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Method and device for anticipatory detection of a suitable gear

A technology of driving level and driving direction, which is applied in the directions of control devices, transportation and packaging, transmission control, etc., and can solve problems such as large technical costs

Active Publication Date: 2012-11-28
MAN NUTZFAHRZEUGE AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Especially in heavy-duty trucks and other transport vehicles with automatic or semi-automatic transmissions, it is a problem that the gearbox control (Getriebesteuerung) only detects the uphill or downhill when the motor vehicle is already going uphill or downhill. and select the corresponding driving class
The height change and likewise the direction change of the road section ahead of the vehicle should be detected by image evaluation, which requires relatively high technical effort

Method used

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  • Method and device for anticipatory detection of a suitable gear
  • Method and device for anticipatory detection of a suitable gear

Examples

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Embodiment Construction

[0021] exist figure 1 The block diagram shown in shows a device in a motor vehicle which is used, for example, to predetermine a suitable driving level for an automatic transmission. The components used in the exemplary embodiment shown include a distance sensor 1 , an inclination sensor 2 , an evaluation device 3 , a gearbox control 4 and a first data transmission device D1 and a second data transmission device D2 . Furthermore, the evaluation device 3 is connected to a display 5 for displaying information about the set driving level for the driver of the vehicle.

[0022] The transmission control 4 controls the automatic transmission 6 as a function of the driving operating parameters transmitted to the transmission control via the data transmission means D1 and D2 and as a function of the uphill or downhill of the driving route 7 ahead of the vehicle. The data transmission device D1 can be, for example, a device for adjusting a driving mode, for example for adjusting a ter...

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PUM

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Abstract

The present invention relates to a method and a device for anticipatory detection of a suitable gear, and especially relates to the method and the device used for anticipatory detection of a suitable drive grade of an automatic transmission (6) of a motor vehicle (11) in the case of considering road outlines (A, B, C) of a drive road (7) before the motor vehicle (11) in a drive direction. The method involves measuring a distance between the motor vehicle (11) and a road surface (10) which is extended before the motor vehicle (11) measured in a predetermined measuring angle, obtaining a slope value from the measured distance for determining the drive grade.

Description

technical field [0001] The invention relates to a method according to the preamble of claim 1 for determining in advance (vorausschauend) a suitable driving level (Fahrstufe) for an automatic transmission of a motor vehicle and a method according to claim 6 for carrying out the method installation. Background technique [0002] Especially in heavy-duty trucks and other transport vehicles with automatic or semi-automatic transmissions, it is a problem that the gearbox control (Getriebesteuerung) only detects the uphill or downhill when the motor vehicle is already going uphill or downhill. And select the corresponding driving class. In the case of a load-dependent adjustment of an automatic transmission, this can lead to a too late downshift into a suitable driving range, ie, when, for example, the engine power is no longer sufficient for the currently selected driving range. Shift to a lower gear. A too late detection of an uphill that requires a lower driving level then ...

Claims

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Application Information

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IPC IPC(8): F16H59/66F16H59/50
CPCF16H59/66B60W2550/142F16H61/0213B60W50/0097B60W2550/143B60W2710/1005F16H2059/663B60W2420/62B60K2350/2047B60W2552/20B60W2552/15B60W2420/408B60K2360/333
Inventor M.雅恩
Owner MAN NUTZFAHRZEUGE AG