control circuits for switched reluctance motor
Power converter control circuits for two mass vibratory conveying system with electromagnetic drive simulations and experimental results IEEE trans
Ngày tải lên :
03/01/2014, 19:16
... mathematical model for the VCS with electromagnetic
drive and power converter control circuits for its optimal control
DESPOTOVIC
´
AND STOJILJKOVIC
´
: POWER CONVERTER CONTROL CIRCUITS FOR TWO-MASS ... mentioned facts were motivation for mathemat-
ical model formulation and for further research of both the
phase angle control and switch mode control behavior for the
electromagnetic vibratory ... voltage controlled os-
cillator and controller output. This reference value is determi-
nated by reference inputs,
for amplitude and duration and
for frequency. Both of these signals are controlled...
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Pseudo vector control – an alternative approach for brushless DC motor drives
Ngày tải lên :
03/01/2014, 19:46
... machine, Vector control,
Pseudo-vector control, Torque ripple minimization.
I. I
NTRODUCTION
A. Sine-wave PM Motor vs. Square-wave Motor: Vector Control
vs. Phase Current Control
With the ... frame. For the purpose
of comparison, a typical Vector Control scheme for
synchronous motors (sine type machines) is depicted in Fig.
1, followed by a typical Phase Current Control scheme for ... 2. Typical block-diagram of Phase Current Control for BLDCM drives.
INVERTER
BLDC
motor
Load
PWM
Current
Controller
Current
Controller
Current
Controller
*
a
i
*
b
i
*
c
i
+
+
+
−
−
−
a
i
c
i
()
bac
iii=−...
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Expansion of Operating Limits for Permanent Magnet Motor by Current Vector Control
Ngày tải lên :
08/03/2014, 22:01
... irreversibly by
the flux-weakening control.
VI.
DEMAGNETIZATION
OF
PERMANENT
MAGNET
If the
PM
motor is controlled by the foregoing flux-
weakening control method, which uses the negative ...
iC;
and
i;
are transformed to the phase current commands
i;
and
i:
using the rotor angle feedback
0.
The closed-loop cur-
rent controller is responsible for controlling the
PWM
volt- ...
magnet synchronous motor for adjustable speed drives,”
IEEE
Trans.
Ind. Appl.,
vol. IA-22, pp. 738-747, JulylAug. 1986.
Y.
Takeda and T. Hirasa, “Current phase control methods for per-
manent...
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- 1
Direct control methods for matrix converter and induction motor
Ngày tải lên :
13/05/2014, 00:55
... same
time the situation for the output current controller is as in
the example above, only mode 14 satisfies both controllers
simultaneously.
This results in two direct controllers for both output
current ... basics of Direct Torque Control, Direct Current Control
and Sliding Mode Control of matrix converters.
I. INTRODUCTION
In recent years many research results on control
methods for matrix converters ... closed loop
control of a drive system consisting of matrix converter
and induction machine. Slip control and field oriented
control are the basic methods applied for closed loop
control [4]....
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- 1
New control strategy for variable speed wind turbine with DC DC converters
Ngày tải lên :
03/01/2014, 19:15
... characteristics. Two control loops: inner feed
forward current control loop and outer voltage control
closed loop are applied for the non-inverting buck-boost
converter. The performance of the ... Aero dynamical / Mechanical unit
MPPT
LPPT
Operator
Controller
speed
d
Control
strategy
VSWT Control unit
VSWT Electrical unit
Fig. 1. Control concept of VSWT with non-inverting buck-boost ... curve at 80%
LPP curve at 70%
LPP curve at 50%
Region of LPPT control
Region of MPPT control
Power [W]
Fig. 6. Regions of MPP and LPP control.
T12-122
Over again, the switch logic algorithm...
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Comparison of current control techniques for active filter application
Ngày tải lên :
03/01/2014, 19:45
... previously described current control techniques for
the active filter. The controllers include the implementation
of all the aforementioned refinements, so that the achieved
performance is, as realistically ... (PLL) control or by a feedforward action operating
on the control thresholds [29]–[31]. Fig. 3 shows the sim-
plified scheme of the implementation of such a controller.
As can be seen, the controller ... the achievable performance on the slope of the current
reference.
The improvements in the control techniques result in rather
satisfactory performance levels for all three controllers. How-
ever,...
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Current control techniques for three phase voltage source PWM converters a survey
Ngày tải lên :
03/01/2014, 19:45
... FL controller, (b) control surface of con-
ventional PI controller, (c) control surface of FL controller; comparison of
current-tracking performance with PI and FL controller: (d) current waveform,
and ... Therefore,
feedforward signals for the reference
and disturbance
inputs are added to the feedback control law.
Because the control algorithm guarantees the dynamically
correct compensation for ... Optimal (mode) discrete modulation controller for RDCL
converter. (b) NN discrete modulation controller for RDCL converter.
performance of such an off-line trained NN controller depends
upon the amount...
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Tài liệu Design of Feedback Control Systems for Stable Plants with Saturating Actuators ppt
Ngày tải lên :
18/02/2014, 10:20
...
response
for
small
exogenous
signals
(reference
commands
and
disturbances).
