Analysis, design and control of permanent magnet synchronous motors for wide speed operation
... 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
... 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
Analysis, design and implementation of high performance control schemes in renewable energy source based DC AC inverter for micro grid application
... ANALYSIS, DESIGN AND IMPLEMENTATION OF HIGH PERFORMANCE CONTROL SCHEMES IN RENEWABLE ENERGY SOURCE BASED DC/ AC INVERTER FOR MICRO- GRID APPLICATION SOUVIK DASGUPTA (M.Engg., Bengal Engineering ... injected into the grid Pgrid Average power injected into the grid PL , QL Active and reactive power consumption of load Pinv , Qinv Active and reac...
Ngày tải lên: 09/09/2015, 18:56
Analysis, design and implementation of high performance control schemes for three phase PWM AC DC voltage source converter
... ANALYSIS, DESIGN AND IMPLEMENTATION OF HIGH PERFORMANCE CONTROL SCHEMES FOR THREE PHASE PWM AC- DC VOLTAGE SOURCE CONVERTER XINHUI WU (B.Eng(Hons.), SJTU, Shanghai, China) A THESIS SUBMITTED FOR ... advantage of providing high dynamic performance Hence, this thesis is aimed at developing active control solutions to achieve high performance for...
Ngày tải lên: 11/09/2015, 16:02
Analysis and determination of cogging torque and unbalanced magnetic forces in permanent magnet spindle motors for hard disk drives
... the electromagnetic forces are extremely stringent Electromagnetic forces such as the cogging torque and unbalanced magnetic pull (UMP) generated in the permanent magnet spindles are of great concerns ... Modeling and Analysis of PM Brushless DC Motors 2.1 Electromagnetic Field in PM Brushless DC Motors In order to study the electromagnetic forces and t...
Ngày tải lên: 15/09/2015, 22:03
Strategy for the instantaneous torque control of permanent magnet brushless DC drives2
... 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
MECHANICAL DESIGN AND CONTROL OF THE PENDUBOT potx
... present the design and control of an underactuated two link robot called the Pendubot We first give details of the design of the Pendubot, discussing the components of the linkage and the interface ... Front and Side Perspective Drawings of the Pendubot direct drive control, we designed the Pendubot to hang off the side of a table coupling l...
Ngày tải lên: 31/03/2014, 23:20
guide for the analysis, design, and construction of concrete-pedestal water towers
... out -of- plumb construction and foundation tilt GUIDE FOR CONCRETE-PEDESTAL WATER TOWERS The combination of these effects is random, and the deviations implied by Eq (4-1a) should not be used as construction ... moment at the base to the top of the structure as required by ASCE for inverted pendulum structures For ease of calculation, the top of the...
Ngày tải lên: 24/10/2014, 17:26
Analysis, design and optimization of energy efficient protocols for wireless sensor networks
... ANALYSIS, DESIGN AND OPTIMIZATION OF ENERGY EFFICIENT PROTOCOLS FOR WIRELESS SENSOR NETWORKS HOANG DUC CHINH (B.Eng., Hanoi University of Technology, Vietnam) A THESIS SUBMITTED FOR THE ... 21 1.3.4 Energy Efficient Routing and Optimization Methods in Wireless Sensor Networks 24 2.1 Introduction 24 2.2 Routing Protocols for Wireless Sensor Netwo...
Ngày tải lên: 10/09/2015, 09:04
Analysis, design and optimization of offshore power system network
... ANALYSIS, DESIGN AND OPTIMIZATION OF OFFSHORE POWER SYSTEM NETWORK PARIKSHIT YADAV (B.Tech (Hons.), MNIT, Jaipur, INDIA) A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF PHILOSOPHY DEPARTMENT OF ... most of the optimization based approaches only focus on minimizing the power demanded by the thrusters and ignore the efficiency of the electrical propulsion syste...
Ngày tải lên: 10/09/2015, 09:04
Analysis, design and implementation of energy harvesting systems for wireless sensor nodes
... consumption of Sensor Nodes 10 1.2.2 Limitation of Energy Sources for Sensor Nodes 13 Energy Harvesting Solution for Wireless Sensor Node 17 1.3.1 Overview of Energy Harvesting ... ANALYSIS, DESIGN AND IMPLEMENTATION OF ENERGY HARVESTING SYSTEMS FOR WIRELESS SENSOR NODES YEN KHENG TAN M.T.D.(Mechatronics) B.Eng(Hons.) NUS, Singapore A T...
Ngày tải lên: 11/09/2015, 09:16
Investigations into design and control of power electronic systems for future microprocessor power supplies
... INVESTIGATIONS INTO DESIGN AND CONTROL OF POWER ELECTRONIC SYSTEMS FOR FUTURE MICROPROCESSOR POWER SUPPLIES Ravinder Pal Singh (B.Tech(Hons), IIT Kharagpur, India) A THESIS SUBMITTED FOR ... requirements, the design of next generation VRMs need a thorough understanding of the performance and design trade-os The supply voltage of the microprocessor w...
Ngày tải lên: 11/09/2015, 10:06
DESIGN AND CONTROL OF AUTONOMOUS MOBILE ROBOTS WITH IMPROVED DYNAMIC STABILITY 1
... mR ˜ F1 ˜ ˜ F = F2 ˜ F3 ˜ B = 0 u1 ˜ 12 0 , u = uβa B (1. 10) (1. 11) (1. 12) (1. 13) 2 ˜ M 11 = Ixf + Ixw + Ixw Cβ + mR2 Cβ + Ixf Cββa (1. 14) ˜ M13 = 2Ixw Cβ + mR2 Cβ (1. 15) ˙ ˙˙ ˜ F1 = (Ixw ... simplification and assumption, the dynamics becomes( [16 ] and [18 ]): ˙ βa = uβa ˜ q ¨ ˜ q ˜ ˜˜ ˙ M (˜)q = F (˜, q ) + B u ˜ 13 (1. 9) with α q = β ˜ γ ˜ ˜ M 11 M13 ˜ M =...
Ngày tải lên: 14/09/2015, 08:37
DESIGN AND CONTROL OF AUTONOMOUS MOBILE ROBOTS WITH IMPROVED DYNAMIC STABILITY 2
... (4 .22 ) 2IxW + mR2 M13 IxF IxF F1 0 u1 F 0 0 F = 2 , B = ,u = u2 F3 1 0 F4 where, M11 = IxF + IxW + IxW cos2 β + mR2 cos2 β + IxF cos2 (β + βa ) M13 = 2IxW ... + mR2 ) cos β sin β 2 − IxF cos (β + βa )sin(β + βa ) 2 ˙ ˙ −(2IxW + mR2 ) sin β αγ − 2IxF sin (β + βa )αγa ˙˙ ˙˙ F3 = 2( IxW + mR2 ) sin β αβ ˙ ˙ F4 = −IxF cos (β + βa ) sin (β + βa ) 2 − 2IxF...
Ngày tải lên: 14/09/2015, 08:37