Ngày tải lên: 07/11/2013, 09:15
Database Modeling and Design docx
... (OS, DBMS) * performance and integrity constraints * result: requirements specification document, data dictionary entries Logical database design 2.1 ER modeling (conceptual design) 2.2 View integration ... relationships - verify model * stepwise refinement and iterative re -design * well-defined design review process to reduce development costs review team -database designers -DBMS software group -end users ... L->D because it satisfies 3NF: D is a super-key by Rule and L is a super-key by Rule Final 3NF (and BCNF) table attributes, FDs, and candidate keys: R1: ABC (AB->C with key AB) R5: DFJ (F->DJ...
Ngày tải lên: 23/03/2014, 16:21
... Database Modeling and Design: Logical Design (5th Edition) and Physical Database Design: The Database Professional’s Guide (1st Edition) Logical database design is largely the domain of application designers, ... has allowed the database designer to separately focus on logical design (defining the data relationships and tables) and physical design (efficiently storing data onto and retrieving data from ... Congress Cataloging in Publication Data Database modeling and design : logical design / Toby Teorey [et al.] 5th ed p cm Rev ed of: Database modeling & design / Tobey Teorey, Sam Lightstone, Tom...
Ngày tải lên: 31/05/2014, 00:12
Báo cáo hóa học: "Modeling and Design of Fault-Tolerant and Self-Adaptive Reconfigurable Networked Embedded Systems" pot
... tasks with three demands While the demand between t1 and t2 as well as the demand between t1 and t3 can be routed over all two message types (|M | = 2), the demand between t2 and t3 can be routed ... occur) indicating the demand for communication bandwidth by the two communicating tasks t1 , t2 with ei = (t1 , t2 ) = In a ReCoNet supporting different protocols and bandwidths, it is crucial ... pairs of data dependencies and message types while capacities are associated with pairs of links and message types transfer the message type m1, {n2, n3} and {n2, n4} can handle message type m2 As...
Ngày tải lên: 22/06/2014, 22:20
quantitative organizational modeling and design for multi-agent systems
... go to the Amherst College Computing Center and the authors of the JEP and JDOM software libraries vi ABSTRACT QUANTITATIVE ORGANIZATIONAL MODELING AND DESIGN FOR MULTI-AGENT SYSTEMS FEBRUARY 2006 ... utility Different designs applied to the same problem will have different performance characteristics, therefore it is important to understand and model the behavior of candidate designs In the multi-agent ... outlined above Sections 1.2.2 and 1.2.3 expand upon the high-level concepts that support and motivate this work through additional discussion of the organizational design and representation problem...
Ngày tải lên: 13/11/2014, 11:18
Modeling and design of symmetrical six port waveguide junction for six port reflectometer application
... x-axis; instead of the HE1n and EH1n modes in region C and TE1n and TM1n modes in region R when h = a, we thus have to include the HEmn and EHmn modes in region C and TEmn and TMmn modes in region ... regions R and C will be discussed in Sections 2-5 and 2-6 respectively The tangential components of the electric and magnetic fields associated with the R-modes and C-modes in regions R and C respectively ... we are not able to consider TE and TM modes and instead we will employ hybrid modes (with for each mode) Thus, we consider a general form for and and together and the other components can then...
Ngày tải lên: 09/09/2015, 18:53
Modeling and designing control chart for monitoring time between events data
... statistical design method to design control chart Saniga (1984) used statistical design to determine the optimal parameters for X-bar and R-charts Woodall and Adams (1993) applied statistical design ... and control limits Usually, there are two methods to design the control chart, statistical design and economic design For the statistical design, control chart parameters are determined based ... their paper) The statistical design, economic design and statistical-economic design were compared in Zhang et al (2005) The results showed that the statistical-economic design identifies an optimal...
Ngày tải lên: 14/09/2015, 14:06
Pem fuel cell stack modeling and design of DC DC converter for fuel cell energy system
... their help and concern in both my research project and personal life Finally, I would like to thank those closest to me My husband, Zuo Hai who always there gave me care, understanding and support, ... current iD1 and iD2 , output capacitor voltage VC1 and VC2 , and total output voltage Vo 6.9 Waveforms of output voltage Vo and input current i when load steps up from 600W to 1200W and steps ... predict both steady-state and dynamic behavior of the stack After introducing different fuel cell modelling techniques and their pros and cons, a hybrid fuel cell stack model is designed without the...
