Electro-Mechanical Engineering Consultants: 8

Robert O. Peruzzi, PhD, PE is a Licensed Professional Electrical Engineer with particular expertise in Mixed-Signal Integrated Circuits (MSICs). His subspecialty within this broad category is with Integrated Circuits (silicon chips) used for signal-processing. Dr. Peruzzi's recent clients include Quantenna Communications, Wavefront Research, LSI, Berkeley Design Automation, among others. Examples of Signal Processing Systems:

• Telephones, mobile phones, cell phones
• Data recording and retrieving systems for magnetic media such as disk drives
• Radio transmitters / receivers - low noise amplifiers, filters, automatic gain control and frequency mixers
• Audio amplifiers
• Audio recording / reproduction systems
• Heat, ventilation, air conditioning controllers
• Data transmitting / receiving systems

Areas of Expertise:

• Behavioral modeling of analog/mixed-signal circuits using Verilog-AMS, VHDL-AMS or MATLAB/Simulink
• Specific verification requirements
• High-speed verification using real-value modeling techniques
• System-level design exploration
• Executable design specs

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Quality Forensic Engineering, LLC is a full-service forensic engineering firm, providing engineering support to clients in the areas of accident reconstruction, biomechanics, fire investigations, patent litigation analysis, premises liability, product liability, and tire failure analysis. We use the latest technology and industry proven techniques to provide thorough analysis and conclusions for the most difficult engineering questions. Our forensic engineers support clients throughout the U.S. Our locations include Tallahassee, FL; Jacksonville, FL; Tampa, FL; New Orleans, LA; San Diego, CA; and Tucson, AZ.

Dr. Brian Pfeifer, P.E. - Dr. Pfeifer is an Engineering Expert with over 25 years of experience investigating thousands of cases involving a variety of forensic engineering issues. He is a leading expert in accident reconstruction, roadside safety, maintenance of traffic, commercial vehicle accidents, pedestrian accidents, bicycle accidents, and the analysis of mechanical systems and product failures. Dr. Pfeifer has a strong background in the design, development, and implementation of roadside safety hardware including guardrails, bridge rails, and crash cushions. Over 33 patents have been filed worldwide on behalf of Dr. Pfeifer and associated colleagues who invented safer guardrail systems, vehicle storage systems, shipping container handling systems, and material handling and storage methods. He has also utilized his technical knowledge and understanding of patents to assist in a number of matters involving patent litigation.

Dr. Pfeifer has published numerous papers to various organizations, covering topics such as new guardrail systems, energy absorbing guardrail terminals, breakaway sign mechanisms, and material handling technology. He has shared his expertise with many organizations on topics including vehicle collisions, bicycle accidents, roadway construction zones, and accident reconstruction expert witness utilization. Dr. Pfeifer is a registered Professional Engineer in nine states and he continues to refine his skills and knowledge of accident reconstruction and roadside safety by staying current with new technology and best practices. Dr. Pfeifer has extensive experience with providing deposition and trial testimony as an Engineering Expert.

See Full Bio & CV.

Expertise:

Automobile Collisions Tractor-Trailer Collisions Guardrails / Bridge Rails Construction Zones Bicycle Accidents Pedestrian Accidents Motorcycle Accidents Occupant Kinematics

Roadside Safety Airbag Control Module (ACM) Analysis Tractor Trailer Electronic Control Module (ECM) Analysis Product Failure Analysis Maintenance of Traffic (MOT) Evaluation Restraint System Analysis Patent Litigation Technical Analysis

Dr. Ian M. Zeller, PhD, ACTAR, is an accomplished engineer with more than 10 years of experience in Biomechanics and Computational Dynamics fields. He has investigated hundreds of cases ranging from motor vehicle accidents, recreational incidents, medical device designs, as well as injuries from product liability all across the United States. 

Dr. Zeller has graduate level experience in computational dynamics and orthopedic biomechanics with a specific emphasis in dynamics, vibrations, joint contact mechanics, and muscle control during static and dynamic loading applications. Dr. Zeller’s past research includes clinical and computational analysis of the human body with respect to the design and implantation of orthopedic devices for the knee, hip, and spine. He has published in peer-reviewed journals and presented research at both technical and surgical conferences in North America, Europe, and Asia. Dr. Zeller also worked with surgeons across the United States in the design and assessment of knee replacement devices, including personalized and prototype devices to optimize for efficacy and safety. 

