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Self-balancing Robot Control Using Fractional-Order PID Controller
(2019-01-01)
Kankhunthodl, K.
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Kongratana, V.
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Numsomran, A.
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Tipsuwanporn, V.
This paper presents a two-wheeled robot control that can balance upright on its own by controlling the angular speed of the motor to keep the robot upright using measured data from the gyroscope sensor. The aim of this study is to demonstrate the design of fractional-order PID controller (FOPID) that has more controllability and the ability to adjust outperform traditional PID controller. The design of optimal FOPID controller based on integer-order PID parameters are explained and validated its performance compared with the traditional PID controller using Matlab simulation. As well as the real system experiment is implemented on Raspberry Pi using IIR filters cascaded second-order section form II. The study revealed the appropriate concept of implementation of FOPID on the real system.
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Mini-drone quadrotor altitude control using characteristic ratio assignment PD tuning approach
(2019-01-01)
Chaoraingern, J.
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Tipsuwanporn, V.
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Numsomran, A.
This paper presents PD tuning approach using characteristic ratio assignment (CRA) method for Parrot rolling spider mini-drone quadrotor altitude control system. The aim of this study is to examine the PD controller design and parameter tuning for achieving six degrees of freedom motion control. The CRA technique has been used for determining the proper controller parameters based on the selection of the characteristic polynomial coefficients of the closed loop system conform to the specified the performance criteria. The altitude control simulations applied to Parrot rolling spider mini-drone quadrotor system so that investigated the performance of the proposed controller deign scheme. The results clearly exposed that the control system is fairly stable and out performance, likewise has the effectiveness of controller's parameters adjustability.
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Head loading control for hard disk drive process MRAC technique
(2018-01-01)
Boonpranchoo, V.
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Chaoraingern, J.
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Tipsuwanporn, V.
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Numsomran, A.
Head to disk striking is an essential problem in the servo track writing process caused by less dynamic response control. This paper describes head loading control for the hard disk drive process using model reference adaptive (MRAC) technique, in order to decrease the occurrences of the head striking. The introduced technique, discrete time model reference adaptive has an adjustable control mechanism to decrease the deviation of a system output from the output of the reference model so that increase reference tracking performance. The experiment results implemented in self-servo track writer illustrated that the proposed controller design can achieve the effective control performance comparing with the conventional PID control.
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Chemical dosing control for ultrafiltration water treatment system
(2017-12-13)
Kungwalrut, P.
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Numsomran, A.
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Chaiyasith, P.
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Chaoraingern, J.
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Tipsuwanporn, V.
Chemical dosing is a significant process of water treatment system because it influences on water quality and operational cost. This paper presents a chemical dosing pH control using temporal logic technique for ultrafiltration water treatment system, in order to validate and analyze an appropriate control approach. In this study, a simulation was built in Matlab Simulink, and has been tested with the data collected from a pilot-scale ultrafiltration water treatment system. As stated in the simulation results, the proposed control scheme can achieve the performance specification in pH control.
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A study of flow-level cascade control with WirelessHARTTM transmitter using LabVIEW
(2017-12-13)
Somkane, Pongsakorn
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Kongratana, V.
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Gulpanich, S.
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Tipsuwanporn, V.
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Wongvanich, N.
This work presents a cascade control architecture to combat network induced delays in Wireless network controlled systems. Specifically a flow-level cascade control system is considered whereby the primary process variable is liquid level, and the secondary process variable is the flow rate. The flow-level process variables are measured by Wireless HART differential Pressure (DP) transmitter and sent through a WirelessHART gateway. Control actions are provided by a control valve actuator which is manipulated through a PLC. The PLC and the WirelessHART gateway are managed by an OPC server providing a medium of communication. The PID controller gains are designed through the LabView software, in which the network induced delays is offset by adjusting the controller interval until the responses are satisfactory. Results show that cascade control outperformed the single loop control, in both handling network induced delays and coping with disturbances.
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PLC-based industrial temperature controller with different response times
(2017-12-13)
Gulpanich, S.
