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Energy-saving control method for full electric vehicle driving system

A driving system and energy-saving control technology, applied in the field of vehicle energy-saving control, can solve the problems of low energy-saving efficiency, low cruising range, and single energy-saving method, and achieve great energy-saving effect, high cruising range, and overcome the effect of low energy-saving rate.

Inactive Publication Date: 2018-11-23
JIANGXI KAMA BONLUCK BUSINESS BUS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the limitations of the current pure electric vehicle power battery, the cruising range is generally low, so how to maximize the energy saving of the whole vehicle is particularly important.
At present, the energy-saving method of the vehicle drive motor is relatively simple, and the energy-saving efficiency is generally low, so it is particularly important to design a method to realize the energy-saving of the vehicle drive

Method used

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  • Energy-saving control method for full electric vehicle driving system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] see figure 1 , the energy-saving control method of the pure electric vehicle drive system of the present invention, the working mode includes the power saving mode, the economical mode and the power mode, the vehicle is equipped with a tire pressure sensor, and the tire pressure of the vehicle is monitored in real time through the tire pressure monitoring system, and the vehicle controller according to the tire pressure situation Judging the real-time load condition of the vehicle, and automatically judging which mode to enter; after entering the corresponding mode, the vehicle controller sends torque control instructions to the motor controller through the CAN bus, and the motor controller makes corresponding responses according to the torque instructions, so as to realize the The different mode control of the motor realizes the energy-saving effect of the vehicle drive system.

[0016] A tire pressure sensor is installed on each tire, and the in-tire sensor periodical...

Embodiment 2

[0018] see figure 1 , the energy-saving control method of the pure electric vehicle drive system in this embodiment differs from Embodiment 1 in that an inclination sensor is installed on the vehicle, and the slope data of the road surface is collected in real time through the inclination sensor, and the vehicle controller automatically judges the slope according to the inclination sensor , count the slope size and frequency times, automatically judge and switch the corresponding mode, and send the corresponding control command to the motor controller through the CAN message; if the slope is less than 5%, use the power saving mode; if the slope is greater than 5% but less than 15% , the economy mode is adopted; if the slope is greater than 15%, the power mode is adopted.

Embodiment 3

[0020] see figure 1 , the energy-saving control method of the pure electric vehicle drive system in this embodiment differs from Embodiment 1 in that an inclination sensor is installed on the vehicle, and the slope data of the road surface is collected in real time through the inclination sensor, and a passenger flow monitor is installed on the vehicle to monitor the vehicle in real time. The vehicle controller automatically judges which mode the vehicle enters by counting real-time slope conditions and real-time load conditions: if the slope is less than 5% and the passenger flow is less than 1 / 3, the power-saving mode is adopted;

[0021] If the slope is greater than 5% but less than 15%, and the passenger flow is less than 1 / 3, the economical mode is adopted;

[0022] If the slope is greater than 15% and the passenger flow is less than 1 / 3, use the power mode;

[0023] Passenger flow greater than 1 / 3 adopts power mode.

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Abstract

The invention relates to a vehicle energy-saving control method. An energy-saving control method for a full electric vehicle driving system comprises a power saving mode, an economic mode and a powermode, wherein the vehicle is provided with tire pressure sensors, and the tire pressures are monitored in real time through a tire pressure monitoring system, a whole vehicle controller judges the real-time load condition of the whole vehicle according to the tire pressure condition and automatically judges the mode of entering; after entering the corresponding mode, the whole vehicle controller sends a torque control command to a motor controller through a CAN bus, and the motor controller makes a corresponding response according to the torque command, thereby achieving different mode controlof the motor and achieving the energy-saving effect of the whole vehicle driving system.

Description

technical field [0001] The invention relates to a vehicle energy-saving control method, in particular to a control method for realizing energy-saving of a pure electric vehicle drive system. Background technique [0002] With the rapid popularization of new energy vehicles, especially the state's policy support for pure electric vehicles, the popularity of pure electric vehicles has been greatly promoted. However, due to the limitations of current pure electric vehicle power batteries, the cruising range is generally low, so how to maximize the energy saving of the whole vehicle is particularly important. At present, the energy-saving method of the vehicle drive motor is relatively simple, and the energy-saving efficiency is generally low, so it is particularly important to design a method to realize the energy-saving of the vehicle drive. Contents of the invention [0003] The present invention overcomes the limitation of the low energy-saving rate of the current vehicle...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60W30/182B60W40/076B60W40/08
Inventor 张福成罗丙荷
Owner JIANGXI KAMA BONLUCK BUSINESS BUS