control system integration and testing

Ngày tải lên: 24/04/2014, 16:00

... Requirements and Specification Analysis Production, Operations, and Maintenance Load & Performance Test User Interface Design Usability Test System Testing and Acceptance Testing Integration and Testing ... Design Unit Testing Coding Principle of Project 17 Project Testing Flow • • • • Unit Testing Integration Testing System Testing User Acceptance Testing Principle of Project 18 Black-Box Testing • ... Principle of Project Integration & System Test Integration & Testing • Development /Integration/ Testing • Most common place for schedule & activity overlap • Sometimes Integration/ Testing thought of...

Ngày tải lên: 13/05/2014, 21:50

... desired flying qualities they simply control the flight control system; they now command and control utilities and other aircraft subsystems The flight control system has now become a more inclusiveVMS ... computers and control systems, has resulted in tremendous advances in the field of science Thus, automatic control systems and computers permeate life in all advanced societies today These systems and ... the pilot commands and signals from the sensors (position and rate gyros) and accelerometers, and sends commands to the actuators.This is now referred to as a digital flight control system (DFCS)...

Ngày tải lên: 04/07/2014, 05:28

... linearizes and decouples the dynamic system (1.46) in Yc The linearized and decoupled system is ~i ~ V//1 f~= v~2 36 CHAPTER / SENSOR-BASED PLANNING AND CONTROL FOR ROBOTIC SYSTEMS where ri ri g/~ q and ... Sensor-Based Planning and Control for Robotic Systems: An Event-Based Approach Xi, Tarn Section II Introduction Event-Based Planning and Control Event-Based Motion Planning and Control for a Robot ... operators who pass their knowledge and expertise to the control system before and during task execution Finally, robustness and adaptability of the system are essential The system we propose should be...

Ngày tải lên: 01/01/2014, 20:12

... Diagrams 8.3.3 A Motor Control System Example 8.3.4 System Error 8.3.5 Controller Transfer Functions 8.3.6 State Variable Control Systems 8.3.7 Feedforward Controllers 8.3.8 Cascade Controllers SUMMARY ... 508 508 509 520 CONTROL SYSTEM ANALYSIS 521 21.1 21.2 INTRODUCTION 521 CONTROL SYSTEMS 521 21.2.1 PID Control Systems 523 21.2.2 Analysis of PID Controlled Systems With Laplace ... second order systems Laplace transforms Laplacian analysis Block diagrams for modeling and analysis Feedback systems for modeling and control Electromechanical systems Thermal systems Fluid systems...

Ngày tải lên: 01/01/2014, 20:30

... often faster and more reliable Commands can be typed in a command window Typed commands are case sensitive, and most commands are lower case Spaces are used to delimit (separate) commands and arguments, ... such as piece counts, tool changes, and machine utilization - Supervisory control - functions related to production control, traffic control, tool control, and so on page 19 1.2.3 General Concepts ... - Direct Numerical Control of all the machine tools in the FMS Both CNC and DNC functions can be incorporated into a single FMS - Computer control of the materials handling system - Monitoring...

Ngày tải lên: 20/01/2014, 02:20

... appropriately customized implemented grammar The system, described in (Black, 2004) and (Black and Black, 2009), is called PAWS (Parser And Writer for Syntax) and is available for download online.9 PAWS ... Unbounded Content Early versions of the customization system (Bender and Flickinger, 2005; Drellishak and Bender, 2005) only allowed a finite (and small) number of entries for things like lexical ... take advantage of the lexical type system Because words in lexical types as defined by the customization system differ only in orthography and predicate string, and not in syntactic behavior, we...

Ngày tải lên: 07/03/2014, 22:20

... absence of standards, several manufacturers have developed proprietary ‘‘flicker’’ meters In recent years, an effort has been made to standardize the definition of ‘‘flicker,’’ and to standardize the ... matter of experience, and Ohm’s law There are many examples of disturbance data in books such as The BMI Handbook of Power Signatures, Second Edition, and the Dranetz Field Handbook for Power Quality ... imbalance, and some of them will trigger a capture of voltage and current during a current event, such as the drive tripping off To select the best monitor for the job, it is necessary to understand...

Ngày tải lên: 21/03/2014, 12:11

... Distribution Systems 20 Power System Loads Raymond R Shoults and Larry D Swift 21 Distribution System Modeling and Analysis William H Kersting 22 Power System Operation and Control George L Clark and ... Measurement, Instrumentation, and Sensors Handbook, John G Webster The Mechanical Systems Design Handbook, Osita D.I Nwokah and Yidirim Hurmuzlu The Mechatronics Handbook, Second Edition, Robert ... The Engineering Handbook, Third Edition, Richard C Dorf The Handbook of Formulas and Tables for Signal Processing, Alexander D Poularikas The Handbook of Nanoscience, Engineering, and Technology,...

Ngày tải lên: 21/03/2014, 12:11

... Plains (Kansas, Oklahoma, and Texas), the winds are strongest in the spring (March and April) and weakest in the summer (July and August) Utilities here are summer peaking, and hence need the most ... 1-4 Land Rights The wind is a free, clean, and inexhaustible energy source It has served humankind well for many centuries by propelling ships and driving wind turbines to grind grain and pump ... 1970s was a 1250-kW machine built on Grandpa’s Knob, near Rutland, Vermont, in 1941 This turbine, called the Smith-Putnam machine, had a tower that was 34 m high and a rotor 53 m in diameter The rotor...

