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Crash-Sensing and Restraint Control - Functions and Applications


Sensors are the organs of perception of vehicle safety: Recognizing accident risks in split of seconds, they control accident mitigation systems and occupant protection systems accurately, reliably and effectively. Mechanical Electrical Micro Systems (MEMS) such as micro-oscillators or gyros on the scale of micrometers sense even the most subtle movements and shocks and will stabilize the car, prevent vehicle roll and activate the occupant protection systems such as seat belt pre-tensioners, airbags and other protection devices according to crash type and severity. Predictive surround sensors such as radar, LiDAR, cameras and ultrasonic detect accident risks at an early stage and do not only mitigate accidents by automatic emergency braking or evasive maneuvers, but also optimize the effectiveness of occupant protection systems. Since the introduction of seat belt pre-tensioners and driver airbag in the early eighties, the requirements to crash sensors and restraint control have been increased continuously: Starting with single point sensing with focus on frontal crashes with full barrier overlap to trigger driver airbags and seat belt pre-tensioners, all real accident types and severities must be discriminated today utilizing up to a dozen peripheral crash satellites in order to control appropriately up to two dozens of occupant protection devices. New crash tests such as the lateral pole impact or the frontal small overlap crash mandated by regulations and consumer ratings, have permanently tightened the requirements to crash sensing and smart restraint control. Above and beyond, utilizing the predictive sensors of accident avoidance and advanced driver assistance systems (ADAS), occupant protection can be increase significantly: protection devices can be pre-triggered while a crash is imminent, and new protection measures are possible. Last but not least, the occupant protection can be adapted and tailored to the occupant size, weight and position (out-of-position) which will be particularly important in autonomous cars with new vehicle interior variances. (Predictive-) crash sensors, restraint (pre-) triggering crash algorithms and (pre-crash) occupant protection systems are discussed for the following accident scenarios: Frontal- and rear-end collisions, side impact, vehicle rollover, accidents with pedestrians and cyclists. From scratch, the seminar explains simply and understandably the physical principles of sensors and measuring systems, their properties and application specific benefits and drawbacks, including the restraint triggering algorithms. A specific focus of the seminar is on future safety systems and technologies, such as artificial intelligence / neural networks, and new occupant protection systems in autonomous cars.

Who should attend?

The seminar addresses all engineers, technicians and experts working in the development, application and research of vehicle safety, both at automotive manufacturers and tier 1 / 2 / 3 suppliers, system engineers, project engineers and project leaders in particular. Basically, all experts somehow dealing with vehicle safety and being interested in current and future sensor and actuator technologies in passive and active safety are very welcome.

Course Contents

  • Sensors for frontal-, rear and side impacts, roll-over, collisions with pedestrians & cyclists, occupant recognition & monitoring
  • Predictive (surround) sensors (radar, LiDAR, cameras, ultrasonic)
  • Intelligent restraint control and triggering, artificial intelligence and neural networks
  • Structure and function of sensors and electronic control units, system-architectures
  • Current and future occupant protection systems, integrated safety

Dr. rer. nat. Lothar Groesch
Groesch Automotive Safety Consulting

Groesch Dr. Lothar Groesch has been working in safety engineering for more than 40 years, both at one of the leading OEMs in Passive & Active Safety, and with a major supplier in pioneering new automotive safety sensors & systems. From 2000 to 2009, he worked in the United States as a Product Director for Automotive Safety Systems, thus he is particularly familiar with U.S. specific requirements. Although he only joined the carhs team quite recently, he has a long experience in guest teaching at several universities in the U.S. & Germany, as well as in company internal training seminars, technical marketing, customer presentations & workshops. In 2009 Dr. Grösch has founded Groesch Automotive Safety Consulting and is primarily working in driver assist and accident avoidance systems.

no dates available

This course is available as an in-house seminar. The trainer comes to your site - you save travel expenses and travel time. Get an offer.

Your contact person

Dr. Dirk Ulrich
Phone.: 06023 - 96 40 - 66

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All prices are exclusive of VAT.