ADI & ZF Collaborate on Intelligent Seat Belt Retractors
ADI & ZF collaborate to demonstrate how ADI’s unique Multiturn technology can track seat belt webbing extension or retraction motion even when power is removed and provide accurate occupant classification and position information. The ADMT4000 from ADI is the world's first single chip multiturn position sensor and has the ability to precisely track multiturn motion without any electrical power or contact and has an absolute measurement range of 46 turns and is accurate to +/-0.25 Deg over the full range. The sensor is simply placed opposite a di-pole magnet rotating on the end of the seat belt retractor spool shaft and tracking the webbing motion. As the Occupant enters the vehicle and puts on the seat belt, the webbing is typically extended prior to turning on the ignition. The ADMT4000 has the ability to track the seat belt webbing motion prior to key-On and provide accurate webbing extension information on key-on and also continuously monitor the webbing motion and provide ongoing Occupant dynamic position information. This position information can then be utilized towards determining the vehicles appropriate airbag deployment strategy.
ADI & ZF Collaborate on Intelligent Seat Belt Retractors
ADI & ZF collaborate to demonstrate how ADI’s unique Multiturn technology can track seat belt webbing extension or retraction motion even when power is removed and provide accurate occupant classification and position information. The ADMT4000 from ADI is the world's first single chip multiturn position sensor and has the ability to precisely track multiturn motion without any electrical power or contact and has an absolute measurement range of 46 turns and is accurate to +/-0.25 Deg over the full range. The sensor is simply placed opposite a di-pole magnet rotating on the end of the seat belt retractor spool shaft and tracking the webbing motion. As the Occupant enters the vehicle and puts on the seat belt, the webbing is typically extended prior to turning on the ignition. The ADMT4000 has the ability to track the seat belt webbing motion prior to key-On and provide accurate webbing extension information on key-on and also continuously monitor the webbing motion and provide ongoing Occupant dynamic position information. This position information can then be utilized towards determining the vehicles appropriate airbag deployment strategy.
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