Dr. Zeller is also accredited as a traffic accident reconstructionist and continues to conduct research as well as maintain a current knowledge of developing trends and best practices in the biomechanics and engineering fields. Dr. Zeller has published to various organizations on topics ranging from knee replacement design, forward solution modeling, joint mechanics, personalized joint replacements, material structures and properties as well as biological modeling of disease distributions. He also has an extensive testifying history including depositions, trials, and arbitrations. 

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Expertise:

Biomechanical Analysis Accident Reconstruction Injury Consistency Mechanism of Injury Analysis Vehicle Occupant Kinematics Falling Object Mechanics and Analysis Bicycle Accidents Pedestrian Accidents Amusement Park and Playground Accidents Crash Data Retrieval and Analysis

Product Failure Analysis Seat Belt Analysis Restraint System Occupant Position Determination Sequential Events Analysis Speed Analysis Vehicle Damage Consistency Collision Avoidance Material Fracture Analysis

 Michael R. Hill, PhD, PE, is a Biomechanical Engineer passionate about applying biomechanics techniques to solve diverse problems in forensics, medical research, engineering, biology, science, and mathematics. He is an expert in experimental, theoretical, and computational Tissue Biomechanics, with a focus on injury mechanisms, human tissue damage, and nonlinear soft tissue mechanics.

Dr. Hill’s core strengths are in orthopedic and cardiovascular biomechanics, vehicle accident reconstruction, injury consistency analysis, mechanical design, instrumentation,
experimental analysis, numerical methods, simulation, statistics, and image processing. Dr. Hill has lectured in the field of biomechanics and numerical methods, and his research has been published in 16 academic articles and presented at 40 international and national scientific conferences.

See Full Bio & CV.

Expertise:

Vehicle Accident Reconstruction Occupant Kinematics Orthopedic and Cardiovascular Biomechanics Human Tissue Damage Mechanics Slip, Trip, and Fall Analysis

Computational Mechanics  Experimental Biomechanics Image Analysis Computational Modeling Event Date Recorder (EDR) Data Retrieval and Analysis Automobile Restraint Analysis

View Quality Forensic Engineering Industrial Forensic Engineering Consulting Profile.

Dr. Kanellakopoulos is a Technology leader with 25+ years of experience in R&D, operations, administration, and management, in both academia and industry. He has authored or co-authored books, numerous articles in peer-reviewed technical journals and refereed technical conferences, and multiple standards contributions. He is also the co-inventor on more than 25 patents. He has been the plenary speaker at major technical conferences, and an invited speaker at more than 40 industrial and academic venues in 12 countries across 4 continents.

In his industrial career, he Designed and Built Telecom Products such as DSL and Carrier Ethernet hardware and software, and has significant experience with international telecommunication standards (ITU-T). He has also worked in wireless communications (3GPP, Wi-Fi), primarily on digital signal processing methods for baseband transceivers.

In his academic career, Dr. Kanellakopoulos conducted research on adaptive control of nonlinear systems, with applications to automotive control systems, specifically ADAS (adaptive cruise control, blind spot monitoring, lane keeping, vehicle collision avoidance) and active suspension. He directed a project on automation of heavy-duty vehicles as part of the California PATH Program; one of the most visible results of this research was the “Variable Time-Headway” algorithm for adaptive cruise control, which was demonstrated on a fully-automated heavy-duty (Class 8) 18-wheeler truck and has found widespread use in current adaptive cruise control systems. His UCLA team also designed and built a prototype full-size fully-automated electric vehicle that has been used for research purposes on multiple college campuses.

Dr. Kanellakopoulos has directed collaborative projects with several automotive/truck manufacturers and vendors (Ford, Mercedes-Benz, DaimlerChrysler, Freightliner, Gentex, Visteon).

He has consulted for clients such as technology companies (on intellectual property strategy and product development), private equity firms (on due diligence for investment), and law firms (on expert witness matters).

He is an IEEE Fellow and a recipient of multiple national and international awards.

View Dr. Kanellakopoulos's Expert Witness Profile.

