LiDAR Galvanometer Mirror Zero Position Offset Fault Detection

The system continuously monitors the galvanometer mirror position and compares it against expected values. When a deviation is detected (indicating a shift in zero position), the system generates a fault indication to alert operators. This closed-loop feedback mechanism enables real-time detection of position drift caused by vehicle vibrations, allowing for timely intervention or recalibration.

The patent replaces mechanical vibration isolation or stabilization mechanisms with an electronic detection and indication system. Instead of physically isolating the galvanometer from vibrations through mechanical means, the system uses electronic sensors and processing to detect position changes and generate fault signals, thereby substituting mechanical stabilization with electronic monitoring.

The fault detection system operates continuously during LiDAR operation, constantly monitoring galvanometer mirror position rather than performing periodic checks. This continuous monitoring eliminates idle time between maintenance checks while maintaining high reliability, as the system is actively detecting position shifts at all times during operation.

The system performs self-diagnosis by automatically monitoring its own galvanometer mirror position and generating fault indications when deviations are detected. This self-monitoring capability eliminates the need for external maintenance personnel to perform frequent checks, as the system serves itself by detecting and reporting its own faults in real-time.

The system provides continuous feedback regarding the accuracy of measurements by monitoring galvanometer position. When position shifts occur that would compromise measurement precision, the fault indication system alerts operators, allowing them to address the issue before it affects measurement quality. This feedback loop maintains measurement precision without complicating operation.

The system performs preliminary detection of position shifts before they significantly impact measurement precision. By continuously monitoring and generating early warnings of galvanometer drift, the system allows for corrective action to be taken before measurement accuracy deteriorates, thereby preserving precision while maintaining ease of operation.