transport and control mechanisms
Open distributed automation and control with iec 61499.pdf
Ngày tải lên :
20/08/2012, 11:15
... A/O
Conductivity
PID
AO
AI
LL
FIC
102
AT
107B
AT
107A
AT
106
AT
103
IP
102
FT
102
SC
103
HS
107
AIC
107
AC
106
FRC
103
AY
103
AT107A
AT107B
HS107
AIC107
AIC106
FRC103
SC103
IP102
FIC102
FT102
AT106
AY103AT103
OPEN DISTRIBUTED AUTOMATION AND CONTROL WITH IEC 61499
JHC/2001-04-03 p. 18
Open Distributed Automation and Control
with IEC 61499
Open Distributed Automation and Control
with IEC 61499
• Background
• ... Distributed Automation and Control
with IEC 61499
Open Distributed Automation and Control
with IEC 61499
• Background
• Architecture
• Object Models
• Software Tool Requirements
• Status and Future
OPEN ... #1
Simulation
Machine Control Machine Control
OPEN DISTRIBUTED AUTOMATION AND CONTROL WITH IEC 61499
JHC/2001-04-03 p. 13
Event and Data Interfaces
Event and Data Interfaces
Data outputsData inputs
Event...
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Introduction to logistics systems planning and control
Ngày tải lên :
16/08/2013, 08:50
... inventories (Chapter 4); designing and
operating warehouses and crossdocks (Chapter 5); planning and controlling long-haul
and short-haul freight transportation (Chapters 6 and 7). Finally, Chapter 8 ... system and process, including the design of distribution cen-
tres, terminal operations and transportation operations. The three major components
of logistics systems—inventory, transportation and ... properly, crossdocking requires high
volume and low variability of demand (otherwise it is difficult to match supply and
demand) as well as easy-to-handle products. Moreover, a suitable information...
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Neospora caninum INFECTION IN CATTLE - ECONOMIC LOSS, PREVENTION AND CONTROL
Ngày tải lên :
29/08/2013, 08:14
... reduction of milk production and weight gain, and
increase of veterinary, diagnosis and replacement purchase costs. Various methods have been studied to prevent
and control N. caninum infection ...
Gottstein, and M. Reist (2006). Financial analysis
of various strategies for the control of Neospora
caninum in dairy cattle in Switzerland. Prev Vet
Med 77, 230-53.
Hernandez, J., C. Risco, and ... 2002) and storm abortion within
herds (McAllister et al., 2000). Those findings
suggest that it is sensible and plausible to
restrict contact between dogs (and other
definitive hosts) and cattle...
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Project Planning and Control Part 9
Ngày tải lên :
17/10/2013, 21:15
... 31.8
Figure 31.9
Project Planning and Control
Spares lists (usually priced) divided into operating and strategic spares
Lubrication schedules
Quality control records and audit trails
Material test ... certificates
Equipment test and performance certificates
Equipment, material and system guarantees
All contracts (and subcontracts) must be properly closed out and (if possible)
all claims and back charges ... checked and updated to reflect the latest
version and as-built condition.
In addition, certain documents obtained and
collated during the various phases of the project
have to be bound and handed...
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Modeling, Measurement and Control P18
Ngày tải lên :
18/10/2013, 09:15
... Figures 18.5, 18.6, and 18.7 where
(18.30)
and for i = 1, 2, …, n, j = 1, 2, …,m we have
(18.31)
For j = 1 we replace t
2ij
with
For j = m we replace t
6ij
and t
7ij
with
where and i + n = i. ... × 25) = (36 × 75) ∗ (75 × 25).
and the dimensions are (36 × 6) = (36 × 18) ∗ (18 × 6).
and the dimensions are (36 × 24) = (36 × 36) ∗ (36 × 31) ∗ (31 × 24).
The control inputs u
αij
are defined ... (18.21) and (18.22)
into (18.24) yields the relationship between q and the independent variables t
5
, t
1
, r
1
, r
2
as follows:
(18.27)
To put (18.27) in a matrix form, define the matrices:
and
P
II
II
II
II
II
II
II
II
1
33
33
33
33
1
33
33
33
33
1
2
=
−
−
=
−
−
−
∆∆
00
00
00
00
00
00
00
00
qrtttr
qr
qrttt
111
11
1
11...
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Transactions in measurement and control
Ngày tải lên :
20/10/2013, 01:15
... a function of allowable accuracy
and rangeability, is between 8 and
30 centipoises. One can expect a
better than 20:1 rangeability for gas
and steam service and over 10:1 for
low-viscosity liquid ... in rac-
ing cars and Air Force fighter jets. In
industrial applications, pitot tubes
are used to measure air flow in pipes,
ducts, and stacks, and liquid flow in
pipes, weirs, and open channels.
While ... that accept the
inputs of the d/p transmitter and the
other sensors and can simultaneously
calculate mass and volumetric flow.
To minimize error (and the need for
density correction) when dealing...
