INTEGRATED VEHICLE CONTROL SYSTEM USING DYNAMICALLY DETERMINED VEHICLE CONDITIONS
First Claim
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1. A method of controlling a system in a vehicle comprising:
- generating a pitch rate signal;
generating a lateral acceleration signal;
generating a longitudinal acceleration signal;
generating a yaw rate signal;
generating a roll rate signal;
determining a first global roll angle and a first global pitch angle in response to the roll rate signal, the lateral acceleration signal, the longitudinal acceleration signal and the yaw rate signal;
determining a second global roll angle and a second global pitch angle in response to the pitch rate signal, the lateral acceleration signal, the longitudinal acceleration signal and the yaw rate signal;
combining the first global roll angle and the second global roll angle to form a final global roll angle;
combining the first global pitch angle and the second global pitch angle to form a final global pitch angle; and
controlling the system in response to the final global roll angle and the final global pitch angle.
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Abstract
A vehicle includes a control system that is used to control a vehicle system. The control system determines a roll condition in response to a yaw rate sensor and a pitch rate sensor without having to use a roll rate sensor. A relative roll angle, relative pitch angle, global roll angle, and global pitch angle may also be determined. A safety system may be controlled in response to the roll condition, roll angle, or the pitch angles individually or in combination.
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Citations
23 Claims
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1. A method of controlling a system in a vehicle comprising:
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generating a pitch rate signal; generating a lateral acceleration signal; generating a longitudinal acceleration signal; generating a yaw rate signal; generating a roll rate signal; determining a first global roll angle and a first global pitch angle in response to the roll rate signal, the lateral acceleration signal, the longitudinal acceleration signal and the yaw rate signal; determining a second global roll angle and a second global pitch angle in response to the pitch rate signal, the lateral acceleration signal, the longitudinal acceleration signal and the yaw rate signal; combining the first global roll angle and the second global roll angle to form a final global roll angle; combining the first global pitch angle and the second global pitch angle to form a final global pitch angle; and controlling the system in response to the final global roll angle and the final global pitch angle. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A method of controlling a vehicle system comprising:
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determining a vehicle global roll angle from a roll rate signal and a pitch rate signal; determining a vehicle global pitch angle from a roll rate signal and a pitch rate signal; controlling the system in response to the vehicle global roll angle and the vehicle global pitch angle. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23)
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Specification