Design Of Self-Tuned PID Controller For Linear Direct Drive System

Mohamad Nor, Mohamad Luqman (2019) Design Of Self-Tuned PID Controller For Linear Direct Drive System. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

The purpose of this study is to design a self-tuned proportional integral derivative (PID) controller for linear direct drive system. Linear direct drive system is said to be the simplest drive system as it has no transmission between the driver, in this case motor and load (workpiece). There are many types of controller existing today used by industries for manufacturing process and PID controller is one of the most common controller used by industries for its simple structure and easy to implement. Tuning of PID is very important as the gain values in PID controller which are Kp, KI,and KD are set to have their own task in achieving the desired output. Kp is the proportional gain which provides the overall control actuation. KI is the integral gain and it helps in decreasing the steady state errors and lastly KD is the derivative gain which improves the transient response. Self-tuning method is a very significant method of tuning a PID controller as the gain values will be varied as the disturbances values vary. There are two types of disturbances that is highlighted in this project and they are friction force and cutting force. These two forces exist as in the real scenario, the performance of the PID controller will be affected by values injected into the system by these disturbances.

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