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BRUSHLESS DC ELECTRIC MOTOR


Posted by: seminar class
Created at: Thursday 17th of March 2011 06:22:40 AM
Last Edited Or Replied at :Thursday 18th of August 2011 02:31:54 AM
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everal advantages over brushed DC motors, including more torque per weight and efficiency, reliability, reduced noise, longer lifetime (no brush and commutator erosion), elimination of ionizing sparks from the commutator, more power, and overall reduction of electromagnetic interference (EMI). With no windings on the rotor, they are not subjected to centrifugal forces, and because the windings are supported by the housing, they can be cooled by conduction, requiring no airflow inside the motor for cooling. This in turn means that the motor's internals can be entirely enclosed ..................[:=> Show Contents <=:]



SPEED CONTROL OF DC MOTOR USING PWM TECHNIQUE


Posted by: venki2210
Created at: Sunday 27th of November 2011 07:27:49 PM
Last Edited Or Replied at :Monday 20th of February 2012 05:07:22 AM
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PLEASE SEND ME THE REPORT WITH CKT DIAGRAMS TO MY E..................[:=> Show Contents <=:]



mathematicalmodelling of brushless DC motor


Posted by: jkarthickeyan
Created at: Thursday 22nd of April 2010 01:14:29 AM
Last Edited Or Replied at :Thursday 22nd of April 2010 01:14:29 AM
mathematicalmodelling of brushless DC motor, dc motor speed controlmathematicalmodelling , dc motor speed controldc motor parts, high torque dc motors , 48 volt dc motor, ac and dc motors , linear dc motor, dc permanent magnet motor , micro dc motors, johnson dc motor , advanced dc motors, dc motor torque , simple dc motor, 6v dc motor , dc motor parts, brushless , motor, mathematicalmodelling of brushless dc motor ,
hi frns

karthikeyan here. did any one doing proj on mathemati..................[:=> Show Contents <=:]



SPEED SENSORLESS SEPARATELY EXCITED DC MOTOR DRIVE WITH AN ADAPTIVE OBSERVER report


Posted by: project topics
Created at: Sunday 18th of April 2010 11:49:49 AM
Last Edited Or Replied at :Tuesday 05th of October 2010 04:31:53 AM
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tead of actual speed is given
Adaptive observer :
Speed estimation :
From the equation (5) and (6) the error equation Where H are the feedback gains of the adaptive observer and ˜^™ denotes the estimated value of the adaptive observer is given by
From the error equation the speed estimation error can be derived by
From equation (7) and (9) the block diagram shown below is obtained
CHAPTER 6
STABILITY ANALYSIS
6.1Conditions for a stable system:
A system is said to be stable if its output is bounded for any bounded input. The closed loop transfer function can be expressed ..................[:=> Show Contents <=:]



An Adaptive Programming Model for Fault-Tolerant Distributed Computing for more htt


Posted by: maheshreddy589
Created at: Friday 26th of March 2010 01:28:39 PM
Last Edited Or Replied at :Tuesday 14th of February 2012 02:07:58 AM
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sir i want full documentation for this poject if any boby help me in this it is very essential for us.....................[:=> Show Contents <=:]



pmdc motor


Posted by: chodekiran
Created at: Friday 05th of March 2010 12:25:10 AM
Last Edited Or Replied at :Friday 05th of March 2010 12:25:10 AM
permanent magnet dc motors , permanent magnet dc motorsdc motor specifications, permanent magnet dc motor , pmdc motor manufacturer, pmdc motors india , dc motor speed control, dc shunt motor , servo motor, rotomag motors , electric motor, dc machines , brushless dc motor, ac motor , synchronous motor, dc motor specifications , pmdc motor, pmdc , motor, basics of pmdc motor , topics related to pmdc motor,
related topics f..................[:=> Show Contents <=:]



electrical engineering projects for college students


Posted by: electronics seminars
Created at: Friday 15th of January 2010 01:32:47 PM
Last Edited Or Replied at :Monday 05th of March 2012 09:14:51 AM
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or With Voltage and Frequency Regulated by a Reduced-Rating Voltage Source Inverter
p. Direct Torque Control of Five-Phase Induction Motor Using Space Vector Modulation with Harmonics Elimination and Optimal Switching Sequence
q. New DTC Control Scheme for Induction Motors fed with a Three-level Inverter
r. A Closed Loop Observer for Rotor Flux Estimation in Induction Machines
s. Matlab/Simulink Implementation for Reducing the Motor Derating and Torque Pulsation of Induction Motor using Matrix Converter
t. A New Topology for Unipolar Brushless DC Motor Drive with High Power Factor
..................[:=> Show Contents <=:]



Brushless Servomotor


Posted by: computer science crazy
Created at: Saturday 20th of September 2008 11:16:47 PM
Last Edited Or Replied at :Thursday 07th of February 2013 06:16:51 AM
Servomotor , Brushless, report on servomotor , brushless servomotor seminar report, brushless dc servo motor project ,
n of current at right angles in a dc motor. This is enabled by the use of rectifiers (a commutator and brushes).The brushless servomotor lacks the rectifiers that the ..................[:=> Show Contents <=:]



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