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1984 articles for “system” (ranking capped at the first 2,000 matches — narrow the search to see the rest)
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Review of Net Metering Rooftop Solar PV Grid interactive System
Abstract: As we know that the use of solar energy is increasing day by day in India and other parts of world. Net metering is a billing mechanism that uses solar energy system and adds excess electricity to the grid. Net metering allows residential and commercial customers who generate their own electricity from solar power to sell the electricity they are not using back into the grid. In India many states(Haryana, …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 13, Issue 1, 2022 · pp. 15–20 Read article
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In Situ Synthesized Cu(OH)2-Al2O3: A Novel and Highly Efficient Nano-Catalyst System for One pot Synthesis of N-Substituted Triazole at Room Temperature
Abstract: One pot room temperature synthesis of N- substituted Triazoles has been demonstrated using a novel catalyst system Cu(OH)2-Al2O3. The catalyst has been synthesized by a very simple one step chemical process. The catalyst is highly efficient and reusable with isolated yield as high as 87% even at the 4th reuse. The catalyst could also be used with water as a solvent with a little longer reaction time. Graphical Abstract: One …
Published in Journal of Catalyst & Catalysis · Vol. 1, Issue 1, 2014 · pp. 8–14 Read article
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Key Performance Indicators for Personnel Performance Appraisal System in Construction Industry
Abstract: Personnel Performance Appraisal (PPA) is a systematic process to evaluate and measure the performance of employees and to assist them to improve their job performance and contribute to overall organizational performance. Project success is measured from individual performance to organizational performance. To achieve organizational goals, which in turn influences an individual performance; it is necessary to identify key performance indicators. This paper explores identification and assessment of key performance indicators …
Published in Journal of Construction Engineering, Technology & Management · Vol. 6, Issue 1, 2016 · pp. 39–44 Read article
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Causes of Inefficient Site Cost Management Systems in Arabian Gulf Construction Companies
Abstract: The cost of construction projects has a long history of exceeding the planned cost. At the project level, this is termed as “Project Cost over Run”. This research reviews the main causes of the inefficiency in the existed cost management systems applied by the Arabian Gulf Contracting Companies at the construction stage. The requirements of having an efficient cost management system (recording, monitoring and controlling functions) have been collected from …
Published in Journal of Construction Engineering, Technology & Management · Vol. 4, Issue 3, 2014 · pp. 31–45 Read article
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Optimal Selection of Solar Tracking System in India: A Review
Abstract: At present, continuous efforts are being made to maximize the utilization of the solar energy and increase conversion efficiency of the PV array. Maximum Power Point Tracking (MPPT) is a technique that is extensively used to track the sun so as to obtain maximum power. We review the various methodologies and techniques that have been used so far to design both single and dual axis solar trackers using MPPT. Keeping …
Published in Journal of Control & Instrumentation · Vol. 8, Issue 3, 2017 · pp. 17–29 Read article
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Temperature Control Techniques for Heat Exchanger System: A Review
Abstract: Heat transfer from one process fluid to another is necessary application of the process control. Heat exchangers are most widely used in industrial application to transfer of heat. Different types and configuration according to its flow, temperature and pressure, etc. are used for different application. Oil and gas, food industries, HAVAC system, power generation heat exchanger are widely used. Control objective is to keep outlet temperature of heat exchanger at …
Published in Journal of Control & Instrumentation · Vol. 8, Issue 1, 2017 · pp. 1–11 Read article
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A Review: Electrical Impedance Tomography System and Its Application
Abstract: Nowadays, the objective of medical research is to improve the diagnostic tools and instruments such as to develop new assessment methods, non-invasive and long-term monitoring method. Currently, the non-invasive technique is used for during pregnancy and labor due to its standard clinical approach. Such as ultrasound and MCG, CTG is also used during pregnancy because of its sensitivity to the mother and fetal movement but it is not used during …
Published in Journal of Control & Instrumentation · Vol. 7, Issue 2, 2016 · pp. 14–22 Read article
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Virtual Instrumentation System for 3D Tilt Estimation of Moving Object using MEMS Multi-Sensor Fusion
Abstract: This paper considers the problem of 3D tilt estimation of moving object and development of virtual instrumentation (VI) based system prototype with motion-user interface using six degree of freedom data from MEMS accelerometer and gyroscope. To overcome the inherent limitations of both the sensors and minimize accelerometer noise error and gyroscope drift error, the sensor signals are fused using established Kalman filter and newer, simple and equally efficient complementary filter. …
