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Controller for a motor vehicle, motor vehicle, and method for controlling a motor vehicle

A technology for control devices and motor vehicles, applied in control devices, machines/engines, measuring devices, etc., can solve problems such as high thermal load, and achieve the effect of reducing thermal load, reducing application costs, and maximizing customer comfort

Active Publication Date: 2019-07-30
VOLKSWAGEN AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This can lead to a high thermal load on the cooling system for the internal combustion engine

Method used

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  • Controller for a motor vehicle, motor vehicle, and method for controlling a motor vehicle
  • Controller for a motor vehicle, motor vehicle, and method for controlling a motor vehicle
  • Controller for a motor vehicle, motor vehicle, and method for controlling a motor vehicle

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Embodiment Construction

[0044] exist figure 1 An exemplary embodiment of a motor vehicle 1 with a control device 2 is schematically shown in FIG.

[0045] The motor vehicle 2 has an internal combustion engine 3 , also referred to below as VKM3 . The VKM3 is designed as a 4-cylinder gasoline engine without restricting the invention in this respect.

[0046] The VKM 3 is coupled to a gearbox 4 via a drive shaft, wherein the gearbox 4 is designed as an automatic gearbox, for example as known as a dual clutch gearbox.

[0047] Furthermore, a cooling device 5 is provided, which cools the VKM 3 via a cooler 5 a filled with a cooling liquid 5 b, as is generally known.

[0048] To ascertain the temperature of VKM3, a temperature sensor 6 is provided which measures the oil temperature and thus the temperature of VKM3.

[0049] In order to ascertain the temperature of the coolant 5 b, a further temperature sensor 7 is arranged in the coolant circuit of the cooling device 5 .

[0050] exist figure 1 In the...

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PUM

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Abstract

The invention relates to a controller for a motor vehicle (1) having an internal combustion engine (3), a transmission (4), and a cooling device (5) having coolant (5b) for cooling the internal combustion engine (3), wherein the controller (2) is designed to determine a desired minimum rotational speed for the internal combustion engine (3) on the basis of a temperature of the internal combustionengine (3) and / or a temperature of the coolant (5b) and to determine a desired transmission shifting position on the basis of the desired minimum rotational speed.

Description

technical field [0001] The invention relates to a control device for a motor vehicle, a motor vehicle with such a control device and a method for controlling a motor vehicle, in particular in the field of engine control and transmission control. Background technique [0002] It is generally known to control a drive train of a motor vehicle, wherein the drive train can also have an internal combustion engine and a gearbox. [0003] A method for operating a drivetrain of a motor vehicle is known from the publication DE 10 2004 002 761 A1, the drivetrain having a drive, a gearbox and a control device. The control device limits the torque of the drive for protecting the gearbox. To this end, the control device evaluates temperature information about the temperature of the gearbox and limits the torque as a function of this temperature information. [0004] A method for reducing the thermal load of an automatic transmission for a motor vehicle during emergency operation is know...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60W50/14B60W30/184B60W10/11
CPCB60W50/14B60W10/11B60W30/1843B60W2050/146B60W2510/0676B60W2710/0644B60W2710/1005B60W10/06B60R16/0231B60W2510/0638B60W2510/1005B60W2710/0688F01P11/16F01P2025/66F01P2031/20F01P2050/22B60W2552/15
Inventor C.容尼克尔J.沃道施
Owner VOLKSWAGEN AG
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