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52 articles for “two stage processing”
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Design and Fabrication of Automated Rice Huller
Abstract: This paper describes the detailed procedure for design and fabrication of rice huller machine. A rice huller or rice husker is an agricultural machine used to automate the process of removing the chaff (the outer husks) of grains of rice. Throughout history, there have been numerous techniques to hull rice. Traditionally, it would be pounded using some form of mortar and pestle. An early simple machine to do this is …
Published in Trends in Mechanical Engineering & Technology · Vol. 5, Issue 2, 2015 · pp. 34–38 Read article
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Superpixel Segmentation using DBSCAN Clustering Algorithm
Abstract: AbstractSuperpixel division strategies are generally utilized as a pre-preparing venture to accelerate picture handling tasks. They assemble the pixels of a picture into homogeneous locales while attempting to regard existing shapes. In this paper, we propose a quick superpixels division calculation with contour adherence utilizing the density based spatial clustering of applications with noise (DBSCAN) algorithm. We implement a two-stage processing to decrease the computational costs of superpixel algorithms. First …
Published in Journal of Artificial Intelligence Research & Advances · Vol. 4, Issue 3, 2017 · pp. 26–36 Read article
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Extraction of Rice Bran Oil and Its Application in Producing Biodiesel
Abstract: Increased environmental awareness and depletion of resources are driving industry to develop viable alternative fuels from renewable resources that are environmentally more acceptable. Vegetable oil is a potential alternative fuel. The most detrimental properties of vegetable oils are its high viscosity and low volatility and these cause several problems during their long duration usage in compression ignition (CI) engines. The most commonly used method to make vegetable oil suitable for …
Published in Journal of Petroleum Engineering & Technology · Vol. 4, Issue 1, 2014 · pp. 1–9 Read article
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Avian Echoes: Convolutional Neural Network for Bird Vocalization Detection
Abstract: Bird species identification is a complex task within ornithology that demands advanced technological solutions. This research presents an approach leveraging Convolutional Neural Networks (CNNs) for bird species recognition based on identification of bird sound, each employing unique datasets and methodologies. The objective involves a two-stage identification process, beginning with the construction of an ideal dataset. The crucial step involves converting 1D audio waveforms to 2D spectrograms, enhancing CNNs' ability to …
Published in Journal of Aerospace Engineering & Technology · Vol. 14, Issue 2, 2024 · pp. 26–37 Read article
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Design and Control of Acetaldehyde Production Process
Abstract: This paper discusses the steady state and dynamic simulations of acetaldehyde production process by using Aspen Plus and Aspen Dynamics. The model developed in the present study is the modification of the process developed by Eastman Chemical Company of U.S. Patent 6,121,498. The proposed design consists of a FEHE (feed effluent heat exchanger), reactor, absorption column, compressors and two distillation columns. Acetic acid reacts with hydrogen and gives acetaldehyde as …
Published in Emerging Trends in Chemical Engineering · Vol. 1, Issue 1, 2014 · pp. 11–21 Read article
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Study of the Physiotherapy Services and Its Impact on the Quality of Life in Gynecological Cancer Patients: A Practice Pattern in Assam
Abstract: The Gynecologic Oncology offers a comprehensive program of clinical translational and basic research in gynecologic cancer, education and outstanding patient care. Gynecologic cancer is cancer originating in the female reproductive organs. It includes cancers of the uterus, ovaries, cervix, fallopian tubes, vulva and vagina. Gynecologic cancer may be treated by specialized surgical procedures, radiation therapy and/or chemotherapy. This research is examining the theoretical frameworks, current policy and guidance that inform …
Published in Research and Reviews: Journal of Oncology and Hematology · Vol. 3, Issue 3, 2014 · pp. 1–3 Read article
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Hardware Synchronization for Embedded Multi-core Processors
