Vehicle and sliding energy recovery method and system thereof

A technology for energy recovery and vehicles, which is applied to vehicle components, vehicle condition input parameters, external condition input parameters, etc., and can solve problems such as slow vehicle speed and vehicle failures

Active Publication Date: 2016-04-20
ZOOMLION HEAVY IND CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide a vehicle and its coasting energy recovery method and system, which can solve the lack of consideration of special circumstances in the energy recovery process of the prior art, such as vehicle load changes, vehicles driving on different slopes, and vehicles running at slow speeds. and technical problems with the vehicle

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  • Vehicle and sliding energy recovery method and system thereof
  • Vehicle and sliding energy recovery method and system thereof
  • Vehicle and sliding energy recovery method and system thereof

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Embodiment Construction

[0023] In the following description, for purposes of illustration rather than limitation, specific details are set forth, such as specific system architectures, interfaces, and techniques, in order to provide a thorough understanding of the present invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced in other embodiments without these specific details. In other instances, detailed descriptions of well-known devices, circuits, and methods are omitted so as not to obscure the description of the present invention with unnecessary detail. The physical quantities not indicated in the formulas involved in the present invention adopt the international universal units of measurement.

[0024] The following will be described in conjunction with the accompanying drawings and specific embodiments.

[0025] see figure 1 , figure 1 It is a schematic flow chart of an embodiment of the vehicle coasting energy recovery method of the...

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Abstract

The invention provides a vehicle and a vehicle slide energy recycling method and system. The method includes: acquiring required motor brake torque when a slide energy recycling condition is satisfied; acquiring a battery influence factor; acquiring a vehicle speed influence factor; acquiring maximum motor brake torque; acquiring actual motor brake torque, selecting the smaller one of the required motor brake torque and the maximum motor brake torque, and multiplying the smaller one by the battery influence factor and the vehicle speed influence factor to obtain the actual motor brake torque; driving a motor to operate for energy recycling according to the actual motor brake torque. The v vehicle and the vehicle slide energy recycling method and system have the advantages that overall vehicle mass and current road slope can be detected in real time to adjust the required motor brake torque, compatibility of road slope variation and vehicle mass variation during vehicle energy recycling is achieved, the method is widely applicable, brake stability is increased by adding the current vehicle speed influence factor, and vehicle slide energy recycling safety is increased by adding a fault influence factor.

Description

technical field [0001] The invention relates to the field of new energy vehicles, in particular to a vehicle and a method and system for recovering sliding energy thereof. Background technique [0002] At present, due to the call for energy saving and emission reduction, electric vehicles and electric hybrid vehicles have gradually become the mainstream trend of new energy vehicles. In order to further improve the utilization rate of energy, during the coasting or parking process of the vehicle, the inertia force of the vehicle is used to drive the motor to work in the power generation state to charge the power battery for energy recovery. [0003] In the existing vehicle coasting energy recovery methods, the situation that the vehicle is running under normal conditions is usually considered, and some special circumstances are not considered, such as the continuous change of the vehicle load (such as the quality of the sanitation cleaning vehicle during the operation process...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60W30/18B60W40/13B60W40/076B60W40/105B60W40/00
CPCB60W30/18072B60W30/18127B60W2510/242B60W2520/10B60W2530/10B60W2552/15B60W2710/18
Inventor 陶泽安李伟陈华袁英敏张文蓉
Owner ZOOMLION HEAVY IND CO LTD
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