Multi-part navigation process by an unmanned aerial vehicle for navigating to a medical situatiion
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
G06Q-010/00
B64C-019/00
출원번호
US-0730317
(2012-12-28)
등록번호
US-8930044
(2015-01-06)
발명자
/ 주소
Peeters, Eric
Teller, Eric
Patrick, William Graham
출원인 / 주소
Google Inc.
대리인 / 주소
McDonnell Boehnen Hulbert & Berhoff LLP
인용정보
피인용 횟수 :
67인용 특허 :
8
초록▼
Embodiments described herein may relate to an unmanned aerial vehicle (UAV) navigating to a medical situation in order to provide medical support. An illustrative method involves a UAV (a) determining an approximate target location associated with a medical situation, (b) using a first navigation pr
Embodiments described herein may relate to an unmanned aerial vehicle (UAV) navigating to a medical situation in order to provide medical support. An illustrative method involves a UAV (a) determining an approximate target location associated with a medical situation, (b) using a first navigation process to navigate the UAV to the approximate target location, where the first navigation process generates flight-control signals based on the approximate target location, (c) making a determination that the UAV is located at the approximate target location, and (d) in response to the determination that the UAV is located at the approximate target location, using a second navigation process to navigate the UAV to the medical situation, wherein the second navigation process generates flight-control signals based on real-time localization of the medical situation.
대표청구항▼
1. An unmanned aerial vehicle (UAV) comprising: a navigation module that provides both a first and a second navigation process to generate flight-control signals for a UAV, wherein the first navigation process generates first flight-control signals based on a predetermined location of a medical situ
1. An unmanned aerial vehicle (UAV) comprising: a navigation module that provides both a first and a second navigation process to generate flight-control signals for a UAV, wherein the first navigation process generates first flight-control signals based on a predetermined location of a medical situation, and wherein the second navigation process generates second flight-control signals based on a real-time localization process that locates the medical situation in real-time; anda control system configured to: determine an approximate target location associated with the medical situation;use the first navigation process to navigate the UAV from a remote location to the approximate target location of the medical situation;make a determination that the UAV is located at the approximate target location of the medical situation; andin response to the determination that the UAV is located at the approximate target location of the medical situation, switch to use of the second navigation process to locate, and navigate the UAV to, the medical situation. 2. The UAV of claim 1, wherein the approximate target location comprises a geographic location of a remote device, wherein the remote device is associated with the medical situation. 3. The UAV of claim 2, wherein the geographic location of the remote device comprises GPS coordinates. 4. The UAV of claim 1, wherein the first navigation process generates the first flight-control commands based on predetermined waypoints that provide a route to the approximate target location. 5. The UAV of claim 1, wherein the real-time localization process comprises at least one of: (a) an environment-sensing localization process and (b) a beacon-sensing localization process. 6. The UAV of claim 1, wherein the real-time localization process comprises a beacon-sensing localization process to locate and navigate to a source of a beacon signal, wherein the source is a remote device that is associated with the medical situation. 7. The UAV of claim 6, wherein the remote device is at least one of: (a) a mobile phone, (b) a tablet computer, and (c) a laptop computer. 8. The UAV of claim 6, wherein the remote device is another UAV located at the scene of the medical situation. 9. The UAV of claim 6, wherein the beacon-sensing localization process comprises: detecting the beacon signal;determining a security key that is encoded in the beacon signal; anddetermining whether or not the security key matches a predefined security key for the medical situation, wherein navigation to the source of the beacon signal is conditioned upon the security key matching a predefined security key for the medical situation. 10. The UAV of claim 9, wherein the predefined security key was generated and sent to the remote device in response to a request for medical support made by the remote device. 11. A method comprising: determining, by a computing system of a unmanned aerial vehicle (UAV), an approximate target location associated with a medical situation;using, by the computing system, a first navigation process to navigate the UAV from a remote location to the approximate target location of the medical situation, wherein the first navigation process generates first flight-control signals based on the approximate target location of a medical situation;making, by the computing system, a determination that the UAV is located at the approximate target location of the medical situation; andin response to the determination that the UAV is located at the approximate target location of the medical situation, using, by the computing system, a second navigation process to navigate the UAV to the medical situation, wherein the second navigation process generates second flight-control signals based on real-time localization of the medical situation. 12. The method of claim 11, wherein using the first navigation process comprises generating flight-control commands based on predetermined waypoints that provide a route to the approximate target location. 13. The method of claim 11, wherein the real-time localization process comprises at least one of: (a) an environment-sensing localization process and (b) a beacon-sensing localization process. 14. The method of claim 11, wherein the real-time localization process comprises a beacon-sensing localization process for locating and navigating to a source of a beacon signal, wherein the beacon-sensing localization process comprises: detecting the beacon signal;determining a security key that is encoded in the beacon signal; anddetermining whether or not the security key matches a predefined security key for the medical situation, wherein navigation to the source of the beacon signal is conditioned upon the security key matching a predefined security key for the medical situation. 