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Hill decent control system and control method thereof

A control method and steep slope technology, applied in the field of vehicles, can solve the problems of energy loss, slow response, low efficiency of hydraulic braking system, etc., to improve driving comfort, slow and uniform downhill speed, and fast and accurate motor braking Effect

Inactive Publication Date: 2018-03-20
BYD CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the related art, some steep slope descent systems are developed on the basis of ABS (antilock brake system-brake anti-lock braking system), but the hydraulic brake system has the disadvantages of low efficiency, slow response, high cost, etc. The lowering system requires the hydraulic pump to apply pressure and brake repeatedly, which will inevitably cause energy loss

Method used

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  • Hill decent control system and control method thereof
  • Hill decent control system and control method thereof
  • Hill decent control system and control method thereof

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Embodiment Construction

[0030] Embodiments of the invention are described in detail below, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

[0031] The following describes in detail the steep slope descent system 100 according to an embodiment of the present invention with reference to the accompanying drawings. The steep slope descent system 100 can be applied to a vehicle so that the vehicle travels at a constant speed during the downhill process, thereby improving the vehicle's driving during the downhill process. smoothness.

[0032] The steep slope descent system 100 according to the embodiment of the present invention may include: a plurality of wheels 2, a plurality of wheel speed sensors 10, a plurality of motors 3, a plurality of motor controllers 4, a plurality of resolver sensors 11 and a v...

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Abstract

The invention discloses a hill decent control system and a control method thereof. The hill decent control system includes multiple wheels, multiple wheel speed sensors, multiple motors, multiple motor controllers, multiple rotation change sensors and a whole vehicle control unit. The wheel speed sensors correspond to the wheels; the motors correspond to the wheels and selectively drive and brakethe wheels; the motor controllers are connected with the motors respectively; the rotation change sensors correspond to the motors; the whole vehicle control unit is connected with the wheel speed sensors, the motor controllers and the rotation change sensors respectively. In this way, according to the actual downhill condition of a vehicle, the motors can control the speed of the wheels, so thatthe downhill speed of the vehicle is low and even. Therefore, the driving smoothness in the downhill process of the vehicle can be improved, and the motors can achieve fast and accurate braking.

Description

technical field [0001] The invention relates to the technical field of vehicles, in particular to a steep slope descent system and a control method for the steep slope descent system. Background technique [0002] In the related art, some steep slope descent systems are developed on the basis of ABS (antilock brake system-brake anti-lock braking system), but the hydraulic braking system has the disadvantages of low efficiency, slow response, high cost, etc. The lowering system requires the hydraulic pump to apply pressure and brake repeatedly, which will inevitably cause energy loss. Contents of the invention [0003] The present invention aims to solve one of the technical problems in the related art at least to a certain extent. Therefore, the present invention proposes a steep slope descent system, which can make the vehicle go downhill in a straight line and at a constant speed, and the motor can quickly and accurately brake the wheels. [0004] The present invention...

Claims

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Application Information

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IPC IPC(8): B60T8/1755B60T8/32B60T8/72B60L15/36B60W30/18
CPCB60L15/36B60L2240/22B60L2240/24B60L2240/421B60L2240/423B60L2240/461B60T8/1755B60T8/17551B60T8/32B60T8/72B60W30/18109B60K1/02B60K31/00B60L3/108B60L7/10B60L7/24B60L15/2018B60L2220/42B60L2220/46B60L2240/642B60T2201/04B60W10/08B60W10/18B60W10/188B60W30/02B60W30/143B60W30/18127B60W2510/244B60W2520/10B60W2520/14B60W2520/28B60W2540/18B60W2710/083B60W2710/18B60W2720/14B60W2720/40B60L50/60B60L58/12B60W2540/215Y02T10/64Y02T10/70Y02T10/72Y02T90/16B60K7/0007B60K2007/0092B60W30/18009B60W40/076B60W40/105
Inventor 凌和平孟繁亮石明川熊焱飞陈伟强
Owner BYD CO LTD
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