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Networked control system and scheduling method for multi-axis distributed drive electric vehicles

A technology of networked control and electric vehicles, which is applied in the field of networked control systems and dispatching of multi-axis distributed drive electric vehicles, can solve the problems of large random delays and confusion in information transmission, and achieve improved power performance and safety, and improved The effect of real-time and guaranteed synchronization

Active Publication Date: 2020-03-31
BEIJING INSTITUTE OF TECHNOLOGYGY
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Problems solved by technology

[0004] The purpose of the present invention is to overcome the deficiencies of the prior art, provide a networked control system and scheduling method for multi-axis distributed drive electric vehicles, and effectively solve the problems of CAN bus-induced large random delay in information transmission, poor synchronization and timing disorder , improve the real-time performance and synchronization of multi-wheel cooperative drive control and ensure correct timing, and provide technical support for ensuring the power and safety of multi-axis distributed drive vehicles

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  • Networked control system and scheduling method for multi-axis distributed drive electric vehicles
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  • Networked control system and scheduling method for multi-axis distributed drive electric vehicles

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Embodiment Construction

[0025] 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.

[0026] Such as figure 1 As shown, the networked control system of a multi-axis distributed drive electric vehicle includes a vehicle controller, a plurality of drive motor controllers, and a plurality of sensor nodes (such as each wheel speed sensor node included in each MCU, included in the EPS Steering angle sensor node, the brake pedal sensor node included in the ABS and the power sensor node included in the BMS, etc.); the vehicle controller includes a receiving module, a controller module, a scheduler module, a clock drive module, and a scheduling strategy module and sending module.

[0027] The input end of the receiving module is connected with each sensor node of the vehicle through the CAN protocol network, and receives the driver...

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Abstract

The invention discloses a networked control system and a scheduling method of a multi-axis distributed drive electric vehicle. The system comprises a vehicle controller, a plurality of drive motor controllers, a plurality of sensor nodes and a CAN bus. The input end of the receiving module of the vehicle controller is connected with each sensor node of the vehicle through the CAN protocol network,and the output end is connected with the controller module. The input end of the controller module is connected with the clock driving module and the scheduling strategy module, and the output end isconnected with the sending module. The input end of the scheduler module is connected with the clock driving module and the scheduling strategy module at the same time, and the output end is connected with the sending module. The sending module is connected with each driving motor controller and sensor node of the vehicle through the CAN protocol network. The invention can improve the real-time performance and synchronization of the multi-wheel cooperative drive control, ensure the correct timing, and provide technical support for ensuring the dynamic performance and safety of the multi-axledistributed drive vehicle.

Description

technical field [0001] The invention relates to a control technology and system for a multi-axis distributed drive electric vehicle, in particular to a networked control system and a scheduling method for a multi-axis distributed drive electric vehicle. Background technique [0002] A multi-axle distributed drive electric vehicle refers to a new configuration vehicle that has more than two drive shafts and each drive wheel is independently driven by a motor. Due to the fast torque response capability and high torque control accuracy of the motor, the multi-axis distributed drive electric vehicle has the advantages of flexible and controllable torque of each driving wheel, so it has advantages in vehicle power performance improvement, chassis control and energy saving. Great potential. The advantages and development of multi-axis distributed drive electric vehicles have attracted people's attention, especially in the fields of heavy construction machinery, large public trans...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60L15/32
CPCB60L15/32
Inventor 曹万科李军求武迎双
Owner BEIJING INSTITUTE OF TECHNOLOGYGY
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