dc motor speed control using scr circuit diagram
Tài liệu Mechatronics DC Motor / Tachometer Closed-Loop Speed Control System ppt
Ngày tải lên :
25/01/2014, 13:20
...
A 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 ... 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 ... Experiments
Mechatronics Kevin Craig
DC Motor / Tachometer Closed-Loop Speed Control System 23
2. Physical System
A DC motor converts direct-current (DC) electrical energy into rotational...
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Tài liệu Speed Control of DC Manchines pptx
Ngày tải lên :
17/12/2013, 14:15
...
B
r
e
r
v
r
B
r
I
r
F
r
B
r
v
r
e
r
B
r
I
r
F
r
Đặc tính cơ của động cơ DC kích từ nối tiếp
Example 4:
Example 5:
Đặc tính cơ
4 phần tư...
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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
...
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 ... Block
Indirect torque control method of BLDC motor
explained in [9] was extended to a direct torque and
indirect flux control technique for six-switch inverter
BLDC motor in [7] which is suitable ... 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
... maximum-efficiency control of BLDC motor, ”
IEEE Trans. Ind. Electron., vol. 47, no. 1, pp. 109–114, Feb. 2000.
[22] L. Hao and H. A. Toliyat, “BLDC motor full -speed operation using hybrid
sliding ... Overall block diagram of the position-sensorless direct torque and indirect flux control (DTIFC) of BLDC motor drive using three-phase conduction
mode.
Fig. 4. Simulated indirectly controlled stator ... INDIRECT FLUX CONTROL OF BRUSHLESS DC MOTOR 355
TAB L E I
S
WITCHING
T
ABLE FOR
DTC
OF
BLDC M
OTOR
U
SING
T
HREE
-
PHASE
C
ONDUCTION
indirectly kept at its optimum level, while the motor speed is
less...
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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 ... sampling time, dc- link voltage, hysteresis
bandwidth, motor parameters especially the winding
inductance, motor speed, snubber circuit, and the amount
of load torque The best way to control the ... bill.alexander@idealpowerconverters.com
Abstract—This paper presents a direct torque control (DTC)
technique for brushless dc (BLDC) motors with non-
sinusoidal back-EMF using four-switch inverter in the
constant torque region....
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Pseudo vector control – an alternative approach for brushless DC motor drives
Ngày tải lên :
03/01/2014, 19:46
... +
*
T
*
a
v
*
b
v
*
c
v
*
I
1
T
k
+
−
Fig. 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=− ...
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 ... motor that is fed by square-wave
current and it is often called Brushless DC Motor
(BLDCM).
The main difference between two kinds of motors from
the control viewpoint resides on current control...
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Bộ điều khiển số PID điều khiển DC motor
Ngày tải lên :
23/04/2013, 14:48
... CAP-P7
1000
7805
IN
1
OUT
3
G
N
D
2
U4
7805
GND
CAP-P6
10U
CAP4
104
VCC
R6
330R
LED1
LED
T1
TIP42
R5
10R
2
1
3
4
P
O
W
E
R
1
CONN-SIL4
Control 1
Control 2
Hình 4.6 Sơ đồ nguyên lý mạch nguồn 5V
Khối này là mạch điện dùng để ổn áp điện thế ... thay vì nhập xuất dữ liệu.
- Chân 30 : AVCC cấp điện áp so sánh cho bộ ADC.
- Chân 32 : AREF điện áp so sánh tín hiệu vào ADC.
- Chân 33 đến 40 : Cổng vào ra dữ liệu song song A ( PORTA ) ngoài ... tín hiệu số ADC ( analog to digital
converter)
b. Vào ra của vi điều khiển
PORTA ( PA7 … PA0 ) : là các chân số 33 đến 40. Là cổng vào ra song song 8 bít
khi không dùng ở chế độ ADC. Bên trong...
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- 3K
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Database Design Using Entity-Relationship Diagrams
Ngày tải lên :
22/10/2013, 10:15
... attribute style (Figure 2.1
, bottom) is not
as descriptive, but it is more compact and can be used if Chen-like diagrams
become cluttered.
description. We could say that:
Employees may have ... Methodology
Database modeling begins with a description of "what is to be stored." Such
a description can come from anyone; we will call the describer the "user."
