- Non-Destructive Testing Techniques
- Welding Techniques and Residual Stresses
- Ultrasonics and Acoustic Wave Propagation
- Photovoltaic System Optimization Techniques
- IoT-based Smart Home Systems
- Solar Radiation and Photovoltaics
- Smart Grid Energy Management
- High voltage insulation and dielectric phenomena
- Software Testing and Debugging Techniques
- Machine Fault Diagnosis Techniques
- Sensor Technology and Measurement Systems
- Electricity Theft Detection Techniques
- Innovative Energy Harvesting Technologies
- Autonomous Vehicle Technology and Safety
- Engineering Diagnostics and Reliability
- Geophysical Methods and Applications
- Currency Recognition and Detection
- IoT-based Control Systems
- Infrastructure Maintenance and Monitoring
- Smart Materials for Construction
- Power Line Inspection Robots
- Multilevel Inverters and Converters
- Heat Transfer and Optimization
- Electrical Fault Detection and Protection
- Industrial Automation and Control Systems
TATI University College
2012-2024
Universiti Tenaga Nasional
2018-2020
Universiti Malaysia Pahang Al-Sultan Abdullah
2018
Eddy current testing plays an important role in numerous industries, particularly material coating, nuclear and oil gas. However, the eddy technique still needs to focus on details of probe structure its application. This paper presents overview design factors that affect accuracy crack detection. The first part focuses development different types probes their advantages disadvantages. A review previous studies examined samples, structures a contributing signals is also presented. second...
The damaging effects of corona faults have made them a major concern in metal-clad switchgear, requiring extreme caution during operation. Corona are also the primary cause flashovers medium-voltage electrical equipment. root this issue is an breakdown air due to stress and poor quality within switchgear. Without proper preventative measures, flashover can occur, resulting serious harm workers As result, detecting switchgear preventing buildup switches critical. Recent years seen successful...
The use of the eddy current technique (ECT) for non-destructive testing conducting materials has become increasingly important in past few years. ECT plays a key role ensuring safety and integrity large industrial structures such as oil gas pipelines. This paper introduce novel probe design integrated with distributed inspection system (DSECT) crack on inner ferromagnetic pipes. consists an array giant magneto-resistive (GMR) sensors, pneumatic system, rotating magnetic field excitation...
Eddy current testing (ECT) is one of the non-destructive evaluation techniques widely used, especially in oil and gas industries. It characterized noisy data to less-than-perfect detection as an indication serious false alarm problem. However, not many researchers have described detail intelligent ECT crack system. This paper introduces a review technique factors that affect signal fundamental according hardware software development. First, describe magnetic excitation resources including...
In power energy distribution networks, switchgear is considered critical equipment. This because the act of monitoring operation and condition switchgear, as well performing required corrective maintenance on any potentially problematic equipment, critical. A single event may harm thousands customers over time pose a significant risk to operational staff. Many considerations must be put in place before using outages switch down system since they raise costs disrupt supply users. As result,...
Response surface methodology (RSM) is used in this study to optimize the thermal characteristics of single graphene nanoplatelets and hybrid nanofluids utilizing miscellaneous design model. The comprise nanoplatelets/cellulose nanocrystal nanoparticles base fluid ethylene glycol water (60:40). Using response based on central composite (CCD) mini tab 20 standard statistical software, impact temperature, volume concentration, type nanofluid construct an empirical mathematical formula. Analysis...
Eddy current testing (ECT) is an accurate, widely used and well-understood inspection technique, particularly in the aircraft nuclear industries. The coating thickness or lift-off will influence measurement of defect depth on pipes plates. It be uncertain decision condition whether defects a workpiece are cracks scratches. This problem can lead to occurrence pipe leakages, besides causing degradation company’s productivity most importantly risking safety workers. In this paper, novel eddy...
Switchgear and control gear are susceptible to arc problems that arise from slowly developing defects such as partial discharge, arcing, heating due faulty connections. These issues can now be detected monitored using modern technology. This study aims explore the effectiveness of deep learning techniques, specifically 1D-CNN model, LSTM 1D-CNN-LSTM in detecting arcing switchgear. The hybrid model was preferred for fault detection switchgear because its superior performance both time...
