November 13, 2009

Research Proposal Sample on Project on Speed Control of DC Series Motor Using MATLAB Simulink

Project on Speed Control of DC Series Motor Using MATLAB Simulink

1.0 Introduction

Speed control is an electric circuit which purports to vary an electric motor's speed as well as its direction and possibly also act as a dynamic brake. It could be a stand-alone unit which plugs into the receiver's throttle control channel or incorporated into the receiver itself. Speed control is designed for use in cars to reversing capability as well as helicopters, airplanes and boats. In series motors, the field windings are connected in series with the armature coil wherein the field strength varies with changes in armature current. When the speed of series motor is reduced by a load, the series motor develops greater torque. Its starting torque is greater than other types of dc motors. The speed varies widely between full-load and no-load. Further, counter-electromotive force is generated in a dc motor as armature coils cut the field flux and this emf opposes the applied voltage and limits the flow of armature current.

On the other hand, Simulink is a graphical extension to MATLAB with the purpose of modeling and simulation of systems. In Simulink, systems are drawn on screen as block diagrams and with many elements of block diagrams available. These elements include but are not limited to transfer functions, summing junctions, virtual input and output devices such as function generators and oscilloscopes. Simulink is integrated with MATLAB and data can be easily transferred between the programs. Nonetheless, whether the speed of dc series motor could be controlled using MATLAB Simulink is not known.

2.0 Problem Statement

The problem that will be addressed in this study is - Is MATLAB Simulink capable of controlling the speed of DC series motor? Other research questions which will be given answer to are:

1) What does MATLAB Simulink can do to the speed of DC series motor other that controlling it?

2) What makes MATLAB Simulink capable of doing the job? What are the properties of MATLAB Simulink that makes such possible?

3) What are the limitations of MATLAB Simulink with reference to controlling the speed of dc series motors?

3.0 Study Objectives

The main aim of this study is to explore whether MATLAB Simulink is capable of controlling the speed of dc series motors. In lieu with this, specific objectives that will be addressed are as follows:

· Determine the challenges and limitations of using MATLAB Simulink in controlling dc series motors speed

· Evaluate the benefits and/or advantages of using MATLAB Simulink in controlling dc series motors speed

· Offer recommendations based on the result of the study

4.0 Methodology

The research strategy that the study will utilize is the descriptive method. A descriptive research intends to present facts concerning the nature and status of a situation, as it exists at the time of the study (Creswell, 1994). It is also concerned with relationships and practices that exist, beliefs and processes that are ongoing, effects that are being felt, or trends that are developing (Best, 1970). In addition, such approach tries to describe present conditions, events or systems based on the impressions or reactions of the respondents of the research (Creswell, 1994).

In this study, primary and secondary research will be both incorporated. The reason for this is to be able to provide adequate discussion for the readers that will help them understand more about the issue and the different variables that involve with it. The primary data for the study will be represented by the survey results that will be acquired from the respondents. On the other hand, the literature reviews to be presented in the second chapter of the study will represent the secondary data of the study. The secondary sources of data will come from published articles from books, journals and theses and related studies.


Best, J. W. (1970). Research in Education, 2nd Ed. Englewood Cliffs, N.J.: Prentice Hall, Inc.

Creswell, J.W. 1994. Research design. Qualitative and quantitative approaches. Thousand Oaks, California: Sage.

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