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This digests presents the closed form 3-D analytical equations for an axial and radial Halbach rotor magnetic coupling. The closed form equations give insight into the upper torque density limits of NdFeB based magnetic devices. The performance of the axial and radial coupling is compared.
Permanent magnet linear motors (PMLMs) are widely used in many high precision servo motion platforms, and lithography is a typical application. The reticle stage macro movement subsystem of a lithography machine is a 3-DOF coupling system in X-Y direction which requires carefully modelling and control to achieve high precision. This paper proposes a new modeling method for the 3-DOF PMLM driven coupling...
Consensus is a fundamental and important problem for cooperative control. This paper mainly studies the consensus of networked multi-agent systems with nonlinear couplings via pinning control. An adaptive desired weighting consensus protocol is proposed to control a small fraction of pinned agents for directed graphs. Then, an adaptive controller gain average consensus protocol is presented via the...
Consensus is a fundamental and important problem for cooperative control. This paper mainly studies on the distributed consensus of networked multi-agent systems with time varying nonlinear couplings. A time varying and nonlinear couplings theorem was considered. Then, a distributed consensus protocol is proposed by desired weighting and designed control gain, via output feedback control under directed...
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