Fault-tolerant vehicle stability control
First Claim
1. A fault tolerant vehicle dynamics control system for a motor vehicle comprising:
- vehicle dynamics control actuators;
a fault tolerance module configured to;
receive an indication of a fault in at least one of the vehicle dynamics control actuators; and
determine which of a plurality of predefined algorithms is mapped to the indicated fault, each of the plurality of predefined algorithms defining a respective fault compensation mode; and
an extended vehicle dynamics control that executes the determined predefined algorithm to maintain the stability of the motor vehicle in light of the received fault indication by controlling remaining operable actuators to compensate for the at least one fault.
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Abstract
A system and method for providing a fault tolerant vehicle dynamics control (VDC) is described. The system includes a fault tolerance module that receives an indication of a fault in at least one of the actuators of the VDC and selects a fault compensation mode to maintain the stability of the motor vehicle in light of the received fault indication. The fault tolerance module proceeds by diagnosing at least one fault in at least one of the actuators, selecting a fault compensation mode based on the detected at least one fault and the driving condition, and compensating for the at least one fault by optimally controlling remaining operable actuators according to the fault compensation mode.
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Citations
11 Claims
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1. A fault tolerant vehicle dynamics control system for a motor vehicle comprising:
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vehicle dynamics control actuators; a fault tolerance module configured to; receive an indication of a fault in at least one of the vehicle dynamics control actuators; and determine which of a plurality of predefined algorithms is mapped to the indicated fault, each of the plurality of predefined algorithms defining a respective fault compensation mode; and an extended vehicle dynamics control that executes the determined predefined algorithm to maintain the stability of the motor vehicle in light of the received fault indication by controlling remaining operable actuators to compensate for the at least one fault. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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Specification