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Method for operating a hybrid device and corresponding hybrid device

A technology of hybrid power and operation mode, which is applied to the layout of multiple different prime movers of hybrid vehicles and general power plants, the starting of engines, etc., and can solve the problems of no effective connection, etc.

Active Publication Date: 2018-05-01
AUDI AG
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Accordingly there is no active connection between the first power unit and the second power unit

Method used

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  • Method for operating a hybrid device and corresponding hybrid device
  • Method for operating a hybrid device and corresponding hybrid device

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Embodiment approach

[0023] In the first mode of operation, the second drive unit 10 is usually inactive, that is to say it has a rotational speed of zero, or it may be operated at a lower rotational speed, in particular at a rotational speed that is lower than the rotational speed of the first drive unit 9 . run. In the case of the latter embodiment, it is obvious that the possible transmission ratios between drive unit 9 and output shaft 2 must be taken into account. When switching from the first operating mode to the second operating mode, the actual rotational speed of the second drive unit 10 must be adapted to the desired rotational speed. In the exemplary embodiment shown here, this desired rotational speed corresponds to the actual rotational speed of the output shaft 2 or of the first drive unit 9 . Obviously, however, other embodiments are also possible in which the ideal rotational speed may have to be selected differently.

[0024] figure 2 A block diagram of a method for operating...

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Abstract

The invention relates to a method for operating a hybrid plant (1) having a first drive unit (9) and a second drive unit (10), the drive torque of the hybrid drive unit (1) Generated in the first operating mode only by the first power plant (9) and in the second operating mode jointly by the first power plant (9) and the second power plant (10), when switching from the first operating mode In the second operating mode, the actual rotational speed of the second power unit (10) is matched to the ideal rotational speed. It is provided here that an ideal rotational speed gradient is determined for adaptation to the actual rotational speed and that an ideal torque determined on the basis of the ideal rotational speed gradient is set on the second drive unit (10). The invention also relates to a hybrid device (1).

Description

technical field [0001] The invention relates to a method for operating a hybrid plant having a first drive unit and a second drive unit, the driving torque of which in a first operating mode is passed exclusively through the first drive unit to be generated and jointly produced by the first power plant and the second power plant in the second operating mode, the actual rotational speed of the second power plant is matched to the ideal rotational speed when switching from the first operating mode to the second operating mode. Furthermore, the invention relates to a hybrid device. Background technique [0002] The hybrid device has at least two power units, namely a first power unit and a second power unit. An electric motor, an internal combustion engine or the like can be provided as a power unit in any combination. For example, the first drive unit is an electric machine and the second drive unit is an internal combustion engine. In the first operating mode, the drive to...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60W20/40
CPCB60W20/40F02N11/0818B60W2510/0695B60W2510/0652B60W2710/0666B60W10/06B60W2050/0008B60K6/48B60W10/08Y10S903/93Y02T10/62B60K6/46B60W20/10B60W2710/0644B60Y2200/92B60Y2300/182B60Y2300/43
Inventor F·舒尔A·戈贝尔
Owner AUDI AG
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