Robust predictive control device and control method for electric vehicle networked control system
A networked control, electric vehicle technology, applied in general control systems, control/regulation systems, adaptive control, etc., can solve the problem of reduced controller stability, inability to fully compensate for the adverse effects of network delays, and lack of constraints, etc. problems to achieve the effect of improving real-time performance, ensuring stability, and enhancing robustness
Active Publication Date: 2021-04-27
BEIJING INSTITUTE OF TECHNOLOGYGY
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Problems solved by technology
Existing control methods, such as the robust gain scheduling control method, do not have the ability to explicitly deal with the constraints in the control problem, and cannot fully compensate for the adverse effects of network delay on control performance, resulting in a decrease in the stability of the controller. limitation
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[0035] The technical solution of the present invention will be further described in detail below in conjunction with the accompanying drawings, but the protection scope of the present invention is not limited to the following description.
[0036] The present invention proposes a robust predictive control device for an electric vehicle networked control system, which not only has the ability to explicitly process constraint conditions, but also improves the real-time performance of a vehicle control device characterized by low delay, thereby fully suppressing network delay. detrimental effect on control performance. Applying it to the networked power chain control system will definitely improve the control performance of the power chain control system under network hysteresis.
[0037] Such as image 3 As shown, taking the electric vehicle networked power chain control as an example, the application of the robust predictive control device for the electric vehicle networked co...
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The invention belongs to the field of electric vehicle networked control technology and system, in particular to a robust predictive control device and a control method for the electric vehicle networked control system. The device includes an input module, a decision module, and an output module, and the three work together to realize high-performance predictive control of the networked system of electric vehicles. As a control device for a networked control system of an electric vehicle, the present invention can fully compensate for the adverse effects of network time lag on system control performance, improve the real-time performance of a vehicle predictive control device characterized by low delay, and enhance the networked control of electric vehicles System robustness ensures vehicle control stability, and provides technical support for designing high-performance vehicle controllers and improving vehicle operation safety.
Description
technical field [0001] The invention belongs to the field of electric vehicle networked control technology and system, in particular to a robust predictive control device and a control method for the electric vehicle networked control system. Background technique [0002] In recent years, thanks to the rapid development of in-vehicle network technology, the networked control system of electric vehicles has overcome the shortcomings of traditional mechanical hydraulic structures such as large volume, slow response, and difficult layout, and has improved the structural integration and control response speed of the control system. However, the use of in-vehicle networks will inevitably introduce signal transmission delays, which will directly affect the stability of the vehicle control system, thereby affecting the safety of vehicle operation, and become a new challenge for the development of networked control technology for electric vehicles. Existing networked control methods...
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IPC IPC(8): G05B13/04G06F30/15G06F30/20G06F111/04
CPCG05B13/042G06F30/15G06F30/20G06F2111/04
Inventor 曹万科王乐成李建威何洪文
Owner BEIJING INSTITUTE OF TECHNOLOGYGY