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Method for operating a hybrid drive

A drive and operating mode technology, applied in the layout of multiple different prime movers of hybrid vehicles, general power plants, motor vehicles, etc., can solve problems such as inability to perform zero calibration, and achieve improved calculation/matching effects

Active Publication Date: 2011-05-18
ROBERT BOSCH GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Zero calibration cannot be performed in this respect

Method used

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  • Method for operating a hybrid drive
  • Method for operating a hybrid drive

Examples

Experimental program
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Embodiment Construction

[0016] figure 1 The hybrid drive HA of the series basically includes a supply unit 10 and a drive unit 20 . The supply unit 10 consists of an internal combustion engine 12 and a generator 14 . Internal combustion engine 12 and generator 14 are coupled via a power transmission connection 16 . The drive unit 20 is composed of an electric motor 22 and a drive train 24 . The electric motor 22 and the drive train 24 are coupled via a force-transfer connection 26 .

[0017] Energy transfer unit 30 is connected to generator 14 , electric motor 22 and battery 32 by means of lines 34 , 36 and 38 . The generator 14 , the electric motor 22 and the battery 32 can be operated as energy sources or as energy reducers.

[0018] The supply unit 10 serves the purpose of supplying electrical energy to a vehicle unit, for example a drive unit 20 . For this purpose, the generator 14 is driven by the internal combustion engine 12 . The generator 14 converts the mechanical energy emitted by th...

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PUM

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Abstract

The invention relates to a method for operating a hybrid drive. The method for operating the hybrid drive of a motor vehicle in particular. An internal combustion engine is connected to a generator via a force-conducting connection. In a learning mode, the generator is operated as a motor and drives the internal combustion engine. In this learning mode, a so-called zero quantity calibration is performed.

Description

technical field [0001] The invention relates to a method for operating a hybrid drive, in particular a hybrid drive of a motor vehicle, according to the preamble of claim 1 . Background technique [0002] A known series of hybrid drives drives the motor vehicle via an electric motor. The electrical energy for the electric motor is provided by a generator using the internal combustion engine. [0003] It is also known that motor vehicles are exclusively driven by an internal combustion engine. It is also known for such motor vehicles that the coasting phase, that is to say the passive drive of the internal combustion engine, is used to carry out a so-called null calibration. In this case the determination and adaptation of the operating parameters of the internal combustion engine, ie the operating parameters during normal operation of the internal combustion engine, then results in compensation of aging drift and optimization of the efficiency of the internal combustion en...

Claims

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Application Information

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IPC IPC(8): B60W20/00B60W10/06B60W10/08
CPCY02T10/6286Y02T10/6217B60W10/06B60K6/46B60W30/18054B60W20/50F02D41/247B60W10/08B60W2510/1065B60W20/00Y02T10/62B60W20/11
Inventor D·策H·拉普T·波尔M·鲁克勒W·特施纳
Owner ROBERT BOSCH GMBH
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