103 research outputs found

    Software-Based Speed Control of a DC Motor Using Pulse-Width Modulation

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    Speed control of DC Motor is vital in many applications. In this paper, an effort has been made to control the speed of the DC motor using pulse-width modulation (PWM) based on LabVIEW (Laboratory Virtual Instrument Engineering Workbench) program. LabVIEW provides a graphical programming environment suited for high-level or system-level design. Because of the global tendency towards using PC-based data acquisition and control systems in industrial applications, and the high accuracy, reliability, and flexibility requirements to the control system, LabVIEW software is used. Experimental results show that the proposed control scheme provides soft start/ stop transient operations, which improves the dynamic performance of the drive system, and keeps the speed constant regardless of the changes in supply voltage or load torque. Keywords: DC motor, Pulse-width modulation, Speed control, LabVIEW software, PC-based data acquisitio

    Proceedings of the 4th field robot event 2006, Stuttgart/Hohenheim, Germany, 23-24th June 2006

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    Zeer uitgebreid verslag van het 4e Fieldrobotevent, dat gehouden werd op 23 en 24 juni 2006 in Stuttgart/Hohenhei

    Design and development of an interface for the remote control of a DC motor

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    Remote laboratories have been gaining popularity since their first appearance two decades ago as an alternative to hands on laboratories. They present numerous advantages for universities such as lower costs and flexibility, meanwhile, maintaining the benefits of dealing with real systems that virtual laboratories do not present. In this bachelor thesis, an interface to interact in remote with a DC motor, that can be used as a laboratory session was developed. A full stack application using HTML, CSS, JavaScript and Python languages was implemented. The front end of the application is a web page with real time graphs and a video feed with low latency. The back end includes a web server that attends the requests from the user, via web sockets, and performs the control loop for the motor, as well as managing the camera. The hardware of the platform was selected after a detailed research, advantages and disadvantages of potential elements alternatives will be explained. The platform also incorporates designed and printed 3D pieces. The system was successfully identified using Python and MATLABs code and its response in velocity and position is simulated with Simulink Tool.Ingeniería Electrónica Industrial y Automátic

    Advances in Rotating Electric Machines

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    It is difficult to imagine a modern society without rotating electric machines. Their use has been increasing not only in the traditional fields of application but also in more contemporary fields, including renewable energy conversion systems, electric aircraft, aerospace, electric vehicles, unmanned propulsion systems, robotics, etc. This has contributed to advances in the materials, design methodologies, modeling tools, and manufacturing processes of current electric machines, which are characterized by high compactness, low weight, high power density, high torque density, and high reliability. On the other hand, the growing use of electric machines and drives in more critical applications has pushed forward the research in the area of condition monitoring and fault tolerance, leading to the development of more reliable diagnostic techniques and more fault-tolerant machines. This book presents and disseminates the most recent advances related to the theory, design, modeling, application, control, and condition monitoring of all types of rotating electric machines
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