A shift control method for a mechanical automatic transmission of a pure electric vehicle

An automatic transmission, pure electric vehicle technology, applied in the field of electric vehicle control, can solve the problems of unsatisfactory control effect and rare permanent magnet drive motor, and achieve the effect of ensuring power and economy

Inactive Publication Date: 2017-07-28
泰州市海博汽车科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At this stage, the research on the traditional vehicle automatic transmission theory and shifting rules has been quite mature; however, the comprehensive control of pure electric vehicle mechanical automatic transmissions related to permanent magnet drive motors is rare, and the transmission control is easily affected by the complex driving environment of the vehicle. The impact of variability, often the control effect is not satisfactory

Method used

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  • A shift control method for a mechanical automatic transmission of a pure electric vehicle
  • A shift control method for a mechanical automatic transmission of a pure electric vehicle
  • A shift control method for a mechanical automatic transmission of a pure electric vehicle

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Embodiment Construction

[0051] The specific implementation manner of the present invention will be further described below in conjunction with the accompanying drawings.

[0052] figure 1 Shown is the layered and modular structure of the AMT comprehensive control software for pure electric vehicles. The software is developed in a hierarchical and modular manner. In terms of hierarchical structure, the software is divided into BDI layer (Basic Driver Interface) and ACS layer (Advanced Control Strategy). Among them, the BDI layer is responsible for the initialization of the TCU, device drivers, etc.; the ACS layer is responsible for the upper layer control strategy, and completes functions such as gear decision, starting, and shifting. The ACS layer consists of an input module (Sensor), a decision-making module (Strategy), and an actuator control module (Actuator), which respectively complete functions such as signal conversion, decision-making control, and actuator control.

[0053] Among them, the...

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Abstract

The invention discloses a mechanical automatic transmission control module of a pure electric vehicle and a gearshift control method. The mechanical automatic transmission control module comprises a BDI (basic driver interface) layer and an ACS (advanced control strategy) layer, wherein the BID layer is connected with the ACS layer through an API (application program interface); the BDI layer is used for initializing hardware, driving each module in a TCU (transmission control unit) and providing an API calling function for the outside; the ACS layer is used for an upper layer control strategy and completion of gear position decision, start and shift functions, and comprises a Sensor module, a Strategy module and an Actuator module. A comprehensive gearshift rule used for the pure electric vehicle and based on load correction is developed for calculation of optimal power performance, an optimal economic gearshift rule and loads of the pure electric vehicle, so that the vehicle is always in optimal gear position and traveling states and the optimal power performance and economy of the vehicle are guaranteed.

Description

technical field [0001] The invention belongs to the technical field of electric vehicle control, and in particular relates to a control module and a shift control method of a mechanical automatic transmission of a pure electric vehicle with a permanent magnet drive motor. Background technique [0002] At present, in the field of shift optimization of automatic transmissions of transportation vehicles, mechanical automatic transmissions realize automatic shifting operations on the basis of mechanical transmissions. It not only has the characteristics of low price and convenient manufacture, but also has automatic operation, high safety and reliability, etc. advantage. At this stage, the research on the traditional vehicle automatic transmission theory and shifting rules has been quite mature; however, the comprehensive control of pure electric vehicle mechanical automatic transmissions related to permanent magnet drive motors is rare, and the transmission control is easily af...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60W10/08B60W10/10B60W40/08B60W40/10
CPCB60W10/08B60W10/10B60W30/18009B60W40/08B60W40/10
Inventor 唐海滨雷雨龙王军胡兴军卢晓辉顾欢乐邱露琴
Owner 泰州市海博汽车科技有限公司
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