Laser scanning control system and method

A laser scanning control system, comprising:

• control equipment including a motion estimator configured to provide estimated motion information based on at least one feedback motion measurement, wherein the control equipment is configured to generate a motion mirror control signal based on the estimated motion information,
• wherein the motion estimator comprises:
• a predictor configured to predict motion information associated with a motion of an oscillating mirror;
• and
• a corrector configured to correct the predicted motion information in order to provide corrected motion information as the estimated motion information.

A laser scanning control system, comprising:

• control equipment configured control a mirror driver and laser driver to perform a coordinated scanning control;
• the mirror driver configured to generate a motion mirror control signal to drive a mirror along desired mirror positions;
• the laser driver configured generate a pulse trigger control signal to cause a generation of laser light pulses to be impinged onto the mirror at the desired mirror positions;
• at least one sensor module configured to provide feedback motion measurements associated with a motion of the mirror;
• and
• a comparer configured to analyze a distance between the feedback motion measurements and a confidence threshold, and trigger an alarm procedure in case of the distance exceeds the confidence threshold.

A light detection and ranging (LIDAR) system, comprising:

• a laser scanning control system;
• and
• a receiving unit configured to perform a ranging on a basis of an obtained light beam,
• wherein the laser scanning control system comprises:
• control equipment configured to perform a coordinated scanning control by controlling a mirror driver and a laser driver;
• the mirror driver configured to generate a motion mirror control signal to drive a mirror along desired mirror positions;
• and
• the laser driver configured generate a pulse trigger control signal to cause a generation of laser light pulses to be impinged onto the mirror at the desired mirror positions,
• wherein the control equipment includes a motion estimator configured to provide estimated motion information based on at least one feedback motion measurement associated with a motion of the mirror, and
• wherein the control equipment is configured to generate the pulse trigger control signal by adapting, to the estimated motion information, a desired scheduling for triggering the laser light pulses.

A method, comprising:

• driving a motion of a mirror according to an oscillatory movement;
• estimating motion information from feedback motion measurements of the mirror;
• generating a pulse trigger control signal by adapting a desired scheduling of laser light pulses to the estimated motion information to cause the generation of the laser light pulses to be impinged onto the mirror at desired mirror positions according to the adapted desired scheduling;
• and
• generating a motion mirror control signal based on the estimated motion information to drive the mirror along the desired mirror positions.

A method for controlling laser scanning, the method comprising:

• driving a motion of a mirror according to an oscillatory movement;
• obtaining feedback motion measurements associated with the motion of the mirror;
• calculating a distance between the feedback motion measurements;
• comparing the distance to a confidence threshold;
• and
• triggering an alarm procedure in case of the distance exceeds the confidence threshold.