Control apparatus for support unit of vehicle
First Claim
1. A control apparatus for a support unit of a vehicle for controlling characteristics of said support unit for supporting a body of a vehicle, comprising:
- detecting means for detecting a physical quantity which affects characteristics of said support unit and a state quantity which shows movement of said body or said support unit;
calculating means for calculating a similarity corresponding to said physical quantity and state quantity using fuzzy logic, and calculating request indexes of comfort to ride and operation stability from said calculated similarity;
judging means for judging the characteristics of said support unit by composing said request indexes to obtain the center of gravity of said request indexes; and
adjusting means for adjusting the characteristics of said support unit in response to an output of said judging means.
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Abstract
A control apparatus for support unit of vehicle, wherein a physical quantity which affects characteristics of a support unit for supporting a vehicle body such as a suspension or stabilizer and a state quantity which shows movement of the body or support unit are detected. The similarity corresponding to the detected physical quantity and state quantity is calculated using fuzzy logic, request indexes of comfort to ride and operation stability are calculated from the similarity. The request indexes are composed to obtain the center of gravity, so as to judge the most optimum characteristics of the support unit. This control apparatus automatically substantially analoguely judges whether either of the comfort to ride or the operation stability should be prioritized.
37 Citations
17 Claims
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1. A control apparatus for a support unit of a vehicle for controlling characteristics of said support unit for supporting a body of a vehicle, comprising:
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detecting means for detecting a physical quantity which affects characteristics of said support unit and a state quantity which shows movement of said body or said support unit; calculating means for calculating a similarity corresponding to said physical quantity and state quantity using fuzzy logic, and calculating request indexes of comfort to ride and operation stability from said calculated similarity; judging means for judging the characteristics of said support unit by composing said request indexes to obtain the center of gravity of said request indexes; and adjusting means for adjusting the characteristics of said support unit in response to an output of said judging means. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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Specification