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These models can be used complementary to finite element analysis for fast evaluations of topologies, but they are indispensable for the design of magnetically levitated planar motors and other coreless ... In this paper, an overview of analytical techniques for the modeling of linear and planar permanent-magnet motors is given. ... Models based on magnetic surface charges are essential for the design of magnetically levitated planar motors and coreless linear motors as they not only can predict the force and torque on the total magnet ...doi:10.1109/tmag.2014.2328556 fatcat:osszu7javvcfhhighcwqazdlra
The analytical and numerical models can be used for the design of large planar actuators, for the fast comparison of actuator topologies, and in the decoupling and commutation algorithm. ... Modeling of a magnetically levitated planar actuator with moving magnets. IEEE Transactions on Magnetics, 43(1), 15-25. ... The authors would also like to thank ASML, Assembléon, Philips Applied Technologies, Prodrive, and Tecnotion for their valuable contributions and support. ...doi:10.1109/tmag.2006.886051 fatcat:ljchhnlpcrfnvieqpbtszxsikm
The distance between the long sides and that between the short sides of a rectangular coil are designed to be a half pitch and one pitch of the magnet matrix, respectively. ... Index Terms-Concentrated-field magnet matrix, electromagnetic analysis, multiaxis positioner, permanent-magnet actuator, planar motor, precision motion control. ... Trumper et al. presented a design and analysis framework for surface-mounted linear motors consisting of permanent magnets and ironless current-carrying coils  . ...doi:10.1109/tec.2011.2170173 fatcat:jpenzszak5c7bf3oztkqvoyyty
Nowadays flywheels are complex constructions where energy is stored mechanically and transferred to and from the flywheel by an integrated motor/generator. ... One of the key issues for viable flywheel construction is a high overall efficiency, hence a reduction of the total losses. ... current density on the magnet, s is the conductivity of the magnet, l magnet is the length of the magnet, and F stator is the magnetic flux from the stator. ...doi:10.1016/j.rser.2005.01.004 fatcat:cllfdrros5hctc73iufkyaqbrm
2020 IEEE Energy Conversion Congress and Exposition (ECCE)
1899 Liu, Yu-Chen Integrated Magnetics Design for an Interleaved Three-Phase Buck Converter [#0325] 4533 Liu, Yue Optimal Design of Integrated Planar Inductor for a Hybrid Totem-Pole PFC Converter ... Multi-Coil Wireless Power Transfer Applications [#0034] 5495 Tanaka, Akihiro Rotor Surface Optimization of Interior Permanent Magnet Synchronous Motors to Reduce both Rotor Core Loss and Torque Ripples ...doi:10.1109/ecce44975.2020.9236355 fatcat:sbl4a4gonrf77kylohb3nbmhqa
Design methodology Whereas classical machine designs are based on active length, stator bore, and the magnetic and electrical loading, planar actuator designs are dominated also by the levitated mass and ... for a rectangular coil and A c = cw 2 for a square coil) and A m is the horizontal area of the magnet array. ... Appendix A List of symbols resistance 3-DOF actuator with moving-magnets In section 4.3, the commutation algorithm and the coil currents are demonstrated by means of a 3-DOF actuator with moving-magnets ...doi:10.6100/ir630846 fatcat:fnhkudecgjaa5bgzle2s5vhef4
This thesis presents the design, analysis and experimental results of two planar motors: 1) a permanent magnet synchronous planar motor, and 2) a permanent magnet asynchronous planar motor. ... The permanent magnet synchronous planar motor is comprised of multiple one-dimensional (1-D) magnet arrays attached to a moving stage and multiple stationary 1-D coils built as a printed circuit board ... We conclude that the net force generated on the 2-DOF motor element can be appropriately analyzed by collapsing a group of coil traces interacting with a finite width magnet array to a single coil interacting ...doi:10.14288/1.0221435 fatcat:d6kx5urvtzabnhtidxh6oymkiy
38th IAS Annual Meeting on Conference Record of the Industry Applications Conference, 2003.
This paper presents a novel design for a tubular linear brushless permanent-magnet motor. ... In its current state, the motor has a rise time of 30 ms, a settling time of 60 ms, and 25% overshoot to a 5-mm step command. The motor has a maximum speed of 1.5 m/s and acceleration up to 10 g. ... Therefore the required design parameters are the length of the magnets/coils, the outer radius of the magnet and the inner radius of the coil (this pair determines the air gap between them), and the outer ...doi:10.1109/ias.2003.1257779 fatcat:lk52brtafbhvbemgxj5ot6acc4
I thank Mircea, Satya, Chenyang and Andelko for being my good international friends. Satya, I will never forget your great Indian curry. ... Acknowledgements I also thank all my old and new colleagues for providing such a nice atmosphere in the group: Ana, Andelko, Andrej, Can, Carmen, Chenyang, Femke, Jaron, Jasper, Jochem, John, Joris, Leyla ... Model of the Planar Actuator In magnetically levitated ironless planar actuators with moving magnets, the coupling matrix K, which relates the currents in the coils i to the final wrench w = x y z q y ...doi:10.6100/ir673132 fatcat:tx4qfqsjxbdwdom4o4bjy6d2cq
Optimization Variables Due to the complexity of the planar actuator design, the optimization is reduced to a geometric optimization for a fixed coil topology and fixed magnet topology. ... Linear Motor 1 (LM 1) This is a ironless 3-phase motor with three moving coils and a static magnet array. ...doi:10.6100/ir640039 fatcat:qyiqrvawdjgkll56zac4vg4m3q
Acknowledgements Although a PhD candidate is generally considered to be a solitary person behind books or a desktop, this thesis is the result of great team work! ... Acknowledgements My sincere thanks to SKF ADC, who not only supported this project but also had the confidence and belief in the EPE group and myself to invest in this project. ... fields and optimization of the magnet sizes and tooth tip widths. ...doi:10.6100/ir719773 fatcat:t6o6qwwlnrf7rlzzltlgqpeu6e