troubleshooting motor control circuits pdf
Motor control sensor feedback circuits
Ngày tải lên :
03/01/2014, 18:55
... 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”, ... 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....
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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 ... loop that can detect the outputs of an induction motor, we
can use this motor controller to control an induction machine.
• TMS320F243 DSP controller. This is manufactured by the Texas Instruments...
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Tài liệu Làm quen VB-6-6-Bai 02- Text box va Control box pdf
Ngày tải lên :
10/12/2013, 01:15
... thêm về TextBox và Label Controls
Trong bài 1 quý vị đã làm quen với Label và TextBox controls.Bài này chúng tôi sẽ đi
sâu vào một số Methods và Events thông dụng của 2 controls trên.Bây giờ chúng ... tên
của control được sử dụng trong mã chương trình, còn
caption
là tên hiện ra trên
thanh tiêu đề (title bar)của form.
2.Ðặt các controls với Properties như bảng1 dưới đây lên form LogIn
Control ... phần.Bên trái là danh sách
các Controls, bên phải là danh sách các Events của một control tương ứng. Muốn viết
mã chương trình cho Event nào chỉ cần click vào tên Control và tên Event, sau đó...
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Tài liệu Lab 1.1.6 Troubleshooting NAT and PAT pdf
Ngày tải lên :
11/12/2013, 13:15
... CCNA 4: WAN Technologies v 3.0 - Lab 1.1.6 Copyright 2003, Cisco Systems, Inc.
Lab 1.1.6 Troubleshooting NAT and PAT
Objective
• Configure a router for Network Address Translation (NAT)...
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Tài liệu Troubleshooting Frame Relay 3 pdf
Ngày tải lên :
11/12/2013, 14:15
... buffers swapped out
1-10 Semester 8 Internetwork Troubleshooting v1.0 - Lab 8.3.4.3 Copyright 2001, Cisco Systems, Inc.
Lab 8.3.4.3: Troubleshooting Frame Relay 3
Frame Relay
Atlas 550
192.168.192.0/24
1/2
2/1
S0/0 ... repeat the
process.
Step 7
8. Document the results.
4-10 Semester 8 Internetwork Troubleshooting v1.0 - Lab 8.3.4.3 Copyright 2001, Cisco Systems, Inc.
in DE pkts 0 out DE pkts ... encap = 0xFCF10309
00:19:17: 00 75 01 01 00 03 02 62 00
00:19:17:
3-10 Semester 8 Internetwork Troubleshooting v1.0 - Lab 8.3.4.3 Copyright 2001, Cisco Systems, Inc.
0 carrier transitions...
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Tài liệu Matlab tutorial for systems and control theory pdf
Ngày tải lên :
12/12/2013, 07:15
... false). Be careful of the distinction between ‘=’ and ‘==’.
5.3 Flow control operations
MATLAB contains the usual set of flow control structures, e.g., for, while, and if, plus
the logical operators, ... Matrix Operations 5
5.1 Arithmetic matrix operations . . 6
5.2 Relational operations . . 6
5.3Flow control operations . 7
5.4 Math functions . 7
6 MATLAB Files 7
6.1 M-Files . 8
6.1.1 Scripts . . ... shown in Figure 2.
9.1.2 Customized solution
It may be desirable to display the results with more control over the appearance of the plot.
The following script plots the same results but shows how...
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Tài liệu EIE209 Basic Electronics Diode Circuits pdf
Ngày tải lên :
13/12/2013, 22:15
... Electronics
Diode circuits
Prof. C.K. Tse: Diode circuits
Contents
• Diode models
• Typical diode circuits & applications
• Load line concepts for nonlinear load analysis
12
Prof. C.K. Tse: Diode circuits
Solution ... C.K. Tse: Diode circuits
Step 2 : KVL & KCL constraints
from KCL :
i
d
=
i
R
AND from KVL :
v
d
+
v
R
=
V
s
We also know
=
+
=
V
s
O
2
Prof. C.K. Tse: Diode circuits
What is ... the LOAD LINE.
7
Prof. C.K. Tse: Diode circuits
Application examples
clamper dc restorer
half-wave doubler full-wave doubler
3
Prof. C.K. Tse: Diode circuits
Ideal characteristic
Bias conditions
Forward...
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Tài liệu Chương Mười Bốn - Dùng Control Data pdf
Ngày tải lên :
14/12/2013, 23:15
... "BIBLIO.MDB"
' Place controls in Browse Mode
SetControls (False)
End Sub
Private Sub CmdEdit_Click()
' Place controls in Edit Mode
SetControls (True)
End Sub
Khi ta Delete ... công ty (Company Name) và điện thoại
Chương Mười Bốn - Dùng Control Data
Control Data
Từ VB5, Visual Basic cho lập trình viên một control để truy cập cơ sỡ dữ liệu, tên nó chỉ
đơn sơ là Data. ... thể thực hiện điều đó bằng cách dùng Control DBCombo (Data Bound
Combo). Bạn hãy dùng IDE Menu Command Project | Components để chọn
Microsoft Data Bound List Controls 6.0 rồi click Apply.
Kế...
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Tài liệu Lab 4.2.6 Troubleshooting IP Address Issues pdf
Ngày tải lên :
21/12/2013, 19:15
... Routers and Routing Basics v 3.0 - Lab 4.2.6 Copyright 2003, Cisco Systems, Inc.
Lab 4.2.6 Troubleshooting IP Address Issues
Objective
• Configure two routers and two workstations...
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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
... with electromagnetic
drive and power converter control circuits for its optimal control
DESPOTOVIC
´
AND STOJILJKOVIC
´
: POWER CONVERTER CONTROL CIRCUITS FOR TWO-MASS VCS 459
Fig. 11. Amplitude ... 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 ... of freedom, which is shown in Fig. 5. The
DESPOTOVIC
´
AND STOJILJKOVIC
´
: POWER CONVERTER CONTROL CIRCUITS FOR TWO-MASS VCS 457
Fig. 7. Simulation circuit of the VCS.
system will be analyzed...
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Tài liệu TestKing''''s Cisco Internetwork Troubleshooting Version 9.1 pdf
Ngày tải lên :
17/01/2014, 08:20
... devices can quickly locate open and short
circuits, crimps, sharp bends, impedance mismatches, and other defects in metallic cables.
Reference:
System Troubleshooting Guidelines
http://www.cisco.com/univercd/cc/td/doc/product/voice/ics7750/tblshoot/trouble.htm ... ARPA, loopback not set
Keepalive set (10 sec)
Full-duplex, 100Mb/s
input flow -control is off, output flow-c control is off
ARP type: ARPA, ARP Timeout 04:00:00
Last input 00:00:33, output ... problem?
A. Duplex mismatch issue
B. Speed mismatch issue
C. Flow -control issue
D. Portfast issue
E. Udid issue
F. Jitter control issue
Answer: A
QUESTION NO: 58
642 - 831
...
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