Magnetic Flux Distribution of Linear Machines with Novel Three-Dimensional Hybrid Magnet Arrays
AbstractThe objective of this paper is to propose a novel tubular linear machine with hybrid permanent magnet arrays and multiple movers, which could be employed for either actuation or sensing technology. The hybrid magnet array produces flux distribution on both sides of windings, and thus helps to increase the signal strength in the windings. The multiple movers are important for airspace technology, because they can improve the system’s redundancy and reliability. The proposed design concept is presented, and the governing equations are obtained based on source free property and Maxwell equations. The magnetic field distribution in the linear machine is thus analytically formulated by using Bessel functions and harmonic expansion of magnetization vector. Numerical simulation is then conducted to validate the analytical solutions of the magnetic flux field. It is proved that the analytical model agrees with the numerical results well. Therefore, it can be utilized for the formulation of signal or force output subsequently, depending on its particular implementation. View Full-Text
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Yao, N.; Yan, L.; Wang, T.; Wang, S. Magnetic Flux Distribution of Linear Machines with Novel Three-Dimensional Hybrid Magnet Arrays. Sensors 2017, 17, 2662.
Yao N, Yan L, Wang T, Wang S. Magnetic Flux Distribution of Linear Machines with Novel Three-Dimensional Hybrid Magnet Arrays. Sensors. 2017; 17(11):2662.Chicago/Turabian Style
Yao, Nan; Yan, Liang; Wang, Tianyi; Wang, Shaoping. 2017. "Magnetic Flux Distribution of Linear Machines with Novel Three-Dimensional Hybrid Magnet Arrays." Sensors 17, no. 11: 2662.
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