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Journal of Fuzzy Systems and Control (JFSC)
Published by Peneliti Teknologi Teknik Indonesia
ISSN : -     EISSN : 29866537     DOI : https://doi.org/10.59247/jfsc.v1i1.24
Core Subject : Science, Engineering,
Control & Systems Engineering Electrical & Electronics Engineering Energy Engineering
Journal of Fuzzy Systems and Control is an international peer review journal that published papers about Fuzzy Logic and Control Systems. The Journal of Fuzzy Systems and Control should encompass original research articles, review articles, and case studies that contribute to the advancement of the theory and application of fuzzy systems and control, and their integration with other technologies, such as artificial intelligence, machine learning, and optimization.
Arjuna Subject : Teknik (semua kategori) - Teknik Kontrol dan Sistem
Articles 76 Documents
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Trajectory Tracking using LQR Control for Pendubot: Simulation and Experiment Tran, Trong-Bang; Nguyen, Hoang-Thien; Nguyen, Tay; Dang, Duc-Dat; Pham, Duong-Minh-Quang; Le, Nhat-Duy; Huynh, Hoang-Khuong; Phan, Thanh-Quoc-Du; Nguyen, Bao-Huy; Nguyen, Ngo-Huu-Tung; Pham, Le-Quoc-Toan; Nguyen, Trung-Hieu; Dang, Quang-Vinh
Journal of Fuzzy Systems and Control Vol. 2 No. 1 (2024): Vol. 2, No. 1, 2024
Publisher : Peneliti Teknologi Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59247/jfsc.v2i1.163

Abstract

Pendubot, a unique single-input-multiple-output (SIMO) system, is commonly employed in laboratories to validate control algorithms. In this article, we develop an LQR controller to simulate and assess its effectiveness on this model. Specifically targeting the TOP position for control, we not only verify the controller's quality but also ensure the motion system accurately tracks a predefined trajectory, encompassing sine and square pulses. Control parameters are meticulously chosen through a genetic algorithm (GA). Although LQR is not highly rated for trajectory tracking due to its relatively small operational range, our successful simulations and control of this system are attributed to the assistance of GA
Stroke Patient Communication Tool with Touch Sensor and Phrase Time Step Aji Pratama, Fajar; Safitri, Meilia; Loniza , Erika; Probo Santoso, Henry
Journal of Fuzzy Systems and Control Vol. 2 No. 1 (2024): Vol. 2, No. 1, 2024
Publisher : Peneliti Teknologi Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59247/jfsc.v2i1.164

Abstract

The purpose of this prototype is to enhance communication between stroke patients and their caregivers, as difficulty in understanding the nuanced wishes of stroke patients often leads to a reduced quality of life for the patients and increased caregiver depression. This study aimed to address these challenges by providing a more effective means of interpreting the desires of stroke patients during their interactions with their caregivers. The prototype utilizes a dual-input system to capture the intricate communication dynamics. The first input involves recording the finger movements of the patient through touch interaction with the TTP223 touch sensor area. In contrast, the second input comprises a time-step phrase that serves as a complementary mechanism for selecting communication phrases. The combination of these inputs is processed using Boolean logic, specifically employing basic AND logic, in which both inputs must register as high to yield a correspondingly high output. The ESP32 microcontroller processes the output signal, and the resulting information is displayed on both an LCD screen and a dedicated Telegram application. The prototype achieved a notable accomplishment of 100% accuracy in reading inputs.
PID Control for Cart and Pole system: Simulation and Experiment Dang, Thai-Bao; Ngo, Truong-Doan-Hy; Tran, Thanh-Danh; Vo, Thi-Kieu-Tien; Lai, Nguyen-Ngoc-Truc; Huynh, Thi-My-Linh; Nguyen, Thi-My-Hang; Nguyen, Thi-My; Le, Tuong-Vy; Pham, Khanh-Hung; Huynh, Nguyen-Cuong; Nguyen, Anh-Tuan; Nguyen, Thanh-Trung
Journal of Fuzzy Systems and Control Vol. 2 No. 1 (2024): Vol. 2, No. 1, 2024
Publisher : Peneliti Teknologi Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59247/jfsc.v2i1.165