For example, ... understanding how to arrive at a definite, clear
database design using an entity relationship (ER) diagram. In designing a
database with an ER diagram, we recognize that this is but one way to arrive...
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Using Toyota Wiring Diagram P1
Ngày tải lên :
23/10/2013, 09:15
... USING THE ELECTRICAL WIRING DIAGRAM
USING TOYOTA WIRING DIAGRAMS
Page 1 © Toyota Motor Sales, U.S.A., Inc. All Rights Reserved.
USING TOYOTA WIRING DIAGRAMS
Page 12 â Toyota Motor ... USING TOYOTA WIRING DIAGRAMS
Page 8 â Toyota Motor Sales, U.S.A., Inc. All Rights Reserved.
USING TOYOTA WIRING DIAGRAMS
Page 9 â Toyota Motor Sales, U.S.A., Inc. All Rights Reserved.
USING ... Inc. All Rights Reserved.
USING TOYOTA WIRING DIAGRAMS
Page 22 â Toyota Motor Sales, U.S.A., Inc. All Rights Reserved.
USING TOYOTA WIRING DIAGRAMS
Page 2 â Toyota Motor Sales, U.S.A., Inc....
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DC Motor - Content
Ngày tải lên :
28/10/2013, 05:15
... cổng.
VD3: Sử dụng thanh ghi CC 80C537, có thể đạt 5kHz.
DC Motor - PWM illustration
By Lê Anh Tuấn 12/2002
DC Motor - Brushless DC
Động cơ một chiều không chổi than không được cấp liên tục ... 12/2002
DC Motor - Practical1
VI MẠCH 555/556
Tạo ra các xung đều nhau, tần số
CRR
f
BA
)(
49.1
+
=
Tạo ra xung có bề rộng ΔT khi có
xung vào chân trigger
ΔT=1.1RC
By Lê Anh Tuấn 12/2002
DC Motor ... 12/2002
DC Motor - Practical2
PWM SỬ DỤNG IC 555
Mạch dùng điều khiển động cơ 6V, 0.5 A với đầu vào Vin=9V
U1: tạo nhịp, chính là tần số làm việc
U2: Chu kỳ làm việc
By Lê Anh Tuấn 12/2002
DC Motor...
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Tài liệu Using Toyota Wiring Diagram P2 doc
Ngày tải lên :
12/12/2013, 11:15
... Reserved.
USING THE ELECTRICAL WIRING DIAGRAM
USING TOYOTA WIRING DIAGRAMS
Page 1 © Toyota Motor Sales, U.S.A., Inc. All Rights Reserved.
USING TOYOTA WIRING DIAGRAMS
Page 22 â Toyota Motor ... USING TOYOTA WIRING DIAGRAMS
Page 4 â Toyota Motor Sales, U.S.A., Inc. All Rights Reserved.
USING TOYOTA WIRING DIAGRAMS
Page 5 â Toyota Motor Sales, U.S.A., Inc. All Rights Reserved.
USING ... DIAGRAMS
Page 7 â Toyota Motor Sales, U.S.A., Inc. All Rights Reserved.
USING TOYOTA WIRING DIAGRAMS
Page 3 â Toyota Motor Sales, U.S.A., Inc. All Rights Reserved.
USING TOYOTA WIRING DIAGRAMS
...
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Tài liệu Brushed DC Motor Fundamentals doc
Ngày tải lên :
22/12/2013, 14:15
... drawback to SWDC motors is that they do not
have precise speed control like PMDC and SHWDC
motors have.
FIGURE 4: SERIES-WOUND DC
MOTORS
Armature
Brush
Permanent
Magnet Poles
DC
Voltage
Supply
Armature
Brush
Shunt
Field
DC
Voltage
Supply
Armature
Brush
Series
Field
DC
Voltage
Supply
... Low-Cost Bidirectional Brushed DC Motor
Control Using the PIC16F684.
AN847 RC Model Aircraft Motor Control.
www.howstuffworks.com
www.engin.umich.edu/labs/csdl/me350/motors /dc/
index.html
Note: Microchip ... electric motor types (i.e., brushless DC,
AC induction), BDC motors do not require a controller
to switch current in the motor windings. Instead, the
commutation of the windings of a BDC motor is...
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- dc motor speed control using pwm technique circuit diagram
- dc motor speed control using pwm technique