The present invention relates to a motion effector for use in a virtual reality system; and, more particularly, to a motion effector controller capable of reducing {HEAD ~ a time gap} between an input and {TAIL ~ an output} and also eliminating the harmful effects caused by external disturbances and modeling errors 
The present invention relates to a motion effector for use in a virtual reality system ; and , more particularly , to a motion effector controller capable of reducing { HEAD ~ a time gap } between an input and { TAIL ~ an output } and also eliminating the harmful effects caused by external disturbances and modeling errors
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