| 摘要 |
A vehicle <?delete-start id="DEL-S-00001" date="20080226" ?>seat belt tension prediction<?delete-end id="DEL-S-00001" ?> <?insert-start id="INS-S-00001" date="20080226" ?>restraint actuator control <?insert-end id="INS-S-00001" ?>system <?delete-start id="DEL-S-00002" date="20080226" ?>and method<?delete-end id="DEL-S-00002" ?> comprises an accelerometer <?delete-start id="DEL-S-00003" date="20080226" ?>having an output<?delete-end id="DEL-S-00003" ?> <?insert-start id="INS-S-00002" date="20080226" ?>that generates a <?insert-end id="INS-S-00002" ?>signal responsive to vertical acceleration of the vehicle, a <?delete-start id="DEL-S-00004" date="20080226" ?>seat weight<?delete-end id="DEL-S-00004" ?> <?insert-start id="INS-S-00003" date="20080226" ?>force responsive <?insert-end id="INS-S-00003" ?>sensor <?delete-start id="DEL-S-00005" date="20080226" ?>having an output<?delete-end id="DEL-S-00005" ?> <?insert-start id="INS-S-00004" date="20080226" ?>that generates a <?insert-end id="INS-S-00004" ?>signal responsive to the force exerted by a mass resting on the seat, and a processor <?delete-start id="DEL-S-00006" date="20080226" ?>means<?delete-end id="DEL-S-00006" ?> <?insert-start id="INS-S-00005" date="20080226" ?>operatively coupled to the accelerometer and the force responsive sensor <?insert-end id="INS-S-00005" ?>for <?delete-start id="DEL-S-00007" date="20080226" ?>calculating seat belt tension<?delete-end id="DEL-S-00007" ?> <?insert-start id="INS-S-00006" date="20080226" ?>controlling the actuation of a restraint actuator responsive thereto<?insert-end id="INS-S-00006" ?>. <?delete-start id="DEL-S-00008" date="20080226" ?>The processor is provided with a plurality of inputs operatively coupled to the accelerometer output and seat weight sensor output. Suitable programming is provided to instruct<?delete-end id="DEL-S-00008" ?> <?insert-start id="INS-S-00007" date="20080226" ?>In one embodiment, <?insert-end id="INS-S-00007" ?>the processor <?delete-start id="DEL-S-00009" date="20080226" ?>to<?delete-end id="DEL-S-00009" ?> calculate<?insert-start id="INS-S-00008" date="20080226" ?>s <?insert-end id="INS-S-00008" ?>the average mass <?delete-start id="DEL-S-00010" date="20080226" ?>resting<?delete-end id="DEL-S-00010" ?> on the vehicle seat and predict<?delete-start id="DEL-S-00011" date="20080226" ?>the<?delete-end id="DEL-S-00011" ?> <?insert-start id="INS-S-00009" date="20080226" ?>s a <?insert-end id="INS-S-00009" ?>force <?delete-start id="DEL-S-00012" date="20080226" ?>that should be<?delete-end id="DEL-S-00012" ?> exerted on the seat <?delete-start id="DEL-S-00013" date="20080226" ?>for<?delete-end id="DEL-S-00013" ?> <?insert-start id="INS-S-00010" date="20080226" ?>corresponding to <?insert-end id="INS-S-00010" ?>a measured level of vertical acceleration assuming zero belt tension. The processor then <?delete-start id="DEL-S-00014" date="20080226" ?>compares the<?delete-end id="DEL-S-00014" ?> <?insert-start id="INS-S-00011" date="20080226" ?>controls the actuation of the restraint actuator responsive to a comparison of an <?insert-end id="INS-S-00011" ?>actual force measured by the <?delete-start id="DEL-S-00015" date="20080226" ?>seat weight<?delete-end id="DEL-S-00015" ?> <?insert-start id="INS-S-00012" date="20080226" ?>force responsive <?insert-end id="INS-S-00012" ?>sensor with the predicted force <?delete-start id="DEL-S-00016" date="20080226" ?>to determine seat belt tension thereby obviating the necessity of complex hardware in physical contact with the seat belt system<?delete-end id="DEL-S-00016" ?> . <?insert-start id="INS-S-00013" date="20080226" ?>In another embodiment, the processor controls the actuation of the restraint actuator responsive to a ratio of a measure of seat weight divided by a measure of vertical acceleration and by the average mass.<?insert-end id="INS-S-00013" ?>
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