arduino stepper motor speed control potentiometer

Ngày tải lên: 18/12/2013, 22:06

... 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 ... well-behaved speed- torque characteristics, and adaptability to various types of control methods. DC motors are classified as either integral-horsepower motors (≥ 1 hp) or fractional-horsepower motors ... power amplifier. Motor speed is measured using an analog tachometer. Figure 2. Physical System Mechatronics Kevin Craig DC Motor / Tachometer Closed-Loop Speed Control System 5 Most...

Ngày tải lên: 25/01/2014, 13:20

... Table of Contents 1. STEPPER MOTOR SYSTEMS OVERVIEW 2 2. STEPPING MOTORS 3 TYPES OF STEPPER MOTORS 3 VARIABLE RELUCTANCE 3 PERMANENT MAGNET 3 HYBRID 4 MOTOR WINDINGS 4 UNIFILAR ... including; Stepper Motor, Linear Step Motor, DC Brush, Brushless, Servo, Brushless Servo and more. This document will concentrate on Step Motor technology. In Theory, a Stepper motor is a marvel ... exhibited at low speeds and decreasing torque with increasing speed. _____________________________________________________________________________________ www.stepcontrol.com 1 Stepper Motor System...

Ngày tải lên: 25/10/2012, 15:38

Ngày tải lên: 17/12/2013, 14:15

Ngày tải lên: 28/12/2013, 22:07

Ngày tải lên: 01/01/2014, 20:29

... INPUT DESCRIPTION The L297 Stepper Motor Controller IC generates four phase drive signals for two phase bipolar and four phase unipolar step motors in microcomputer- controlled applications. The motor can be ... throughout. 5/11 L297 APPLICATION INFORMATION TWO PHASE BIPOLAR STEPPER MOTOR CONTROL CIRCUIT This circuit drives bipolar stepper motors with winding currents up to 2A. The diodes are fast 2A types. Figure ... regulate load current if CONTROL input is low. 6 B Motor phase B drive signal for power stage. 7 C Motor phase C drive signal for power stage. 8 INH2 Active low inhibit control for drive stages...

Ngày tải lên: 20/01/2014, 02:20

...  Overview of Gas Springs 2 . 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. cushioned subject to alterations Force in daN at Piston...

Ngày tải lên: 22/01/2014, 02:20

Ngày tải lên: 16/03/2014, 12:20

... Design Competition

Ngày tải lên: 22/03/2014, 11:20

... the step height equal to 25 nm. At a constant speed of 30 µm/s (a), with a dynamic control (b), and with a dynamic control and at a variable speed (c). Figure 2. Comparative line traces for ... K τ . As a result, the speed of a closed-loop control system (that is, without loss of surface) is determined by the time constant 0 0 i G K τ . Feedback speed, the speed of the actuator, ... dynamic controller on ‘parachuting’ regions. Furthermore, we propose to use variable scan speed on ‘upward step’ regions, with the speed determined by the error signal of the closed-loop control. ...

Ngày tải lên: 21/06/2014, 17:20

Ngày tải lên: 27/06/2014, 18:20

Ngày tải lên: 29/06/2014, 09:20

Ngày tải lên: 12/07/2014, 06:20

... 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 ... 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 ... 6.10. The speed response of the control system where the proportional gain of the speed controller is increased As you can see, the transient response is faster as it follows the speed command...

Ngày tải lên: 27/10/2013, 23:15

Ngày tải lên: 13/12/2013, 00:56

Ngày tải lên: 13/12/2013, 03:40

Ngày tải lên: 25/12/2013, 05:17

... Inc. BACK EMF CONTROL METHOD The back electro-magnetic-force (EMF) or sensorless motor control method obtains the speed and position of the motor directly from the voltage at the motor windings. ... stable, reliable and cost-effective control system. Further details on motor control circuits and sensors are provided in several books, including Motor Control Electronics” (10). In addition, ... Parekh, Rakesh, “AN889 - VF Control of 3- Phase Induction Motors using PIC16F7X7 Microcontrollers”, Microchip Technology Inc., 2003. 10. Valentine, Richard, editor, Motor Control Elec- tronics Handbook”,...

Ngày tải lên: 03/01/2014, 18:55