Non-destructive evaluation (NDE) plays an important role in many industrial fields, such as detecting cracking steam generator tubing nuclear power plants and aircraft. This paper investigates on the effect of depth defect, width type material eddy current signal which is modeled by adaptive neuro-fuzzy inference system (ANFIS). A total 60 samples artificial defects are located 20 mm parallel to length block each three types material. weld probe was used inspect block. The ANFIS model has...
<span lang="EN-GB">Solar energy has become one of the most studied topic in field renewable energy. In this paper, an artificial intelligent approach is proposed for optimization a photovoltaic solar harvesting system. An Electromagnetism-Like Mechanism Algorithm (EM) been developed to search hourly optimum tilt angles panels. order investigate effect step size on efficiency and overall accuracy algorithm, EM also modified into several variants with different settings. Experimental...
Eddy current testing technique is being utilized in engineering, such as nuclear steam pipe, aircraft and gas/oil pipeline, due to its sensitivity small cracks subsurface defects, immediate results, environmental friendliness, use examining complex sizes shapes of substances. However, the lift-off noise irregular inspected materials surface, varying coating thicknesses, or movement transducers extremely limits implementation eddy a non-disastrous which impacts measure defect depth on...
The smart street-lighting system (SSLS) is a leading candidate in the city. By time of last 15 cycles, many meaningful improvements have been executed SSLS with impact internet things technologies and universal networking devices. Conventional street lighting systems are restricted to wireless sensor networks, mobile devices, old control systems. This article presents comprehensive treatment network designs, namely communication, control, sensor-based by deploying based on their existing...
Abstract Based on the chosen properties of an induction motor, a random forest (RF) classifier, machine learning technique, is examined in this study for bearing failure detection. A time-varying actual dataset with four distinct states was used to evaluate suggested methodology. The primary objective research defect detection accuracy RF classifier. First, run loops that cycle over each feature data frame corresponding daytime index determine states. There were 465 repetitions inner race...
Robotics play an important role in the era of modern technology. Robots can be defined as mechanical devices programmed to perform manipulative tasks under automatic control. Robotic arm is usually used conjunction with aids such machines and fixtures. As advancement robot technology have become integral part automation manufacturing process. This research gives idea how robotic controlled using internet systems. Therefore, it also a way reduce risk humans being dangerous areas. The...
The paper focuses on developing a microcontroller-based automated system to replace the conventional PLC. operation of proposed is similar PLC with better performances in reducing time delay using fast switching transistors. was tested controlling electro pneumatic and hydraulic devices resulting faster response stable duty cycle.
Eddy current testing is a widely applied non-destructive technique in different sections of industries. Nowadays eddy an accurate, used and well-understood inspection technique, particularly the aircraft nuclear The main purpose this paper to construct probe by using transmission coil Giant Magneto resistance (GMR) sensor for detection medium. This only use magnetic field operational flaws. A object made from material that magnetized creates its own persistent field. GMR-coil has been...
<p>The voltage control in the power distribution network is challenged firstly by constantly increasing demand and secondly a growing number of distributed connections, which significantly changes load flow network. Situation worsening with current heavily implemented micro-generation Solar PV. Consequently, uncontrollable rapid would affect instability at feeder wide area demand. Voltage energy efficiency electrical equipment. Moreover, lifespan some equipment be shortened due to...
Objectives: Non-Destructive Evaluation (NDE) is the inspection of an object to determine its properties without destroying usefulness. It used, for example, detect cracking in steam generator tubing nuclear power plants and aircrafts. Eddy Current NDE a commonly used method NDE. This study creates sample calibration block with different materials investigates effect width defects these on signal. Method/Statistical: The artificial defect are mild steel, brass copper dimensions 260 mm...
AC excitation signal is most widely used in Non Destructed Testing (NDT) devices for Piezoelectric Technique (PZT) method an inspec-tion. This paper presenting the application of piezoelectric with end to defect identification Carbon Steel Pipe (CSP) where frequency around 1kHz until 6kHz standard pipe, transverse longitudinal pipe and hole pipe. From here, by based on pick value different between ordinary (without defect) defects are analysis. The result shows that will give high amplitude...
In this study, the effect of various factors like lift-off and depth defect on eddy current signal was investigated. Investigation methods response surface methodology (RSM) composed central design (CCD) were employed to establish relationship between distance, a by two-factor interaction equation, would provide reference in further accurate defect. The regression analysis suggested that well fitted equation (R2 = 0.9656). investigated varying levels these two independent variables, which...