LQR Controller for Active Car Suspension
The suspension system is classified as a passive, semi-active, and active suspension, according to its ability to add or extract energy. An automotive active suspension control has been one of the favourite subject in the automotive research area. The advantages of an automotive active suspension sy...
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| Main Author: | |
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| Format: | Conference or Workshop Item |
| Language: | English |
| Published: |
2000
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| Subjects: | |
| Online Access: | http://eprints.utem.edu.my/id/eprint/8902/1/P4.pdf http://eprints.utem.edu.my/id/eprint/8902/ |
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| Summary: | The suspension system is classified as a passive, semi-active, and active suspension, according to its ability to add or extract energy. An automotive active suspension control has been one of the favourite subject in the automotive research area. The advantages of an automotive active suspension system have been promised for many years. The objectives of control scheme are to improve the ride quality and handling performance within a given suspension stroke limitation. The ride quality is measured by the vertical acceleration of the vehicle body called sprung mass. The handling performance is determined by the tyre deflection, which is the difference of position between the wheel and the road surface input.
This paper will analyse the aspects of passive and active suspensions and focus on the ride quality improvement. The LQR control scheme is selected to control an actuator in active suspension. The result shows that the ride quality can be improved using an active suspension. |
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