0

motor speed control pwm

Tài liệu Mechatronics DC Motor / Tachometer Closed-Loop Speed Control System ppt

Tài liệu Mechatronics DC Motor / Tachometer Closed-Loop Speed Control System ppt

Cơ khí - Chế tạo máy

... pulse-width-modulated (PWM) power amplifier. Motor speed is measured using an analog tachometer. Figure 2. Physical System Mechatronics Kevin Craig DC Motor / Tachometer Closed-Loop Speed Control ... root-locus domain. Mechatronics Kevin Craig DC Motor / Tachometer Closed-Loop Speed Control System 24 Mechatronics DC Motor / Tachometer Closed-Loop Speed Control System 1. Introduction This ... (armature) of the motor is available to drive an external load. DC motors are widely used in numerous control applications because of features such as high torque, speed controllability over...
  • 29
  • 724
  • 0
Tài liệu Speed Control SPC GAS SPRINGS, cushioned pptx

Tài liệu Speed Control SPC GAS SPRINGS, cushioned pptx

Kĩ thuật Viễn thông

... Overview of Gas Springs2 . 21369 . 2007 . 1  Speed Control TM« SPC Gas Springs, cushioned 2486.12.FIBRO SPC Gas Springs Speed Control TM« are designed to reduce or eliminate the ... caused by the increased return travel speed in high speed presses (link drive presses).SPC Gas Springs feature an integral return travel delay which reduces the speed of the gas spring to 0.4 m/s ... 2 . 21370 . 2007 . 1 3 Speed Control TM« SPC Gas Springs, 2486.12. cushionedsubject to alterationsForce in daN at Piston...
  • 4
  • 334
  • 0
Design and Implementation of a Three-Phase Induction Motor Control Scheme

Design and Implementation of a Three-Phase Induction Motor Control Scheme

Cơ khí - Chế tạo máy

... 3.1. The basic control format In essence, we are endeavoring to design a controller that can vary the torque induced in the rotor of the motor. To do this, the induction motor controller will ... generator of the DSP controller. The DSP controller will manipulate this control signal to produce signals that the induction motor can operate off. These signals will be converted to PWM (Pulse-Width ... for an induction motor An induction motor is an asynchronous AC (alternating current) motor. The least expensive and most widely used induction motor is the squirrel cage motor. The major...
  • 93
  • 693
  • 1
Tài liệu A neural-network-based space-vector PWM controller for a three-level voltage-fed inverter induction motor drive doc

Tài liệu A neural-network-based space-vector PWM controller for a three-level voltage-fed inverter induction motor drive doc

Cơ khí - Chế tạo máy

... da Silva, and M. P. Kazmierkowski,“A neural network based space vector PWM controller for voltage-fedinverter induction motor drive,” IEEE Trans. Ind. Applicat., vol. 36, pp.1628–1636, Nov./Dec. ... Pinto, B. K. Bose, and L. E. B. da Silva, “A stator flux orientedvector-controlledinduction motor drive with space vector PWM and fluxvector synthesis by neural networks,” IEEE Trans. Ind. Applicat., ... paper awards.MONDAL et al.: A NEURAL-NETWORK-BASED SPACE VECTOR PWM CONTROLLER 663III. NEURAL-NETWORK-BASEDSPACE-VECTOR PWM The derivation of turn-on times and the correspondingfunctions,...
  • 10
  • 521
  • 0
Motor control sensor feedback circuits

Motor control sensor feedback circuits

Tài liệu khác

... comparator circuits.FIGURE 13: Block Diagram of a Sensorless BLDC Motor Control. 3-PhaseInverter BridgePIC18FXX31 PWM5 PWM4 PWM3 PWM2 PWM1 PWM0 ACBVREF_ABACK EMF ZERO-CROSSING COMPARATOR CIRCUITS ... Inc.BACK EMF CONTROL METHODThe back electro-magnetic-force (EMF) or sensorless motor control method obtains the speed and position ofthe motor directly from the voltage at the motor windings. ... Parekh, Rakesh, “AN889 - VF Control of 3-Phase Induction Motors using PIC16F7X7Microcontrollers”, Microchip Technology Inc.,2003.10. Valentine, Richard, editor, Motor Control Elec-tronics Handbook”,...
  • 18
  • 457
  • 0
DC bus control of variable speed wind turbine using a buck boost converter

DC bus control of variable speed wind turbine using a buck boost converter

Tài liệu khác

... Operation modes of buck boost converter 2Unlike constant -speed control, a variable -speed control can adjust the speed of the turbine as the wind speed changes, so as to operate at the peak of the ... proposed MPPT control method. Fig.7: Wind turbine output power without MPPT control method for low wind speed. Fig.8: Wind turbine output power with MPPT control method for low wind speed. ... low wind speeds. Fig.9 : Wind turbine output power without MPPT control method for high wind speed. Fig.10 : Wind turbine output power with MPPT control method for high wind speed. ...
  • 5
  • 574
  • 1
New control strategy for variable speed wind turbine with DC DC converters

New control strategy for variable speed wind turbine with DC DC converters

Tài liệu khác

... available at various wind speeds, two different control algorithms are normally applied to the VSWT: pitch angle control and speed (torque) control. The pitch control algorithm is used to ... converterLOADP electSpeed Duty ratioVSWT Aero dynamical / Mechanical unitMPPTLPPTOperatorController speed d Control strategyVSWT Control unitVSWT Electrical unit Fig. 1. Control concept ... two optimum wind turbines power/torque versus speed characteristics. Two control loops: inner feed forward current control loop and outer voltage control closed loop are applied for the non-inverting...
  • 5
  • 462
  • 0
Current control techniques for three phase voltage source PWM converters  a survey

Current control techniques for three phase voltage source PWM converters a survey

Tài liệu khác

... Block scheme of FL controller, (b) control surface of con-ventional PI controller, (c) control surface of FL controller; comparison ofcurrent-tracking performance with PI and FL controller: (d) ... follows.1) VS PWM invertersa) AC motor control: This requires a wide range ofoutput frequency, variable ac-side voltage (motor EMF),high dynamic, decoupled– control structure, operationin PWM/ square-wave ... derivative arethe FL controller input crisp values. The reference voltage forthe PWM modulator are the FL-CC crisp output commandsWhen an FL controller is used as a current controller, thetracking...
  • 13
  • 723
  • 0

Xem thêm