Feedback comprehensive dynamic scheduling networked control apparatus for electric vehicle

Abstract

The invention belongs to the field of control of an electric vehicle, particularly a feedback comprehensive dynamic scheduling networked control apparatus for the electric vehicle. The feedback comprehensive dynamic scheduling networked control apparatus for the electric vehicle comprises a comparison module, a controller module, a periodic scheduling module, a priority scheduling module and an integration module; the comparison module is connected with a driver instruction apparatus and a direct connected sensor, and meanwhile, the comparison module is connected with each sensor of the vehicle by a CAN (Controller Area Network) network; the output end of the comparison module is respectively connected with the priority scheduling module, the periodic scheduling module and the controller module; the output ends of the priority scheduling module, the periodic scheduling module and the controller module are respectively connected with the integration module; and the integration module is connected with a vehicle actuator by the CAN network. The control apparatus adopts multi-parameter comprehensive dynamic regulation based on vehicle control performance feedback, not only achieves inhibition on influence of network-induced delay on system control real-time performance, but also reduces a network data transmission quantity and improves the network transmission priority preemption problem, and is very beneficial to system expansion.

Description

technical field [0001] The invention belongs to the field of electric vehicle control, in particular to a feedback type comprehensive dynamic scheduling networked control device for electric vehicles. Background technique [0002] With the improvement of energy saving and environmental protection requirements and the advancement of electric drive technology, electric vehicles have achieved rapid development in recent years, but their problems in driving range, lightweight, power performance and cost still need to be further improved. One of the biggest features of electric vehicles is the use of motor drive technology instead of internal combustion engine drive technology. Compared with internal combustion engines, electric motors have faster response speed and higher control precision. By giving full play to the advantages of motor drive technology, the overall performance and cost performance of vehicles can be improved. The relevant research has attracted great attention....

AI Technical Summary

Problems solved by technology

Among them, the model prediction method needs to establish an accurate model of the system and realize online detection of delay, and does not pay attention to the problem of data transmission volume and transmission priority preemption, so it is difficult to apply in engineering, and priority dynamic scheduling can solve network-induced delay and transmission priority preemption, but not concerned with data transmission traffic

In addition, the transmission cycle dynamic scheduling method mentioned in other application fields can effectively reduce the amount of data transmission, but usually does not pay attention to the problem of preemption of transmission priority

[0005] Existing methods have certain limitations, and cannot take into account the needs of the strong real-time integrated control system for real-time performance, network transmission volume, and transmission priority preemption, and cannot meet the needs of electric vehicle technology upgrades and engineering realization.

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