wireless dc motor speed and direction control using rf communication pdf
Tài liệu Controlling the Playback Speed and Direction of a Timeline docx
Ngày tải lên :
24/12/2013, 07:17
... you can control
the direction in which the timeline moves as well as its speed by using ActionScript. In
fact, by combining scripting elements (which control direction) with the onEnterFrame ...
< Day Day Up >
Controlling the Playback Speed and Direction of a Timeline
Normally, a movie's timeline plays in a forward direction at a pace dictated by the fps ... the main timeline is between Frames 50 and 100.
Using the _currentframe property in conjunction with a gotoAndPlay() action allows you
to control the direction as well as the pace in which...
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Tài liệu Electronics and Circuit Analysis Using MATLAB P12 pdf
Ngày tải lên :
13/12/2013, 01:15
... CRC Press LLC
and
III
CFFR
=−
α
(12.3)
II I
EFRR
=− +
α
(12.4)
and
()()
III
BFFRR
=− +−
11
αα
(12.5)
where
I
ES
and
I
CS
are the base-emitter and base-collector ...
reference and output currents for the
β
F
from 40 to 200. Assume that for
both figures,
VV
CC
=
10 ,
RK
C
=
50
Ω
and
VV
BE
=
07
Solution
We use Equation (12.50) to calculate
I
R
and ... for the simple current
mirror and Wilson current source.
Figure 12.12 Percentage Error between Reference and Output
Currents for Simple Current Mirror and Wilson
Current Source
...
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Tài liệu Electronics and Circuit Analysis Using MATLAB P7 pdf
Ngày tải lên :
13/12/2013, 01:15
...
Figure 7.1 General Two-Port Network
I
1
and
V
1
are input current and voltage, respectively. Also,
I
2
and
V
2
are
output current and voltage, respectively. It is assumed that the ...
V
1
and
I
1
in terms of the secondary (receiving end) variables
V
2
and -
I
2
. The
negative of
I
2
is used to allow the current to enter the load at the receiving
end. Examples 7.5 and ... problems involving paral-
lel, series and cascaded two-port networks is shown. Example problems in-
volving both passive and active circuits will be solved using MATLAB.
7.1 TWO-PORT NETWORK...
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Tài liệu Electronics and Circuit Analysis using MATLAB P2 pdf
Ngày tải lên :
19/01/2014, 20:20
...
polar, contour and 3-D plots, and bar charts. MATLAB also allows one to
give titles to graphs, label the x- and y-axes, and add a grid to graphs. In
addition, there are commands for controlling ... 56, 27 and 43 (b) 5, 12 and 13.
â 1999 CRC Press LLC
â 1999 CRC Press LLC
2.3 LOGARITHMIC AND POLAR PLOTS
Logarithmic and semi-logarithmic plots can be generated using the commands
loglog, ... implying, plot x versus y using green color. Line and mark style may be added
to color type using the command
plot(x, y, ’+w’)
The above statement implies plot x versus y using white + marks....
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Tài liệu introduction to oracle: SQL and PL / SQL using procedure builder pdf
Ngày tải lên :
24/01/2014, 10:20
... Contributors
and Reviewers
Christian Bauwens
Debra Bowman
Lenny Brunson
Jackie Collins
Ralf Durben
Brian Fry
Anthony Holbrook
Karlene Jensen
Sarah Jones
Glenn Maslen
Sundar Nagarathnam
Sandra Schrick
Ulrike ... Oracle Corporation; it is
provided under a license agreement containing restrictions on use and discloĆ
sure and is also protected by copyright law. Reverse engineering of the software
is prohibited. ... Rights and the folĆ
lowing legend is applicable:
Restricted Rights Legend
Use, duplication or disclosure by the Government is subject to restrictions for
commercial computer software and shall...
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Direct torque and indirect flux control of brushless DC motor with non sinusoidal back EMF without position sensor
Ngày tải lên :
03/01/2014, 19:45
...
α
s
V
and
β
s
V
and currents
α
s
i
and
β
s
i
, then by using (1) and (4) q-
and d-axis flux linkage are drived. Also, by usig (4) q-
and d-axis current are calculated. Finally, by using ...
conduction DTC of BLDC motor drive with six-switch inverter
scheme.
Keywords: Brushless dc (BLDC) motor, sliding mode
observer, direct torque control (DTC), stator flux control,
fast torque ... reported to control of
BLDC motor using six-switch three-phase inverter
(SSTPI).
Direct torque control (DTC) scheme was first
proposed by Takahashi [1] and Depenbrock [2] for
induction motor drives...
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Direct torque and indirect flux control of brushless DC motor
Ngày tải lên :
03/01/2014, 19:46
... well.
A
PPENDIX
I
S
PECIFICATIONS AND
P
ARAMETERS OF THE
BLDC M
OTOR
A
PPENDIX
II
OZTURK AND TOLIYAT: DIRECT TORQUE AND INDIRECT FLUX CONTROL OF BRUSHLESS DC MOTOR 357
Fig. 7. Steady state and transient behavior ... Brushless DC Motor
Salih Baris Ozturk, Member, IEEE, and Hamid A. Toliyat, Fellow, IEEE
Abstract—In this paper, the position-sensorless direct torque and
indirect flux control of brushless dc (BLDC) motor ... position-sensorless
control, stator flux control, torque pulsation.
