arduino stepper motor speed control potentiometer
Tài liệu Mechatronics DC Motor / Tachometer Closed-Loop Speed Control System ppt
Ngày tải lên :
25/01/2014, 13:20
... 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...
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Stepper motor overview
Ngày tải lên :
25/10/2012, 15:38
...
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...
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Tài liệu Stepper Motor Controllers ppt
Ngày tải lên :
20/01/2014, 02:20
... 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...
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Tài liệu Speed Control SPC GAS SPRINGS, cushioned pptx
Ngày tải lên :
22/01/2014, 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...
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robot building manual full with electronic ad stepper motor teknik doc
Ngày tải lên :
22/03/2014, 11:20
... Design Competition
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báo cáo hóa học:" Scan speed control for tapping mode SPM" docx
Ngày tải lên :
21/06/2014, 17:20
... 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. ...
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Design and Implementation of a Three-Phase Induction Motor Control Scheme
Ngày tải lên :
27/10/2013, 23:15
...
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...
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Motor control sensor feedback circuits
Ngày tải lên :
03/01/2014, 18:55
... 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”,...
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