rolls, could spur quite the dilemma for opposing offenses. The projected rotation (Maxey, Melton, Harris, Tucker, Embiid, Beverley, Oubre, Reed) is more defensively slanted than last season. Those upgrades specifically align with Nurse’s schematic preferences and it could help the Sixers establish a defensive identity that generally escaped them for the majority of last season.

Follow Jackson on Twitter: @jackson_jjf

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Sat, 30 Sep 2023 04:42:00 -0500 text/html https://www.phillyvoice.com/sixers-defense-analysis-nick-nurse-joel-embiid-paul-reed-nba/
Meta’s Approach to Protecting Teens Isn’t Working, Says Former Engineer

Meta’s Approach to Protecting Teens Isn’t Working, Says Former Engineer

A former Meta employee says executives at the company are failing to protect minors on its platforms. WSJ reporter Jeff Horwitz joins host Julie Chang to discuss what led him to testify on Capitol Hill. Illustration: Taylor Callery

Wed, 08 Nov 2023 08:34:00 -0600 en-US text/html https://www.wsj.com/video/series/tech-news-briefing/metas-approach-to-protecting-teens-isnt-working-says-former-engineer/4E2E53BB-F78C-44B0-810F-5C795C5D5991

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