Method for adjusting vehicle cockpit devices

• US 20040122574A1
• Filed: 12/19/2002
• Published: 06/24/2004
• Est. Priority Date: 12/19/2002
• Status: Active Grant

• Current Assignee: GM Global Technology Operations LLC (General Motors Company)
• Original Assignee: GM Global Technology Operations Incorporated (Motors Liquidation Co. GUC Trust)
• Inventors: Stevenson, Robin, Inman, Robert R., McCall, Clark E.
• Granted Patent: US 6,993,423 B2
• Time in Patent Office: Days
• US Class Current: 701/49
• CPC Class Codes: B60N 2/0248 with memory of positions

Abstract

A method for adjusting a plurality of vehicle cockpit devices via a two-part process that utilizes device position constraints to determine candidate arrangements and then, ultimately, recommended arrangements of the vehicle cockpit devices to determine a desired setting of the various devices. The position constraints are determined using positioning data obtained from an occupant. An exploratory search routine is used to determine the candidate arrangements with the cockpit devices being moved to each candidate arrangement so that the occupant can be queried concerning the desirability of each such arrangement. The occupant'"'"'s responses are then stored for later retrieval. Thereafter, a plurality of recommended arrangements of the cockpit devices are determined using a meta-heuristic pattern search along with a neural network search accelerator that permits screening of each recommended arrangement. The occupant can then select one of the recommended arrangements as a final positioning arrangement of the cockpit devices.

Claims

1. A method for adjusting a plurality of vehicle cockpit devices, comprising the steps of:

(a) determining a plurality of position constraints using positioning data obtained from an occupant;

(b) determining a plurality of candidate arrangements of the cockpit devices that satisfy the position constraints, wherein the cockpit devices are moved to each candidate arrangement and the occupant is queried concerning the desirability of each candidate arrangement, with the occupant'"'"'s responses being stored for later retrieval; and

(c) determining a plurality of recommended arrangements of the cockpit devices using the candidate arrangements and at least some of the occupant'"'"'s responses, wherein the cockpit devices are moved to each recommended arrangement and the occupant is queried concerning the desirability of each recommended arrangement and is able to select one of the recommended arrangements as a final positioning arrangement of the cockpit devices.

2. The method of claim 1, wherein step (a) further comprises obtaining the positioning data from measurements of the occupant.

3. The method of claim 1, wherein step (a) further comprises obtaining the positioning data from initial positioning of the cockpit devices by the occupant.

4. The method of claim 1, wherein step (a) further comprises determining, for each cockpit device, the position constraints using the positioning data and limits of movement for that cockpit device.

5. The method of claim 1, wherein step (b) further comprises determining the candidate arrangements using an exploratory search algorithm.

6. The method of claim 1, wherein step (c) further comprises determining the recommended arrangements using a pattern search algorithm.

7. The method of claim 6, wherein the pattern search algorithm is either a tabu search or a scatter search.

8. The method of claim 6, wherein step (c) further comprises screening out some of the recommended arrangements provided by the pattern search algorithm using a search accelerator.

9. The method of claim 8, wherein the search accelerator uses either a multivariate regression algorithm or a neural network to screen out some of the recommended arrangements.

10. The method of claim 1, wherein the vehicle cockpit devices include a seat, one or more pedals, and a steering wheel.

11. A method for adjusting a plurality of vehicle cockpit devices, comprising the steps of:

(a) obtaining positioning data concerning an occupant;

(b) determining a plurality of position constraints for the vehicle cockpit devices using the positioning data;

(c) performing one or more iterations of (c1) to (c4) using an exploratory search algorithm;

(c1) determining a candidate arrangement of the cockpit devices that satisfies the position constraints;

(c2) moving the cockpit devices to the candidate arrangement;

(c3) querying the occupant concerning the desirability of the candidate arrangement; and

(c4) storing candidate arrangement and the occupant'"'"'s response;

(d) performing one or more iterations of (d1) to (d4) using a pattern search algorithm;

(d1) determining a recommended arrangement of the cockpit devices using data concerning at least some of the stored candidate arrangements and/or other recommended arrangements as well as data concerning one or more of the occupant responses;

(d2) moving the cockpit devices to the recommended arrangement;

(d3) querying the occupant concerning the desirability of the recommended arrangement; and

(d4) storing the recommended arrangement and the occupant'"'"'s response; and

(e) enabling the occupant to identify one of the recommended arrangements as a final positioning of the cockpit devices.

12. The method of claim 11, wherein step (a) further comprises obtaining the positioning data from measurements of the occupant.

13. The method of claim 11, wherein step (a) further comprises obtaining the positioning data from initial positioning of the cockpit devices by the occupant.

14. The method of claim 11, wherein step (b) further comprises determining, for each cockpit device, the position constraints using the positioning data and limits of movement for that cockpit device.

15. The method of claim 11, wherein the exploratory search algorithm uses either a cyclic coordinated method, a Hooke and Jeeves method, or a Rosenbrock method to determine the candidate arrangements.

16. The method of claim 11, wherein the pattern search algorithm is either a tabu search or a scatter search.

17. The method of claim 16, wherein step (d) further comprises screening out some of the recommended arrangements provided by the pattern search algorithm using a search accelerator.

18. The method of claim 17, wherein the search accelerator uses either a multivariate regression algorithm or a neural network to screen out some of the recommended arrangements.

19. The method of claim 11, wherein the vehicle cockpit devices include a seat, one or more pedals, and a steering wheel.