Ngày tải lên: 21/03/2014, 12:11

... a result, the compressor and the expander must operate at the same time and must have the same air mass flow rate In the case of a CAES plant, the compressor and the expander can be sized independently ... Group, LLC systems are quiet and non-polluting, and can be installed near load centers and existing suburban substations These have round-trip AC–AC efficiencies in the range of 85%, and can respond ... but the compressor and the expander operate independently In a combustion turbine, the air that is used to drive the turbine is compressed just prior to combustion and expansion and, as a result,...

Ngày tải lên: 21/03/2014, 12:11

... PV systems to supply a portion of their total customer demand Some of these systems have been residential and commercial rooftop systems and other systems have been larger ground-mounted systems ... Systems Stand-alone PV systems are used when it is impractical to connect to the utility grid Common standalone systems include PV-powered fans, water pumping systems, portable highway signs, and power ... PV system may need to be temporarily removed and then reinstalled Canopies for parking lots present attractive possibilities for large utility-interactive PV systems 3.2.2 Stand-Alone PV Systems...

Ngày tải lên: 21/03/2014, 12:11

... machine, for damping power system dynamic oscillations [see Power System Stability and Control, Kundur (1994) and Section of title Power System Stability and Control of this handbook.] Various auxiliary ... Condenser Control Pump Storage Control Trashrack Control Forebay Selective Withdrawal Control Black Start Control Unit Auxiliaries Control Governor/Excitation Control/ Status Unit Load Control Unit ... service 4.2.8 Governor System The governor system is the key element of the unit speed and power control system (IEEE, 125, 1207; IEC, 61362; ASME, 29) It consists of control and actuating equipment...

Ngày tải lên: 21/03/2014, 12:11

... these criteria, and the knowledge of the stator current and cooling system effectiveness, the manufacturer can project the motor component heating, and thus insulation life, and the efficiency ... insulation as if it were a capacitor Shaft grounding and shaft voltage and grounding current monitoring can be employed to predict and prevent bearing and other problems 5.3 Performance 5.3.1 Synchronous ... torsional oscillation and to suppress harmonic variation in the magnetic waveform In a motor, heavy bars and end connections are required in the pole face to minimize and withstand the high heat...

Ngày tải lên: 21/03/2014, 12:11

... DC system is supplied for circuit breaker and protective relaying The system voltage may collapse to close to zero during fault conditions and would not be capable of supplying relay control and ... 120-V control systems which may be operated ungrounded for reliability reasons An ungrounded system may be allowed to continue to operate with a single ground on the system Ungrounded systems ... least one DC system for control and operation of essential systems when off-site power is lost The required operating time for the emergency equipment that will be operated from the DC systems must...

Ngày tải lên: 21/03/2014, 12:11

... automotive and transportation markets These experiments later expanded into markets associated with military and commercial aircraft and mobile systems Microturbines are typically defined as systems ... possibility of ‘‘islanding’’ a portion of the system Small: Between large and extremely small Extremely small: Generation less than 100 kVA Location on the system and individual system characteristics ... power delivery system FERC requires six ancillary services, including system control, regulation (frequency), contingency reserves (both spinning and supplemental), voltage control, and energy imbalance...

Ngày tải lên: 21/03/2014, 12:11

... line, and consists of several thyristor-controlled capacitors in series or parallel, and may include thyristor-controlled inductors Medium- and low-voltage systems use several other electronic control ... lightning and switching overvoltages They are voltage dependent, nonlinear resistors 8.3 Control Devices In an electric system the voltage and current can be controlled The voltage control uses ... Highvoltage and extra-high-voltage (EHV) transmission lines interconnect power plants and loads, and form an electric network Figure 8.4 shows a typical high-voltage and EHV system This system contains...

Ngày tải lên: 21/03/2014, 12:11

... longitudinal, transverse, and vertical directions, and the structure deterministically designed Using the loads and structure configuration, ground line reactions are calculated and used to accomplish ... real-world exposure of the structural support system OHTLs are tens of yards wide and miles long and usually extend over many widely variant microtopographical and microclimatic zones, each capable of ... system, the forces from the conductors and OHGWs on one side of each tangent structure are balanced and restrained by those on the other side When a critical component in the conductor=OHGW system...

Ngày tải lên: 21/03/2014, 12:11

... Lines and Substations Transmission line and substation insulation integrity is one of the most dominant factors in power system reliability We will describe typical transmission lines and substations ... need to carry the weight of the conductors and the weight of occasional ice and wind loading In northern areas and in higher elevations, insulators and lines are frequently covered by ice in ... from tension to compression and back) The insulator’s one-minute tension strength is measured and used for insulator selection In addition, each cap -and- pin or ball -and- socket insulator is loaded...

Ngày tải lên: 21/03/2014, 12:11

... realized and maximum safety of personnel is attained, properly designed and constructed tools and equipment are tantamount to a successful job Because the initial cost of these tools and equipment ... conductors being strung and pulling cables being used, or fully insulating equipment and operator, isolating equipment and personnel All equipment, conductors, anchors, and structures within a ... was physically able to withstand the tensions of lowering it to the ground By utilizing a helicopter and bare-hand work methods, the spacers were able to be replaced and the conductor strengthened...

Ngày tải lên: 21/03/2014, 12:11