Ngày tải lên: 14/09/2015, 14:09
Tài liệu overview of data modeling and database design pptx
... Answer: 1:1 Husband and wife; taxi and driver; machine and operator; ship and dock M:1 Orders and items; auto and occupants; plane and passengers M:M Employees and skills; products and warehouses ... required for SQL command parsing D You should develop your own naming conventions and standards Overview of Data Modeling and Database Design 8Ć31 8Ć32 Introduction to Oracle: SQL and PL/SQL Using ... the database All forms of design involve a mixture of rules, judgements, and common sense, and relational design is no different During a design effort, your goal is to design reliable, high-performance...
Ngày tải lên: 10/12/2013, 17:15
Tài liệu overview of data modeling and database design pdf
... Overview of Data Modeling and Database Design 8Ć27 8Ć28 Introduction to Oracle: SQL and PL/SQL Using Procedure Builder Designing the Database The database design stage produces design specifications ... required for SQL command parsing D You should develop your own naming conventions and standards Overview of Data Modeling and Database Design 8Ć31 8Ć32 Introduction to Oracle: SQL and PL/SQL Using ... the database All forms of design involve a mixture of rules, judgements, and common sense, and relational design is no different During a design effort, your goal is to design reliable, high-performance...
Ngày tải lên: 21/12/2013, 06:17
Mechatronic Systems : Analysis, Design and Implementation potx
... wait for a time tswitch Gsec off, Ysec off and Rsec on, and Gsec off, Ysec off and Rsec on, and Gsec on, Ysec off and Rsec off, and Gsec off, Ysec on and Rsec off, and End loop When an interrupt occurs, ... electronics, and control) is what mechatronics offers for a better design Design of the mechanical system Design of the electronic system Design of the control and instrumentation system Fig 2.1 Mechatronic ... obtain a functional mechatronic systems Part I Mechatronic Systems Mechatronic Systems After reading this chapter the reader will: master the concepts of Mechatronics and Mechatronic systems...
Ngày tải lên: 08/03/2014, 19:20
digital circuit analysis and design with simulink modeling - steven t. karris
... lsd (last ) unchanged and we replace the ones with zeros and the zero with one 2−8 Digital Circuit Analysis and Design with Simulink ® Modeling and Introduction to CPLDs and FPGAs, Second Edition ... End−of−Chapter Exercises .8−45 Simulink Modeling: Pages 8−19, 8−37 Digital Circuit Analysis and Design with Simulink ® Modeling and Introduction to CPLDs and FPGAs, Second Edition Copyright © Orchard ... Analysis and Design with Simulink ® Modeling and Introduction to CPLDs and FPGAs, Second Edition Copyright © Orchard Publications v A.7 Subplots A−18 A.8 Multiplication, Division and...
Ngày tải lên: 08/04/2014, 10:02
Mechatronic systems devices, design, control, operation and monitoring
... .16-1 Section IV 17 Mechatronic Design and Optimization Mechatronic Modeling and Design S Behbahani and C.W de Silva .17-1 18 Evolutionary Mechatronic Tool S Behbahani and C.W de Silva ... Model Design Objectives/Specs Performance Prediction Design Refinement System Design Design Decisions Model Refinement FIGURE 1.4 Link between modeling and design 1.5 Mechatronic Design Concept A mechatronic ... of a design process, particularly when striving for an optimal design, it is useful to incorporate system modeling as a tool for design iteration [5] Modeling and design can go hand in hand in...
Ngày tải lên: 08/04/2014, 11:15
Mechatronic Systems, Simulation, Modeling and Control Part 1 potx
... Cover designed by Dino Smrekar Mechatronic Systems, Simulation, Modelling and Control, Edited by Annalisa Milella, Donato Di Paola and Grazia Cicirelli p cm ISBN 978-953-307-041-4 V Preface Mechatronics, ... modelling and control of electromechanical components, and mechatronic machines and vehicles A brief description of every chapter follows The book begins with eight chapters related to modelling and ... configured spacecraft.The design of complex mechatronic systems requires the development and use of software tools, integrated development environments, and systematic design practices Integrated...
