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Double-source double-winding motor steer-by-wire system and fault-tolerant control method thereof

A steering system, double winding technology, applied in the direction of automatic steering control components, electric steering mechanism, steering mechanism, etc., can solve problems such as the reliability of motor utilization, response speed and reliability of difficult steering systems

Active Publication Date: 2020-04-21
NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] Aiming at the deficiencies of the above-mentioned prior art, the purpose of the present invention is to provide a dual-source dual-winding motor steer-by-wire system and its fault-tolerant control method to solve the problem that it is difficult to achieve a high motor utilization rate of the steering system in the prior art. The integration and unification of fast response speed, high reliability and other performance

Method used

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  • Double-source double-winding motor steer-by-wire system and fault-tolerant control method thereof
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  • Double-source double-winding motor steer-by-wire system and fault-tolerant control method thereof

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Embodiment Construction

[0079] In order to facilitate the understanding of those skilled in the art, the present invention will be further described below in conjunction with the embodiments and accompanying drawings, and the contents mentioned in the embodiments are not intended to limit the present invention.

[0080] refer to figure 1 , figure 2 As shown, a dual-source dual-winding motor steer-by-wire system of the present invention includes: a steering wheel 1, a steering column assembly, a road sense assembly, a dual-winding motor steering actuator, a power fault-tolerant device 24, and a main controller 26 and electromagnetic clutch 6; wherein,

[0081] The steering wheel is connected to a steering column assembly, which includes: a rotation angle sensor 2, a first steering column 3 and a first torque sensor 4; the force input by the steering wheel acts on the road through the first steering column 3. On the sensor assembly, the first torque sensor 4 and the rotation angle sensor 2 are respe...

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Abstract

The invention discloses a double-source double-winding motor steer-by-wire system and a fault-tolerant control method thereof. The double-source double-winding motor steer-by-wire system comprises a steering wheel, a steering column assembly, a road sensing assembly, a double-winding motor steering execution device, a power source fault-tolerant device, a main controller and an electromagnetic clutch; the double-source double-winding motor steer-by-wire system has dual hardware redundancy functions of a motor winding and a power supply, and when one winding breaks down, the other winding can complete the steering action under the drive of a power supply; when one power supply fails, the other power supply drives the winding to complete the steering action; when both the winding and the power supply fail, the steering action can still be completed through mechanical steering; and the vehicle is prevented from completely losing the steering capability due to power supply or winding faults, and the vehicle steering safety is enhanced.

Description

technical field [0001] The invention belongs to the technical field of automobile steering systems, and specifically refers to a dual-source dual-winding motor-by-wire steering system and a fault-tolerant control method thereof. Background technique [0002] With the frequent occurrence of traffic accidents, people pay more and more attention to the driving safety of automobiles, and the steering system is very important to the driving safety of automobiles; the existing steering system is usually designed redundantly to improve the reliability of the steering system, and then Improve the driving safety of the car. [0003] In the existing dual-winding motor hydraulic power steering technology, the Chinese invention patent application number is CN201510946353.5, which discloses a dual-source electro-hydraulic power steering system and its control method. A set of high-voltage windings and a set of low-voltage windings are installed in the steering motor. winding, when the h...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B62D5/04B62D6/00B62D119/00B62D137/00H02K7/108
CPCB62D5/04B62D5/0487B62D6/008H02K7/1085
Inventor 赵万忠周长志周小川高犇章波
Owner NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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