Abstract
Chaos in motor system is beneficial in some niche fields such as industrial mixing processes. In this paper, we investigate the issue of inducing chaos in Brushless DC Motor (BLDCM). Based on the differential-geometry control theory, a nonlinear function of current time-delayed control is derived. Analysis shows that the feedback scheme can induce the BLDCM operating in a stable regime to chaotic state across a large range of domain of control parameters, and if the values of control parameters α and β are set at an appropriate level, the variation of the time delay τ becomes insensitive to the occurrence of chaos, which is available in the compensation with inaccuracy of time-delay control.
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