Ngày tải lên: 21/06/2014, 07:20
Mechatronic Systems, Simulation, Modeling and Control Part 3 potx
... parallel robot and vision equipment The system was designed to test joint control and Visual Servoing algorithms and the main objective is to carry out tasks in three dimensions and dynamical ... University of Madrid) decided to design the Robotenis vision-robot system Robotenis system was designed in order to study and design visual servoing controllers and to carry out visual robot tasks, ... first and third row of the eq (2) by using trigonometric identities and making � � �� sin���� � sin���� � and � � �� � �� cos��� � sin��� �: (5) 122 Mechatronic Systems, Simulation, Modelling and...
Ngày tải lên: 21/06/2014, 07:20
Mechatronic Systems, Simulation, Modeling and Control Part 4 pptx
... that (43) is the number of 132 Mechatronic Systems, Simulation, Modelling and Control and in our case DOF = number of actuated joints), contains the external applied and the actuator torques or ... multipliers we choose additional redundant coordinates , and Thus the generalized coordinates are: and External forces and position, velocity and acceleration of the end effector (mobile platform) ... ��� , � is the real time clock, �� and �� represent the initial and final time of the trajectory Supposing that the initial and final acceleration are cero and by considering that the acceleration...
Ngày tải lên: 21/06/2014, 07:20
Mechatronic Systems, Simulation, Modeling and Control Part 5 pot
... + σ21 e2 = and the plant outputs converge to the reference outputs From (11) and (17), u p1 and u p2 (4) ¨ appear first in e1 and e2 , respectively Thus, there are no zero dynamics and the system ... Modelling and Control System Description Consider the tandem rotor model helicopter of Quanser Consulting, Inc shown in Figs and The helicopter body is mounted at the end of an arm and is free ... (27) All the eigenvalues of the matrices K1 and K2 are −1, and the characteristic roots of the error equations (22) and (23) are specified as (−2.0, −3.0) and (−2.0, −2.2, −2.4, −2.6), respectively...
Ngày tải lên: 21/06/2014, 07:20
Mechatronic Systems, Simulation, Modeling and Control Part 7 ppt
... autonomous satellite grappling and berthing, rendezvous, inspection, proximity operations, docking and undocking, and autonomous fault recognition and anomaly handling (Kennedy, 2008) Another ... structure with a single mission focused design and lengthy production and qualification schedules coupled with enormous cost Additionally, there rarely, if ever, is any designed preventive maintenance ... spacecraft guidance, navigation and control One 188 Mechatronic Systems, Simulation, Modelling and Control such method involves reproduction of the kinematics and vehicle dynamics for 3-DoF (two...
Ngày tải lên: 21/06/2014, 07:20
Mechatronic Systems, Simulation, Modeling and Control Part 8 doc
... with a standard deviation of 9.1 mm, 1.4 cm mean for Y with a standard deviation of 8.6 mm, 2.4 mm/s mean for VX with a standard deviation of 1.8 mm/s and 3.0 mm/s mean for VY with a standard ... a standard deviation of mm and mm in Y with a standard deviation of mm Likewise, Fig 6e and Fig 6f demonstrate the accuracy of the attitude tracking control through a comparison of the commanded ... and actual attitude and attitude rate Specifically, the mean of the absolute value of tracking error for is 0.14 deg with a standard deviation of 0.11 deg and 0.14 deg/s for z with a standard...
Ngày tải lên: 21/06/2014, 07:20
Mechatronic Systems, Simulation, Modeling and Control Part 10 ppt
... Systems Design, pp.196-201 Funaki, M & Ra, S (1999) Guide book for Real-Time sensing and control by Linux, Shuwa system, 97804879668493 Gamma, E.; Helm, R Johnson, R & Vlissides, J (1995) Design ... integrated software environment for the design and real-time implementation of control systems, Control Engineering Practice, Vol 6, pp 1287–1293 Nakano, T (2002) Understanding the framework, Java WORLD, ... paradigm in such CSS's and distributed development by using network computing technologies (Takahashi, 1998; Umar, 1993; Vaughn, 1994) The methodology of the object-oriented design and analysis is a...
Ngày tải lên: 21/06/2014, 07:20