Automobile ASS and EPS integrated system neural network inversion controller and construction method thereof

A neural network inverse and integrated system technology, applied in the field of vehicle engineering equipment, can solve problems such as poor control effects, achieve the effects of improving driving safety, simple implementation, and improving generalization capabilities

Active Publication Date: 2014-09-17
JIANGSU UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, this method needs to establish an accurate mathematical model of the integrated system of ASS and EPS. Since it is difficult to obtain an accurate mathematical model of the system, the control effect of this control method is not good.

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  • Automobile ASS and EPS integrated system neural network inversion controller and construction method thereof
  • Automobile ASS and EPS integrated system neural network inversion controller and construction method thereof
  • Automobile ASS and EPS integrated system neural network inversion controller and construction method thereof

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Embodiment Construction

[0019] The specific embodiments of the present invention will be further described below in conjunction with the accompanying drawings.

[0020] Such as figure 1 with Figure 5 As shown, the automotive ASS and EPS integrated system neural network inverse controller of the present invention includes neural network inverse 4 and linear closed loop regulator 6. The neural network inverse 4 and linear closed loop regulator 6 are connected in series to form the automotive ASS and EPS integrated system neural The network inverse controller 7, in which the neural network inverse 4 is composed of a static neural network 41 plus 5 integrators, and the linear closed-loop regulator 6 includes a vertical acceleration regulator 64, a roll angle regulator 62, a suspension disturbance regulator 63, The vehicle yaw rate adjuster 64 and the center of mass offset angle adjuster 65, the linear closed loop adjuster 6 performs closed loop control on the pseudo linear system 5; the pseudo linear system...

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Abstract

The invention discloses an automobile ASS and EPS integrated system neural network inversion controller and a construction method thereof. An ASS and an EPS serve as a whole to constitute an entire automobile nonlinear system, neural network inversion is placed in front of the entire automobile nonlinear system, the neural network inversion and the entire automobile nonlinear system are connected in series to be compounded into a pseudo-linear system, on this basis, a linear closed loop regulator is designed for the pseudo-linear system, and the neural network inversion and the linear closed loop regulator are connected in series to constitute the automobile ASS and EPS integrated system neural network inversion controller. By the adoption of the controller, non-linear decoupling control over the automobile acceleration, the side tilting angle, the suspension dynamic deflection, the entire automobile yaw velocity and the centroid offset angle of an automobile can be achieved, and the control performance of an automobile ASS and EPS integrated system can be improved obviously.

Description

Technical field [0001] The invention belongs to the technical field of vehicle engineering equipment, and relates to a neural network inverse-based automotive ASS and EPS integrated system controller and a control method thereof, and is suitable for high-performance integrated control of a non-linear system of an entire vehicle. Background technique [0002] With the continuous development of science and technology, people have higher and higher performance requirements for car handling, ride comfort, comfort and driving safety. Active suspension system (ASS) can effectively reduce the excessive acceleration of the vehicle caused by the irregular excitation of the road surface under various working conditions, thereby improving driving comfort, improving the steering stability and smoothness of the vehicle. It has become one of the research hotspots of scholars at home and abroad. Electric power steering system (EPS) is a new type of steering system. The number of parts required...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B13/04
Inventor 陈龙孙晓东黄晨江浩斌汪少华殷春芳李可
Owner JIANGSU UNIV
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