FAULT DIAGNOSIS OF PERMANENT MAGNET SYNCHRONOUS MOTOR BASED ON MECHANICAL AND MAGNETIC CHARACTERISTIC ANALYSIS

... FAULT DIAGNOSIS OF PERMANENT MAGNET SYNCHRONOUS MOTOR BASED ON MECHANICAL AND MAGNETIC CHARACTERISTIC ANALYSES YU YINQUAN A THESIS SUBMITTED FOR THE DEGREEM OF DOCTOR OF PHILOSOPHY ... COMPUTATION OF UNBALANCED MAGNETIC PULL AND MECHANICAL UNBALANCED FORCE IN MOTOR 64 5.1 Fundamental theory of electromagnetic force calculation 64 5.2 Introduction of...

Ngày tải lên: 16/09/2015, 12:06

... knowledge of the non sinusoidal permanent magnet synchronous motor We are so able as well to analyse the classical control laws such as 120' voltage control for example, as to deduce of this new ... electromotiveforces, the motor being not supply Park's transformation AAer this first transfoxmation, the Pa& transfomation allows us to work in the rot...

Ngày tải lên: 03/01/2014, 19:50

... and R McElveen, “InIMPORTANCE OF duction vs permanent magnet motors, ” IEEE now profit from the advantages of PM Ind Applicat Mag., vol 15, no 6, pp 28–35, motors For single-speed applications, ... high motor efficiency when the motor is designed for and operated at 60 Hz instead of 50 Hz The difference in efficiency between 50 and 60 Hz varies with the number of po...

Ngày tải lên: 26/11/2015, 09:42

... Torque performance of SVM based DTC and Current Control for a wide speed operation 169 6.26 Power performance of SVM based DTC and Current Control for a wide speed operation ... Control of IPMSM in Wide Speed Operation 24 Outline of the Thesis 25 Analysis of Interior Permanent Magnet Synchronous Motors for Wide- Speed Operation ... pr...

Ngày tải lên: 15/09/2015, 22:06

... The development of Permanent Magnet Machines 1.1.2 Features of permanent magnet motors Permanent magnet synchronous motors iii 1.2.1 Structures and operating principles ... with the analysis and design of buried type Interior Permanent Magnet Synchronous Motors (IPMSM) The objective is to develop a design optimization procedure for this type of...

Ngày tải lên: 04/10/2015, 15:45

... certification for its worldwide headquarters, design and wafer fabrication facilities in Chandler and Tempe, Arizona; Gresham, Oregon and design centers in California and India The Company’s quality ... the motors’ characteristic parameters implied in the control of the air gap field weakening The effect of the armature d-axis current over the air gap field weakening depen...

Ngày tải lên: 11/01/2016, 17:05

... applications From the above fact, we have chosen dissertation topic is Research on fabrication and the physical properties of the multi-component ceramics based on PZT and the relaxor ferroelectric materials ... study the effect of Zr/Ti ratio in PZT on the structure, and the properties of the PZT - PZN - PMnN ceramics, determine...

Ngày tải lên: 04/12/2014, 02:54

... agent -based simulation and counterterrorism, defense modeling, and simulation Moon has a PhD in computation, organization, and society from Carnegie Mellon University Contact him at icmoon@smslab.kaist.ac.kr ... al., “The Social Network and Relationship Finder: Social Sorting for Email Triage,” Proc Conf E-mail and Anti-Spam, 2005; http://www.ceas.cc/2005/papers/149.pdf L...

Ngày tải lên: 22/03/2014, 22:26

... 진단 Fault Diagnosis of Induction Motors using Signal Processing based Methods and Optimal Feature Selection 지도교수 이홍희 이 논문을공학박사학위 논문으로 제출함 2008 년 12 월 울산대학교 대학원 전기전자정보시스템공학부 웬옥투 Fault Diagnosis of ... Diagnosis of Induction Motors using Signal Processing based Methods and Optimal Feature...

Ngày tải lên: 13/11/2014, 06:43

... is vital to machine analysis as it is a fast and low-cost way of predicting machine performances Traditional analytical methods, such as lumped parameter models are computationally fast and simple ... It also deals with the parameter estimation of permanent magnet synchronous machines using both experimental and computational methods A line-start interior permanent...

Ngày tải lên: 15/09/2015, 22:17

... to characterize the material Another type of material that is characterized by a broad hysteresis loop is called hard magnetic material 1.3.1 Hard magnetic materials (Permanent magnets) Permanent ... commutator motor: The construction of a permanent magnet DC motor( PMDC) is similar to a DC conventional motor with the electromagnetic excitation system replaced by per...

Ngày tải lên: 16/09/2015, 12:26

... the DSP controller together with the inner loop controller Both the sinusoidal current control and the instantaneous torque control are tested with the speed controller The time response of the ... simulated torque from the motor model is used as the feedback torque signal, i.e the feedback is ideal Therefore, the simulated performance of the controller...

Ngày tải lên: 03/01/2014, 19:52

... torque may be instantaneously obtained Combining (14. 4-7), (14. 4-10)– (14. 4-12), (14. 4-19), (14. 11-7), and (14. 11-8) yields 578 PERMANENT- MAGNET AC MOTOR DRIVES ⎡ rrl ⎢ − Lrl ⎢ ˆ ⎡ ir ⎤ ⎢ ⎢ ⎥ ⎢ ˆ ⎢ ... triangle-modulated, or space-vector-modulated inverter to an idealized source is established 544 PERMANENT- MAGNET AC MOTOR DRIVES The six-stepped inverter-based perm...

Ngày tải lên: 16/02/2014, 18:54

... this article as: Li and Xiao: Fault diagnosis of Tennessee Eastman process using signal geometry matching technique EURASIP Journal on Advances in Signal Processing 2011 2011:83 Submit your manuscript ... diagnosis using PC1DARMF algorithm 3.1 Introduction to Tennessee Eastman process (TEP) Tennessee Eastman process is first proposed by Downs and Vogel [12]...

Ngày tải lên: 20/06/2014, 22:20

... and its ZCP waveforms based on modified algorithm Captured voltage and current waveforms for VDC = 5V Captured voltage and current waveforms for VDC = 8.48V Captured waveforms for VDC = 8.48V ... drive is conventionally applied on BLDC motors, a class of permanent magnet motors with trapezoidal back-EMFs, for smooth torque production In three phase BLDC drives, the motor is ty...

Ngày tải lên: 11/09/2015, 09:07