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Method for controlling an electric machine for driving a motor vehicle, and motor vehicle

A motor vehicle, operated technology, applied in the direction of driving interaction, control driving, motor, etc., can solve the problems of reducing and unable to realize delay time, etc., and achieve the effect of improving acceleration performance and brisk driving performance

Active Publication Date: 2018-08-03
AUDI AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this cannot achieve the aforementioned reduction in delay time

Method used

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  • Method for controlling an electric machine for driving a motor vehicle, and motor vehicle
  • Method for controlling an electric machine for driving a motor vehicle, and motor vehicle

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0025] figure 1 A schematic diagram of a motor vehicle 1 is shown, which comprises an electric motor 2 for driving the motor vehicle 1, a plurality of wheels 3, a control device 4 for actuating the motor 2, and a data bus 5 to which the control device 4 accesses, the rotation of the motor 2 Torque is transmitted to the wheels.

[0026] Motor vehicle 1 also has a drive control device 6 in the form of an accelerator pedal with a proximity sensor 7 , which detects the approach of a driver's foot to drive control device 6 and generates sensor data describing the approach. Furthermore, a first brake actuating device 8 in the form of a brake pedal acting on the service brake system of the motor vehicle 1 and a second brake actuating device 9 in the form of a handle acting on the parking brake of the motor vehicle 1 are provided. Via operating element 10 , which is designed as a button element or input means on a human-machine interface, the driver can activate a sports mode of moto...

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PUM

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Abstract

Method for controlling an electric machine (2) for driving a motor vehicle (1), wherein a flux density of at least one magnetic field generated in the electric machine (2) is increased when an announcement signal is present that announces an upcoming acceleration command by the driver, and when a confirmation signal is present that confirms the announced acceleration command, the electric machine(2) is controlled in such a way that the speed and / or torque thereof increases.

Description

technical field [0001] The invention relates to a method for operating an electric machine for driving a motor vehicle. Background technique [0002] In known hybrid or purely electric vehicles, the driver's acceleration request is generally used in that a signal describing the actuation of the accelerator pedal of the motor vehicle is evaluated by a control device assigned to the electric machine. At this time, the motor is controlled according to the signal to produce a certain rotational speed or a certain torque. In order to improve the energy consumption of the electric machine, it is also known to cancel the magnetic field in the electric machine when the motor vehicle is parked or when the motor vehicle is coasting without active drive, and only to re-establish it when a desire to accelerate reappears. the magnetic field. In an asynchronous machine with a squirrel-cage rotor, the rotating field generated by the stator winding of the machine is reduced or completely ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60L11/18B60L15/20G08G1/0967
CPCB60L15/2072G08G1/096725G08G1/096758G08G1/096783B60L2220/12B60L2220/14B60L2240/30B60L2240/421B60L2240/423B60L2250/26B60L2260/26B60L2260/50G08G1/09623G08G1/09626B60L2260/22B60L2260/24B60L50/51B60L15/2045Y02T10/64Y02T10/72Y02T10/70B60L3/0061B60L2240/70
Inventor R·施特拉塞尔
Owner AUDI AG