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2020 IEEE International Symposium on Antennas and Propagation and North American Radio Science Meeting
The joint meeting is intended to provide an international forum for the exchange of information on state of the art research in the area of antennas and propagation, electromagnetic engineering and radio science
Energy conversion and conditioning technologies, power electronics, adjustable speed drives and their applications, power electronics for smarter grid, energy efficiency,technologies for sustainable energy systems, converters and power supplies
INTERMAG is the premier conference on all aspects of applied magnetism and provides a range of oral and poster presentations, invited talks and symposia, a tutorial session, and exhibits reviewing the latest developments in magnetism.
The Annual IEEE PES General Meeting will bring together over 2900 attendees for technical sessions, administrative sessions, super sessions, poster sessions, student programs, awards ceremonies, committee meetings, tutorials and more
Bi-Annual IEEE PES T&D conference. Largest T&D conference in North America.
Contains articles on the applications and other relevant technology. Electronic applications include analog and digital circuits employing thin films and active devices such as Josephson junctions. Power applications include magnet design as well asmotors, generators, and power transmission
Serves as a compendium for papers on the technological advances in control engineering and as an archival publication which will bridge the gap between theory and practice. Papers will highlight the latest knowledge, exploratory developments, and practical applications in all aspects of the technology needed to implement control systems from analysis and design through simulation and hardware.
Research, development, design, application, construction, installation, and operation of electric power generating facilities (along with their conventional, nuclear, or renewable sources) for the safe, reliable, and economic generation of electrical energy for general industrial, commercial, public, and domestic consumption, and electromechanical energy conversion for the use of electrical energy
Theory and applications of industrial electronics and control instrumentation science and engineering, including microprocessor control systems, high-power controls, process control, programmable controllers, numerical and program control systems, flow meters, and identification systems.
The development and application of electric systems, apparatus, devices, and controls to the processes and equipment of industry and commerce; the promotion of safe, reliable, and economic installations; the encouragement of energy conservation; the creation of voluntary engineering standards and recommended practices.
2008 Annual IEEE India Conference, 2008
Matrix converter is an ac/ac converter without a dc link. It acts much the same way as a cycloconverter, but with better harmonic profile, large range of output frequency and controllable input displacement factor. A synchronous motor is used in many industrial applications such as cement kilns, mine winders, etc. Although synchronous motors are mostly used for high power applications, ...
1994 Proceedings of Canadian Conference on Electrical and Computer Engineering, 1994
An indirect rotor speed and position sensing technique based on computation for a permanent magnet synchronous motor (PMSM) drive is presented in this paper. New expressions in terms of stator variables for rotor speed and position angle are derived and computed using real data from a laboratory prototype PM motor. The results show that the rotor speed and angle are ...
2017 IEEE International Electric Machines and Drives Conference (IEMDC), 2017
IPMSM using rare earth materials utilize various areas with high power density and a wide speed range. However, as these materials can only be found in limited areas and quantities, use of machines with rare earth materials will decrease. To solve this problem, various types of machines have been studied with rare earth free elements. In particular, the ferrite permanent ...
2011 IEEE International Conference on Fuzzy Systems (FUZZ-IEEE 2011), 2011
The Permanent Magnet (PM) Synchronous Motor is ideal in the field of the low power high performance servo, since it is controllable and its vigorous performance is excellent. However, the variations of moment inertia, load torque, and motor internal parameters have been a major difficulty to deal with speed control. This paper investigates the fuzzy logic controller based speed control ...
IEE Proceedings - Electric Power Applications, 1995
The paper introduces a compact method for representing synchronous motors connected to a source of variable frequency. The model is based on a three- phase sinusoidal oscillator that represents the components of the magnetomotive force. The whole model is of seventh order and it accurately represents the dynamic behaviour of the motors. Even simulated dynamic behaviour, in which rapid frequency ...
