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2 results about "Spatial motion" patented technology

Underwater submersible space motion emulation method based on hydrodynamic coefficient susceptibility

InactiveCN101458729AEquation simplificationSpecial data processing applicationsSubmarineSpatial motion
The invention provides a submersible vehicle spatial motion simulation method based on hydrodynamic coefficient sensitivity, which adopts SJ (RJ-RJ*) / RJ* as the hydrodynamic coefficient sensitivity index; sets one hydrodynamic coefficient as zero, and holds other hydrodynamic coefficients, to obtain a variable submarine spatial motion model, processes same driving test on the variable model and an original motion model, to obtain two groups of maneuverability parameters, calculates one group of sensitivity indexes of the hydrodynamic coefficient, and processes same operation on each hydrodynamic coefficient; selects an acceptable error reference value A as a simplified standard to simplify a submersible vehicle spatial motion equation, and uses the submersible vehicle spatial motion equation to simulate submersible vehicle spatial motion. The inventive simplified simulation method is based on general simulation test, and is simplified according to sensitivity indexes, while the simplification is suitable for object simulation tests.
Owner:HARBIN ENG UNIV
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