Electric vehicle networked control system robust predictive control device and control method thereof

A technology of networked control and electric vehicles, applied in general control systems, control/regulation systems, adaptive control, etc., can solve the problems of inability to fully compensate for the adverse effects of network delay, reduced controller stability, and lack of constraints, etc. problems, to ensure stability, improve real-time performance, and enhance robustness

Active Publication Date: 2021-03-02
BEIJING INSTITUTE OF TECHNOLOGYGY
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  • Claims
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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

Method used

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  • Electric vehicle networked control system robust predictive control device and control method thereof
  • Electric vehicle networked control system robust predictive control device and control method thereof
  • Electric vehicle networked control system robust predictive control device and control method thereof

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Embodiment Construction

[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 the vehicle control device with low delay as the main feature, thereby fully suppressing the 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 vehicl...

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Abstract

The invention belongs to the field of electric vehicle networked control technologies and systems, and particularly relates to an electric vehicle networked control system robust predictive control device and a control method thereof. The device comprises an input module, a decision-making module and an output module which work cooperatively, and high-performance prediction control of an electricvehicle networked system can be achieved. The electric vehicle networked control system control device can fully compensate adverse effects of network time lag on system control performance, improvesreal-time performance of a vehicle prediction control device with low time delay as a main characteristic, enhances robustness of an electric vehicle networked control system, ensures vehicle controlstability, and technical method support is provided for designing a high-performance vehicle controller 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...

Claims

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Application Information

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Patent Type & Authority Applications(China)
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
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