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Vehicle control device

A technology of a vehicle control device and a braking device, applied in the field of vehicle control devices, can solve problems such as excessive driving torque and deterioration of vehicle braking performance.

Inactive Publication Date: 2020-07-10
HONDA MOTOR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, when the automatic transmission is shifted to a low gear, the driving torque at the time of parking running using the creep phenomenon becomes excessive, and the brakeability of the vehicle deteriorates

Method used

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Embodiment Construction

[0018] The following reference Figure 1~Figure 9 The embodiments of the present invention will be described. figure 1 It is a diagram schematically showing the configuration of a part (mainly the transmission 1) of the traveling drive system of the vehicle 100 to which the vehicle control device according to an embodiment of the present invention is applied. The vehicle 100 is configured as a hybrid vehicle having an engine 2 and an electric motor 3, for example.

[0019] A clutch mechanism C that transmits or does not transmit the torque of the engine 2 to the transmission 1 is provided between the transmission 1 and the engine 2. The clutch mechanism C is composed of, for example, a wet double clutch, and has a first clutch C1 and a second clutch C2. In addition, the clutch mechanism C can also be constituted by a dry double clutch.

[0020] The transmission 1 is, for example, a stepped transmission, and has a gear mechanism 10 that changes the rotation of at least one of the ...

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PUM

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Abstract

A vehicle control device is provided with a parking command unit (601) for instructing travel in a parking mode in which a vehicle (100) is driven into or out of a parking lot (111), and a transmission control unit (604) for controlling a transmission (1). When the parking command unit (601) instructs the vehicle to travel in the parking mode, the transmission control unit (604) controls the transmission so that the maximum gear ratio of the transmission (1) becomes smaller than when the vehicle is not instructed to travel in the parking mode.

Description

Technical field [0001] The present invention relates to a vehicle control device for controlling the actions of a vehicle during parking and driving. Background technique [0002] When driving a vehicle into (entering) a parking lot or exiting (exiting) from a parking lot, as described in Patent Document 1, generally the driver does not operate the accelerator pedal to rotate the engine at an idling speed In the state, operate the gear to make it in the driving range, and operate the foot brake while using the creep phenomenon to drive the vehicle. Such parking driving is performed at a low speed, and therefore, the automatic transmission is usually switched to a low speed gear. [0003] However, when the automatic transmission is switched to a low-speed gear, the driving torque during parking driving using the creep phenomenon becomes excessive, and the braking performance of the vehicle deteriorates. [0004] Prior art literature [0005] Patent Document 1: Japanese Patent Applica...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60W10/10B60W30/182
CPCB60W10/10B60W30/182
Inventor 足立崇石川尚野口智之贞清雅行
Owner HONDA MOTOR CO LTD