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Axial flux machines (AFMs) are used in applications that require high power and torque densities in a pancake-type form factor. There are various types of AFMs based on the configuration of the rotor/stator and permanent magnet (PM) orientation. Most AFMs employ surface permanent magnet machines and as the result, the machine has low inductance and saliency. In this paper, an axial flux machine with...
Axial flux machines (AFMs) are used in applications that require high power and torque densities in a pancake-type form factor. There are various types of AFMs based on the configuration of the rotor/stator and magnet orientation. In this paper, a comprehensive analysis and comparison of AFMs with different rotor and stator configurations are presented. Considered topologies are: slotted AFMs with...
Maximum torque per ampere (MTPA) control scheme for buried magnet permanent magnet synchronous motor (PMSM) or internal permanent magnet (IPM) machine is presented in this paper. The proposed control scheme was developed based on measurement of only dc-link quantities eliminating the necessity of three-phase current feedback. The scheme employs an online search algorithm with initial condition computed...
This paper focuses on the channel characterization and modeling for power line communication (PLC) inside a Tractor-Trailer system. Understanding the behavior of the power line in tractor-trailer system at PLC frequency bands is quintessential for designing the PLC system to achieve desired performance. In this paper, s-domain impedance signatures for the tractor, trailer, dolly, harness and electronic...
Maximum torque per ampere (MTPA) control scheme for internal permanent magnet (IPM) machine is presented in this paper. Proposed control scheme was developed based on measurement of only DC link quantities eliminating the necessity of 3-phase current feedback. The scheme employs an online search algorithm with initial condition computed from a-priory system information. Hybridization of search based...
An adaptive flux weakening control scheme is proposed for the surface permanent magnet synchronous machine (PMSM). The method adaptively controls the demagnetizing current with changes in speed or load torque. The method does not require DC bus voltage sensing of the power converter and unsusceptible to the motor parameter changes. No requirement of bus voltage makes it suitable for voltage sensor...
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