James Parker has over 35 years of relevant industry experience specializing in Electronic Security Systems & Sensors, Electronics R&D and New Product Development. With executive and strategic leadership skills, Mr. Parker served as a principal product architect, is highly credible with customers, distributors, and suppliers. He is a prolific inventor having been granted over 24 unique patents with approximately 80 patent documents published worldwide. Mr. Parker is the Past Vice President of Engineering for Digital Security Controls Ltd. (DSC), a leading global manufacturer of electronic security systems and components with sales exceeding $400 million annually. He is currently the President at EE-Systems Group Inc. Canada (R&D) where he is responsible for overseeing new product and business development. 

Consulting Services - Mr. Parker's consulting services include identifying patent filing opportunities while avoiding infringement risks. He has in-depth knowledge of electronic product design in both Wired and Wireless Technologies and outstanding knowledge of Environmental and False Alarm Immunity. 

Mr. Parker also has expertise in the research, development, design, and manufacturing of electronic based products such as Security Systems, Burglar Alarm Systems, Intrusion Detection Systems, Occupancy Detection Systems, Fresnel and Mirror Optic PIR (Passive Infra-Red) Motion Detectors, Microwave Doppler Motion Detectors, Solar Powered, Motion Controlled, LED illumination Systems, and similar devices. 

View James Parker's Expert Witness Profile.

Creative Product Solutions, LLC provides engineering consulting services to the Consumer Goods Industry, including various Appliance and Product Manufacturers. Their services are available to clients with specific projects or intermittent support for the same client as needs arise.

Creative Product Solutions offers GD&T and dimensioning schemes which are functionally focused to relate component dimensions directly to product performance. This strategy has demonstrated improved product performance and reduced field service incident rate significantly.

Consulting Services

Product Design and Development Product Safety Testing Product Approval Testing Quality / Manufacturing Processes

Failure Analysis Root Cause Analysis Test Plans / Data Analytics Product Field Investigations Code Review

Robert C. Hoffman Jr, PE, CFEI, Principal at Creative Product Solutions, LLC, is a licensed Professional Engineer certified as a Fire and Explosion Investigator. With 30 years of experience, the primary focus of his knowledge is a deep understanding and application of all aspects of Product Safety for the Consumer Goods Industry.

Background Experience: For 27 years, Mr. Hoffman worked with the Whirlpool Corporation in various roles. He served the company as a Drum Sub-System Design/Development Engineer, a Laundry Product Approval Engineer, and Dryer Platform Structures Sub-System Leader and Engineer. His final position with the company before retirement was Principal Engineer, a position he served in for 8 years. 

Mr. Hoffman's primary areas of specialization are Heat / Combustion Containment strategies, and Electrical System Design strategies in expected customer abnormal use.  His involvement in field investigation evaluations and product liability support allow him to understand how products react in the field and produce both relevance safety tests and design solutions.

Qualifications:

• Registered Professional Engineer in the State of Michigan
• Certified Fire and Explosion Investigator (CFEI)
• Master Certified in Design for Safety
• Master Certified in Force Failure Testing
• Certified Statistical Blackbelt
• Member of the UL Standards Technical Panel for Appliance Codes related to Clothes Washers and Dryers

View Robert C. Hoffman's Expert Witness Profile.

Areas of Expertise: Chet  Sandberg, P.E. received a BS in Mechanical Engineering from MIT and a MS in Electrical Engineering from Stanford. He is a professional engineer in the state of California and an IEEE Fellow.

Background Experience - Litigation Support - Mr. Sandberg is an Expert Lithium Ion Battery  and Heat Transfer Expert with successful litigation in Lithium Ion Battery Failure.  He has court room experience, including testifying before the ITC in Washington DC. Mr. Sandberg is available to attorneys for both plaintiff and defendant. Mr. Sandberg joined the Chemelex Division of Raychem Corporation where he managed technology projects for 30 years. He held various positions at Raychem culminating as Chief Engineer.

For the next 6 years, Mr. Sandberg managed the development of a downhole, self-regulating electrical heater technology for Shell Oil. In 2009, he founded C L Sandberg & Associates, a consultancy specializing in Energy Projects, including managing customer engineering for Altairnano, a lithium ion battery manufacturer.

