Executive Summary
VVVF drives used to control the speed of LIM, many industrial automation worldwide such as Trains drives, Automatic Screen Door, Moving Walkway, Lift and Escalator, etc., varying the speed of the drive may save energy compared with other techniques for flow control.
This mid-term report prepared for detailing how to design and build the structure of LabVIEW simulation for speed control of Linear induction motor and explaining the characteristic of V/F Speed control for Induction motor obtain the data by LabVIEW.
The design and build of simulation has two parts, part one is simulation of LED indicator for motor speed recognize and part 2 is simulation of V/F speed control of Linear induction motor. Firstly, design a control function in front panel of LabVIEW, it use for a control system interface and show the LED indicator for speed control of frequency variable. Secondly, build up a simulation module of the block panel, which function on the palette indicate the frequency calculations. After set the value of the frequency by turning the “Frequency Variable” knob, the value will be sent to the Logics used. It is a human machine interfaces design software that is user friendly.
Table of Contents
Introduction 3
Literature search 4
Methods of Achieving Sustainability 4
Evidence of the Problem 4
Advantages of Energy Saving 4
Reference Design 5
Technical work 6
I. Lab VIEW programs 6
Design of Software 6
Part one - Control Panel 7
Part two – Oscilloscopes Panel 7
Block diagram 8
II. KKVF-J Inverter 9
III. PLC of Mitsubishi FX2N 9
IV. Linear Induction Motor 9
Circuit Diagram: 10
System Block diagram: 11
Results and Conclusion 12
Project Timeline 16
Estimate of Budget Cost...
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...te: http://ieeexplore.ieee.org/xpl/login.jsp?tp=&arnumber=908369&isnumber=19614&url=http%3A%2F%2Fieeexplore.ieee.org%2Fxpls%2Fabs_all.jsp%3Farnumber%3D908369%26isnumber%3D19614 ]
[5] Superconducting Maglev-SCMaglev
[Website: http://en.wikipedia.org/wiki/SCMaglev ]
[6] Wikipedia, Variable-frequency drive
[Website: http://en.wikipedia.org/wiki/Variable-frequency_drive ]
[9] Energy Story
[Website: http://www.energyquest.ca.gov/story/chapter01.html ]
Appendices
Frequency knob set to 0.1 = 6hz
Frequency knob set to 0.2 = 12hz
Frequency knob set to 0.3 = 18hz
Frequency knob set to 0.4 = 24hz
Frequency knob set to 0.5 = 30hz
Frequency knob set to 0.6 = 36hz
Frequency knob set to 0.7 = 42hz
Frequency knob set to 0.85 = 51hz
Frequency knob set to 0.9 = 54hz
Frequency knob set to 1.0 = 60hz
There are two advantages to the belt drive design. The motor in a belt driven turntable is set away from the platter by means of a continuous belt loop. This minimizes vibration to the platter and thus needle skipping. Also, belt drive models tend to be much cheaper than their direct drive counter parts.
The exact workings of different brushless DC motors depend on the type of timing device used. This example uses a Reed switch.
Fabrication at the factory utilizes a mix of robotics and manual labor to produce the body of the V-Rod. Robots that are designed to cut pipe are capable of completing a single operation within 3 seconds. Other fabrication robots utilize 1800 watt lasers that can perform cutting operations at the rate of 100 inches per minute. Where robotics can be used to perform high speed cutting and welding operations, skilled workers are a...
Rockis, Gary, and Glen Mazur. Electrical Motor Controls for Integrated Systems. 4th ed. Homewood, IL: American Technical, 2009. Print
The Automatic control utilizes micro-controllers called AVRs,many sensors, and various motors. The AVRs, one in the forklift is programmed with the required algorithms needed to run.
This involves relating the current supplied to the motor, motor shaft rotational speed, motor efficiency, and the power factor as a function of the load of the motor, similar to the figure on page 21 of the Lab Manual.