Abstract

Inverted pendulum (IP) is a single input-multi output (SIMO) nonlinear system that is popular in laboratories of control engineering. In this paper, we propose a structure of the PID control method – the most popular control method in the industry - for the cart and pole (C&P) system- a kind of IP. In this case, a suitable structure can help single input-single output (SISO) linear controllers to balance well. By this combination, the PID method can be used to stabilize this model at the equilibrium point. This controller is proven to work well in simulation. Therefore, we also present an experimental model which is created from the STM32F4 Discovery board for testing this algorithm. The experiment results again confirm the suitability of the method in simulation. Therefore, a survey of PID calibration is examined. The experimental survey confirms the suitability of this PID controller with theoretical points. The results from this study can be used to examine and train algorithms for learners in control laboratories.
Application of LQG Control for Pendubot System Nguyen, Duc-Anh-Quan; Nguyen, Luu-Quang-Thinh; Nguyen, Hoang-Anh; Nguyen, Phu-Hung; Tran, Quoc-Thai; Pham, Cao-Sang; Tran, Hoang-Bao; Pham, Van-Huy; Nguyen, Anh-Quoc; Nguyen, Phong Luu
Journal of Fuzzy Systems and Control Vol. 2 No. 1 (2024): Vol. 2, No. 1, 2024
Publisher : Peneliti Teknologi Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59247/jfsc.v2i1.171

Abstract

The paper focuses on the study of the Pendubot system, a classic system widely used in control research, particularly the 2-link Pendubot. This system is nonlinear with a single input and multiple outputs (SIMO) and is under-actuated. The paper addresses the challenges of applying optimal Linear Quadratic Regulator (LQR) control to Pendubot, requiring an accurate model without noise. The author proposes using a Kalman filter to estimate the system's state variables and mitigate the impact of noise. Subsequently, the LQR controller is applied based on the estimated state variables. Thus, the study suggests an integrated approach combining Kalman filtering and LQR control to enhance Pendubot's performance under real-world conditions. The combination of LQR and Kalman forms a new controller called LQG, which addresses issues encountered by standalone LQR and improves the system's optimal performance. The paper focuses on evaluating the performance of LQR and LQG controllers through system simulations with the input being the motor force applied to the first bar of the Pendubot system in MATLAB Simulink software.
Evaluating the Impact of Cliplimit Parameters and Viewing Distance on Image Clarity in Vein Viewer Akbar Zakawali, Azriel Dutta; Loniza, Erika; Safitri, Meilia; Ahmad Baballe, Muhammad
Journal of Fuzzy Systems and Control Vol. 2 No. 1 (2024): Vol. 2, No. 1, 2024
Publisher : Peneliti Teknologi Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59247/jfsc.v2i1.173

Abstract

Detection of veins is a critical aspect of intravenous catheterization, but it is a challenging task prone to errors, which can lead to complications such as discomfort or vessel damage. To address this issue, Vein Viewer, an auxiliary tool that employs an infrared camera, has been used to enhance vein visibility. This device captures a subcutaneous venous map using an infrared camera and then processes the images using a Raspberry Pi to display them in real-time on an LCD. This study aims to improve the use of Vein Viewer by analyzing its performance in relation to cliplimit adjustments and varying distances from the skin surface. Our findings indicate that the clearest images are obtained with cliplimits of 500 at 10 cm, 300 at 20 cm, and 400 at 30 cm. These results provide valuable insights into the optimal use of Vein Viewer and offer a practical approach to improve the accuracy of vein detection and reduce the rate of intravenous catheterization errors, ultimately enhancing patient care.
Enhancement of the Properties of Solar Cells Fabricated by Cadmium Oxide Deposited on Porous Silicon Mahdi, Raghad R.; Maki, Samier A.; Salihi, Hind A. AL; Abood, Marwa K.; Halbos , Raghad J.; Hassan, Ruqia Abdulhussien; Fayad, M. A.
Journal of Fuzzy Systems and Control Vol. 2 No. 1 (2024): Vol. 2, No. 1, 2024
Publisher : Peneliti Teknologi Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59247/jfsc.v2i1.175

Abstract

This work describes the synthesis of cadmium oxide by a straightforward chemical process and its deposition onto a porous silicon substrate using the drop-casting technique. X-ray diffraction was utilized to determine the structure of the produced cadmium oxide (CdO). The results indicated that the CdO synthesized at room temperature is a cubic polycrystalline structure with a peak at 111. The grain size of the CdO exhibits a high level of homogeneity. The mean roughness of the produced CdO thin film was demonstrated using atomic force microscopy (AFM). The study utilized the optical properties of CdO, revealing its strong absorption and low transmission characteristics. A solar cell was created by depositing cadmium oxide onto prepared porous silicon to verify its high conversion efficiency of approximately 5.8%. The study examines the physical characteristics and effectiveness of a solar cell constructed using cadmium oxide placed on porous silicon.
Adaptive Fuzzy Filter Technique for Mixed Noise Removing from Sonar Images Underwater Aessa, Suad Ali; Ali, Ekbal Hussain; Shneen, Salam Waley; Abood, Layla H.
Journal of Fuzzy Systems and Control Vol. 2 No. 2 (2024): Vol. 2, No. 2, 2024
Publisher : Peneliti Teknologi Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59247/jfsc.v2i2.176

