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Comparison of Crash Pulse Models for Vehicle Responses in Low-Speed, Front-to-Rear Crashes

Cummings Scientific LLC-Beau Biller
FAMU-FSU College Of Engineering-Orion Yeung, Michael Small, Caroline Walker, Shayne McConomy
  • Technical Paper
  • 2020-01-0644
To be published on 2020-04-14 by SAE International in United States
The objective of this paper is to show that the haversine model is a more accurate model for a low speed rear collision reconstruction where the velocity change (delta-v) after impact is slower than 7 mph. Whiplash accounts for a substantial number of insurance claims which results in billions of dollars in insurance payout. While challenging to precisely define a medical diagnosis of whiplash, many cases [legally] rely on mathematical models created by certified Accident Reconstructionists. Typically, low speed models use extrapolated results from high speed crash events. The concern is that this extrapolation affects the assessment of safety concerns and discussions of prevention methods. While high speed models have been thoroughly studied, their low speed counterparts have not received the same attention. At delta-v slower than 7 mph, standard bumpers in the United States are designed to preserve shape rather than permanently deform. Without deformation, as seen in higher speed cases, the struck vehicle’s bumper absorbs less of the moving vehicle’s momentum and the driver experiences greater impact forces. This research collected data through…

Implantable Cancer Traps Could Provide Earlier Diagnosis, Help Monitor Treatment

  • Magazine Article
  • TBMG-35628
Published 2019-12-01 by Tech Briefs Media Group in United States

Invasive procedures to biopsy tissue from cancer-tainted organs could be replaced by simply taking samples from a tiny “decoy” implanted just beneath the skin, University of Michigan researchers have demonstrated in mice.

Prototype Smartphone App Can Help Parents Detect Early Signs of Eye Disorders in Children

  • Magazine Article
  • TBMG-35622
Published 2019-12-01 by Tech Briefs Media Group in United States

A Baylor University researcher’s prototype smartphone app — designed to help parents detect early signs of various eye diseases in their children such as retinoblastoma, an aggressive pediatric eye cancer — has passed its first big test.

Miniaturizing Medical Imaging, Sensing Technology

  • Magazine Article
  • TBMG-35501
Published 2019-11-01 by Tech Briefs Media Group in United States

Scientists have used a microchip to map the back of the eye for disease diagnosis. This is the first time that technical obstacles have been overcome to fabricate a miniature device able to capture high-quality images.

Microfluidics Device Helps Diagnose Sepsis

  • Magazine Article
  • TBMG-35345
Published 2019-10-01 by Tech Briefs Media Group in United States

A novel sensor could dramatically accelerate the process of diagnosing sepsis, a leading cause of death in U.S. hospitals that kills nearly 250,000 patients annually. To diagnose sepsis, doctors traditionally rely on various diagnostic tools, including vital signs, blood tests, and other imaging and lab tests.

Smart Brain Stimulators: Next-Generation Parkinson's Disease Therapy

  • Magazine Article
  • TBMG-35341
Published 2019-10-01 by Tech Briefs Media Group in United States

Researchers at the University of Houston have found neuro biomarkers for Parkinson's disease that can help create the next generation of “smart” deep brain stimulators, able to respond to specific needs of Parkinson's disease patients. Those with the disease often undergo the high-frequency brain stimulation, a well-established therapy for the progressive nervous system disorder that affects movement, but the therapy has been imprecise.

Probe Detects Kidney Failure Early

  • Magazine Article
  • TBMG-35086
Published 2019-09-01 by Tech Briefs Media Group in United States

Researchers have developed a type of imaging probe that allows for earlier detection of acute kidney failure, a rapidly developing condition that can be fatal. The new renal probes, which have been tested in mice, are injected into the bloodstream. They light up when they detect molecular changes caused by the onset of acute kidney failure.

3D Printed Pill Samples Gut Microbiome to Aid Diagnosis and Treatment

  • Magazine Article
  • TBMG-35088
Published 2019-09-01 by Tech Briefs Media Group in United States

A research team led by Tufts University engineers has developed a 3D printed pill that samples bacteria found in the gut — known as the microbiome — as it passes through the gastrointestinal tract (GI). The ability to profile bacterial species inhabiting the gut could have important implications for the diagnosis and treatment of conditions that are affected by the microbiome, according to the researchers.

Improving Afib Detection after Stroke

  • Magazine Article
  • TBMG-35091
Published 2019-09-01 by Tech Briefs Media Group in United States

A new method of evaluating irregular heartbeats outperformed the approach that’s currently used widely in stroke units to detect instances of atrial fibrillation (Afib). The technology, called electrocardiomatrix, goes further than standard cardiac telemetry by examining large amounts of telemetry data in a way that’s so detailed it’s impractical for individual clinicians to attempt.

5Ws of the Ear Infection Smartphone App

  • Magazine Article
  • TBMG-35158
Published 2019-09-01 by Tech Briefs Media Group in United States

Ear infections are the most common reason that parents bring their children to a pediatrician, according to the National Institutes of Health.