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Project Planning and Control Part 10
Ngày tải lên :
20/10/2013, 13:15
... Identity code given to a work element for cost control
purposes.
Cost control The ability to monitor, compare and adjust expenditures and
costs at regular and sufficiently frequent intervals to keep ... requirements for
risk assessment and procedures.
368
Project Planning and Control
Heldman, Kim, PMP Project Management Professional, Sybex (2001)
Hillebrandt, P.M., Economic Theory and the Construction Industry, ... defined time, cost and quality/performance parameters.
Project life cycle All the processes and phases between the conception and
termination of a project.
367
Project Planning and Control
Baguly,...
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Monitoring and control
Ngày tải lên :
24/10/2013, 08:20
... dependent on them.
Monitoring and control
121
10
Monitoring and control
In an ideal world, projects would be completed on time, within specified
budgets and to the standards set out in the plans. ... to control the project ensures that the focus is
kept on achieving the outcomes within the budget and timescale agreed.
The word control sounds very authoritarian and inflexible. However,
control ... impact on the project plan (monitoring) and to revise the plans if neces-
sary (controlling).
The plan itself is at the heart of effective monitoring and control. If the plan
is not kept up to...
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Modeling, Measurement and Control P21
Ngày tải lên :
25/10/2013, 13:15
... Step 7 and changes
the motor allocations and the types of transmission mechanisms. Steps 7–10 are repeated until the
suitable motor allocations and the suitable types of transmission mechanisms ... problems, increased reliability and improved thermal capacity are
achieved. On the other hand, brushless motors require more complex and expensive control systems.
Sensors and switching circuitry are ... cheap, robust, and
reliable, and at the same time offer good torque characteristics. However, control of such motors
is rather complicated. Advanced vector controllers are expensive and do not guarantee...
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Modeling, Measurement and Control P23
Ngày tải lên :
29/10/2013, 20:15
... the command
and control of a vector such as position or force is not enough to control the interaction between
systems (dynamic networks). The controller must also be able to command and control ... measurements, and a controller involving a PD regulator and robust control part. The
purpose of the robust controller is to ensure that the control tracking error (i.e., the difference
between target and ... Maples and Becker
15
and is referred
to as outer/inner loop stiffness control. The control scheme consists of two parallel feedback loops
superimposed to the internal position control and closed...
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Modeling, Measurement and Control P24
Ngày tải lên :
29/10/2013, 20:15
... consequent is a control action. Thus, the rule base can be represented as:
R
1
: if X
1
is A
11
and … and X
n
is A
1n
, then Y
1
= B
11
and … and Y
m
= B
1m
R
2
: if X
1
is A
21
and … and X
n
... N.J. Mandi
ˇ
c, E.M. Scharf, and E.H. Mamdani. Practical application of a heuristic fuzzy rule-based
controller to the dynamic control of a robot arm. IEEE Proceedings on Control Theory and
Applications, ... procedure for tuning and optimizing
robust controllers for position/force control and control of flexible link robots.
41
The robust con-
troller is developed based on stability theory and uses special...
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Modeling, Measurement and Control P26
Ngày tải lên :
09/11/2013, 05:15
... The control station consists of a TV monitor, and a control panel with
joysticks and pushbutton commands. Bi-directional radio links allow simultaneous transmission of
1. Commands from the control ... desired (commanded) one. In this case, the above equation becomes
(26.34)
where u
R
and u
L
are left- and right-wheel control inputs. From (Equations 26.22 and 26.23) we
obtain:
(26.35)
and
(26.36)
FIGURE ... issues from the standpoint of both linear and nonlinear
control theories. We explain the difference between controllability in the linear system theory and
controllability of mobile robots, having...
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Tài liệu IP Multicast Distribution Trees and Control Protocols docx
Ngày tải lên :
11/12/2013, 14:15
... Path Tree (SPT) between a source Source1
and receivers Receivers1 and Receiver2. We assume that the path between
source and receivers over routers A, C and E is the path with the lowest cost. ... Wildcard Receiver mechanism, and this results in unnecessary
bandwidth consumption.
Copyright 2000, Cisco Systems, Inc. IP Multicast Distribution Trees and Control Protocols 2-15
Summary ...
n Distinguish between source-rooted and shared distribution trees
n Identify the meaning of “push” and “pull” models and their association with
dense and sparse mode multicast protocols
Copyright...
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Tài liệu Matlab tutorial for systems and control theory pdf
Ngày tải lên :
12/12/2013, 07:15
... command 1;
MATLAB command 2;
MATLAB command 3;
The name of the m-file for this function is functionname.m and it is called from the MATLAB
command line or from another m-file by the following command
>> ... Specify orientation of a figure
8 Signals and Systems Commands
The following commands are organized by topics in signals and systems. Each of these
commands has a number of options that extend ... commands 11
7.2 Customization of plots . 11
8 Signals and Systems Commands 11
8.1 Polynomials . . . 11
8.2 Laplace and Z Transforms 12
8.3Frequency responses . . 13
8.4 Fourier transforms and...
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