Smart trailer controller
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United States of America Patent
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Jun 21, 2022
Grant Date -
Jul 18, 2019
app pub date -
Jan 18, 2019
filing date -
Jan 18, 2018
priority date (Note) -
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Abstract
A vehicle system includes a head vehicle and a tail vehicle that is towed by the head vehicle. Together the head vehicle and tail vehicle have a control subsystem for controlling among other things braking of the tail vehicle. The control subsystem includes a head unit in the head vehicle and a tail unit in the tail vehicle. The head unit further includes a head Inertial Measurement Unit (“IMU”) for measuring orientation and acceleration of the head vehicle, and the tail unit includes a tail IMU for measuring orientation and acceleration of the tail vehicle. With the IMUs, the control subsystem is able to determine relative pitch and orientation of the head vehicle and tail vehicle to control braking and reduce the risk of jackknifing. The tail unit further has wheel speed sensors and a Tire-Pressure Monitoring System (“TPMS”) for sensing wheel speed.
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