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Electric car control method and device and electric car

A technology for electric vehicles and control methods, which is applied to transmission control, elements with teeth, belts/chains/gears, etc., can solve the problem that the performance of the whole vehicle cannot meet the expected requirements, cannot meet driving needs, and lacks two-speed transmission. To meet the driving needs and improve work efficiency

Inactive Publication Date: 2017-09-01
BEIJING ELECTRIC VEHICLE
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  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

[0006] The object of the present invention is to provide an electric vehicle control method, device and electric vehicle, so as to solve the problem that the performance of the whole vehicle cannot meet the expected requirements due to the lack of a control strategy for the two-speed gearbox electric vehicle in the prior art The problem of meeting people's driving needs

Method used

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  • Electric car control method and device and electric car
  • Electric car control method and device and electric car
  • Electric car control method and device and electric car

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Embodiment Construction

[0060] In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following will describe in detail with reference to the drawings and specific embodiments.

[0061] like figure 1Shown is one of the flow charts of the electric vehicle control method in the embodiment of the present invention. The implementation process of this method will be described in detail below with respect to this figure.

[0062] Step 101, obtaining the vehicle speed and accelerator pedal signal of the electric vehicle;

[0063] Here, the acquired vehicle speed and accelerator pedal signals of the electric vehicle are output by the vehicle controller.

[0064] The vehicle controller mainly controls the basic conditions such as the characteristics of the battery and the motor, and the external environment, and can work according to the driving conditions.

[0065] It should be noted that the basic parameter information of the battery...

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Abstract

The invention provides an electric car control method and device and an electric car. The method includes the steps that the car speed and an accelerator pedal signal of the electric car are obtained; and according to the car speed, the accelerator pedal signal and the pre-recorded gear-shifting corresponding relationship of the car speed and the accelerator aperture, when the electric car meets the preset condition, two-gear speed changing boxes of the electric car are controlled to conduct gear shifting. According to the obtained car speed and the accelerator pedal signal of the electric car, by means of the pre-recorded gear-shifting corresponding relationship of the car speed and the accelerator aperture, the two-gear speed changing boxes of the electric car are controlled to conduct gear shifting, and therefore the overall car performance of the electric car can reach the expected requirement, the working efficiency of a motor is improved, and the driving requirement of people is met.

Description

technical field [0001] The invention relates to the technical field of electric vehicles, in particular to an electric vehicle control method and device and the electric vehicle. Background technique [0002] Pure electric vehicles are considered to be the development direction of the automobile industry and an effective way to solve energy shortage and environmental pollution. Its green and environmentally friendly design is the source of sustainable development in the automotive industry. [0003] The main performance indicators of electric vehicles can be characterized by acceleration ability, maximum speed, climbing ability and mileage. The level of these performance indicators is closely related to the quality of the electric vehicle power transmission system. At present, the biggest bottleneck hindering the industrialization of electric vehicles is the battery. The low energy density of the battery makes the performance parameters of the vehicle such as energy utiliz...

Claims

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Application Information

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IPC IPC(8): F16H61/02F16H61/28
CPCF16H61/0204F16H61/0213F16H61/2807
Inventor 张海艳于淙洋吕志伟左延婷
Owner BEIJING ELECTRIC VEHICLE
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