Cutting Force Compensation Analysis Using PID Control

Leo , Khee Jia (2011) Cutting Force Compensation Analysis Using PID Control. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

The report is produced based on the title "Cutting force compensation analysis using PID controller". From the title, there are three main elements in this project, namely: cutting force compensation, analysis, and PID controller. In overall, the project consists of two phases, experiment analysis and compensation analysis. The experiment phase will conduct end milling with designed parameters, and then capture the cutting force signal during the process. The captured result will be analyzed by using MATLAB. In the second phase, the previous result is used as disturbance signal in the control system. Based on previous work, the second order system transfer function with time delay is used to design the PID controller. PID controller is designed using bode plot. A few studies are done on the design PID controller, namely: PID controller tuning, PID controller tracking performance, and tracking performance between PID controller and SMC sigmoid. The PTD compensation is able to reduce the machine table position error. The perfonnance of nonlinear controller SMC sigmoid is better than a linear PID controller. The project is done until simulation and it will be continued on covering the PID controller into real-time compensation.

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