Design of sea wave impact simulation test system equivalent-mapping theory based

摘要

Only get passed in approval test and evaluation land-based, could shipborne weapon system(SWS)be loaded on ship for sea test. While in land-based test, how to simulate the effect of sea wave impact to SWS has been an insoluble problem for decades. For now, the frequently-used methods included building of large pool or developing of simulator to simulate sea wave impact. However, the two methods took on the problems of expensive cost, sophisticated test process, long test period, etc. In this paper, a novel easy and feasible method to simulate the influence of sea wave was introduced, which used a sea wave impact simulation test system in approval test of SWSs. On the basis of impacts modelling for multiple levels of sea wave, the ship movement under sea wave impact was superposed to the flying route model with combined use of equivalent substitution theorem, coordinate mapping and signal input simulation methods. Thus, the influence of sea wave impact on SWSs was simulated. Simulation and test results indicated that the simulation test system met the requirements of terrestrial type approval test for SWS.