Method and apparatus for wireless information transfer in vehicle service systems

• US 6,754,562 B2
• Filed: 06/13/2001
• Issued: 06/22/2004
• Est. Priority Date: 06/13/2001
• Status: Active Grant

• Current Assignee: Hunter Engineering Company
• Original Assignee: Hunter Engineering Company
• Inventors: Strege, Timothy A., Voeller, David A.
• Primary Examiner(s): Picard, Leo
• Assistant Examiner(s): Kasenge, Charles R
• Application Number:
  US09/880,571
• Publication Number:
  US 20020193910A1
• Time in Patent Office: 1,105 Days
• Field of Search: 700/279, 356/139.09, 356/155, 280/86.75, 305/116, 332/88
• US Class Current: 700/279
• CPC Class Codes: G05B 23/0221 Preprocessing measurements, e.g. data collection rate adjustment; Standardization of measurements; Time series or signal analysis, e.g. frequency analysis or wavelets; Trustworthiness of measurements; Indexes therefor; Measurements using easily measured parameters to estimate parameters difficult to measure; Virtual sensor creation; De-noising; Sensor fusion; Unconventional preprocessing inherently present in specific fault detection methods like PCA-based methods

Abstract

A vehicle service system wherein a computer is configured for active wireless communication over a wireless micro-network with any of a variety of similarly configured external components and devices brought into proximity with the computer, including, but not limited to, sensors, input and output devices, mobile computers, onboard vehicle computers, and other vehicle service equipment.

Claims

1. An improved vehicle wheel alignment system having a computing device, an associated display, and at least one vehicle wheel alignment sensor configured for communication with the computing device for communicating wheel alignment data, said improvement comprising:

a first transceiver unit associated with said computing device;

at least one additional transceiver unit associated with at least one external device located in proximity to said first transceiver unit; and

wherein said first transceiver unit is configured to establish an active bi-directional wireless communications link with said at least one additional transceiver unit, said established wireless communications link comprising at least a portion of an adaptable wireless communications network; and

wherein said computing device and said at least one external device are each configured to initiate communication and information exchange over said established wireless communications link.

2. The improved vehicle wheel alignment system of claim 1 wherein said first transceiver unit is further configured to automatically identify the presence of said additional transceiver unit upon said additional transceiver unit positioned within proximity to said first transceiver unit;

and to subsequently establish said active bi-directional communication link.

3. The improved vehicle wheel alignment system of claim 1 wherein said computing device and said first transceiver unit are configured to utilize the Bluetooth wireless communications protocol;

and

said adaptable wireless communications network comprises a Bluetooth network.

4. The improved vehicle wheel alignment system of claim 1 wherein said computing device and said first transceiver unit are configured to utilize the Wireless Fidelity wireless communications protocol;

and

said adaptable wireless communications network comprises a Wireless Fidelity network.

5. The improved vehicle wheel alignment system of claim 1 wherein said computing device and said first transceiver unit are configured to utilize the HomeRF wireless communications protocol;

and

said adaptable wireless communications network comprises a HomeRE network.

6. The improved vehicle wheel alignment system of claim 1 wherein said external device associated with said at least one additional transceiver unit is not a vehicle wheel alignment sensing device.

7. The improved vehicle wheel alignment system of claim 1 wherein said at least one additional transceiver unit is associated with said at least one vehicle wheel alignment sensor;

and

wherein said vehicle wheel alignment sensor is configured to communicate with said computing device via said wireless communications network.

8. The improved vehicle service system of claim 1 wherein said computing device is configured to receive information over said wireless communications link associated with at least one vehicle undergoing a vehicle service procedure in proximity to said improved vehicle wheel alignment system.

9. The improved vehicle service system of claim 8 wherein said information is representative of a current measurement of at least one of the following vehicle parameters:

braking pressure, wheel turning information, ride-height information, engine status, power steering status, tire pressure, wheel toe angle;

wheel camber angle;

wheel caster angle;

wheel SAI angle;

steering wheel position;

anti-lock brake information;

accelerometer information;

wheel braking force;

vehicle wheel speed;

or vehicle brake pedal pressure.

10. The improved vehicle service system of claim 8 wherein said information includes predetermined vehicle specifications.

16. The improved vehicle wheel alignment system of claim 1 wherein said external device is a portable computing device.

17. The improved vehicle wheel alignment system of claim 1 wherein said external device is a vehicle parts inventory system.

18. The improved vehicle wheel alignment system of claim 1 wherein said external device is a vehicle service shop management system.

19. The improved vehicle wheel alignment system of claim 1 wherein said external device is an automotive lift rack.

11. An improved vehicle service system having a computing device, an associated display, and at least one sensor configured for communication with the computing device for communicating vehicle data, said improvement comprising:

a transceiver unit associated with said computing device, said transceiver configured to establish an active bi-directional wireless communications link between said computing device and a vehicle computer associated with a vehicle in proximity to said improved vehicle service system; and

wherein said computing device is configured to utilize said wireless communications network to receive data from said vehicle computer, and to store updated data in an onboard memory of said vehicle electronic control module computer.

12. The improved vehicle service system of claim 11 wherein said updated data includes one or more current vehicle measurements.

13. A method for transferring information in a vehicle wheel alignment system in communication with a wireless network, comprising:

identifying, on said wireless network, a vehicle computer integrated with a vehicle in proximity to said vehicle wheel alignment system; and

transferring, on said wireless network, information from said vehicle computer to said vehicle wheel alignment system in response to one or more requests for information from said vehicle wheel alignment system.

14. A method for transferring information in a vehicle wheel alignment system in communication with a wireless network, comprising:

identifying, on said wireless network, a vehicle computer associated with a vehicle in proximity to said vehicle wheel alignment system;

transferring, on said wireless network, information from said vehicle computer to said vehicle wheel alignment system in response to one or more requests for information from said vehicle wheel alignment system;

performing, with said vehicle wheel alignment system, one or more service procedures on said identified automotive vehicle;

transferring, on said wireless network, information from said vehicle wheel alignment system to said vehicle computer subsequent to a completion of said one or more service procedures on said identified automotive vehicle; and

storing said information in said vehicle computer.

15. The method of claim 14 for transferring information in a vehicle wheel alignment system further comprising the step of:

operatively coupling said vehicle computer to at least one removable transceiver configured for wireless communication with said wireless network prior to identifying said vehicle computer on said wireless network.

20. A vehicle wheel alignment system including a computing device, a display, and at least one wheel alignment sensor configured to communicate wheel alignment information to the computing device, comprising:

a wireless transceiver operatively coupled to said computing device, said wireless transceiver configured to identify, on a wireless communications network, a vehicle computer of an automotive vehicle in proximity to said vehicle wheel alignment system; and

wherein the computing device is configured to utilize said wireless transceiver to communicate, via said wireless network, with said identified vehicle computer.