transport and control mechanisms

Open distributed automation and control with iec 61499.pdf

Open distributed automation and control with iec 61499.pdf

... 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...

Ngày tải lên: 20/08/2012, 11:15

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Introduction to logistics systems planning and control

Introduction to logistics systems planning and control

... 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...

Ngày tải lên: 16/08/2013, 08:50

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Neospora caninum INFECTION IN CATTLE - ECONOMIC LOSS, PREVENTION AND CONTROL

Neospora caninum INFECTION IN CATTLE - ECONOMIC LOSS, PREVENTION AND CONTROL

... 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...

Ngày tải lên: 29/08/2013, 08:14

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Project Planning and Control Part 9

Project Planning and Control Part 9

... 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...

Ngày tải lên: 17/10/2013, 21:15

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Modeling, Measurement and Control P18

Modeling, Measurement and Control P18

... 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...

Ngày tải lên: 18/10/2013, 09:15

62 365 0
Transactions in measurement and control

Transactions in measurement and control

... 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...

Ngày tải lên: 20/10/2013, 01:15

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Project Planning and Control Part 10

Project Planning and Control Part 10

... 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,...

Ngày tải lên: 20/10/2013, 13:15

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Monitoring and control

Monitoring and control

... 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...

Ngày tải lên: 24/10/2013, 08:20

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Modeling, Measurement and Control P21

Modeling, Measurement and Control P21

... 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...

Ngày tải lên: 25/10/2013, 13:15

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Modeling, Measurement and Control P23

Modeling, Measurement and Control P23

... 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...

Ngày tải lên: 29/10/2013, 20:15

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Modeling, Measurement and Control P24

Modeling, Measurement and Control P24

... consequent is a control action. Thus, the rule base can be represented as: R 1 : if X 1 is A 11 andand X n is A 1n , then Y 1 = B 11 andand Y m = B 1m R 2 : if X 1 is A 21 andand 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...

Ngày tải lên: 29/10/2013, 20:15

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Modeling, Measurement and Control P26

Modeling, Measurement and Control P26

... 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...

Ngày tải lên: 09/11/2013, 05:15

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Tài liệu IP Multicast Distribution Trees and Control Protocols docx

Tài liệu IP Multicast Distribution Trees and Control Protocols docx

... 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...

Ngày tải lên: 11/12/2013, 14:15

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Tài liệu Matlab tutorial for systems and control theory pdf

Tài liệu Matlab tutorial for systems and control theory pdf

... 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...

Ngày tải lên: 12/12/2013, 07:15

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