Electromagnetic linear machines with dual Halbach array design and analysis حسب Yan, Liang, Zhang, Lu, Peng, Juanjuan, Zhang, Lei, Jiao, Zongxia

Available for University of the Philippines System via SpringerLink. Click here to access
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Design, modeling and experiments of 3-DOF electromagnetic spherical actuators

Available for University of the Philippines Diliman via SpringerLink. Click here to access

A primer of Beijing opera حسب Yan, Liang