Abstract

Underwater Analysis of acquired images may be affected by low contrast, haze, and other disturbances., caused by scattering and absorption of the light through propagation. An adaptive fuzzy filter for three mixed noise reduction is adopted on underwater sonar images to take out the various noises that either appear in the image when captured or injected into the image when transmitted. Underwater images when captured usually have speckle noise, salt, pepper noise also Gaussian noise. Is suggested in this paper an adaptive fuzzy filter structure that combines the fuzzy filter, sigmoid sliding control to minimize error as possible, and mean filter to reduce three mixed noises from sonar images underwater. This technique gives the best results especially with speckle noise compared to mean filter, median filter as no adaptive filters, and fuzzy filters, frost filter as adaptive filters. The MATLAB programs are adopted to simulate the proposed system.
Study Some Properties of Solar Cell Fabricated by Deposited Cadmium Oxide on Pours Silicon in Three Different Temperatures Mahdi, Raghad R.; Maki, Samier A.; AL Salihi, Hind A.; Abood, Marwa K.; Halbos, Raghad J.; Hassan, Ruqia Abdulhussien; Fayad, M. A.
Journal of Fuzzy Systems and Control Vol. 2 No. 2 (2024): Vol. 2, No. 2, 2024
Publisher : Peneliti Teknologi Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59247/jfsc.v2i2.179

Abstract

In this research cadmium oxide were prepared by using the chemical simple method, and a pours silicon has been fabricate by using the etching technique on the regular silicon, a solar cell is fabricated by deposited the cdo on the prepared pours silicon (Cdo/Psi) by the drop casting method and do the annealing process in three deferent temperatures (200,400,600) c˚. The XRD testes show that all the prepared samples are poly crystalline and cubic with orientations peaks (111,101,100,102). The optical testes show that these thin films have a high absorbency and low transmittance decrease with increasing the annealing temperature. The short circuit current (Isc) and the short circuit voltage (Vsc) of the fabricated solar cell showed that the conversion efficiency increase as the annealing process temperature increase until it become (9.3)% at (600)c˚.
Beta-Deficient Estimators with Truncated Sampling Plan in Quality Control for the Auto Battery Industry Omran, Salman Hussien; Shneen, Salam Waley; AL-Khafaji, Mohanned M. H.
Journal of Fuzzy Systems and Control Vol. 2 No. 2 (2024): Vol. 2, No. 2, 2024
Publisher : Peneliti Teknologi Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59247/jfsc.v2i2.181

Abstract

Quality manipulation plays an essential feature in assuring product reliability and patron loyalty. Single Sampling Plans (SSPs) are usually utilized in excellent assurance to decide whether a batch of items should be popular or rejected based on sample characteristics. Truncated SSPs are a subset of those plans that offer benefits in sampling performance and price effectiveness. However, the lifestyles of outliers in accrued information will have a substantial impact on the accuracy and reliability of estimators employed in truncated SSPs. This examination explores the impact of outliers on the overall performance of truncated SSP estimators, in addition to their implications for quality control decision-making. We begin by providing a comprehensive overview of truncated SSPs and their applications in the industry. Then, at that point, delve into outlier detection methods and investigate their effectiveness in identifying potential anomalies inside tested information. Notwithstanding theoretical insights, this exploration incorporates a practical application where we exhibit the effect of outlier detection and robust estimation techniques on real-world quality control choices. By giving rules and recommendations for practitioners, this study expects to upgrade the reliability and effectiveness of truncated SSPs within the sight of outliers, eventually adding to further developed product quality and consumer satisfaction in manufacturing and other industries.
PID Control for Balancing Bike Model using Reaction Wheel Tran, Thi-Ngoc-Tram; Ho, Thanh-Viet; Nguyen, Huu-Loi; Le, Ngoc-Nam; Tran, Van-Phuc; Tran, Quoc-Bao; Mai, Pham-Phuong; Pham, Ngoc-Duy; Bui, Tien-Phat; Le, Thi-Hong-Lam
Journal of Fuzzy Systems and Control Vol. 2 No. 2 (2024): Vol. 2, No. 2, 2024
Publisher : Peneliti Teknologi Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59247/jfsc.v2i2.188

Abstract

Motorcycles or bicycles are known as unbalanced systems like the inverted pendulum model. Normally, we must use a handlebar to control the Motorcycles or bicycles. In this paper, the authors propose a PID controller for a balance bike using a reaction wheel. The authors formulated a mathematical model for the system and performed simulation testing using MATLAB to control it. Also, the simulation model of the balance bike system using a reaction wheel has been developed to assess the feasibility of building and controlling the system without relying on its mathematical model. The study will explicitly provide the performance of the PID algorithm in controlling a balanced bike using a reaction wheel.

Page 3 of 8 | Total Record : 76

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