Power aware techniques for energy harvesting remote sensor system
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B60Q-001/00
출원번호
US-0331908
(2008-12-10)
등록번호
US-8098143
(2012-01-17)
발명자
/ 주소
Andarawis, Emad
Berkcan, Ertugrul
Sealing, C. Scott
Wojnarowski, Robert
Delgado, Eladio
Coulter, Richard H.
출원인 / 주소
Lockheed Martin Corporation
대리인 / 주소
Bracewell & Giuliani LLP
인용정보
피인용 횟수 :
9인용 특허 :
16
초록▼
A distributed monitoring system for monitoring one or more operating conditions of a structure includes: one or more sensor nodes coupled to the structure, each sensor node including: a power supply adapted to scavenge energy directed at the power supply; a sensor operably coupled to the power suppl
A distributed monitoring system for monitoring one or more operating conditions of a structure includes: one or more sensor nodes coupled to the structure, each sensor node including: a power supply adapted to scavenge energy directed at the power supply; a sensor operably coupled to the power supply for sensing one or more operating conditions of the structure in the environment; and a communications interface operably coupled to the power supply and the sensor for communicating the sensed operating conditions of the structure; a communication network operably coupled to the sensor nodes; one or more controllers operably coupled to the communication network for monitoring the sensor nodes; and an energy radiator positioned proximate the structure adapted to radiate energy at the power supplies of the sensor nodes.
대표청구항▼
1. A distributed monitoring system for monitoring one or more operating conditions of a structure, comprising: one or more sensor nodes coupled to the structure, each sensor node comprising: a power supply adapted to scavenge energy directed at the power supply;a sensor operably coupled to the power
1. A distributed monitoring system for monitoring one or more operating conditions of a structure, comprising: one or more sensor nodes coupled to the structure, each sensor node comprising: a power supply adapted to scavenge energy directed at the power supply;a sensor operably coupled to the power supply for sensing one or more operating conditions of the structure in the environment; anda communications interface operably coupled to the power supply and the sensor for communicating the sensed operating conditions of the structure;a communication network operably coupled to the sensor nodes;one or more controllers operably coupled to the communication network for monitoring the sensor nodes; andan energy radiator positioned proximate the structure adapted to radiate energy at the power supplies of the sensor nodes;wherein one or more of the sensor nodes comprise a memory operably coupled to the sensor; andwherein the memory comprises at least one stable latched operational state of the sensor. 2. The system of claim 1, wherein one or more of the sensor nodes comprise a rechargeable battery operably coupled to the power supply. 3. The system of claim 1, wherein the sensor of one or more of the sensor nodes comprises at least one stable latched operating state representative of a corresponding measurement value of an operating condition. 4. The system of claim 3, wherein said stable latched operating state remains unchanged until reset by one or more of the controllers. 5. The system of claim 3, wherein the sensor of one or more of the sensor nodes comprises one or more of: an electrical device, a mechanical device, a chemical device, and an electro-mechanical device, that comprises at least one stable latched operating state representative of a corresponding measurement value of an operating condition. 6. The system of claim 3, wherein the sensor of one or more of the sensor nodes is adapted to change to a stable latched operating state of the sensor using energy provided by the operating condition measured by the sensor. 7. The system of claim 1, wherein the energy radiator and one or more of the controllers are positioned proximate the structure. 8. The system of claim 7, wherein the energy radiator and one or more of the controllers are positioned within a common housing. 9. The system of claim 1, wherein the energy radiator comprises a radiator of one or more of the following: radiofrequency energy, optical energy, and thermal energy. 10. The system of claim 1, wherein the structure comprises an aircraft. 11. A distributed monitoring system for monitoring one or more operating conditions of a structure, comprising: one or more sensor nodes coupled to the structure, each sensor node comprising: a power supply adapted to scavenge energy directed at the power supply;a sensor operably coupled to the power supply for sensing one or more operating conditions of the structure in the environment; anda communications interface operably coupled to the power supply and the sensor for communicating the sensed operating conditions of the structure;a communication network operably coupled to the sensor nodes;one or more controllers operably coupled to the communication network for monitoring the sensor nodes; andan energy radiator positioned proximate the structure adapted to radiate energy at the power supplies of the sensor nodes;wherein the power supply of one or more of the sensor nodes is adapted to scavenge enough directed energy to permit the sensor of the corresponding sensor node to sense one or more operating conditions and reset an operating state of the sensor of the corresponding sensor node. 12. The system of claim 11, wherein the power supply of one or more of the sensor nodes is adapted to scavenge enough directed energy to permit the sensor of the corresponding sensor node to sense one or more operating conditions and provides power to enable to reset an operating state of the sensor of the corresponding sensor node as directed by one or more of the controllers. 13. A method of operating a system for monitoring one or more operating conditions of a structure, comprising: providing sensor nodes at locations around the structure for sensing operating conditions of the structure;directing radiated energy at one or more of the sensor nodes;scavenging the radiated energy at one or more of the sensor nodes; andusing the scavenged energy at one or more of the sensor nodes to transmit sensed operating conditions from one or more of the sensor nodes;andusing the scavenged energy at one or more of the sensor nodes to reset an operating condition of a sensor of one or more of the sensor nodes. 14. The method of claim 13, wherein one or more of the sensor nodes store a measurement of one or more sensed operating conditions. 15. The method of claim 14, wherein using the scavenged energy at one or more of the sensor nodes to transmit sensed operating conditions from one or more of the sensor node locations comprises using the scavenged energy at one or more of the sensor nodes to transmit the stored sensed operating conditions. 16. The method of claim 14, wherein using the scavenged energy at one or more of the sensor nodes to transmit sensed operating conditions from one or more of the sensor node locations comprises using the scavenged energy at one or more of the sensor nodes to transmit the stored sensed operating conditions and reset an operating condition of a sensor of one or more of the sensor nodes. 17. The method of claim 13, wherein the structure comprises an aircraft. 18. The method of claim 13, wherein one or more of the sensor nodes use energy associated with the sensed operating condition to store a measurement of the sensed operating condition. 19. A sensor node for use in a distributed monitoring system for monitoring one or more operating conditions of a structure, comprising: a power supply;a sensor operably coupled to the power supply for sensing one or more operating conditions of the structure in the immediate environment;a communications interface operably coupled to the power supply and the sensor for communicating the sensed operating conditions of the structure; anda controller operably coupled to the power supply, the sensor, and the communications interface;wherein the sensor comprises one or more stable latched operating states that are each reflective of a corresponding value of one or more operating conditions. 20. The sensor node of claim 19, wherein the power supply comprises a rechargeable battery for storing energy provided by the power supply. 21. The sensor node of claim 20, wherein the sensor is adapted to use energy associated with the sensed operating condition to store the sensed operating condition. 22. A distributed monitoring system for monitoring one or more operating conditions of a structure, comprising: one or more sensor nodes coupled to the structure, each sensor node comprising: a power supply adapted to scavenge energy directed at the power supply;a sensor operably coupled to the power supply for sensing one or more operating conditions of the structure in the environment; anda communications interface operably coupled to the power supply and the sensor for communicating the sensed operating conditions of the structure;a communication network operably coupled to the sensor nodes; andone or more controllers operably coupled to the communication network for monitoring the sensor nodes;wherein one or more of the sensors comprise at least one stable latched operating state representative of a corresponding measurement value of an operating condition. 23. The system of claim 22, wherein said stable latched operating state remains unchanged until reset by one or more of the controllers.
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