Adaptive neural networks control for camera stabilization with active suspension system
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ID: 69770
2015
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Abstract
The camera always suffers from image instability on the moving vehicle due to unintentional vibrations caused by road roughness. This article presents an adaptive neural network approach mixed with linear quadratic regulator control for a quarter-car active suspension system to stabilize the image captured area of the camera. An active suspension system provides extra force through the actuator which allows it to suppress vertical vibration of sprung mass. First, to deal with the road disturbance and the system uncertainties, radial basis function neural network is proposed to construct the map between the state error and the compensation component, which can correct the optimal state-feedback control law. The weights matrix of radial basis function neural network is adaptively tuned online. Then, the closed-loop stability and asymptotic convergence performance is guaranteed by Lyapunov analysis. Finally, the simulation results demonstrate that the proposed controller effectively suppresses the vibration of the camera and enhances the stabilization of the entire camera, where different excitations are considered to validate the system performance.
| Reference Key |
zhao2015adaptiveadvances
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| Authors | Zhao, Feng;Dong, Mingming;Qin, Yechen;Gu, Liang;Guan, Jifu; |
| Journal | advances in mechanical engineering |
| Year | 2015 |
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