Machine Learning of Motor Skills for Robotics
EMBC 2011-Keynote-Modularity for Motor Coordination -Emilio Bizzi, MD, PhD
EMBC 2011-Workshop- Motor Control Principles in Neurorobotics and Prosthetics-PT III
EMBC 2011-Workshop-Motor Control Principles in Neurorobotics and Prosthetics-PT IV
Surgical Robotics: Human-motor performance in robot-assisted surgery
NXP and the HB 2001 at APEC 2016
EMBC 2011-Workshop- Motor Control Principles in Neurorobotics and Prosthetics-PT II
EMBC 2011-Workshop-Motor Control Principles in Neurorobotics and Prosthetics-PT I
Prototyping MIMO Systems with the AD9361: MicroApps 2015 - Analog Devices
Skillful Manipulation Based on High-Speed Sensory-Motor Fusion
Translational Neural Engineering: Bringing Neurotechnology into the Clinics - IEEE Brain Workshop
ITEC 2014: Electrified Powertrain Vehicles: State of the Industry
APEC 2011-GaN Based Power Devices in Power Electronics
IEEE PELS Webinar Series-Galvanic Isolation for Power Supply Applications
2013 IEEE Medal for Environmental and Safety Technologies
APEC 2011-2011 International Future Energy Challenge@APEC 2011
IFEC 2011-International Future Energy Challenge 2011
Richard Nute, D. Ray Corson, Jim Barrick - IEEE Medal for Environmental and Safety Technologies, 2019 IEEE Honors Ceremony
ICASSP 2010 - Advances in Neural Engineering
Matrix converter is an ac/ac converter without a dc link. It acts much the same way as a cycloconverter, but with better harmonic profile, large range of output frequency and controllable input displacement factor. A synchronous motor is used in many industrial applications such as cement kilns, mine winders, etc. Although synchronous motors are mostly used for high power applications, the matrix converter can also be used to drive a permanent magnet synchronous motor with suitable modification for medium power applications. The present paper proposes a scalar control scheme for a wound field synchronous motor fed from a matrix converter. The scheme is based on steady state phasor diagram of the synchronous motor, and results in unity motor displacement power factor during operation. A suitable PI controller for closed-loop speed control is designed. Subsequently, a modified V/f scheme which ensures unity power factor (UPF) at high speeds is proposed. The simulation results for the proposed control scheme are verified.
An indirect rotor speed and position sensing technique based on computation for a permanent magnet synchronous motor (PMSM) drive is presented in this paper. New expressions in terms of stator variables for rotor speed and position angle are derived and computed using real data from a laboratory prototype PM motor. The results show that the rotor speed and angle are in close agreement with those obtained from an electro-mechanical sensor. A two- loop PMSM drive system is then simulated using the derived expressions.<<ETX>>
IPMSM using rare earth materials utilize various areas with high power density and a wide speed range. However, as these materials can only be found in limited areas and quantities, use of machines with rare earth materials will decrease. To solve this problem, various types of machines have been studied with rare earth free elements. In particular, the ferrite permanent magnet (PM) is used for substituting rare earth elements. However, this PM has disadvantages of residual flux density and coercive force in comparison with rare earth elements. Therefore, a new type design is required to use ferrite PM. In the paper, a concentrated flux synchronous motor using ferrite PM is designed to obtain similar power density compared to the flat type interior PM synchronous motor. However, an instantaneous current in the stating or locked rotor condition may cause a tremendous external demagnetizing field for PM. Therefore, a structure can be considered for preventing the demagnetization of ferrite PM at low temperature. This paper deals with the analysis for preventing irreversible demagnetization characteristics of the motor. Finally, the result and effect is discussed to improve a model applied structure for preventing demagnetization.
The Permanent Magnet (PM) Synchronous Motor is ideal in the field of the low power high performance servo, since it is controllable and its vigorous performance is excellent. However, the variations of moment inertia, load torque, and motor internal parameters have been a major difficulty to deal with speed control. This paper investigates the fuzzy logic controller based speed control for a vector-controlled PM synchronous motor drive. The fuzzy logic is based on the speed error and change of speed error measured between the actual motor speed and the reference speed. The robust control performance of the fuzzy logic controller is evaluated for various operating conditions using the parameters of a prototype PM synchronous motor and compared to that of conventional PI controller. The design and application of the fuzzy logic controller are considered and discussed.
