VEHICLE CONTROL SYSTEM AND METHOD
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United States of America Patent
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Issued Date -
Dec 14, 2023
app pub date -
Oct 18, 2022
filing date -
Jun 8, 2022
priority date (Note) -
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status (Latency Note)
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Abstract
A vehicle control system includes a controller to receive a current commanded speed, determine a current moving speed, and calculate a reference shaped speed to operate a propulsion system and/or a brake system to cause the current moving speed to approach the current commanded speed. The reference speed is based on a reference shaping model that changes the reference speed based on relative values of the current commanded speed, a previous commanded speed, the current moving speed, and a previous reference shaped speed. The controller controls the propulsion system and/or the brake system to cause the vehicle system to move at the calculated reference shaped speed. A method includes receiving a current commanded speed, determining a current moving speed, calculating a reference shaped speed, and controlling the one or more of the propulsion system or the brake system to cause the vehicle system to move at the reference shaped speed.
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