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Abstract:
A target intercept guidance system for directing a steerable object, such as a torpedo with a guidance point. The guidance system is located at a launching vehicle and senses the bearings from the launching vehicle to a target and to the steerable object as it moves toward the target. Various error signals are then generated and classified into sensed linguistic variables using membership functions of corresponding sensed variable membership function sets based upon primary and secondary goals to become fuzzy inputs that produce fuzzy control output membership functions from a control output membership function set based upon logical manipulation of the fuzzy inputs. The control system performs this classification and selection according to sometimes competing goals of excluding the torpedo from a particular operating zone while guiding the torpedo in response to variations in a target bearing relative to the guidance point. The selected fuzzy control output membership functions are converted into an output having an appropriate form for control, subject to optional conditioning to prevent unwanted effects and assure good behavior fur different tactical parameters.
| Description: |
Patent, Filed 1 Apr 1996, patented 31 Aug 1999 |
| Pages: |
30 |
| Report Date: |
31 AUG 1999 |
| Report Number: |
D525910 |
Report Unavailable |
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