Apparatus and method for cooperative multi target tracking and interception
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F42B-015/01
F42B-015/00
G06F-019/00
F41G-007/00
출원번호
US-0700967
(2007-01-17)
등록번호
US-7422175
(2008-09-09)
발명자
/ 주소
Bobinchak,James
Hewer,Gary
출원인 / 주소
The United States of America as represented by the Secretary of the Navy
대리인 / 주소
Drazich,Brian F.
인용정보
피인용 횟수 :
16인용 특허 :
22
초록▼
The invention described herein provides an apparatus and a method to cooperatively track and intercept a plurality of highly maneuvering asymmetric threats using networks of small, low-cost, lightweight, airborne vehicles that dynamically self-organize into an ad hoc network topology. This is accomp
The invention described herein provides an apparatus and a method to cooperatively track and intercept a plurality of highly maneuvering asymmetric threats using networks of small, low-cost, lightweight, airborne vehicles that dynamically self-organize into an ad hoc network topology. This is accomplished using distributed information sharing to maintain cohesion and avoid vehicle collisions, while cooperatively pursuing multiple targets. An oracle vehicle relays network information to a control base.
대표청구항▼
What is claimed is: 1. An apparatus for intercepting at least one target comprising: a plurality canisters each adapted to be deployed from a platform; said plurality of canisters each having means operable for the destruction of a target; said plurality of canisters each having means operable for
What is claimed is: 1. An apparatus for intercepting at least one target comprising: a plurality canisters each adapted to be deployed from a platform; said plurality of canisters each having means operable for the destruction of a target; said plurality of canisters each having means operable for guidance, position determination, target detection, target tracking, target assignment, target intercept, and fuzing the means for the destruction of a target; said plurality of canisters each having means operable for measurement, collection, storage, and processing of information relating to guidance, position, target detection, target tracking, target assignment, target intercept, and fuzing the means for the destruction of a target; said plurality of canisters each having means operable for wireless communication with each other canister of said plurality of canisters to form a distributed database of said information shared amongst said plurality of canisters; said plurality of canisters each adapted upon deployment to operate said wireless communication, information measurement, information collection, information storage, information processing, target detection, target tracking, guidance, and position determination means to detect and track a plurality of targets; said plurality of canisters each adapted to operate a predetermined algorithm operable to determine a probability of intercept for each said tracked target; said plurality of canisters each adapted to operate a predetermined algorithm operable to assign one tracked target for intercept by said canister according to said probability of intercept; said plurality of canisters each adapted to operate said wireless communication, information measurement, information collection, information storage, information processing, target detection, target tracking, guidance, and position determination means to calculate and periodically update a trajectory for intercept of said assigned target by said canister; said plurality of canisters each adapted to operate said wireless communication, information measurement, information collection, information storage, information processing, target detection, target tracking, guidance, and position determination means to guide said canister along an intercept trajectory until said assigned target is intercepted; each canister adapted upon intercept of said assigned target to deploy said means for the destruction of a target. 2. The apparatus of claim 1 wherein said means for wireless communication, information measurement, information collection, information storage, information processing, guidance, position determination, target detection, target tracking, target assignment, target intercept, and fuzing comprises: a focal plane array imaging sensor; an image signal processing circuit operationally coupled with said focal plane array; a computer processing unit (CPU) operational to run routines and algorithms for wireless communication, information measurement, information collection, information storage, information processing, guidance, position determination, target detection, target tracking, target assignment, target intercept, and fuzing said means for the destruction of a target; said CPU operationally coupled with said image signal processing circuit; a wireless communications transceiver operationally coupled with said CPU; a transceiver antenna operationally coupled with said wireless communications transceiver; a global positioning system (GPS) antenna; a GPS receiver operationally coupled with said GPS antenna and said CPU; an inertial measurement unit (IMU) operationally coupled with said CPU; a divert thruster controller operationally coupled with said CPU; and a plurality of thrusters operationally coupled with said divert thruster controller. 3. The apparatus of claim 1 wherein said means for the destruction of a target comprises: a computer processing unit (CPU) operational to run routines and algorithms for arming and fuzing an ordnance; said CPU operationally coupled with said arm device and said fuze; said arm device operationally coupled with said fuze; and said fuze operationally coupled with an ordnance. 4. The apparatus of claim 1 wherein each of said canisters is an aerial canister. 5. The apparatus of claim 1 wherein the algorithm for determining a probability of intercept calculates a target reachability area, a canister reachability area, and the proportion of the target reachability area included within the canister reachability area. 6. The apparatus of claim 1 wherein the algorithm for determining a probability of intercept utilizes a monotonically decreasing function of range. 7. The apparatus of claim 1 wherein said platform is an aircraft or watercraft. 8. The apparatus of claim 1 wherein for each canister said information comprises canister address, canister position, canister velocity, canister acceleration, time-to-go, and detected target position. 9. The apparatus of claim 1 wherein said plurality of canisters are each adapted to be deployed from multiple types of platforms. 10. The apparatus of claim 1 wherein said means operable for wireless communication utilizes an adaptive frequency hopping protocol or an IEEE 802.11b protocol. 11. The apparatus of claim 1 further including a potential function for spacing apart deployed canisters one from another wherein said potential function utilizes a piece-wise linear virtual spring algorithm and said potential function has a selected minimum value corresponding to a predetermined distance from a canister. 12. The apparatus of claim 11 wherein said potential function is a function of time-to-go. 13. The apparatus of claim 11 wherein said potential function is a function of tracked target motion. 14. The apparatus of claim 1 wherein the algorithm for assigning each of said canisters to a single tracked target includes calculating a solution to a constrained multiassignment problem or to an unconstrained multiassignment problem. 15. The apparatus of claim 1 wherein the algorithm for assigning each of said canisters to a single tracked target is a reverse auction algorithm. 16. The apparatus of claim 1 wherein one of said plurality of canisters deployed includes means for slowing the descent of the canister.
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