COMBINED EVIDENCE VEHICLE HEALTH MONITORING
First Claim
1. A method for fusing a plurality of self-contained diagnostics for generating a combined state of belief for a monitored system, the method comprising:
- executing a plurality of predetermined diagnostic states of self-contained diagnostic routines, each self-contained routine generating a respective state of belief result for the monitored system;
formulating respective belief vectors as a function of belief results of the executed plurality of predetermine diagnostic states;
providing a state space including a plurality of sub-state spaces, each of the sub-state spaces representative of the predetermined diagnostic states of the monitored system;
assigning each belief vector to the sub-state spaces of the state space;
fusing each of the belief vectors of each sub-state space;
determining a combined belief value for each fused sub-state space;
comparing the combined belief values of each fused sub-state space;
indicating the sub-state space having the highest combined belief value in response to the determined probabilities as the actual diagnostic state of the monitored system.
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Abstract
A method is provided for fusing a plurality of self-contained diagnostics for generating a combined state of belief for a monitored system. A plurality of predetermined diagnostic states of self-contained diagnostic routines is executed. Each self-contained routine generates a respective state of belief result for the monitored system. Respective belief vectors are formulated as a function of belief results. A state space is provided that includes a plurality of sub-state spaces. Each of the sub-state spaces is representative of the predetermined diagnostic states of the monitored system. Belief vectors are assigned to the sub-state spaces of the state space. Belief vectors relating to each sub-state space are fused. A combined belief value is determined for each fused sub-state space. The sub-state space having the highest combined belief value is indicated in response to the determined probabilities as the actual diagnostic state of the monitored system.
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Citations
20 Claims
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1. A method for fusing a plurality of self-contained diagnostics for generating a combined state of belief for a monitored system, the method comprising:
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executing a plurality of predetermined diagnostic states of self-contained diagnostic routines, each self-contained routine generating a respective state of belief result for the monitored system; formulating respective belief vectors as a function of belief results of the executed plurality of predetermine diagnostic states; providing a state space including a plurality of sub-state spaces, each of the sub-state spaces representative of the predetermined diagnostic states of the monitored system; assigning each belief vector to the sub-state spaces of the state space; fusing each of the belief vectors of each sub-state space; determining a combined belief value for each fused sub-state space; comparing the combined belief values of each fused sub-state space; indicating the sub-state space having the highest combined belief value in response to the determined probabilities as the actual diagnostic state of the monitored system. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A diagnostic system for a vehicle-related system comprising:
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at least one sensor for monitoring a characteristic of a vehicle-related sub-system; and a processing unit for executing a plurality of vehicle system-related monitoring routines, the processing unit identifying a state of belief for each monitoring routine and assigning a belief vector to the plurality of battery sub-state spaces within a state space; a fusing framework for combining the results of each of the executed monitoring routines for each respective sub-state space, the fusing framework determining a combined belief value of each fused sub-state space, the fusing framework identifying the sub-state having the highest combined belief value. - View Dependent Claims (17, 18, 19, 20)
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Specification