agc automatic gain control algorithm
Tài liệu Giáo trình kỹ thuật điện: Mạch tự động điều chỉnh độ lợi AGC AUTOMATIC GAIN CONTROL pptx
Ngày tải lên :
15/12/2013, 16:15
... mạch tương tự như mạch
AGC cho màu. Khi C mạnh thì AGC phân cực yếu và đổi lại khi C yếu thì AGC cho phép
phân cực mạnh. Với màu AGC có tên là ACC (Automatic Color Control) .
hình
Khi qua ... và (R - Y) như sau:
Giáo trình kỹ thuật điện
Mạch tự động điều chỉnh độ lợi AGC
AUTOMATIC GAIN CONTROL
Ta dùng 2 Transistor T
1
và T
2
dẫn điện ở 2 ... vậy mạch AGC phải làm tăng phân cực ⇒ điểm Q
3
phải dời về điểm Q
4
(IC
Q3
Æ
IC
Q4
).
Vậy đoạn [BC] ứng với mạch AGC thuận.
Trong mạch AGC đã khảo sát ta thấy:
Khi v
i
tăng mạch AGC có...
33
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16
Tài liệu The PID Control Algorithm ppt
Ngày tải lên :
22/12/2013, 21:15
...
5.1.2 Process Gain
Next to action, process gain is the most important process characteristic. The
process gain (not to be confused with controller gain) is the sensitivity of the
controlled variable ... B
PID
Control
PID
Control
Figure 17 Two PID controllers that share one valve.
Suppose the output of a controller is broken by a selector, with the output of
another controller taking control ...
(typically 4 to 20 ma.) for transmission to the controller or control system.
• The control algorithm
. A mathematical algorithm inside the control system is
executed at some time period (typically...
69
436
3
Báo cáo khoa học: "An Automatic Treebank Conversion Algorithm for Corpus Sharing" potx
Ngày tải lên :
31/03/2014, 06:20
... type of control
used , it may or may not respond quickly
enough to protect against spikes and faults
• (Correct answer and selected output are #3.)
1. [[[Depending-on [[the type] [of [control ... [enough to
[protect [against [spikes and faults]]]]]]] .
2. [[[Depending-on [[the type] [of [control used]]]]
,] it [may-or-may-not respond [quickly [enough to
[protect [against [spikes and faults]]]]]]] ... [[[Depending-on [[the type] [of [control used]]]]
,] it [may-or-may-not respond [[quickly enough] [to
[protect [against [spikes and faults]]]]]]] .
4. [[[Depending-on [[the type] [of [control used]]]]
,]...
7
227
0
Tài liệu AUTOMATIC MONITORING AND CONTROL OF COOLING WATER TREAMENT PRODUCTS docx
Ngày tải lên :
16/01/2014, 22:20
... operated
p
than control limits for the entire period. From this data, it is clear that installation and operation of
sensor control unit substantially improved chemical inhibitor control.
Biological control ... sensitivity and measurement differentiation (or range)
for an automatic control sensor.
A
controller, Model 2EZ, used as the control interface between the sensor and chemical feed pum
sufficient ...
along with development of an on-line UV florescent monitor/controller. This unique tracer and
control method allows automatic monitoring and control of inhibitor dosage and is currently
marketed...
8
423
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Tài liệu Automatic control for Commercial_building pptx
Ngày tải lên :
24/01/2014, 23:20
... Circuits 107
Motor Control Circuits 114
ENGINEERING MANUAL of
AUTOMATIC
CONTROL
ENGINEERING MANUAL OF AUTOMATIC CONTROL
CONTROL FUNDAMENTALS
36
ENGINEERING MANUAL OF AUTOMATIC CONTROL
CONTROL FUNDAMENTALS
22
Fig. ... automatic control.
ENGINEERING MANUAL OF AUTOMATIC CONTROL
CONTROL FUNDAMENTALS
17
Fig. 20. Comparison of Analog and Digital Control Signals.
