Method and system for coordinating a vehicle stability control system with a suspension damper control sub-system
First Claim
1. A method for coordinating a vehicle stability control system of a vehicle with a suspension damper control sub-system that is in electrical communication with the vehicle stability control system, the vehicle having a plurality of dampers, each of the dampers controlled directly by the suspension damper control sub-system, the method comprising:
- generating vehicle damper commands for each of the dampers, the vehicle damper commands being generated by the vehicle stability control system for controlling vehicle stability, said vehicle damper commands being received by the suspension damper control sub-system;
generating sub-system damper commands for each of the dampers, the sub-system damper commands being separately generated by the suspension damper control sub-system for controlling vehicle suspension;
determining if any of the vehicle damper commands for any one of the dampers has authority over the corresponding sub-system damper command, which further comprises determining if any one of the dampers is traveling in a direction deemed critical for vehicle yaw control;
determining a modified sub-system damper command for each of the dampers in which the corresponding vehicle damper command has authority, the modified sub-system damper command being determined based on the vehicle damper command and the sub-system damper command; and
controlling each of the plurality of dampers based on;
(i) the corresponding sub-system damper command, when the corresponding vehicle damper command has been determined not to have authority over the corresponding sub-system damper command, and (ii) the corresponding modified sub-system damper command, when the corresponding vehicle damper command has been determined to have authority over the corresponding sub-system damper command.
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Accused Products
Abstract
A method and system for coordinating a vehicle stability control system with a suspension damper control sub-system includes a plurality of dampers, each of which are controlled directly by the suspension damper control sub-system. A plurality of sensors sense a plurality of vehicle parameters. A supervisory controller generates vehicle damper commands based on the plurality of vehicle parameters for each of the dampers. A damper controller in electrical communication with the supervisory controller receives the vehicle damper commands and generates sub-system damper commands based on a portion of the plurality of vehicle parameters for each of the dampers. The damper controller also determines if any of the vehicle damper commands for any one of the dampers has authority over the corresponding sub-system damper command. The damper controller then determines a modified sub-system damper command for each of the dampers in which the corresponding vehicle damper command has authority, wherein the modified sub-system damper command is based on the vehicle damper command and the sub-system damper command.
40 Citations
7 Claims
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1. A method for coordinating a vehicle stability control system of a vehicle with a suspension damper control sub-system that is in electrical communication with the vehicle stability control system, the vehicle having a plurality of dampers, each of the dampers controlled directly by the suspension damper control sub-system, the method comprising:
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generating vehicle damper commands for each of the dampers, the vehicle damper commands being generated by the vehicle stability control system for controlling vehicle stability, said vehicle damper commands being received by the suspension damper control sub-system; generating sub-system damper commands for each of the dampers, the sub-system damper commands being separately generated by the suspension damper control sub-system for controlling vehicle suspension; determining if any of the vehicle damper commands for any one of the dampers has authority over the corresponding sub-system damper command, which further comprises determining if any one of the dampers is traveling in a direction deemed critical for vehicle yaw control; determining a modified sub-system damper command for each of the dampers in which the corresponding vehicle damper command has authority, the modified sub-system damper command being determined based on the vehicle damper command and the sub-system damper command; and controlling each of the plurality of dampers based on;
(i) the corresponding sub-system damper command, when the corresponding vehicle damper command has been determined not to have authority over the corresponding sub-system damper command, and (ii) the corresponding modified sub-system damper command, when the corresponding vehicle damper command has been determined to have authority over the corresponding sub-system damper command. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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Specification