Motion Characteristics of the UTIAS Flight Research Simulator Motion-Base

摘要

The motion characteristics of the UTIAS Flight Research Simulator Motion-Base were experimentally determined. More specifically describing function tests (under various operating conditions), 1/2 Hz noise level tests, signal-to-noise tests, and hysteresis tests were performed for all six degrees-of-freedom. Dynamic threshold tests were performed for the heave degree-of-freedom. The motion-base was found to have a reasonably flat amplitude response up to 10 Hz in all degrees-of-freedom. Motion in the non-dirven degrees-of-freedom was small compared to the driven channel. The noise of the motion-base was found to be the sum of braodband background noise and harmonics of the driven frequency, with the amplitude of the noise varying with both the amplitude and frequency of the driving signal. Hysteresis was determined to be neglible. The dynamic threshold was found to be small and quite acceptable for most projected applications involving the motion-base.