CONTROL MODES
Control systems use different control ... microprocessor-based
controllers. Adaptive control algorithms enable a controller to
adjust its response for optimum control under all load
conditions. A controller that has been tuned to control
accurately...
518
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0
Báo cáo khoa học: "Some Comments on Algorithm and Grammar in the Automatic Parsing of Natural Languages" ppt
Ngày tải lên :
07/03/2014, 18:20
... in connection with the
separation of grammar and algorithm is that the gram-
mar table constitutes a set of input data to the particu-
lar algorithm, in a similar way in which the sentences ... source.
Likewise, it is possible to view the executive routine
of the algorithm which contains the grammar as the
actual parsing algorithm and to view the remaining
portions as forms of input data. ...
separation of grammar and algorithm is considered far
from convincing. It does raise a related question, how-
ever: If the major separation is not to be that between
grammar and algorithm, what then...
2
419
0
Báo cáo khoa học: "A Formula Finder for the Automatic Synthesis of Translation Algorithms" docx
Ngày tải lên :
16/03/2014, 19:20
... former enables the semi-
automatic derivation of basic algorithms, the latter
enables the automatic testing of such algorithms. When
a linguist wishes to derive an algorithm, he furnishes
the ... the algorithm.
† The context-selecting program was written by W. Bossert.
lations. Its operation is based on the automatic as-
sociation of basic algorithms with dictionary entries,
the automatic ... others.
B. A SAMPLE TRANSLATION ALGORITHM
Most of the syntactic and semantic algorithms pro-
posed in the literature of machine translation can be
stated as basic algorithms or as chains of basic...
14
432
0
Báo cáo khoa học: "Semi-supervised Learning for Automatic Prosodic Event Detection Using Co-training Algorithm" doc
Ngày tải lên :
23/03/2014, 16:21
... co-training framework.
The general co-training algorithm we used is
described in Algorithm 1. Given a set L of labeled
data and a set U of unlabeled data, the algorithm
first creates a smaller pool U
′
containing ... time-consuming task. In this paper,
we exploit semi-supervised learning with
the co-training algorithm for automatic de-
tection of coarse level representation of
prosodic events such as pitch accents, ... labeling manually. Therefore,
automatic labeling of prosodic events is an attrac-
tive alternative that has received attention over the
past decades. In addition, automatically detecting
prosodic...
9
320
1
Báo cáo " A combination of the identification algorithm and the modal superposition method for feedback active control of incomplete measured systems " doc
Ngày tải lên :
28/03/2014, 13:20
... proposed, such as LQR/LQG
control [2,3], H
2
/H
∞
control [4,5], sliding mode control [6], saturation control [7], reliability-based
control [8], fuzzy control [9], neural control [10] In fact, ... necessary control force
______
*
Corresponding author. Tel.: 84-4-8326134
E-mail: ndanh@imech.ac.vn
Actuators, Control forces
Controlled
system
Excitations
Responses
Computer, control
algorithm ... a given control algorithm; actuators to produce the required forces. When only the responses
can be measured, the method is called feedback active control. In recent years, the active control...
8
359
0
Báo cáo " A combination of the identification algorithm and the modal superposition method for feedback active control of incomplete measured systems" doc
Ngày tải lên :
28/03/2014, 13:20
... proposed, such as LQR/LQG
control [2,3], H
2
/H
∞
control [4,5], sliding mode control [6], saturation control [7], reliability-based
control [8], fuzzy control [9], neural control [10] In fact, ... necessary control force
______
*
Corresponding author. Tel.: 84-4-8326134
E-mail: ndanh@imech.ac.vn
Actuators, Control forces
Controlled
system
Excitations
Responses
Computer, control
algorithm ... structural control problem is to
determine a control strategy that uses the measured structural responses to calculate an appropriate
control signal to send to the actuator. Many control strategies...
8
416
0
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