LiDAR system

Patent metadata

Field	Value
Publication number	US-11604258-B2
Application number	US-202016746185-A
Country	US
Kind code	B2
Filing date	Jan 17, 2020
Priority date	Jan 17, 2020
Publication date	Mar 14, 2023
Grant date	Mar 14, 2023

Abstract

A system including a light detection and ranging (LiDAR) sensor is arranged to monitor a field of view, and includes a LiDAR sensor and a linear resonant actuator. The LiDAR sensor includes a first portion including a laser array and a detector array, and a second portion including a transmitting lens and a receiving lens. The linear resonant actuator is arranged to oscillate one of the first portion or the second portion of the LiDAR sensor.

First claim

What is claimed is:

1. A light detection and ranging (LiDAR) system arranged to monitor a field of view, comprising:
a LiDAR sensor including a first portion including a laser array and a detector array, and a second portion including a transmitting lens and a receiving lens; and
a linear resonant actuator;
wherein the linear resonant actuator includes a first linear resonant actuator and a second linear resonant actuator;
wherein the first linear resonant actuator is arranged to oscillate the first portion including the laser array and the detector array of the LiDAR sensor in a lateral direction; and
wherein the second linear resonant actuator is arranged to oscillate the second portion including the transmitting lens and the receiving lens in an attitudinal direction.

2. The system of claim 1 , wherein the linear resonant actuator is arranged to mechanically laterally oscillate one of the first portion or the second portion of the LiDAR sensor.

3. The system of claim 2 , wherein the linear resonant actuator is arranged to mechanically laterally oscillate the first portion of the LiDAR sensor including the laser array and the detector array.

4. The system of claim 3 , further comprising a mounting frame and a position sensor, wherein the position sensor is arranged to monitor a lateral position of the first portion of the LiDAR sensor in relation to the mounting frame.

5. The system of claim 2 , wherein the linear resonant actuator is arranged to mechanically laterally oscillate the second portion of the LiDAR sensor including the transmitting lens and the receiving lens.

6. The system of claim 5 , further comprising a mounting frame and a position sensor, wherein the position sensor is arranged to monitor a lateral position of the second portion of the LiDAR sensor in relation to the mounting frame.

7. The system of claim 1 , further comprising a slide bearing, wherein the one of the first portion or the second portion of the LiDAR sensor is disposed on the slide bearing.

8. The system of claim 1 , wherein the LiDAR sensor is arranged to monitor the field of view in a longitudinal direction and an attitudinal direction proximal to the LiDAR sensor; and wherein the linear resonant actuator is arranged to mechanically oscillate one of the first portion or the second portion of the LiDAR sensor in a lateral direction that is orthogonal to the longitudinal direction and the attitudinal direction.

9. The system of claim 1 , wherein the LiDAR sensor is arranged to monitor the field of view in a longitudinal direction and an attitudinal direction; and wherein the resonant actuator is arranged to oscillate the first portion of the LiDAR sensor in a lateral direction and an attitudinal direction.

10. A vehicle system, comprising:
a light detection and ranging (LiDAR) sensor arranged to monitor a field of view proximal to the vehicle, wherein the LiDAR sensor includes a first portion including a laser array and a detector array, and a second portion including a transmitting lens and a receiving lens;
a mounting frame;
a linear resonant actuator; and
a linear micromotion slide device;
wherein one of the first portion or the second portion of the LiDAR sensor is disposed on the linear micromotion slide device;
wherein the linear resonant actuator includes a first linear resonant actuator and a second linear resonant actuator;
wherein the first linear resonant actuator is arranged to oscillate the first portion including the laser array and the detector array of the LiDAR sensor in a lateral direction; and
wherein the second linear resonant actuator is arranged to oscillate the second portion including the transmitting lens and the receiving lens in an attitudinal direction.

11. The system of claim 10 , wherein the first portion of the LiDAR sensor including the laser array and the detector array is disposed on the linear micromotion slide device, and wherein the linear resonant actuator is arranged to mechanically oscillate the first portion of the LiDAR sensor including the laser array and the detector array.

12. The system of claim 10 , wherein the second portion of the LiDAR sensor including the transmitting lens and the receiving lens is disposed on the linear micromotion slide device, and wherein the linear resonant actuator is arranged to mechanically oscillate the second portion of the LiDAR sensor including the transmitting lens and the receiving lens.

13. The system of claim 10 , wherein the LiDAR sensor is arranged to monitor the field of view in a longitudinal direction and an attitudinal direction proximal to the LiDAR sensor; and wherein the linear resonant actuator is arranged to mechanically oscillate one of the first portion or the second portion of the LiDAR sensor in a lateral direction that is orthogonal to the longitudinal direction and the attitudinal direction.

14. The system of claim 10 , wherein the light detection and ranging (LiDAR) sensor arranged to monitor a field of view proximal to the vehicle comprises the LiDAR sensor arranged to monitor the field of view that is forward of the vehicle.

15. A light detection and ranging (LiDAR) system arranged to monitor a field of view, comprising:
a LiDAR sensor including a first portion including a single laser and a single detector, and a second portion including a transmitting lens and a receiving lens; and
a linear resonant actuator;
wherein the linear resonant actuator includes a first linear resonant actuator and a second linear resonant actuator;
wherein the first linear resonant actuator is arranged to oscillate the first portion including the laser array and the detector array of the LiDAR sensor in a lateral direction; and
wherein the second linear resonant actuator is arranged to oscillate the second portion including the transmitting lens and the receiving lens in an attitudinal direction.

16. The LiDAR system of claim 15 , wherein the linear resonant actuator is arranged to mechanically laterally oscillate the first portion of the LiDAR sensor including the single laser and the single detector.

17. The LiDAR system of claim 15 , wherein the linear resonant actuator is arranged to mechanically laterally oscillate the second portion of the LiDAR sensor including the transmitting lens and the receiving lens.

18. The LiDAR system of claim 15 , wherein the LiDAR sensor is arranged to monitor the field of view in a longitudinal direction and an attitudinal direction proximal to the LiDAR sensor; and wherein the linear resonant actuator is arranged to mechanically oscillate one of the first portion or the second portion of the LiDAR sensor in a lateral direction that is orthogonal to the longitudinal direction and the attitudinal direction.

Assignees

• Gm Global Tech Operations Llc

Inventors

• Hart Nathaniel W
• Clem Michelle M
• Wright Adam L
• Philipp Tzvi

Classifications

• G01S7/48

  of systems according to group G01S17/00 · CPC title

• G01S17/10

  using transmission of interrupted, pulse-modulated waves (determination of distance by phase measurements G01S17/32) · CPC title

• G01S7/4817

  relating to scanning · CPC title

• G01S7/4816

  of receivers alone · CPC title

• G01S17/931 Primary

  of land vehicles · CPC title