ON-BOARD VEHICLE PATH PREDICTION USING PROCESSED SENSOR INFORMATION

• US 20130238181A1
• Filed: 03/12/2012
• Published: 09/12/2013
• Est. Priority Date: 03/12/2012
• Status: Abandoned Application

• Current Assignee: Toyota Motor Engineering & Manufacturing North America Incorporated (Toyota Motor Corporation)
• Original Assignee: Toyota Motor Engineering & Manufacturing North America Incorporated (Toyota Motor Corporation)
• Inventors: JAMES, Michael Robert
• Application Number:
  US13/417,999
• Publication Number:
  US 20130238181A1
• Time in Patent Office: Days
• US Class Current: 701/23
• CPC Class Codes: B60W 2050/0028 Mathematical models, e.g. for simulation
• CPC Class Codes: B60W 30/0956 the prediction being responsive to traffic or environmental parameters
• CPC Class Codes: B60W 50/0097 Predicting future conditions

Abstract

A driven vehicle receives position data of a subject vehicle nearby the driven vehicle, and associates the position data of the subject vehicle with a driving model. The driving model is updated by incorporating latest position data of the subject vehicle, and a future position of the subject vehicle is predicted using the updated driving model. The predicted future position of the subject vehicle can be transmitted to other processing systems of the driven vehicle, including a collision avoidance or warning system, which provides a driver notification, and an autonomous driving system, which provides vehicle actuation. A determination is made as to whether the position data of the subject vehicle fits a currently stored and available driving model, and generates a new driving model no model fits. The new model is a multi-mode predictive state representation (MMPSR) which marginalizes unknown modes of history.

Claims

1. A processing system of a driven vehicle, comprising:

a receiver configured to receive position data of a subject vehicle which is nearby the driven vehicle;

an association module configured to associate the position data of the subject vehicle with a driving model;

an update module configured to update the driving model by incorporating latest position data of the subject vehicle received by the receiver; and

a prediction module configured to predict a future position of the subject vehicle using the updated driving model.

2. The processing system according to claim 1, further comprising:

a transmitter configured to transmit the predicted future position of the subject vehicle to an other processing system of the driven vehicle.

3. The processing system according to claim 2, wherein the other processing system is a collision avoidance or warning system, which provides a driver notification based on the predicted future position.

4. The processing system according to claim 2, wherein the other processing system is an autonomous driving system, which provides vehicle actuation based on the predicted future position.

5. The processing system according to claim 1, wherein the association module includes circuitry to determine whether the position data of the subject vehicle fits a currently stored and available driving model, and is configured to generate a new driving model for association with the position data of the subject vehicle when no currently available or stored driving model fits the position data of the subject vehicle.

6. The processing system according to claim 5, wherein the new driving model is a multi-mode predictive state representation (MMPSR) which is configured to marginalize unknown modes of history.

7. The processing system according to claim 6, wherein the MMPSR is generated, by the association module, from learning high and low-level component models from a single sequence of observations, and is updated, by the update module, in time-steps to reflect new history of the subject vehicle.

8. The processing system according to claim 1, wherein:

the receiver is configured to receive position data for a plurality of subject vehicles nearby the driven vehicle;

the association module is configured to associate the position data of each of the subject vehicles with one respective driving model;

the update module is configured to update each respective driving model by incorporating latest position data of the respective subject vehicle received by the receiver; and

the prediction module is configured to predict future positions of the subject vehicles using the respective updated driving models.

9. The processing system according to claim 8, wherein the association module includes circuitry to determine whether each position data of each subject vehicle fits a currently stored and available driving model, and is configured to generate new driving models for association with each position data when no currently available or stored driving model fits the position data.

10. The processing system according to claim 1, wherein the position data describes locations and orientations of the subject vehicle, and is obtained through a plurality of sensors of the driven vehicle.

11. The processing system according to claim 1, further comprising:

a central processing unit configured to execute instructions, memory configured to store data, including the position data, and an input/output interface configured to connect to sensor of the driven vehicle.

12. A processing system of a driven vehicle, comprising:

means for receiving position data of a subject vehicle which is nearby the driven vehicle;

means for associating the position data of the subject vehicle with a driving model;

means for updating the driving model by incorporating latest position data of the subject vehicle received by the means for receiving; and

means for predicting a future position of the subject vehicle using the updated driving model.

13. A method for a driven vehicle, comprising:

receiving position data of a subject vehicle which is nearby the driven vehicle;

associating the position data of the subject vehicle with a driving model;

updating the driving model by incorporating latest position data of the subject vehicle received in the receiving; and

predicting a future position of the subject vehicle using the updated driving model.

14. A computer-readable storage medium having stored therein computer-executable instructions, which when executed by a computer, causes the computer to perform the method according to claim 13.