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739 articles for “STEP”
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Protection of UHV Substations and Transmission Lines against Lightning
Abstract: In combination with characteristics of the lightning performance of UHV power transmission lines and on analysing the experiences and lessons relating excessively high lightning trip-out rate on 1000 kV transmission lines in Japan. The minimization of ground wire shied angle along with distance of the gap with a proper length is an important step for shielding failure trip-out in China. So, we should pay attention to the shielding failure flashover …
Published in Trends in Electrical Engineering · Vol. 6, Issue 2, 2016 · pp. 41–49 Read article
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A Study of Cycloconverter Gating Sequence and Control Strategy for Various Conversion Topology
Abstract: This paper presents the topology of direct conversion of AC-AC with step down frequency operation. Due to the higher order harmonics, AC conversion always faces difficulty and complex calculation, which affects the output response. Precise controlling and harmonics reduction is much easier using frequency control strategy. In this regards cycloconverter has drawn higher attention in terms of frequency conversion. In this paper, an approach for designing of single phase and …
Published in Trends in Electrical Engineering · Vol. 6, Issue 3, 2016 · pp. 67–77 Read article
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Native Language Identification from Spoken Indian English
Abstract: Automatic speech recognition (ASR) systems that facilitate voice based search and information retrieval have gained importance recently. While the performance of ASR systems for Indian languages have improved in the recent past. They have yet to gain wide acceptability as much as the ASR systems for English spoken by Indians. Almost all Indians learn English as a second or third language. So, the phoneme set and the prosody of native …
Published in Trends in Electrical Engineering · Vol. 9, Issue 2, 2019 · pp. 1–6 Read article
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Transients of Short-Circuits and Fault Clearance in 6-Pulse Diode Rectifiers
Abstract: The paper addresses the short-circuit transients in 6-pulse diode rectifier bridges. It includes also an investigation into the transients resulting from the subsequent fault clearance. Unit-step functions are efficiently used for representing the diode characteristics and emulating the fault switching actions. The short-circuit fault and its subsequent clearance are simulated by means of a time-dependent shunt resistance at the rectifier terminals. The governing set of simultaneous algebraic and differential equations …
Published in Trends in Electrical Engineering · Vol. 10, Issue 3, 2020 · pp. 6–14 Read article
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Effect of Turn-on Angle Variation on Performance of the Switched Reluctance Motor
Abstract: Stepper motors, brushless DC motors and switch reluctance motors emerged in the last few decades and these motors are finding applications in the various fields depending upon the demand. Switched reluctance motors have 6-4, 8-6 and 10-8 stator pole-rotor pole construction available. These motors work on the principle of reluctance. In this paper, analysis is carried out for 6 stator pole, 4 rotor pole switched reluctance motor. The parameters like …
Published in Trends in Electrical Engineering · Vol. 11, Issue 3, 2021 · pp. 1–7 Read article
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Automatic Electrical Stamping and Sorting Machine Using PLC
Abstract: Sorting and stamping are final steps in the product manufacturing process that are necessary to brand the final product. Various product types are categorized based on a variety of criteria, and after that, the product is stamped. Here, we show an entire system that combines sorting and stamping of the object as it passes along a conveyor. The process of using air pressure to stamp a logo onto objects is …
Published in Trends in Electrical Engineering · Vol. 13, Issue 1, 2023 · pp. 39–45 Read article
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Kinetic study of a bipedal humanoid robot and mode of the spherical inverted pendulum
Abstract: Studies on an anthropomorphic biped walking robot have led to the expectation that a bipedal humanoid robot will actively participate in human living environments. The authors created the human-size 35 active DOF bipedal humanoid robot "WABIAN" and the human-size 41 active DOF bipedal humanoid robot "WABIAN-R" as the initial step in creating a bipedal humanoid robot. The authors also put forth a fundamental method of controlling whole-body cooperative dynamic biped …
Published in Trends in Machine design · Vol. 9, Issue 3, 2022 · pp. 29–34 Read article
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Experimentation design of various edible and non-edible oils-based biodiesel using response surface methodology
Abstract: The current research presents the experimentation design for three input process parameters for the optimization of biodiesel production. The response surface methodology using CCRD is applied through design expert 6.0.8 tool. The small factorial is applied to reduce the experiments to some extent. It has been observed that response surface methodology is the effective technique to design the experiments as compared to other statistical techniques. Furthermore this tool has been …
Published in Trends in Machine design · Vol. 10, Issue 1, 2023 · pp. 39–44 Read article
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Experimental Investigations on Concentric Flow Dry Ultrasonic Assisted Wire Electric Discharge Machining (CFDUAWEDM) Using Regression Analysis
Abstract: This paper presents an application of concentric flow mode of dry dielectric (compressed air) supply for ultrasonic assisted wire electric discharge machining process (CFDUAWEDM). The concentric flow mode of dielectric supply using ultrasonic assistance is expected to offers improved surface integrity, environmental and operator friendliness during wire electric discharge machining (WEDM) process. Experimental set up was developed wherein, the ultrasonic vibration was applied to the electrode wire using an ultrasonic …
Published in Trends in Machine design · Vol. 3, Issue 2, 2016 · pp. 33–43 Read article
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The Physio-chemical Analysis of waste cooking oil and butanol blends with diesel
Abstract: With the growing concerns of environmental condition and energy resources, the alternate fuel like biodiesel is the best promising fuel. In this paper the physico-chemical properties has been determined of two different bio-diesel blends (1)Waste cooking oil(WCO) with diesel (2) butanol with diesel. The waste cooking oils are subjected to a chemical process called transesterification to produce the WCO biodiesel and then blended with diesel. The steps required for production …
