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Method for determining the contact point of a hybrid disconnect clutch of a hybrid vehicle

A technology for hybrid vehicles and separation clutches, applied to clutches, mechanical equipment, etc., to achieve the effect of eliminating interference

Active Publication Date: 2019-12-06
SCHAEFFLER TECH AG & CO KG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Performing plausibility checks will take into account statistical methods

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  • Method for determining the contact point of a hybrid disconnect clutch of a hybrid vehicle
  • Method for determining the contact point of a hybrid disconnect clutch of a hybrid vehicle

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Embodiment Construction

[0021] exist figure 1 A schematic diagram of a drive train 1 of a hybrid vehicle is shown in . The drive train includes an internal combustion engine 2 and an electric motor 3 . Between the internal combustion engine 2 and the electric motor 3 , a hybrid separating clutch 4 is arranged directly or immediately downstream of the internal combustion engine 2 . The internal combustion engine 2 and the hybrid separation clutch 4 are connected to each other via a crankshaft 5 . The electric motor 3 has a rotatable rotor 6 and a fixed stator 7 . The output shaft 8 of the hybrid separating clutch 4 is connected to a transmission 9 , which includes connecting elements not further shown, for example a second clutch or a torque converter, which is arranged between the electric motor 3 and the transmission 9 . The transmission 9 transmits the torque generated by the internal combustion engine 2 and / or the electric motor 3 to drive wheels 10 of the hybrid vehicle. In this case, the hyb...

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Abstract

The invention relates to a method for determining the contact point of a hybrid disconnect clutch (4) of a hybrid vehicle, wherein the hybrid disconnect clutch (4) disconnects or connects an internal combustion engine (2) and an electric motor (3) and is adjusted when the hybrid vehicle is running Touch Point (TP). In a method capable of distinguishing between a wrong adjustment of the touch point and a self-adjustment of the hybrid separation clutch, after the adjustment of the touch point, the contact point determined during said adjustment of the touch point (TP n ) are checked for plausibility by statistical methods before being further used.

Description

technical field [0001] The invention relates to a method for determining the contact point of a hybrid disconnect clutch for disconnecting or connecting an internal combustion engine and an electric motor and for adjusting the contact point during operation of the hybrid vehicle. Background technique [0002] DE 10 2010 024 941 A1 discloses a method for controlling a dual-clutch transmission having at least two partial drive trains, each of which can be connected via a clutch to an internal combustion engine. When driving a vehicle including a dual clutch transmission, the contact point of the clutch is determined independently of the torque of the internal combustion engine. In this case, the contact point is determined when the vehicle starts running and is adjusted during the operation of the vehicle. [0003] In a hybrid vehicle with a hybrid drive train, driving resistance can be overcome by converting electrical energy to mechanical energy from two independent energy ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16D48/06
CPCF16D48/06F16D2500/50245F16D2500/50251F16D2500/70673F16D2500/10412F16D2500/1066F16D2500/50275F16D2500/70605F16D2500/70694Y02T10/62
Inventor 拉夫·曼斯皮尔格马库斯·莱恩哈德
Owner SCHAEFFLER TECH AG & CO KG