Claims
- 1. A vehicle data collection system comprising:
- (a) wheel module means mounted on a vehicle wheel inside a tire mounted on said wheel including;
- i. a plurality of sensors each sensing a different vehicle operating parameter to provide an analog data signal representing said parameter;
- ii. means for digitizing said data signals;
- iii. microprocessing means connected to receive said digitized data signals and to encode such signals for transmission; said microprocessor responsive to the receipt of digitized data signals corresponding to a sensed parameter for;
- 1. averaging a plurality of successive digitized data signals corresponding to said sensed parameter and storing said average;
- 2. averaging a second plurality of successive digitized data signals corresponding to said sensed parameter and storing said average;
- 3. averaging said first and second stored averages;
- 4. comparing said first and second stored averages to detect any change in said sensed parameter;
- 5. scheduling transmission of said data at predetermined intervals;
- 6. reducing said predetermined interval if said change in said sensed parameter is greater than a predetermined percentage change;
- iv. a transmitter connected to receive encoded signals from said microprocessor and to transmit said encoded signals;
- (b) receiving means in said vehicle positioned remote from said wheel module for receiving said encoded data signals transmitted from said wheel modules;
- (c) computer means, connected to said receiving means, for receiving said data signals; and
- (d) display means connected to said computer for displaying said data.
- 2. The combination set forth in claim 1 wherein said sensed parameters include tire pressure and wheel temperature.
- 3. The combination set forth in claim 1 wherein said sensed parameters include axial and radial wheel acceleration.
- 4. The combination set forth in claim 1 wherein said sensed parameters include wheel vibration.
- 5. The combination set forth in claim 1 wherein said sensed parameters include infrared sensed tire temperature.
- 6. The combination set forth in claim 1 wherein said sensed parameters include sound.
- 7. A method of gathering vehicle data comprising;
- (a) sensing selected vehicle operating parameters from within a vehicle tire mounted on a wheel on said vehicle;
- (b) digitizing said data within said vehicle tire and transmitting, at predetermined intervals, said data outside said vehicle tire;
- (c) reducing said predetermined intervals if the sensed operating parameter changes by predetermined percentage;
- (d) receiving said data at a location remote from said vehicle tire;
- (e) comparing said data to predetermined limits for each of said selected vehicle operating parameters;
- (f) displaying said data; and
- (g) energizing an alarm if said data is outside a corresponding predetermined limit for any of said selected vehicle operating parameters.
- 8. The method of claim 7 wherein said selected vehicle operating parameters include tire pressure and wheel temperature.
- 9. The method of claim 7 wherein said vehicle operating parameters include axial and radial wheel acceleration.
- 10. The method of claim 7 wherein said selected vehicle operating parameters include wheel vibration.
- 11. The method of claim 7 wherein said selected vehicle operating parameters include infrared sensed tire temperature.
- 12. The method of claim 7 wherein said selected vehicle operating parameters include sound.
- 13. A method of collecting vehicle data comprising:
- (a) sensing a plurality of selected vehicle operating parameters from within a vehicle tire mounted on a wheel on said vehicle;
- (b) digitizing said data;
- (c) averaging a first plurality of successive digitized data signals corresponding to a sensed parameter and storing said average;
- (d) averaging a second plurality of successive digitized data signals corresponding to said sensed parameter and storing said average;
- (e) averaging said first and second stored averages;
- (f) comparing the first and second stored averages to detect any change in said sensed parameter;
- (g) scheduling transmission of said data at predetermined intervals;
- (h) reducing said predetermined interval if any such change in said sensed parameter is greater than a predetermined percentage change;
- (i) transmitting said average of averages;
- (j) receiving said data at a location remote from said vehicle tire;
- (k) comparing said data to predetermined limits for each of said selected vehicle operating parameters; and
- (l) energizing an alarm if said data is outside of a corresponding predetermined limit for any of said selected vehicle operating parameters.
- 14. The method of claim 13 wherein said selected vehicle operating parameters include wheel temperature and tire pressure.
- 15. The method of claim 13 wherein said selected vehicle operating parameters include axial and radial wheel acceleration.
- 16. The method of claim 13 wherein said selected vehicle operating parameters include wheel vibration.
- 17. The method of claim 13 wherein said selected vehicle operating parameters include infrared sensed tire temperature.
- 18. The method of claim 13 wherein said selected vehicle operating parameters include sound.
