IP Library › Granted Patent US 11,565,664
Granted Patent B2
US 11,565,664 · App. 16/884,715 · Granted Jan 31, 2023

Regenerative compressor control

Inventors: Robert Dingli (Cupertino, CA); Peter G. Diehl (Shanghai, CN)
Assignee: Pony AI Inc.
B60S1/56B08B3/02B08B5/02B60S1/486B60S1/54G02B27/0006
View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 11,565,664
App. No.
16/884,715
Granted
Jan 31, 2023
Kind
B2
Abstract

An apparatus on a vehicle comprises one or more sensors, one or more nozzles that output fluid to clean the respective one or more sensors, and a compressor that generates fluid such as compressed air. The compressor is in fluid communication with the one or more nozzles. The apparatus further comprises one or more processors, and a memory storing instructions that, when executed by the one or more processors, cause the system to predict a trajectory of the vehicle and control an operation of the compressor based on the predicted trajectory of the vehicle.

Claims (48)

1. An apparatus on a vehicle, comprising:

one or more sensors;

one or more nozzles configured to output a fluid to clean the respective one or more sensors;

a compressor configured to generate the fluid, the compressor being in fluid communication with the one or more nozzles and configured to transfer the fluid to the one or more nozzles; and

a computing system comprising:

one or more processors; and

a memory storing instructions that, when executed by the one or more processors, cause the one or more processors to perform:

predicting a trajectory of the vehicle;

controlling an operation of the compressor based on the predicted trajectory of the vehicle.

2. The apparatus of claim 1 , further comprising:

a reservoir disposed between the compressor and a respective nozzle of the one or more nozzles, the reservoir configured to store an amount of the fluid;

a pressure sensor configured to determine a fluid pressure inside the reservoir;

and wherein:

the instructions further cause the one or more processors to perform:

determining whether a sensor of the one or more sensors is to be cleaned;

in response to determining that the sensor is to be cleaned, and in response to the fluid pressure inside the reservoir satisfying a threshold pressure, expelling a portion of the fluid from a respective nozzle of the nozzles towards the sensor.

3. The apparatus of claim 2 , wherein the determining whether the sensor is to be cleaned further comprises:

determining whether a concentration of one or more foreign substances on the sensor satisfies a threshold concentration; and

in response to determining that the concentration of the one or more foreign substances on the sensor satisfies the threshold concentration, determining that the sensor is to be cleaned.

4. The apparatus of claim 3 , wherein the determining whether the sensor is to be cleaned further comprises:

in response to determining that the concentration of the one or more foreign substances on the sensor fails to satisfy the threshold concentration, determining that the sensor is not to be cleaned; and

the instructions further cause the one or more processors to perform:

in response to determining that the sensor is not to be cleaned, shutting off a flow of the fluid from the nozzle.

5. The apparatus of claim 1 , wherein the controlling the operation of the compressor comprises determining an operating pressure range of the compressor based on the predicted trajectory.

6. The apparatus of claim 5 , further comprising a reservoir disposed between the compressor and a respective nozzle of the one or more nozzles, the reservoir configured to store an amount of the fluid; and wherein the operating pressure range of the compressor comprises a range of pressures inside the reservoir during which the compressor is generating compressed fluid to be diverted to the reservoir.

7. The apparatus of claim 1 , wherein the predicting the trajectory of the vehicle comprises predicting a velocity or an acceleration of the vehicle along a navigation path; and the controlling the operation of the compressor is further based on the predicted velocity or the predicted acceleration.

8. The apparatus of claim 1 , wherein the instructions further cause the one or more processors to perform determining a weather condition; and

the controlling the operation of the compressor is further based on the weather condition.

9. The apparatus of claim 1 , wherein the instructions further cause the one or more processors to perform determining an amount of noise generated independently from the compressor; and

the controlling the operation of the compressor is further based on the amount of noise generated independently from the compressor.

10. The apparatus of claim 1 , wherein the instructions further cause the one or more processors to perform determining an air quality index (AQI) of atmospheric air within a threshold distance of the vehicle; and

the controlling the operation of the compressor is further based on the air quality index (AQI).

11. The apparatus of claim 1 , wherein the controlling the operation of the compressor comprises determining an operating pressure range of the compressor based on an extent of cleaning of the one or more sensors.

12. The apparatus of claim 1 , further comprising reservoirs disposed between the compressor and the nozzles, each of the reservoirs configured to store an amount of the fluid, and an exit pressure or a quality of the fluid is different in at least one of the nozzles.

13. The apparatus of claim 1 , wherein the controlling the operation of the compressor is further based on a rotation speed of a windshield wiper on the vehicle.

14. A method, comprising:

generating, by a compressor of a vehicle, a fluid;

predicting a trajectory of the vehicle;

controlling an operation of the compressor based on the predicted trajectory of the vehicle;

transferring the fluid to one or more nozzles in fluid communication with the compressor; and

outputting, by the one or more nozzles, the fluid to one or more respective sensors to clean the respective one or more sensors.

15. The method of claim 14 , wherein the controlling the operation of the compressor comprises determining an operating pressure range of the compressor based on the predicted trajectory.

16. The method of claim 14 , further comprising determining a weather condition; and wherein the controlling the operation of the compressor is further based on the weather condition.

17. The method of claim 14 , further comprising determining an amount of noise generated independently from the compressor; and wherein the controlling the operation of the compressor is based on the amount of noise generated independently from the compressor.

18. The method of claim 14 , further comprising:

determining an air quality index (AQI) of atmospheric air within a threshold distance of the vehicle; and wherein the controlling the operation of the compressor is further based on the air quality index (AQI).

19. The method of claim 14 , further comprising:

storing the fluid in one or more reservoirs disposed between the compressor and the nozzles, wherein an exit pressure or a quality of the fluid is different in at least one of the nozzles.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 27, 2020
From: DINGLI, ROBERT; DIEHL, PETER G.
To: PONY AI INC.
Reel/Frame 052763/0854 →
Continuity (1)
Related Publication 20210370885A1 · Dec 2, 2021
Cited By (1)
US 12,270,392