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Regenerative braking torque compensation device, method for regenerative braking torque compensation and a hybrid vehicle embodying such device and method

A hybrid vehicle and regenerative braking technology, which is applied to the arrangement of multiple different prime movers and power units of hybrid vehicles and general power units, and can solve problems such as torque fluctuation, excessive braking, and inability to achieve deceleration. Achieve continuous braking torque, stability and reliability improvements

Inactive Publication Date: 2011-05-18
HYUNDAI MOTOR CO LTD +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, braking is performed excessively
[0011] Also, due to torque fluctuations, shocks occur, and uniform deceleration cannot be achieved

Method used

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  • Regenerative braking torque compensation device, method for regenerative braking torque compensation and a hybrid vehicle embodying such device and method
  • Regenerative braking torque compensation device, method for regenerative braking torque compensation and a hybrid vehicle embodying such device and method
  • Regenerative braking torque compensation device, method for regenerative braking torque compensation and a hybrid vehicle embodying such device and method

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Embodiment Construction

[0037] In the following detailed description, certain aspects and / or embodiments of the invention are shown and described by way of illustration. As those skilled in the art would realize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. The drawings and descriptions are to be regarded as illustrative in nature rather than restrictive, and like reference numerals refer to like elements throughout the specification.

[0038] As further described herein, one aspect / embodiment of the invention features a regenerative braking torque compensation apparatus for a hybrid vehicle. Such a regenerative braking torque compensation device includes: a motor control unit configured to control an operating torque of the motor; and a brake control unit configured to calculate a braking torque for controlling hydraulic pressure supplied to wheel cylinders. Such an apparatus also includes a hybrid cont...

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PUM

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Abstract

The invention provides a regenerative braking torque compensation device, a method for regenerative braking torque compensation and a hybrid vehicle embodying such device and method. The regenerative braking torque compensation device of the hybrid vehicle, comprises: a motor control unit controlling operation torque of a motor; a brake control unit calculating a brake torque to control hydraulic pressure supplied to a brake cylinder of a wheel; and a hybrid control unit that applies a real shift ratio to calculate a regenerative braking amount if gear shifting is detected, and determining a regenerative braking torque compensation amount according to a target shift step and a shift phase to control regenerative braking torque.

Description

technical field [0001] The present invention relates to a hybrid electric vehicle, more particularly to a hybrid electric vehicle including regenerative braking technology, and more particularly to a regenerative braking torque compensation device and a method related thereto. Background technique [0002] Hybrid vehicles typically include a reciprocating engine and an electric motor (motor / generator), where the electric motor is run by a high voltage battery to assist the engine when the vehicle is running. Such a configuration provides high energy efficiency and low emissions through the combination of the two power sources. [0003] When considering power performance, fuel consumption, and handling performance of a hybrid vehicle, an automatic transmission is generally configured such that an optimal gear ratio is automatically determined for gear shifting. [0004] However, if the automatic transmission is not precisely controlled, shocks can be generated from the autom...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60W10/08B60W10/06B60W10/18B60W20/00B60W40/10B60W40/08B60W30/18
CPCB60W2510/1005B60W2540/12B60W30/18127B60K6/48B60W10/11B60L2240/486B60W30/19B60W10/08Y02T10/6221B60W20/102B60W20/11Y02T10/62B60W20/00B60W10/18B60L7/22B60T8/17
Inventor 金庭殷
Owner HYUNDAI MOTOR CO LTD
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