Goran Rafajlovski (25 results)

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Taschenbuch. Condition: Neu. DC Motors | Dynamics and Control | Goran Rafajlovski (u. a.) | Taschenbuch | 88 S. | Englisch | 2016 | Scholars' Press | EAN 9783639862577 | Verantwortliche Person für die EU: preigu GmbH & Co. KG, Lengericher Landstr. 19, 49078 Osnabrück, mail[at]preigu[dot]de | Anbieter: preigu.

Taschenbuch. Condition: Neu. INDUCTION MOTORS Dynamics and Vector Control | Goran Rafajlovski (u. a.) | Taschenbuch | 152 S. | Englisch | 2015 | Scholars' Press | EAN 9783639861655 | Verantwortliche Person für die EU: OmniScriptum GmbH & Co. KG, Bahnhofstr. 28, 66111 Saarbrücken, info[at]akademikerverlag[dot]de | Anbieter: preigu.

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Taschenbuch. Condition: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -In this book design and synthesis of microprocessor controlled DC drive system in start-stop working mode is presented. The motor is fed from three - phase thyristor converter without circulating current. The design of position control is based on cascade principle with optimal speed control adjusted by means of modulus optimization method. Synthesis of the system is based on Z-transformation and bi-linear conform copying from Z-plane to W-plane of complex pseudo frequency. Velocity is measured with incremental encoder using M/T method. Software realization of digital speed and position controller is obtained, using direct realization of the recursive algorithm. The results of synthesis, using module and symmetrical optimization method are compared with the results obtained by simulation of the control system. The speed and position control are realized digitally by means of a microcomputer EPAC 68008, a real time operating system, RTOS, and the PEARL language.By directly implementing the recursive algorithm, a simple practical implementation of an adaptive PI-speed controller and PD-position controller is presented. 88 pp. Englisch.

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Taschenbuch. Condition: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Vector control is a method for dynamic control of the speed torque and power factor of the induction motor through permanent control of the intensity and the angle of the space vectors of the electromagnetic variables. The basic idea of the Field Oriented Control (FOC) algorithm is decoupling the stator current into flux and torque producing components. Both components can be controlled separately after decoupling. The structure of the motor controller is then as simple as that for a separately excited DC motor. Direct vector FOC control system is based on measurement, acquisition and (or) estimation of the space angle of the rotor's flux. Unlike the control system which is oriented to the space vector of the rotor's flux, on the dynamic model in a d-q coordinate system of IM and PWM of the voltage inverter, thereby using linear control technique and linear controllers, the direct torque control systems (DTC) are based on the space angle of the stator flux, on the dynamic model of the induction motor in a stationary frame of reference and on the space-vector modulation of the inverter. DTC method is based on non-linear control techniques and non-linear controllers. 152 pp. Englisch.

Condition: New. Dieser Artikel ist ein Print on Demand Artikel und wird nach Ihrer Bestellung fuer Sie gedruckt. Autor/Autorin: Rafajlovski GoranProf.Dr. Goran Rafajlovski is a full Professor in the Faculty of Electrical Engineering and Information Technologies Skopje and invited guest professor at the SRH University Berlin. He is a Member of IEEE IAS Power E.

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Condition: New. Dieser Artikel ist ein Print on Demand Artikel und wird nach Ihrer Bestellung fuer Sie gedruckt. Autor/Autorin: Rafajlovski GoranProf. Dr. Goran Rafajlovski is full professor at Ss. Cyril and Methodius University Skopje, and invited Lecturer at SRH University in Berlin in the field of Renewable Energy and Energy markets. His field of interest .

Condition: New. Dieser Artikel ist ein Print on Demand Artikel und wird nach Ihrer Bestellung fuer Sie gedruckt. Autor/Autorin: Digalovski MihailMihail Digalovski, memeber of IEEE and CIGRE, received his Ph.D in Electrical Engineering in 2014. He has published more than 40 scientific Papers in Journals and Conferences. His field of interest is electrical mac.

