IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
UP-0495793
(2006-07-28)
|
등록번호 |
US-7728720
(2010-06-22)
|
발명자
/ 주소 |
|
출원인 / 주소 |
|
인용정보 |
피인용 횟수 :
4 인용 특허 :
6 |
초록
▼
A system or method for monitoring a status of a member of a vehicle comprises a member of a vehicle. A set of one or more magnets is secured to the member. A magnetic field sensor is mounted on a vehicle, spaced apart from the member. The magnetic field sensor produces a data signal. A data processo
A system or method for monitoring a status of a member of a vehicle comprises a member of a vehicle. A set of one or more magnets is secured to the member. A magnetic field sensor is mounted on a vehicle, spaced apart from the member. The magnetic field sensor produces a data signal. A data processor receives the data signal from the magnetic field sensor and detects at least one of a deformation or movement of the member with respect to the vehicle.
대표청구항
▼
The invention claimed is: 1. A system for monitoring a status of a member of a vehicle, the system comprising: a member; a set of one or more magnets secured to the member; a magnetic field sensor mounted on a vehicle, spaced apart from the member, and facilitating production of a sensor signal; a
The invention claimed is: 1. A system for monitoring a status of a member of a vehicle, the system comprising: a member; a set of one or more magnets secured to the member; a magnetic field sensor mounted on a vehicle, spaced apart from the member, and facilitating production of a sensor signal; a data processor receiving the sensor signal from the magnetic field sensor and detecting at least one of a movement and present deformation of the member with respect to the vehicle; the member comprises a suspension component with a measured damping response defined in terms of measured amplitude versus time and detectable by the sensor; a storage device storing a reference damping response for the suspension component; and the data processor determining that the suspension member is deficient if the measured attenuation response of the suspension component is deficient with respect to the reference attenuation response in damping rate, frequency, or amplitude. 2. The system according to claim 1 wherein the sensor signal varies based on a corresponding change in a relative position or separation of the sensor with respect the set of magnets on the member. 3. The system according to claim 1 wherein the member comprises a frame of the vehicle or a structural portion of a vehicle of unibody construction. 4. The system according to claim 1 wherein the member comprises an axle of the vehicle. 5. The system according to claim 1 wherein the set of magnets are arranged radially about a central axis to facilitate measuring of a rotational speed of a shaft of the vehicle. 6. The system according to claim 1 further comprising: a storage device associated with the data processor, the storage device storing reference data on at least one of a historical deflection, historical deformation, a historical movement, a historical rotation, a reference deflection, a reference deformation, a reference movement, a reference rotation, an as-designed position of the member with respect to the sensor, and an as-manufactured position of the member with respect to the sensor. 7. The system according to claim 6 wherein the data processor determines that a member is exposed to a greater degree of mechanical stress or loading than desired if the present deflection exceeds the reference deflection. 8. The system according to claim 6 wherein the data processor determines that a member is exposed to a greater degree of mechanical stress or loading than desired if the present rotation exceeds the reference rotation. 9. The system according to claim 1 further comprising: a wireless communications device for communicating an electromagnetic signal; a communications interface associated with the data processor and coupled to the wireless communications device. 10. The system according to claim 1 wherein the magnetic field sensor comprises a sensor selected from the group consisting of a giant magneto resistive sensor and a Hall effect sensor. 11. The system according to claim 1 further comprising: an interface in communication with the data processor; an alert device for alerting an operator of the vehicle of the status of the member based on at least one of a movement and present deformation of the member with respect to the vehicle, the alert device coupled to the interface. 12. A method for monitoring a status of a member of a vehicle, the method comprising: securing a set of one or more magnets to the member; mounting a magnetic field sensor on the vehicle, the magnetic field sensor spaced apart from the member and facilitating production of a sensor signal; detecting at least one of a present deformation and movement of the member with respect to the vehicle based on the sensor signal received from the magnetic field sensor; storing a reference damping response for a suspension component as the member; and determining that the suspension member is deficient if a measured attenuation response of the suspension component during the detecting is deficient with respect to the reference attenuation response in damping rate, frequency, or amplitude. 13. The method according to claim 12 wherein the sensor signal varies based on a corresponding change in a relative position or separation of the sensor with respect the set of magnets on the member. 14. The method according to claim 12 wherein the member comprises a frame of the vehicle or a structural portion of a vehicle of unibody construction. 15. The method according to claim 12 wherein the member comprises an axle of the vehicle. 16. The method according to claim 12 wherein the set of magnets are arranged radially about a central axis to facilitate measuring of a rotational speed of a shaft of the vehicle. 17. The method according to claim 12 further comprising: storing reference data on at least one of a historical deflection, historical deformation, a historical movement, a historical rotation, a reference deflection, a reference deformation, a reference movement, a reference rotation, an as-designed position of the member with respect to the sensor, and an as-manufactured position of the member with respect to the sensor. 18. The method according to claim 17 wherein the detecting further comprises determining that a member is exposed to a greater degree of mechanical stress or loading than desired if the present deflection exceeds the reference deflection. 19. The method according to claim 17 wherein the detecting further comprises determining that a member is exposed to a greater degree of mechanical stress or loading than desired if the present rotation exceeds the reference rotation. 20. The method according to claim 12 further comprising: communicating a need or demand for a replacement component over a communications network. 21. The method according to claim 12 wherein the magnetic field sensor comprises a sensor selected from the group consisting of a giant magneto resistive sensor and a Hall effect sensor. 22. The method according to claim 12 further comprising: alerting an operator of the vehicle of the status of the member based on at least one of a movement and present deformation of the member with respect to the vehicle. 23. A system for monitoring a status of a member of a vehicle, the system comprising: a member; a set of one or more magnets secured to the member; a magnetic field sensor mounted on a vehicle, spaced apart from the member, and facilitating production of a sensor signal; a data processor receiving the sensor signal from the magnetic field sensor and detecting at least one of a movement and present deformation of the member with respect to the vehicle, and determining that the member is exposed to a greater degree of mechanical stress or loading than desired if the present deflection exceeds a reference deflection; and a wireless communication device for sending a message to a remote maintenance system indicating that the member has mechanical stress or more loading than desired. 24. The system of claim 23 wherein the data processor determines that the member is exposed to a greater degree of mechanical stress or loading based on stored data of at least one of i) as-manufactured member motion parameters, and ii) a history of in use motion measurements for the member. 25. The system of claim 23 wherein in response to the message the maintenance system performs at least one of i) orders applicable repair parts, ii) monitors warranty compliance, and iii) predicts a demand for parts. 26. A method for monitoring a status of a member of a vehicle, the method comprising: securing a set of one or more magnets to the member; mounting a magnetic field sensor on the vehicle, the magnetic field sensor spaced apart from the member and facilitating production of a sensor signal; detecting at least one of a present deformation and movement of the member with respect to the vehicle based on the sensor signal received from the magnetic field sensor; determining that the member is exposed to a greater degree of mechanical stress or loading than desired if the present deflection exceeds a reference deflection; and wirelessly sending a message to a remote maintenance system indicating that the member has mechanical stress or more loading than desired. 27. The method of claim 26 wherein the determining is based on stored data of at least one of i) as-manufactured member motion parameters, and ii) a history of in use motion measurements for the member. 28. The method of claim 26 wherein in response to sending the message the maintenance system performs at least one of i) orders applicable repair parts, ii) monitors warranty compliance, and iii) predicts a demand for parts.
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