One
way
to
design
controllers
for systems
with
bounded
controls,
would
be
to
solve
an
optimal
control ...
closed
loop
control system
were
studied
extensively.
In
the presence
of
saturations
the
performance
of
a
linear
control system can
suffer.
For
example,
a
linear
control
system ...
investigation
was
made
on the
effects
on
performance
of
the
reset
windups
for
MIMO
systems
[11]
showing
potential
for
improving
the
performance
of
the
system.
A
simple
case
study...
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Practical Troubleshooting of Electrical Equipment and Control Circuits pptx
Ngày tải lên :
07/03/2014, 08:20
... single-phase AC motors 78
4.4 DC motors 81
4.5 Motor enclosures 85
4.6 Motor terminal identification and connection diagram 86
4.7 Motor rating and insulation types 88
4.8 Operating a motor for forward ...
6.10 Precautions for start/stop control of AC drives 166
6.11 Control wiring for VSDS 169
6.12 Commissioning VSDs 170
7 Troubleshooting control circuits 173
7.1 Basic control circuits 173
7.2 ... Electrical Equipment and Control Circuits
Figure 2.8
Power and control circuit for an inverter drive
Devices, symbols, and circuits 27
A few simple control circuits are shown in...
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REQUIREMENTS FOR MANUFACTURERS OF MOTOR VEHICLES AND MOTOR VEHICLE EQUIPMENT ppt
Ngày tải lên :
07/03/2014, 11:20
... Procedures
For FMVSS Compliance Test Procedures, follow this link: www.nhtsa.gov/Vehicle+Safety/Test+Procedures
G. Motorcycle and motorcycle frame engineering reports
Engineering reports for motorcycles ... manufacturer’s certification label for a motorcycle /motor- driven cycle 54
Sample manufacturer’s certification label for a trailer 54
Sample manufacturer’s certification label for a low-speed vehicle 54 ... implementing regulations establish requirements for the disclosure of information in the owner’s
manual of a motor vehicle relating to tires and the Uniform Tire Quality Grading program and the reporting...
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Manuals for Training in Cancer Control: Manual for Cytology doc
Ngày tải lên :
14/03/2014, 12:20
... instructed before coming for smear collection, that she should not
douche the vagina for at least a day before the examination. No intravaginal drugs or
preparations should be used for at least ... the
requisition form.
➤
Nature and method of sample collection are to be mentioned in the requisition
form. (Cytobrush / Spatula / Swab / for gynaecalogical smears and plain/
guided FNAC for aspiration ... mounting, record
keeping etc. are applicable to FNA also for optimal quality of diagnosis.
Manual for
Cytology
Manuals for Training in Cancer Control
Directorate General of Health Services
Ministry...
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electronic circuits for the evil genius docx
Ngày tải lên :
16/03/2014, 09:20
... Spy Gadgets for the Evil Genius
125 Physics Projects for the Evil Genius
123 PIC
đ
Microcontroller Experiments for the Evil Genius
123 Robotics Experiments for the Evil Genius
PC Mods for the Evil ... Microcontroller Projects for the Evil Genius
Programming Video Games for the Evil Genius
Recycling Projects for the Evil Genius
Solar Energy Projects for the Evil Genius
Telephone Projects for ... Projects for the Evil Genius
Bionics for the Evil Genius: 25 Build-It-Yourself Projects
Electronic Circuits for the Evil Genius, Second Edition: 64 Lessons with Projects
Electronic Gadgets for the...
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- 1
Infectious Disease Control Guide for School Staff ppt
Ngày tải lên :
22/03/2014, 09:20
... and procedures for local school
Infectious Disease Control Guide 24 April 2004
for School Staff
Conjunctivitis (Pink Eye) (cont.)
Future Prevention and Education
Reinforce the use ... Disease Control Guide 17 April 2004
for School Staff
Bites (cont.)
5. Investigate bites for child abuse, if necessary.
6. Retain thorough documentation and evidence.
Infectious Disease Control ... and Chapter 70.02 RCW. Refer to Guidelines for
Handling Health Care Information in School Records. (See Resources, Appendix
XIII, for source.) Therefore, pregnant teachers who may be exposed...
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Hướng dẫn cài và sử dụng iCloud Control Panel for Windows potx
Ngày tải lên :
03/04/2014, 14:20
... bạn với sự hỗ trợ của ứng dụng iCloud Control
Panel for Windows.
1. Cài đặt
Link download icloud control panel for windows: Download icloud control panel for
windows
Yêu cầu hệ thống: HĐH ...
Hướng dẫn cài và sử dụng iCloud Control Panel for Windows
Click vào nút Download bạn sẽ thấy hiện ra hộp thoại sau:
Hướng dẫn cài và sử dụng iCloud Control
Panel for Windows
Dịch vụ lưu trữ ... Outlook 2007 hoặc 2010.
Hướng dẫn cài và sử dụng iCloud Control Panel for Windows
Chọn Run và quá trình cài đặt iCloud Control Panel sẽ bắt đầu
Chọn Next -> Ở hộp thoại tiếp theo,...
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