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Krongratana, V.
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Srimuang, Arthit
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Tipsuwanporn, V.
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Wongvanich, N.
This work presents a temperature control of industrial ovens using block FB58 'TCONT-CP' from the Siemens S7-300 PLC, which is evaluated by the OB35 interrupt. Two plants were considered. The first plant was a small industrial oven made of aluminum of size 1.5 cm × 5 cm and taking in 60 W of heat. The second plant was a large industry oven with a 0.125 m<sup>3</sup> capacity, capable of exuding 1500 W of heat. Both experiments were controlled by the same Block Command and ovens were tested separately. The Cohen-Coon PID tuning method was firstly applied to both plants, with a separate controller values being obtained for each plant. These values were kept fixed throughout the experiments. A tailored approach was adopted whereby a pulse gen was used in conjunction with the PID control for the small plant; whereas a control zoning was used for the larger plant. Result show that the tailored approach yielded significant improvements in settling times compared to a conventional PID controller.
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Non-linear fuzzy-PID controller design for track following of hard disk drive servo system
(2017-12-13)
Boonpranchoo, V.
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Numsomran, A.
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Chaiyasith, P.
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Chaoraingern, J.
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Tipsuwanporn, V.
This paper presents a non-linear control design scheme for track following control of hard disk drive using Fuzzy-PID controller. The proposed scheme, using a parallel structure combined of non-linear Fuzzy PI controller and Fuzzy PD controller, controls the response of a track following control of hard disk drive system to decrease total of non-repeatable position error (NRPE) and position error signal (PES). A performance verification of the proposed controls was also conducted using HDD benchmark simulation system. Results showed that the non-linear Fuzzy PID controller satisfies an acceptable performance in hard disk drive head track following control and effectively robust to disturbance and process parameter perturbations.
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A PIλDμ controller design for peltier-thermoelectric cooling system
(2017-12-13)
Kungwalrut, P.
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Numsomran, A.
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Chaiyasith, P.
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Chaoraingern, J.
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Tipsuwanporn, V.
This paper describes the fractional-order controller design to achieve stability, performance and robustness of peltier-thermoelectric cooling system modeled as a first-order plus dead-time process which is widely used in a variety of applications. By using the purposed method, the process parameters are estimated from experimental based model identification. Then, the fractional-order controller is designed and optimized by minimizing the function of ISE performance index. Simulation validates theoretical analysis and demonstrates the enhanced performance of the fractional-order controller compared with integer-order.
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The improved sensitivity of remote robot control via parallel method
(2015-12-23)
Samaimak, S.
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Tipsuwanporn, V.
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Numsomran, A.
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Harnnarong, Sh
In a robot control system, the process of data reading affects the consumed time which will directly affect to the time is used in this system. The more channels exist, the more time will be consumed in the robot control system. This work presents the application of parallel reading in the wireless receiver with eight channels for robot semi-automatic control. The software presented in this work was intentionally written as a standard library for Arduino which can read both in sequence and parallel. Obviously the result shows that the all of eight channels, the parallel reading in this work consumed the reading time less than the sequence reading, which decreased the time consumed in the reading process. It affects to improve the sensitivity of remote robot control.
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Asymmetrical two-phase induction motor speed controlled with 4-leg voltage source inverter
(2015-09-28)
Kaenthong, K.
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Tipsuwanporn, V.
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Numsomran, A.
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Sawaengsinkasikit, W.
This research is design and construct of Sine Pulse Width Modulation (SPWM) 4-leg voltage source inverter for controlling speed of asymmetrical two-phase induction motor. The Sine PWM switching signal is generated by ARM7 (Adu7024) microcontroller which is programmable and cheap, while having high frequency to generating switching signal. Two ICs No. IR2130 are used for motor driving part. The characteristics of output current signal are nearly closed to sinusoidal pattern resulting to high efficiency for motor control. In order to control the speed of induction motor, ratios of voltage to frequency (V/f) are controlled and constant torques are obtained by implementing technique of PI close-loop control.

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