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Method for controlling a powertrain system

A powertrain and electric power technology, applied in the field of powertrain systems, can solve problems such as vehicle function loss

Active Publication Date: 2017-03-01
GM GLOBAL TECH OPERATIONS LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, shutdown of the hybrid powertrain system can result in a loss of functionality of the vehicle, such as the need to use the vehicle's auxiliary components

Method used

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  • Method for controlling a powertrain system
  • Method for controlling a powertrain system
  • Method for controlling a powertrain system

Examples

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Embodiment Construction

[0061]Referring now to the drawings, in which the illustrations are for illustration of certain exemplary embodiments only and not for limitation, figure 1 A powertrain 610 is shown having the internal combustion engine 12 drivingly connected to an electro-mechanical transmission 614 . An output member of the engine 12 is coupled for driving an input member 616 of a transmission 614 .

[0062] The first electric machine 20 and the second electric machine 22 are housed within the housing shell / ground shell 24 and are operatively connected between the input member 616 and the transmission output member 626 that interacts with the driveline 700 . The first electric machine 20 includes an annular stator 30 grounded to the transmission housing 24 , an annular rotor 32 supported on and rotating with a rotatable rotor hub 634 . A high voltage electrical energy storage device such as a battery 36, a power inverter 38 and an electronic controller 39 are operatively connected to the st...

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PUM

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Abstract

The present invention relates to a method for providing a controlled neutral in place of a conventional neutral in an electromechanical transmission. The powertrain system includes an internal combustion engine, a first electric machine, and an electro-mechanical transmission operative to transfer torque to the driveline. A method for controlling a powertrain system in the presence of controlled neutral operation of a selected electro-mechanical transmission comprising monitoring vehicle speed and limiting transitions from current engine operating conditions only if the monitored vehicle speed exhibits in the low-speed region.

Description

technical field [0001] The present invention relates to a powertrain system employing multiple torque-generative devices, and powertrain controls associated therewith. Background technique [0002] The statements in this section merely provide background information related to the present disclosure. Accordingly, such statements are not intended to constitute admissions of prior art. [0003] The powertrain system may be configured to transfer torque originating from multiple torque-generative devices through torque transmitting devices to an output member that may be connected to the driveline. Such powertrain systems include hybrid powertrain systems and extended-range electric vehicle systems. A control system for operating such a powertrain system operates the torque-generative devices and applies the torque-transmitting elements in the transmission to account for fuel economy, emissions, drivability, and other factors in response to the output of the operator command ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60W30/18B60W20/00B60W10/06B60W10/08B60W10/10B60W10/26
CPCB60W10/06B60W10/08B60W10/115B60W10/26B60W20/00B60W30/18B60W2520/10B60W2520/28B60W2710/10B60K6/445B60W2510/244B60W2710/0644B60W2710/065B60W2710/083B60W20/40Y02T10/62F16H37/065
Inventor S.纳奇L.A.卡明斯基J-J.F.萨S.C.鲍曼C.A.劳伦特G.罗比逊S.希蒂J.M.博伦鲍夫A.K.纳维S.卢奇克
Owner GM GLOBAL TECH OPERATIONS LLC