A steering wheel diagnosis and detection method and system
CN115817624BActive Publication Date: 2026-06-23均胜均安汽车电子(上海)有限公司
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- 均胜均安汽车电子(上海)有限公司
- Filing Date
- 2022-12-26
- Publication Date
- 2026-06-23
AI Technical Summary
Technical Problem
In traditional steering wheel structures, the metal frame interferes with changes in the electrical signal of the hands-off detection function, leading to inaccurate detection results and affecting driving safety.
Method used
Diagnostic and grounding nodes are set on the steering wheel frame. By acquiring and analyzing circuit signal data, the frame signal status is determined, the influence of faults is eliminated, and the detection accuracy is improved.
Benefits of technology
By diagnosing and detecting the circuit signal status of the steering wheel frame, the accuracy of hands-off detection is improved, driving safety is enhanced, and interference from external factors is reduced.
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Smart Images
Figure CN115817624B_ABST
Abstract
The application provides a steering wheel diagnosis and detection method and system, and relates to the technical field of automobiles.The steering wheel diagnosis and detection method comprises the following steps: based on a diagnosis node connected to a steering wheel framework, acquiring circuit signal data of the steering wheel framework; and performing diagnosis processing according to the circuit signal data to determine the steering wheel framework signal state; wherein the diagnosis node is connected to one end of the steering wheel framework, the first end of the steering wheel framework is connected to a power supply end through a first resistor, a grounding node is connected to the other end of the steering wheel framework, the grounding node is grounded through a second resistor, and the steering wheel framework signal state comprises a framework normal loop state, a framework loop open circuit state, a framework ground short circuit state, a framework power supply short circuit state and a framework voltage abnormal state.The steering wheel diagnosis and detection scheme provided by the application can improve the off-hand detection accuracy and thus improve the driving safety.
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