Published in Trends in Mechanical Engineering & Technology · Vol. 8, Issue 3, 2018 · pp. 62–66 Read article
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Measurement of Defects in Car Bearings and Its Effect on Ultrasonic Waves
Abstract: As one of the defects of roller bearings due to intermittent coupling forces and external impact loads,surface cracks due to corrosion or wear may have many defects for rotating machines. Surfacecracking on the bearing or its ball is one of the important factors in the efficiency of the bearing andits opening. It is useful to study these cracks and identify the type and size of these cracks for bearingsused in …
Published in Trends in Mechanical Engineering & Technology · Vol. 11, Issue 1, 2021 · pp. 44–49 Read article
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Implementing Theory ofConstraints in an Indian SME: A Bearing Rings Manufacturing Machine Shop
Abstract: The Goal by Goldratt and Cox (1984) inspiring study, ‘Theory of Constraints’ has merged from simple production scheduling technique into management philosophy with best practices in profit optimization in operations management. This research work presents a case study of ‘Theory of Constraints’ in an Indian SME in a bearing races manufacturing machine shop. Machine shop is equipped with state of the art with CNC turning machines. In this machine shop, …
Published in Trends in Mechanical Engineering & Technology · Vol. 11, Issue 2, 2021 · pp. 31–40 Read article
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Throughput Analysis of Proactive and Reactive MANET Routing Protocols Over FTP and CBR
Abstract: communicating with nodes while not the utilization of network infrastructure or any centralized administration. Manet is taken into account a group of a wireless mobile node. there's variety of manet routing protocol or are developed however these all the protocols don't seem to be capable of manufacture economical routing of packet in sizable amount of node because as a result of their own limitations. Ad hoc routing technology has been …
Published in Trends in Opto-electro & Optical Communication · Vol. 5, Issue 2, 2015 · pp. 23–26 Read article
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Implementation of All-Optical Logic Gate using SOA-MZI Structures
Abstract: AbstractSemiconductor optical amplifiers (SOAs) are very attractive nonlinear elements for the realization of different logic functions, since they can exhibit a strong change of the refractive index together with high gain. In this paper, a principle of operation, simulation step and experimental result of different all-optical logic gate (AND Gate, OR Gate, XOR Gate) are well presented. These gates are based on the nonlinearities on SOAs. The experimental results are …
Published in Trends in Opto-electro & Optical Communication · Vol. 3, Issue 3, 2013 · pp. 13–21 Read article
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Image Processing Techniques for Detecting and Classification of Leaf Diseases
Abstract: Plants are the way to make a living. From the factors of our daily life to breathing we are totally dependent on plants. Therefore, plant care must be proper. Plant diseases involve, of instance, algae, bacteria, and viruses. Several researchers have to classify plant diseases but it is time consuming to manually identify them. Image processing techniques are used to detect various diseases of the plant. There are several steps …
Published in Trends in Opto-electro & Optical Communication · Vol. 11, Issue 2, 2021 · pp. 1–6 Read article
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LoRa based Healthcare and Agriculture Monitoring System with IoT Platform
Abstract: Because of the absence of portable foundation in local regions, a ton of current innovations can't be utilized effectively. With Long Range (LoRa) and Long Range Wide Area Network (LoRaWAN), there are new ideas for remote long-range correspondence which have been set up. They empower an advanced specialized answer for convey in rural regions, where current portable organization inclusion is absent. This paper examines LoRaWAN for Agriculture and Healthcare based …
Published in Trends in Opto-electro & Optical Communication · Vol. 11, Issue 2, 2021 · pp. 7–12 Read article
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Recognition of Thyroid Nodules Using Hierarchical Temporal Awareness Networking Scanning
Abstract: Contrast-enhanced ultrasonography (CEUS), a preferred imaging technique for thyroid nodule diagnosis, is able to reveal the vascular distribution within a thyroid nodule right away. With the aim of mining pathologically-related enhancing dynamics and creating predictions in one step without taking into account a native diagnostic dependency, a number of learning-based algorithms have recently been created. In clinics, separating benign from malignant nodules is always done before identifying pathological types. In …
Published in Trends in Opto-electro & Optical Communication · Vol. 12, Issue 2, 2022 · pp. 31–35 Read article
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Evolving Perspectives: Innovations in Object Detection and Identification
Abstract: One of the most important developments in computer vision has been the creation of object detection and identification systems, which have allowed robots to perceive and understand visual data similarly to humans. These systems locate each object by drawing a bounding box around it, in addition to detecting and classifying every object in an image or video. This study suggests a novel method for item identification and detection that makes …
Published in Trends in Opto-electro & Optical Communication · Vol. 13, Issue 3, 2023 · pp. 23–27 Read article
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A general review of the fundamentals of MATLAB Vehicle passive suspension system Simulink Model
Abstract: In order to enhance the comfort and handling characteristics of a vehicle, the installation of a suspension system is necessary. This system plays a crucial role in improving ride quality and road handling. For basic car models with two degrees of freedom, a passive suspension system is commonly utilized. This type of suspension system is renowned for its exceptional reliability and does not rely on an external power source, is …
Published in Trends in Transport Engineering and Applications · Vol. 10, Issue 1, 2023 · pp. 1–17 Read article
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Metrics and Measures to Job Placement
Abstract: ABSTRACTA successful job search procedure is marked by nearness to the dream job. This work elaborates the job navigation progression on basis of some experiments and studies. The most potent, elaborate with global reach, and efficient media to interface both job seekers and employers rides on internet. The work is attempted to serve the former and resolve problems. Some most experienced steps for searching jobs are detailed with. For more …
Published in Current Trends in Information Technology · Vol. 2, Issue 1, 2012 · pp. 26–38 Read article