Computer simulations are software applications that enable a user to run a model of a system. Users can interact with computer systems, setting input variables and observing what changes occur to outputs. They can animatedly explore the model domain in real time, start and stop the model, make changes to test hypotheses, and experiment in a non-prescriptive fashion. The interactive, dynamic and open nature computer-based simulation is an excellent teaching tool. A tool that put users in charge of their own learning, thinking process, and own understanding of a particular system, which create valuable individual learning experiences. Reflections, title of our team paper explores some of those lessons learned as we assimilated into the world of Process Control and Problem Solving, Managing a Process Layout, and Inventory Management. Why not come alone with us as we reflect back on the various processes used in the world of business.
Siemens Electric Motor Works was the only factory in West Germany to manufacture electrical motors after the World War two. Because of the lower labor rates of its competitors, the management decided to produce low volume of special A/C motors rather than high volume of standard motors. Accordingly, in order to match the new strategy, EMW applied new cost system instead of the traditional cost system due to some problems. Firstly, the traditional cost system could not provide correct information when calculated support related costs of customized motors. Secondly, the traditional cost system unable to reflect the relationship between the increased support costs and change in product mix (“Siemens Electric Motor Works, 1997”).
Imagine getting into your automobile. You are running slightly late to work. You notice that there is traffic on the interstate, but you also need gas. There is a gas station on the back way to work. That route will add another 10 minutes. Plus having to fill the car up at the gas station on the way there. On the way you saw an ad for the brand new turbocharged version of your naturally aspirated lemon. Forced induction engines are superior to naturally aspirated engines because they provide more horsepower, better fuel economy, and control engine emissions with a higher quality. Why make being late to work take longer? When you can cut that time down with a forced induction engine.
Explain, using diagrams, armature reaction in a dc motor, the effects it has on the motor and methods to reduce it.
When the driver applies the brake, the stroke sensor detects the operation of the brake and the EDIB calculates the braking force required and sends the signal to Vehicle Control Module (VCM) via control signals. The VCM in turn determines the regenerative braking force required and sends it to EDIB unit through control signals. Also, the traction motor acts as a generator to produce the regenerative braking. The EDIB now calculates the hydraulic braking force required based on the outputs from the VCM. Thus based on this calculated hydraulic braking force the motor inside the EDIB is activated to push the master cylinder piston and adjust the fluid pressure inside the master cylinder so that it matches with the target fluid pressure. The motor engages the piston and amplifies the friction brake's pressure (hydraulic pressure). Through optimum control of the friction brake's hydraulic pressure, the energy regeneration outcome is
One nice thing about the Internal Model Control (IMC) procedure is that it results in a Controller with a single tuning parameter, the IMC filters (). For a system which is “minimum phase”, is equivalent to a closed-loop time constant (the “speed of response” of the closed-loop system). Although the IMC procedure is clear and IMC is easily implemented, the most common industrial controller is still the PID controller [3].
The development of the manufacturing industry, quality and control, manufacturing capacity increase or the duration and the need to reduce cost has arisen is inevitable. Thus automation and programming concepts were started years ago. Automation is a machine's operative procedures and their sequence start form beginnig to end without human intervention, and its done automatically. Programming of the sequence of operations is prerared and tranfered to the counter. A bench during the operation of the program, and in the process, this will provide for amendments to the alignment and speed, then the counter is called flexibility.
They will vanish in few years. Savonius rotor can be fulfilling the demand of electricity for domestic purpose. India is divided in many village where the electricity unable to reach due to geographical problem such as mountains, forest. It is necessary to give an attention on savonius rotor which small power generation unit which will cover the demand of individual houses. But the problem with savonius rotor is less efficient. Many people have worked on improve the geometry of rotor which will give efficient performance .by using numerical analysis.aim of paper is to bring them into discussion:
Software testing is the process of evaluating a software item to identify differences between given input and expected output. It also confirms that the feature and functions of the software going to be working according to the specifications and requirements. It is considered as most important part of software development cycle(SDLC). Testing actually defines the quality of the product. Software testing is a process which should be done during the development process and the system is complete. In other words software testing combines with verification and validation process. In this Section we test our proposed simulation software with different testing method.