Scaled Control Of DC Motors

Ng, Cho Liang (2015) Scaled Control Of DC Motors. Project Report. UTeM, Melaka, Malaysia. (Submitted)

Text (24 Pages) Scaled Control Of DC Motors.pdf - Submitted Version Download (420kB)

Abstract

Scaling of DC motors using a control system can be used in many applications such as robotics, pneumatic or even in the industry. The importance of this scaling control of DC motors can save a lot of time and energy for the user. In many applications, scaling control of DC motors causes a lack of performance in the delay time when the motor rotated to the desired set point and the deviation error when each of the motors being rotated to the specified angle. The delay time and deviation error are crucial for the whole development of the process in order to increase the smoothness and efficiency of the system. The main objective is to scale the smaller motor or the larger motor respectively, which act as an actuator under a standard force on one of the motors, the larger motor or smaller motor respectively will scaled the torque to become smaller or larger. Other than that, to calculate the delay for the DC motors and the deviation of the error in the motors. For the methodology, the first part is to take the encoders reading for both motors in order to calculate the time delay for both of the motors. Second part comprises of measuring the beginning angle and last angle of the motor in order to know the exact error after the scaling being done. Hence, the parameter of each of the results tabulated need to be calculated accordingly in order to know the scaling factor which will relate to the torque parameters which the current and force that being applied on the DC motors. The error in time delay is about 5.0s. The deviation of the angle that produces is around 5˚. Lastly, the scaling factor around the range of 10.

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