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Control apparatus for vehicle driving apparatus

A driving device and control device technology, which is applied in transmission device control, road vehicle drive control system, transmission device, etc., and can solve problems such as driver discomfort

Active Publication Date: 2020-02-18
TOYOTA JIDOSHA KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For example, when the vehicle drive device is in a state where the first power transmission path is formed and is in a predetermined running state (for example, a low-speed running state), rattling noise may be generated in the gap between the spline fitting parts, thereby discomfort to the driver

Method used

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  • Control apparatus for vehicle driving apparatus
  • Control apparatus for vehicle driving apparatus
  • Control apparatus for vehicle driving apparatus

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0028] Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. figure 1 It is a schematic diagram of a vehicle 10 equipped with an electronic control device 100 as a vehicle drive device 90 according to an embodiment of the present invention, and shows the control functions of the electronic control device 100 for performing various controls in the vehicle 10 and A diagram illustrating the main parts of the control system.

[0029] The vehicle 10 includes a vehicle drive device 90 , drive wheels 14 , a hydraulic control circuit 46 , and an electronic control device 100 . The vehicle drive device 90 includes an engine 12 used as a driving force source for traveling, and a vehicle power transmission device 16 (hereinafter referred to as power transmission device 16 ) that transmits the power of the engine 12 to drive wheels 14 .

[0030] The engine 12 is constituted by an internal combustion engine such as a gasoline engine ...

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PUM

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Abstract

Provided is a control apparatus for a vehicle driving apparatus, the control device being capable of suppressing rattling noise in a continuously variable transmission without generating control interference when switching a power transmission path. The control apparatus for a vehicle driving apparatus, which selectively forms a first power transmission path via a gear mechanism and a second powertransmission path via a belt-type continuously variable transmission between an input shaft and an output shaft, includes: a first-operating-state determining portion configured to determine whetherthe driving apparatus is in a first operating state, the first operating state being a state in which a first power transmission path is formed and in which abnormal noise is likely to be generated between a belt-type continuously variable transmission and the input shaft; and a belt-clamping-force controlling portion that, when it is determined that the driving apparatus is in the first operatingstate, starts execution of a belt-clamping-force increasing control for increasing the belt clamping force such that the belt clamping force is made larger when the driving apparatus is in the firstoperating state than when the driving apparatus is in an operating state that is different from the first operating state.

Description

technical field [0001] The present invention is a control device for a vehicle drive device that selectively forms a first power transmission path via a gear mechanism and a second power transmission path via a belt type continuously variable transmission between an input shaft and an output shaft, and relates to Suppression of rattle noise generated between the belt type continuously variable transmission and the input shaft. Background technique [0002] In a vehicle drive device that includes a drive power source (engine) and a vehicle power transmission device that transmits the power of the drive power source to drive wheels, there is a vehicle that selectively forms a channel between an input shaft and an output shaft. A vehicle drive device for a first power transmission path of a gear mechanism and a second power transmission path via a belt type continuously variable transmission. In a vehicle equipped with such a vehicle drive device, there may be a gap around the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16H37/02
CPCF16H37/021F16H59/72F16H59/24F16H2059/704F16H2061/66277F16H61/66272F16H2059/147F16H57/0006F16H37/022B60Y2300/20B60W30/188B60W10/101B60W10/11B60W10/06F16H63/50B60W2710/065B60W30/1819
Inventor 友松大辅近藤智敬铃村京平袴着纯
Owner TOYOTA JIDOSHA KK