Authors : Sulfan Bagus Setyawan; Muhammad Rifqi Agung; Wahyu Pribadi; R. Akbar Nur; Wida Yuliar Rezika
Volume/Issue : Volume 8 - 2023, Issue 7 - July
Google Scholar : https://bit.ly/3TmGbDi
Scribd : https://tinyurl.com/33kvmdwm
DOI : https://doi.org/10.5281/zenodo.8238309
Currently, the train door settings lack a speed
control system with closed-loop control, relying on
manual tuning to ensure uniform door speeds. To address
this limitation, this research focuses on developing a Door
Control Unit (DCU) to regulate the train doors' condition
and manage the opening and closing speed.The DCU
system relies on a Programmable Logic Controller (PLC)
as its foundation, enabling seamless communication with
other PLCs through the RS485 communication line using
the Modbus RTU protocol in a master-slave
configuration. Consequently, this setup facilitates
integration with various control devices, enhancing the
overall efficiency of the train door operation. The DCU
employs a Proportional-Integral-Derivative (PID) control
method with a closed-loop system, coupled with PWM
Duty Cycle output adjustments. By applying the Ziegler-
Nichol's type 1 PID control method, the obtained control
parameters are Kp = 2.4, Ki = 12, and Kd = 0.12.
Keywords : Door Control Unit (DCU), Programmable Logic Controller (PLC), PID, Ziegler-Nichol's, Modbus RTU.