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Fault processing method and device of intelligent headlamp system

A system fault and headlight technology, applied in the field of automotive lighting, can solve the problems of untimely fault handling and inaccurate fault location, etc., and achieve the effect of rapid judgment

Active Publication Date: 2014-03-12
CHERY AUTOMOBILE CO LTD
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Problems solved by technology

[0005] Embodiments of the present invention provide a fault handling method and device for an intelligent headlight system, which are used to solve the problems of inaccurate fault location and untimely fault handling of actuators in the existing intelligent headlight system, and realize faults in the intelligent headlight system Accurate positioning and fast processing

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  • Fault processing method and device of intelligent headlamp system

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Embodiment Construction

[0041] In view of the above-mentioned problems existing in the prior art, an embodiment of the present invention provides a solution for fault handling of an intelligent headlight system, so as to realize accurate location and rapid processing of faults in the intelligent headlight system. Embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0042] The intelligent headlight system is mainly composed of the following parts: controller, actuator, sensor, CAN (Controller Area Network, controller area network) bus and various switches. The actuator of the intelligent headlight system uses a stepping motor. The stepping motor can operate in two working modes: full-step and half-step. The full-step operation mode is fast, but the accuracy is not high, and it is suitable for occasions that need to quickly judge faults ; The half-step operation mode has high precision and is suitable for precise operation occasions.

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Abstract

The invention provides a fault processing method and device of an intelligent headlamp system. Before the initialization of the intelligent headlamp system and in an operation process of the system, fault detection and processing are performed respectively, and the actuator fault can be directly detected before the system initialization, thus the actuator fault judgment is quicker, more accurate and simpler so as to avoid the phenomenon that the initialization of the intelligent headlamp system is still performed when the actuator fails, thereby being more humanized.

Description

technical field [0001] The invention belongs to the technical field of automobile lighting, and in particular relates to a fault handling method and device for an intelligent headlight system. Background technique [0002] With the international and domestic concerns about car safety driving, the application of intelligent headlight system is becoming more and more extensive. The smart headlight system is generally driven by an actuator integrated chip. The existing intelligent headlight system fault handling scheme is to judge whether the actuator is faulty during the operation of the intelligent headlight system, classify the faults, and determine whether the fault type of the actuator is a horizontal direction control fault or a vertical direction control fault , and perform corresponding troubleshooting. [0003] However, the existing intelligent headlight system fault handling scheme mainly focuses on the fault handling process after fault detection, and does not elab...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R31/44G05B19/042
Inventor 李娟娟李济林陈军
Owner CHERY AUTOMOBILE CO LTD
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