METHOD OF DETERMINING DRY FRICTION FORCE AND VISCOUS FRICTION COEFFICIENT IN OSCILLATORY SYSTEM

摘要

the invention u043eu0442u043du043eu0441u0438u0442u0441u00a0 to u0442u0440u0438u0431u043eu043bu043eu0433u0438u0438 and parameters identification u0434u0438u0441u0441u0438u043fu0430u0442u0438u0432u043du044bu0445 mechanical oscillating systems and can be used u0434u043bu00a0 diagnosis of technical u0441u043eu0441u0442u043eu00a0u043du0438u00a0. goal is to improve the accuracy by compensating the forces u0432u00a0u0437u043au043eu0433u043e u0442u0440u0435u043du0438u00a0. are forced u043au043eu043bu0435u0431u0430u043du0438u00a0 system by u0432u043eu0437u0434u0435u0439u0441u0442u0432u0438u00a0 harmonic power at the resonance frequency the phase 0.further affect the system by force, u043fu0440u00a0u043cu043e proportional u0432u0438u0431u0440u043eu0441u043au043eu0440u043eu0441u0442u0438. offset u0432u00a0u0437u043au043eu0435 friction until the u043fu043eu00a0u0432u043bu0435u043du0438u00a0 u0441u043au0430u0447u043au043eu043eu0431u0440u0430u0437u043du043eu0433u043e u0438u0437u043cu0435u043du0435u043du0438u00a0 phase shift of the resonance. u0438u0437u043cu0435u0440u00a0u044eu0442 the spike phase variance in the transition through the resonance frequencies in the interval u0432u043eu0437u0431u0443u0436u0434u0435u043du0438u00a0 0.95 098O * 981,05 0. when the u0443u0441u0438u043bu0435u043du0438u00a0 u0441u0432u00a0u0437u0438 on u0432u0438u0431u0440u043eu0441u043au043eu0440u043eu0441u0442u0438 feedback loop.effect of dry u0442u0440u0435u043du0438u00a0 and the u0432u00a0u0437u043au043eu0433u043e u0442u0440u0435u043du0438u00a0 u043eu043fu0440u0435u0434u0435u043bu00a0u044eu0442 given u0430u043cu043fu043bu0438u0442u0443u0434u043du043eu0433u043e u0437u043du0430u0447u0435u043du0438u00a0 main u0432u044bu043du0443u0436u0434u0430u044eu0449u0435u0439 force, a phase shift of u043fu0440u043eu043fu043eu0440 u0446u0438u043eu043du0430u043bu044cu043du043eu0441u0442u0438 and the u0443u0441u0438u043bu0435u043du0438u00a0 u0441u0432u00a0u0437u0438 on u0432u0438u0431u0440u043eu0441u043au043eu0440u043eu0441u0442u0438 feedback loop.