Taschenbuch. Condition: Neu. This item is printed on demand - Print on Demand Titel. Neuware -In this book design and synthesis of microprocessor controlled DC drive system in start-stop working mode is presented. The motor is fed from three - phase thyristor converter without circulating current. The design of position control is based on cascade principle with optimal speed control adjusted by means of modulus optimization method. Synthesis of the system is based on Z-transformation and bi-linear conform copying from Z-plane to W-plane of complex pseudo frequency. Velocity is measured with incremental encoder using M/T method. Software realization of digital speed and position controller is obtained, using direct realization of the recursive algorithm. The results of synthesis, using module and symmetrical optimization method are compared with the results obtained by simulation of the control system. The speed and position control are realized digitally by means of a microcomputer EPAC 68008, a real time operating system, RTOS, and the PEARL language.By directly implementing the recursive algorithm, a simple practical implementation of an adaptive PI-speed controller and PD-position controller is presented.VDM Verlag, Dudweiler Landstraße 99, 66123 Saarbrücken 88 pp. Englisch.

Taschenbuch. Condition: Neu. nach der Bestellung gedruckt Neuware - Printed after ordering - In this book design and synthesis of microprocessor controlled DC drive system in start-stop working mode is presented. The motor is fed from three - phase thyristor converter without circulating current. The design of position control is based on cascade principle with optimal speed control adjusted by means of modulus optimization method. Synthesis of the system is based on Z-transformation and bi-linear conform copying from Z-plane to W-plane of complex pseudo frequency. Velocity is measured with incremental encoder using M/T method. Software realization of digital speed and position controller is obtained, using direct realization of the recursive algorithm. The results of synthesis, using module and symmetrical optimization method are compared with the results obtained by simulation of the control system. The speed and position control are realized digitally by means of a microcomputer EPAC 68008, a real time operating system, RTOS, and the PEARL language.By directly implementing the recursive algorithm, a simple practical implementation of an adaptive PI-speed controller and PD-position controller is presented.

Taschenbuch. Condition: Neu. This item is printed on demand - Print on Demand Titel. Neuware -Vector control is a method for dynamic control of the speed torque and power factor of the induction motor through permanent control of the intensity and the angle of the space vectors of the electromagnetic variables. The basic idea of the Field Oriented Control (FOC) algorithm is decoupling the stator current into flux and torque producing components. Both components can be controlled separately after decoupling. The structure of the motor controller is then as simple as that for a separately excited DC motor. Direct vector FOC control system is based on measurement, acquisition and (or) estimation of the space angle of the rotor¿s flux. Unlike the control system which is oriented to the space vector of the rotor¿s flux, on the dynamic model in a d-q coordinate system of IM and PWM of the voltage inverter, thereby using linear control technique and linear controllers, the direct torque control systems (DTC) are based on the space angle of the stator flux, on the dynamic model of the induction motor in a stationary frame of reference and on the space-vector modulation of the inverter. DTC method is based on non-linear control techniques and non-linear controllers.VDM Verlag, Dudweiler Landstraße 99, 66123 Saarbrücken 152 pp. Englisch.

Taschenbuch. Condition: Neu. nach der Bestellung gedruckt Neuware - Printed after ordering - Vector control is a method for dynamic control of the speed torque and power factor of the induction motor through permanent control of the intensity and the angle of the space vectors of the electromagnetic variables. The basic idea of the Field Oriented Control (FOC) algorithm is decoupling the stator current into flux and torque producing components. Both components can be controlled separately after decoupling. The structure of the motor controller is then as simple as that for a separately excited DC motor. Direct vector FOC control system is based on measurement, acquisition and (or) estimation of the space angle of the rotor's flux. Unlike the control system which is oriented to the space vector of the rotor's flux, on the dynamic model in a d-q coordinate system of IM and PWM of the voltage inverter, thereby using linear control technique and linear controllers, the direct torque control systems (DTC) are based on the space angle of the stator flux, on the dynamic model of the induction motor in a stationary frame of reference and on the space-vector modulation of the inverter. DTC method is based on non-linear control techniques and non-linear controllers.