The paper introduces a compact method for representing synchronous motors connected to a source of variable frequency. The model is based on a three- phase sinusoidal oscillator that represents the components of the magnetomotive force. The whole model is of seventh order and it accurately represents the dynamic behaviour of the motors. Even simulated dynamic behaviour, in which rapid frequency modulation of the voltage source is involved, agrees well with that obtained by experimenting with a laboratory system. One of the advantages of the model is its applicability for permanent magnet motors and permanent magnet brushless DC motors.<<ETX>>
There is now widespread experience of three-phase synchronous motors using high-field permanent magnets for rotor excitation and many high-performance designs have been demonstrated in which the magnets are situated in internal slots within the rotor laminations. A cage rotor winding is fitted if asynchronous starting is required. These machines exhibit inverse saliency, with q-axis reactance X/sub q/ greater than d-axis reactance X/sub d/, and with a suitable choice of design parameters can yield near-unity power factor and high efficiency at rated load. This paper reports a study of permanent- magnet q-axis synchronous motors with single-phase supply, with a magnetising view to assessing the potential for achieving high efficiency, low-cost drives for use in HVAC and similar reactance applications.
This paper introduces the periodic carrier frequency modulation (PCFM) for permanent magnet synchronous motor (PMSM) drive systems so as to reduce the low-frequency electromagnetic interference (EMI). PMSMs are widely used in many applications and they are usually fed by pulsewidth modulation (PWM) inverters. The EMI of PMSM, which results from the switch of power device, generates undesirable effects on the control system. Therefore, it is of importance to reduce the EMI of PMSM. The common mode (CM) conducted EMI model of the PMSM drive system is constructed to investigate the CM voltage. The simulations and experiments of PMSM fed by the fixed frequency PWM (FFPWM) and PCFM are implemented to analyze the CM conducted EMI. The CM EMI spectra of PMSM fed by the FFPWM and PCFM with different spreading frequency widths are compared to explore the influence of PCFM on the CM conducted EMI. The regular patterns on PCFM in reducing the CM conducted EMI of PMSM drive systems are revealed.
This paper presents a model-based control method for using a vector controlled synchronous motor to emulate the behaviour of a twin-shaft gas turbine engine as it drives an electric generator supplying power to steady-state and dynamic loads. The aim of this approach is to provide an in-door test-bed for the generator itself, in the absence of the engine that will eventually be used as prime mover. The control method is validated on a much-smaller (benchtop- scale) hardware-in- the-loop (HIL) implementation of the engine emulator system. The motor speed controller tracks the output speed of a simulated real-time engine model in order to generate appropriate voltage and frequency demands for the variable speed inverter that drives the motor. The inertia of the synchronous motor is varied by adding inertial loading to its shaft in order to study the effect of emulating a prime mover with a higher inertia than the emulator motor. Experimental results show that the emulator motor is able to track the engine speed with excellent accuracy when its inertia is lower than the engine model. But, when the emulator motor inertia is higher than the engine model the speed tracking performance of the motor presents a dynamic lag and it requires a larger control effort.
Recently, interior permanent magnet synchronous motor (IPMSM) is widely used in various applications, such as electric vehicles and compressors. It has a high requirement in wide load variations, high speed condition, stability, providing a fast response and most important thing is that it can be applied easily and efficiently. However, the control of IPMSM is more difficult than surface permanent magnet synchronous motor (SPMSM) because its nonlinearity due to the non-zero d-axis current which can be zero in SPSM but not IPMSM. In this paper, the IPMSM is controlled very efficient algorithm by using the combination of linear control and fuzzy control with linear models depending on certain operating points. The H¿ linear matrix inequality (LMI) based integral sliding mode control is also used to ensure the robustness. The membership functions of this paper are easy to be determined and implemented easily.
This paper presents the results of a simulation for synchronous motor speed control using a Direct Torque Control (DTC). This technique was object of a deep study for synchronous motor drives instead of precise closed loop speed control. However, this technique presents some problems such as, high influence of the motor parameters. The sliding mode controller is a model- based approach used to improve the robustness of the control law despite this influence and to illustrate the good performance of this technique.
To assist in providing a uniform method for calculating and measuuring torque pulsations which occur during starting of synchronous motors. Synchronous motors as discussed in this guide specifically refer to salient-pole type motors with wound main field circuits with either a continuous or interrupted amortisseur cage/ In modern installations, direct current is applied to the main field by means of ...
The procedures for installation, described in this Guide, apply to all types of synchronous generators and generator/motors rated 5000 kVA and above to be coupled to hydraulic turbines or hydraulic pump/turbines having vertical shafts. All references made in this Guide to generators" apply equally to "generator/motors"."