15. The method of claim 14, wherein the predefined security key was generated and sent to the remote device in response to a request for medical support made by the remote device. 16. The method of claim 11, wherein the second navigation process comprises: using an autonomous real-time localization process in an effort to locate the medical situation;if a predetermined period of time has elapsed without locating the medical situation, then: determining that the autonomous real-time localization is unsuccessful; andresponsively implementing a fallback process to locate and navigate to the medical situation; andif the predetermined period of time has not elapsed, then continuing to use the autonomous real-time localization process in an effort to locate the medical situation. 17. The method of claim 16, wherein the fallback process comprises at least one of: (a) causing the UAV to switch to a remote-control mode where the UAV is controllable by a remote computing system and (b) causing the UAV to switch to a local-assistance mode where the UAV seeks local assistance. 18. The method of claim 11, wherein the second navigation process comprises: using an autonomous real-time localization process in an effort to locate the medical situation, wherein the UAV moves through a search area while using the autonomous real-time localization process, and wherein the search area is determined based on the approximate target location;if the UAV has covered the entire search area without locating the medical situation, then: determining that the autonomous real-time localization is unsuccessful; andresponsively implementing a fallback process to locate and navigate to the medical situation; andif the UAV has not covered the entire search area without locating the medical situation, then using an autonomous real-time localization process in an effort to locate the medical situation. 19. A non-transitory computer readable medium having stored therein instructions that are executable to cause a computing device to perform functions comprising: determining an approximate target location associated with a medical situation;using a first navigation process to navigate an unmanned aerial vehicle (UAV) from a remote location to the approximate target location of the medical situation, wherein the first navigation process generates first flight-control signals based on the approximate target location of a medical situation;making a determination that the UAV is located at the approximate target location of the medical situation; andin response to the determination that the UAV is located at the approximate target location of the medical situation, using a second navigation process to navigate the UAV to the medical situation, wherein the second navigation process generates second flight-control signals based on real-time localization of the medical situation. 20. The non-transitory computer readable medium of claim 19, wherein the real-time localization process comprises at least one of: (a) an environment-sensing localization process and (b) a beacon-sensing localization process. 21. The non-transitory computer readable medium of claim 19, wherein the real-time localization process comprises a beacon-sensing localization process for locating and navigating to a source of a beacon signal, wherein the beacon-sensing localization process comprises: detecting the beacon signal;determining a security key that is encoded in the beacon signal; anddetermining whether or not the security key matches a predefined security key for the medical situation, wherein navigation to the source of the beacon signal is conditioned upon the security key matching a predefined security key for the medical situation. 22. The non-transitory computer readable medium of claim 19, wherein the second navigation process comprises: using an autonomous real-time localization process in an effort to locate the medical situation;if a predetermined period of time has elapsed without locating the medical situation, then: determining that the autonomous real-time localization is unsuccessful; andresponsively implementing a fallback process to locate and navigate to the medical situation; andif the predetermined period of time has not elapsed, then continuing to use the autonomous real-time localization process in an effort to locate the medical situation. 23. The non-transitory computer readable medium of claim 22, wherein the fallback process comprises at least one of: (a) causing the UAV to switch to a remote-control mode in which the UAV is controllable by a remote computing system and (b) causing the UAV to switch to a local-assistance mode in which the UAV seeks local assistance. 24. The non-transitory computer readable medium of claim 19, wherein the second navigation process comprises: using an autonomous real-time localization process in an effort to locate the medical situation, wherein the UAV moves through a search area while using the autonomous real-time localization process, and wherein the search area is determined based on the approximate target location;if the UAV has covered the entire search area without locating the medical situation, then: determining that the autonomous real-time localization is unsuccessful; andresponsively implementing a fallback process to locate and navigate to the medical situation; andif the UAV has not covered the entire search area without locating the medical situation, then using an autonomous real-time localization process in an effort to locate the medical situation. 25. A method comprising: determining, by a computing system of an unmanned aerial vehicle (UAV), an approximate target location associated with a medical situation;using, by the computing system, a first navigation process to navigate the UAV from a remote location to the approximate target location of the medical situation, wherein the first navigation process generates first flight-control signals based on the approximate target location of a medical situation;either: (a) making a determination, by the computing system, that the UAV is located at the approximate target location of the medical situation or (b) receiving, by the computing system, local target-location data that is usable to navigate to the medical situation;in response to either (a) or (b), using, by the computing system, a second navigation process to navigate the UAV to the medical situation, wherein the second navigation process generates second flight-control signals based on real-time localization of the medical situation. 26. The method of claim 25, wherein the real-time localization comprises using the local target-location data to generate the second flight-control signals to navigate to the medical situation.
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