- 19. A vehicle data collection system comprising:
- (a) wheel module means mounted on a vehicle wheel including:
- (i) a plurality of sensors each for sensing a different one of selected vehicle operating parameters;
- (ii) digitizing means for digitizing data collected by said sensors;
- (iii) transmission means for transmitting said digitized data at predetermined intervals;
- (iv) an interval reducing means for reducing said predetermined intervals if the sensed operating parameter changes by a predetermined percentage;
- (b) receiving means in said vehicle mounted remote from said wheel module for receiving data transmitted from said wheel module;
- (c) a computer means, connected to said receiving means for receiving said data, said computer means comparing each of said different one of said plurality of operating data to a corresponding plurality of predetermined limits respectively for said data;
- (d) display means connected to said computer for displaying said data to an operator and for presenting an alarm when any of said plurality of data is outside a corresponding predetermined limit.
- 20. The combination set forth in claim 19 wherein said parameters include tire pressure and wheel temperature.
- 21. The combination set forth in claim 19 wherein said parameters include axial and radial wheel acceleration.
- 22. The combination set forth in claim 19 wherein said parameters include wheel vibration.
- 23. The combination set forth in claim 19 wherein said parameters include infrared sensed tire temperature.
- 24. The combination set forth in claim 19 wherein said parameters include sound.
- 25. A vehicle data collection system comprising:
- (a) wheel module means mounted on a vehicle wheel including:
- (i) a plurality of sensors each for sensing a different one of selected vehicle operating parameters;
- (ii) digitizing means for digitizing data collected by said sensors;
- (iii) transmission means for transmitting said digitized data at predetermined intervals;
- (iv) a interval reducing means for reducing said predetermined intervals if the sensed operating parameter changes by a predetermined percentage;
- (b) receiving means in said vehicle mounted remote from said wheel module for receiving data transmitted from said wheel module;
- (c) a computer means, connected to said receiving means for receiving said data and comparing the data to both predetermined efficiency limits with respect to each sensed operating parameter and to predetermined safety limits for each of said operating parameters;
- (d) display means connected to said computer for displaying said data to an operator and for presenting an alarm when any of said plurality of data is outside of said predetermined efficiency limits or outside of said predetermined safety limits.
- 26. The combination set forth in claim 25 wherein said parameters include tire pressure and wheel temperature.
- 27. The combination set forth in claim 25 wherein said parameters include axial and radial wheel acceleration.
- 28. The combination set forth in claim 25 wherein said parameters include wheel vibration.
- 29. The combination set forth in claim 25 wherein said parameters include infrared sensed tire temperature.
- 30. The combination set forth in claim 25 wherein said parameters include sound.
- 31. A vehicle data collection system comprising:
- (a) wheel module means mounted on a vehicle wheel inside a tire mounted on said wheel including:
- (i) a plurality of sensors each for sensing a different one of selected vehicle operating parameters;
- (ii) digitizing means for digitizing data collected by said sensors;
- (iii) transmission means for transmitting said digitized data at predetermined intervals;
- (iv) a interval reducing means for reducing said predetermined intervals if the sensed operating parameter changes by a predetermined percentage;
- (b) receiving means in said vehicle mounted remote from said wheel module for receiving data transmitted from said wheel module;
- (c) a computer means, connected to said receiving means for receiving said data, said computer means comparing each of said different one of said plurality of operating data to a corresponding plurality of predetermined limits respectively for said data;
- (d) display means connected to said computer for displaying said data to an operator and for presenting an alarm when any of said plurality of data is outside a corresponding predetermined limit.
- 32. The combination set forth in claim 31 wherein said parameters include tire pressure and wheel temperature.
- 33. The combination set forth in claim 31 wherein said parameters include axial and radial wheel acceleration.
- 34. The combination set forth in claim 31 wherein said parameters include wheel vibration.
- 35. The combination set forth in claim 31 wherein said parameters include infrared sensed tire temperature.
- 36. The combination set forth in claim 31 wherein said parameters include sound.
REFERENCE TO RELATED APPLICATION
The present application is a continuation-in-part of co-pending application Ser. No. 08/436,167 entitled "TIRE MONITOR" filed May 8, 1995, now U.S. Pat. No. 5,656,993, and assigned to the assignee of the present application. Reference is also made to co-pending application Ser. No. 08/417,514 filed Apr. 3, 1995 now abandoned, and assigned to the assignee of the present invention the contents of which are incorporated herein by reference.
US Referenced Citations (6)
Continuation in Parts (1)
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Number |
Date |
Country |
Parent |
436167 |
May 1995 |
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