Abstract: The focus is not on whether multi-core systems are becoming prevalent, but on how microcontroller architectures should be designed to comply with stringent field requirements. This paper illustrates the transition from single to multiple cores, ensuring coherence and consistency in shared memory through hardware mechanisms. Hardware barriers are implemented to allow for point-to-point synchronization between processor cores. Practical experiments center on the initial stages of transforming single-core systems into dual-core …
Published in Journal of VLSI Design Tools and Technology · Vol. 14, Issue 1, 2024 · pp. 33–42 Read article
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VACUUM ASSISTED ABSORPTION CHILLER. PART I: MODELING AND SIMULATION
Abstract: A new absorption chiller assisted by a vacuum device has been simulated and characterized through a simulation process. Simulation has been developed for a range of 0.75-10 bars for the evaporation process with a constant ratio between the condensation and evaporation pressure of 10. Simulation has predicted a great improvement of the COP of the absorption chiller when operating at evaporation pressures under atmospheric level, with values of 6.844 for …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 8, Issue 3, 2021 · pp. 1–11 Read article
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Solutions to Problems Faced in Well Log Analysis in fractured metamorphic Reservoir Systems Due To Multiple Porosities and Lithology’s
Abstract: Metamorphic rocks are the most bottomless non-terrigenous sedimentary rock and are made essentially out of transformative minerals. Most metamorphic rocks shape from calcareous stores that collect in marine conditions running from salt marshes to reefs to profound sea bowls. Unmistakable and one of a kind parts of transformative rocks are their dominatingly intrabasinal starting point, their essential reliance on natural exercises for their constituents and their powerlessness to change by …
Published in Journal of Petroleum Engineering & Technology · Vol. 9, Issue 1, 2019 · pp. 36–42 Read article
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Dependency of pure liquid pool boiling heat transfer coefficient to bubble contact angle on roughened Brass heater in new model
Abstract: Heat transfer coefficient of nucleate pool boiling Nucleation is a basic part of phase transformations, which plays an important role in understanding and describing any phase change processes. For a boiling process, nucleation appears in the initial stage, and directly affects bubble formation and boiling intensity. According to the heterophase fluctuations which induce phase transition, the phase change has two main types. Classically, phase change caused by the fluctuation with …
Published in Emerging Trends in Chemical Engineering · Vol. 9, Issue 2, 2022 · pp. 29–36 Read article
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Textual Clues to Stress: A Machine Learning Approach
Abstract: Nowadays, numerous individuals utilize social media platforms to share tweets about their daily lives, which often reflect their mental well-being. Recognizing and managing stress is essential before it becomes a serious issue. Each day, a significant volume of informal messages is posted on discussion forums, blogs, and social networking sites. This study introduces a method for detecting stress using information gathered from social media, with a focus on Twitter. The …
Published in Journal of Computer Technology & Applications · Vol. 16, Issue 1, 2025 · pp. 72–76 Read article
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Review on Increasing the Kappa Reduction in Oxygen Delignification Stage at Pulp Mills
Abstract: The use of oxygen delignification in bleached kraft pulp mills to reduce the lignin content of pulp prior to final bleaching is increasing worldwide. However, oxygen treatments are normally limited to less than 50% lignin removal to avoid excessive loss of pulp strength potential. More selective oxygen delignification processes are required which can extend lignin removal beyond 50% while maintaining final pulp quality. Work reported here has shown that pulp …
Published in Journal of Catalyst & Catalysis · Vol. 6, Issue 3, 2019 · pp. 36–42 Read article
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Comparative Review on Image Fusion Techniques
Abstract: The goal of image fusion is to combine relevant information from two or more images of the same scene of the different times. The result of image fusion is a new fused image which is more suitable for human being and machine discernment for further image-processing tasks like segmentation, feature taking out and object recognition. Image fusion is the combination of two or more different images to form a new …
Published in Journal of Multimedia Technology & Recent Advancements · Vol. 1, Issue 3, 2014 · pp. 10–13 Read article
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Measurement of Heart Rate Variability using FFT
