Universiti Teknologi Malaysia Institutional Repository

Real-time implementation of feed rate active force control of a syringe fluid dispenser

Sharif, S. K. B. and Mailah, M. (2017) Real-time implementation of feed rate active force control of a syringe fluid dispenser. Jurnal Teknologi, 79 (5). pp. 117-123. ISSN 0127-9696

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Abstract

For precise application, it is imperative to provide accurate and stable performance. The feed flow rate of a syringe fluid dispensing system is regulated through a Proportional-Integral-Derivative (PID) and Active Force Control (AFC) control scheme that was actuated using a DC servo motor considering a real-time implementation. The focus of this study is to control the speed of a DC motor by implementing an AFC strategy in rejecting the disturbance in the system. The AFC is implemented by cascading its control loop with the outer PID controller loop to form a two degree-of-freedom (DOF) controller. The performance of the proposed PID with AFC control scheme was investigated considering both the theoretical simulation and experimental works. The simulation was performed in MATLAB/Simulink computing platform while the real-time experimentation was done by utilising the Arduino MEGA 2560 microcontroller with MATLAB/Simulink driver for the data acquisition, interface and control implementation. The results implies the robustness of the AFC-based system in controlling the feed flow rate of the fluid in the dispenser. The best performance is obtained for 100% AFC with the disturbance due to vibration almost completely compensated via the proposed scheme in comparison to the PID counterpart.

Item Type:Article
Uncontrolled Keywords:Active force control, Ball screw mechanism
Subjects:T Technology > TJ Mechanical engineering and machinery
Divisions:Mechanical Engineering
ID Code:76704
Deposited By: Fazli Masari
Deposited On:30 Apr 2018 13:52
Last Modified:30 Apr 2018 13:52

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