Mr. Sandberg has been associated with Electrical Energy Storage at EPRI, ESA, Sandia, and PNNL, as well as providing due diligence expertise for venture capital and private equity companies on their technical prospective investments. He has been granted 30 United States Patents and has authored over 70 technical papers on energy usage, electric heat tracing, ground fault technology, fiber optics, sensor technology, and personal computers as design tools. 

Novel Battery Technology Energy Storage Electrical Ground Fault Protection Powerline Carrier Technology Heat Transfer Backup Power Supply Oil Field Heating and Instrumentation Engineering Safety Requirements in Nuclear Power Generation

Hazardous Safety of Explosive Gases Process Control Software Instrumentation Hardware Fiber Optic Data Transmission Fiber Optic Sensors Nitinol Heat Tracing Economic Analysis of Energy Usage

Biernath Consulting, Inc., helps small companies assess how AI and other advanced sciences & technologies can help grow their business, then helps them create and implement inventive solutions to achieve that. 

Rolf Biernath, PhD in Chemical Engineering, has over 35 years in the Chemicals and Electronics Industries with a concentration on AI & advanced technology new product development. He developed new products and product lines at 3M for 31 years in senior technical roles.  His 57 issued US patents span a broad range of scientific and engineering disciplines. He has a strong drive to find the simplest and most effective solutions that meet customer needs and business objectives.  His broad technical background and his resourceful ability to learn new fields quickly make him an ideal partner to help turn product "hunches" into fully realized new products and services.  If it can be done, he'll find the way.  If not, he'll tell you why, and let you know what advances might enable it in the future.

Rolf also works with VC and Angel Investors to assess a startup's new technology odds of technical and business success.  He is known for his ability to break down complex technical problems and find the critical aspects that will make or break a new product.  This helps investors ensure that financial investments are used to target the highest risks first, thereby reducing the money and time wasted chasing after products that may likely never see the light of day.

Consultant Specialties:

New Product Innovation Manufacturing Innovation Generative AI Prompt Engineering Root Cause Identification Automation Chemical Engineering

Smart Devices IoT Devices IIoT Sensors Electromechanical Assemblies

Background Experience - Dr. Biernath has 57 Issued US Patents on New Products, including:

• Industrial Adhesives and Tapes – 3D printing materials development, automation, and tape application processes
• Electronic Displays – optical display films, outdoor digital displays, backlights, LED color mixing, e-Paper
• Electronic Materials – epoxy thermoset adhesives & application process (elastomeric epoxy), high speed electronic connectors
• Signage – retroreflective signage, license plate recognition, ADAS, Human Invisible, Machine-Readable Coding System
• IoT and IIoT – Automatic and predictive selection and replacement of controllers; novel low-cost oil-detection sensor
• Microreplication – microfluidics, textured adhesives and processes

View Dr. Rolf Biernath's Expert Witness Profile.

ANNA is a mechanical and electrical engineering firm dedicated to Gas, Coal-fired, Hydroelectric, and Nuclear Power Generation. ANNA has global relationships that augment their ability to solve any power generation problem, no matter how specialized or complex.

Services Include:

• Design and Construction
• Startup, Troubleshooting, Modifications, and Additions
• Forensic and Expert Witness Services

Principal, Ole E. Haaland, PE, has thirty four years experience in power production, design, construction, and commissioning, with 30+ years managing people and projects.

Mr. Haaland is a registered professional engineer in Maryland and held a Senior Reactor Operator’s license at Indian Point #3 Nuclear Power Plant. His experience is in conventional, nuclear, and alternate fuel power plant mechanical and electrical systems management, design, construction, plant outage management, start-up, performance testing, and operation.

Mr. Haaland has performed as aProject Manager, Construction Manager, and Commissioning Manager for several Greenfield power projects and other prime movers around the globe. He has successfully engineered, estimated, planned, executed work, and provided troubleshooting services on electrical switchgear, voltage regulators, plant control and automation systems, steam turbines, hydro turbines, diesel generators, steam generators, isolation valves, engine exhaust systems, heat recovery systems, condensate polishers, feed water heaters, main condensers, and moisture separators.

View Ole Haaland's Expert Witness Profile.