Abstract: Nowadays, heart rate variability (HRV) is an important tool for the analysis of the activities of nervous system in medical Science. Electrocardiogram (ECG) is graphical representation of electrical activity of human heart. The various peaks of ECG can be utilized to detect and analyse mental stress of the brain. It varies with other parameters of healthy/abnormal human. This paper presents the evaluation of heart rate variability using fast Fourier transform …
Published in Recent Trends in Sensor Research & Technology · Vol. 3, Issue 3, 2016 · pp. 10–20 Read article
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Characteristics and Comparison of Continuous Casting Machine (CCM) and Reheat Furnace (RHF) Rolled Reinforcement Bar
Abstract: Modern rolling process introduces manufacturing of reinforcement bar in combination of continuouscasting and straight rolling to avoid time and cost losses and produce fine quality reinforcement bar.Using the core heat or heat inside the raw material (generally known as billet), the rolling process iscarried out. This modernized rolling process overcomes reheating losses and cost of transportationand of course cost of reheating which were faced in previous manufacturing processes. During therolling, …
Published in Trends in Mechanical Engineering & Technology · Vol. 11, Issue 1, 2021 · pp. 17–27 Read article
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Continuous-Time Modelling of the Two-Input Fourth Order DC_DC Converter
Abstract: Two-input fourth-order integrated (TIFOI) converter is designed to process the power from two different sources Vg1 and Vg2. This converter facilitates regulation of dc-bus voltage and LVS current. In the power conversion process it performs bucking operation for first dc source Vg1, buck-boost operation for the second source Vg2. Power stage dynamics of the TIFOI converters is modeled using the state-space analysis. The system modelling plays an important role in …
Published in Journal of Control & Instrumentation · pp. 1–11 Read article
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Continuous-Time Modelling of the Two-Input Fourth Order DC_DC Converter
Abstract: Two-input fourth-order integrated (TIFOI) converter is designed to process the power from two different sources Vg1 and Vg2. This converter facilitates regulation of dc-bus voltage and LVS current. In the power conversion process it performs bucking operation for first dc source Vg1, buck-boost operation for the second source Vg2. Power stage dynamics of the TIFOI converters is modeled using the state-space analysis. The system modelling plays an important role in …
Published in Journal of Control & Instrumentation · Vol. 12, Issue 3, 2021 · pp. 1–11 Read article
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Hidden Buck Chopper Circuits Topology in a Switch Controlled Singe Phase Rectifier, Size and Cost Analysis
Abstract: This paper shows hidden buck chopper circuits topology in a single phase switch controlled full wave rectifier. Justification of this realization yields the opportunity to use the single circuit structure for both AC to DC and DC to DC conversion processes. Generally, two diodes out of four diodes are replaced by two switches to offer voltage gain and input power factor regulation in a single phase full wave rectifier. Such …
Published in Journal of Power Electronics and Power Systems · Vol. 5, Issue 2, 2015 · pp. 17–28 Read article
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Optimal Cell Sizing of CMOS Two-Stage Operational Amplifier using Cuckoo Search Algorithm
Abstract: Abstract: Operational amplifier (op-amp) is commonly used in different analog circuits such as amplifiers, oscillators, comparators, digital to analog converters, analog to digital converters, mixers etc. Manual cell sizing of a CMOS based op-amp circuit for VLSI application is a challenging, boring, and time-consuming work for engineers. So that, the automatic cell sizing of an op-amp is an eminent topic of growing technical and cost-effective significance. An evolutionary algorithm (EA) …
Published in Journal of Artificial Intelligence Research & Advances · Vol. 6, Issue 2, 2019 · pp. 109–118 Read article
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Diffusion-Based Enhancement of Low-SNR Time- Frequency Signals
Abstract: Traditional enhancing techniques are useless in low signal-to-noise ratio (LSNR) situations because noise drastically interferes with communication signals. Based on an enhanced DiffBIR model, this paper suggests a dual-stage signal improvement approach that combines diffusion with deep learning. By combining the Inception module for multi-scale feature extraction with the Pixel Fusion Attention (PFA) module for significant region highlighting, the model improves signal recovery in the time- frequency domain. Experiments show …
Published in Current Trends in Signal Processing · Vol. 16, Issue 2, 2026 · pp. 15–27 Read article