speed control stepper motor arduino
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
...
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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 ... 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
ô
SPC Gas Springs,
cushioned 2486.12.
FIBRO SPC Gas Springs Speed Control
TM
ô 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
ô
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 àm/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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robot building manual full with electronic ad stepper motor tekniks doc
Ngày tải lên :
27/06/2014, 18:20
... y8 w9 h9" alt=""
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Stepper motor pot
Ngày tải lên :
12/07/2014, 06:20
... links
ã Stepper Motors Guide
ã Stepper Motor Basics
ã Stepper Motor System Selection Guide
ã Control of Stepping Motors - A Tutorial - Douglas W. Jones, The University of Iowa
ã Stepper Motor Drivers: ... way, the motor can be turned by a precise angle.
[edit] Stepper motor characteristics
1. Stepper motors are constant power devices.
2. As motor speed increases, torque decreases. (most motors exhibit ... closed-loop commutation
ã 4 Types
ã 5 Two-phase stepper motors
o 5.1 Unipolar motors
o 5.2 Bipolar motor
ã 6 Higher-phase count stepper motors
ã 7 Stepper motor drive circuits
o 7.1 L/R drive circuits
o...
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Robot Building Manual Full With Electronic Ad Stepper Motor Teknik Part 4 pps
Ngày tải lên :
10/08/2014, 02:20
... SCHEMATIC
+5v
gnd
8-tooth gear
attached to motor shaft
Polaroid motor 2x4 LEGO plate
glued to motor
Gear center perfectly
aligned with LEGO hole
24 24
Polaroid motor
LEGO Jig, side view
LEGO Jig, ... 330
ohm
(white)
(blue)
47K
(on main board)
(violet)
(green)
EQUIVALENT CIRCUIT
SIGNAL
OUT
Side View
Motor power contacts
Motor shaft
Motor Mount Tubing
Place glue here,
on outside of tubing
Soldering Iron
Heat from ... Collector
Pin 3. Anode
Pin 4. Emitter
2.2Kohm
Emitter
D
+
+
E
MOC70V
Bi-Directional Motor
and Infrared Beacon
Uni-Directional Motor,
LED, Incandescent Lamp
Sensor, Polarized
Sensor, Non-polarized
...
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