I. I
NTRODUCTION
T
HE permanent-magnet synchronous motor (PMSM) and
brushless dc (BLDC) motor drives are used extensively in
several high-performance...
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Tài liệu Mechatronics DC Motor / Tachometer Closed-Loop Speed Control System ppt
Ngày tải lên :
25/01/2014, 13:20
... schematic diagram of a DC motor is shown in Figure 6.
Figure 6. Schematic Diagram of a DC Motor
Mechatronics Kevin Craig
DC Motor / Tachometer Closed-Loop Speed Control System 10
ã ... error, wearout, and related problems.
Mechatronics Kevin Craig
DC Motor / Tachometer Closed-Loop Speed Control System 11
The DC motor/ tachometer system has a single input and a single output. ... 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...
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Direct torque control of four switch brushless DC motor with non sinusoidal back EMF
Ngày tải lên :
03/01/2014, 19:46
... only the torque is controlled without speed control,
the time range of control system under transient state is
selected short. The motor speeds up to a very large value
if the motor is run longer ... unpredictable and depends on several
factors such as sampling time, dc- link voltage, hysteresis
bandwidth, motor parameters especially the winding
inductance, motor speed, snubber circuit, and the ... be controlled using hysteresis controllers, then
those voltage space vectors cannot be used in two-phase
BLDC motor drive. On the other hand, even though
voltage vectors shown in Fig. 3(c) and...
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Pseudo vector control – an alternative approach for brushless DC motor drives
Ngày tải lên :
03/01/2014, 19:46
...
conventional control system for BLDC motor (Fig. 2). The
motor is fed by a PWM-controlled MOSFET inverter. As we
can see in Figs. 2 and 3, the currents are controlled by 3
current controllers ... emphasis the
performance of the controlled system, the speed control loop
is omitted in the Figs. 1 - 3 and the currents are controlled by
hysteresis (bang-bang) techniques.
A. Performance of ... stator current and the sinusoidal rotor flux. High-
performance PM synchronous motor drives are regulated by
the well-known vector control method, in which motor
currents are controlled in synchronously...
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Tài liệu ime Control of a Three Phase 4 Wire PWM Inverter with Variable DC Link Voltage and Battery Storage for PV Application doc
Ngày tải lên :
19/01/2014, 02:20
...
stem in vec
t
h
at the
d
and
h
ance the pe
r
o
control
A
Idc
so that
l
er
G
IC
is pr
o
principle o
f
,
t
or form
the
q
varia
b
r
formance o
f
and sep
a
and d
e
o
vided.
f
...
)
and (4) de
s
e
quations o
n
n
ce is decou
p
r
d as seen i
n
b
y the matri
x
g
s, the dead
b
s
cribe the sy
n
e can see t
h
p
led. To en
h
n
figure 3. T
o
x
es
F
dc
and
A
b
eat control
l
Figure ... unb
o
ltage
alanced loa
d
d
and contr
o
o
lled DC li
n
n
k
a
F
a
w
d
Since the d
e
f
or three ph
a
a
nd extende
F
igure 2. It
c
a
nd the DC
w
ell as dc li
summary.
T
d
escribe the
e
ad...
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Tài liệu Add, Edit, and Delete Data Using the DataGrid Control doc
Ngày tải lên :
21/01/2014, 12:20
... OnUpdateCommand="dgRegion_UpdateCommand"
OnCancelCommand="dgRegion_CancelCommand"
OnEditCommand="dgRegion_EditCommand"
OnDeleteCommand="dgRegion_DeleteCommand" ...
DataGrid control. The lines of code that you will need to add are the ones for
OnUpdateCommand, OnCancelCommand, OnEditCommand, and
OnDeleteCommand. By entering these lines as they are listed and ... being updated back to the server for the add and edit in the
next step.
5.7 Add, Edit, and Delete Data Using the DataGrid Control
The Table controls and DataRepeater are fine when I have small...
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Tài liệu Module 4: Managing Applications and Services by Using Process Control pdf
Ngày tải lên :
24/01/2014, 10:20
... module and can be conducted
simultaneously.
Module 4: Managing Applications and Services by Using Process Control 15
Process Control Components
Process Control Service
Process Control ... Process Control
service. It is a graphical user interface from
which you can configure and manage processes
and process groups.
Process Control
command-line
utility
ProcCon.exe A command-line ... processes and process groups
Managing processes by using the command line
Backing up and restoring process control information from the
command line
Identifying best practices for using...
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Báo cáo khoa học: "A DIALOGUE MANAGER USING INITIATIVE-RESPONSE UNITS AND DISTRIBUTED CONTROL" ppt
Ngày tải lên :
24/03/2014, 05:21
... interface, see figure 1. It directs the dia-
logue, assists the instantiator and deep generator and
communicates with the background system. DM can be
viewed as a controller of
resources
and ... dialogue object and another action'to integrate
- 236
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A DIALOGUE MANAGER USING INITIATIVE-RESPONSE UNITS AND
DISTRIBUTED CONTROL
Arne J0nsson
Department of Computer and Information ... trip to Greek islands which re-
stricts the search in the database to Greek islands for a
large part of the ensuing dialogue.
The communication is hierarchically structured using
three different...
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