Published in Journal of Control & Instrumentation · Vol. 7, Issue 3, 2016 · pp. 1–20 Read article
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Implementation of Closed Loop Control of Flow in Air Blower System Using PLC and SCADA
Abstract: The intention of this paper is to design and implement the closed loop control of air flow rate in the air blower system. Desired value of flow rate is provide from the SCADA (Supervisory Control and Data Acquisition) and actual value of flow rate is measured through the flow sensor. Based on the difference between actual and desired value of flow rate, PLC (Programmable Logic Controller) increases or decreases the …
Published in Journal of Control & Instrumentation · Vol. 7, Issue 3, 2016 · pp. 39–43 Read article
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Real-Time Temperature Control System and Performance Exemplification with Conventional PID
Abstract: In process control industries, automatic controllers are introduced. PID (Proportional-Integral-Derivative) controllers are the work horses of many industrial controller applications. Significant research work has been carried out to improve the performance of closed loop response with a PID controller so that it can be used for real time temperature control system. Also performance of a PID controller is investigated for different performance metrics such as Integral Square Error (ISE), Integral …
Published in Journal of Control & Instrumentation · Vol. 6, Issue 1, 2015 · pp. 31–36 Read article
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Level Control of Tank System: Comparative Approach
Abstract: Level measurement and control and monitoring are important for many products and processes in a diverse range of industries including manufacturing, storage and service industries. In this paper liquid level in the cylindrical tank is to be controlled at desired value. The composite controllers of proportional integral controller and proportional integral derivative controller was designed using Ziegler Nichols tuning for the cylinderical tank system. The fuzzy logic controller was implemented …
Published in Journal of Control & Instrumentation · Vol. 6, Issue 2, 2015 · pp. 9–12 Read article
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Automation of Heat Exchanger System using DCS
Abstract: Heat exchangers are built for efficient transferring heat from one fluid to another. They have an extensive demand in areas such as petroleum, refineries, chemical plants, petrochemical plants, natural gas processing, refrigeration, power plants, air conditioning, space heating and process industry. Automation of Heat exchange can be done optimally using PID Block. Using PID function block the outlet fluid temperature can be maintained as desired. The automation of Shell and …
Published in Journal of Control & Instrumentation · Vol. 5, Issue 1, 2014 · pp. 22–28 Read article
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Anti-synchronization of Vallis System using Sliding Mode Control
Abstract: This paper is concerned with anti-synchronization of Vallis system (talks about fluctuations of temperature in western and eastern parts of near-equatorial area of the ocean). Sliding mode control is proposed to achieve the proposed anti-synchronization. A proportional integral switching surface is devised with appropriate control law and reduction of chattering is considered as well. Simulation results are given for verification and effectiveness of the proposed scheme. Simulation results reveal that …
Published in Journal of Control & Instrumentation · Vol. 5, Issue 3, 2014 · pp. 22–27 Read article
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Microcontroller-based Temperature Controlling and Monitoring System with Graphical user Interface
Abstract: Temperature is one of the most important process variables in the process control. Process control is an efficient expression of improving the operation of a process, the productivity of a plant, increase flexibility and the quality of products. The accurate measurement of temperature is not an easy task. The aim of this work is to develop a low-cost and flexible temperature controller for controlling and monitoring the temperature. The purpose …
Published in Journal of Control & Instrumentation · Vol. 4, Issue 3, 2013 · pp. 7–16 Read article
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Face Recognition Attendance System: A Review
Abstract: The distinctiveness or individuality of an individual face is the representation of one’s identity. In this mission, face of a character is used for the reason of attendance making robotically. Attendance of the pupil could be very essential for each college and university. The conventional technique for taking attendance is through calling the name or roll variety of the scholar and the attendance is recorded. Time intake for this cause …
Published in Journal of Control & Instrumentation · Vol. 11, Issue 2, 2020 · pp. 17–22 Read article
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DISEASE PREDICTION SYSTEM USING MACHINE LEARNING
Abstract: Machine learning (ML) is a rising field. It already plays an important role in many fields, with projects of all sizes showing its positive impact. One such use of machine learning algorithms is in the healthcare field. Medical facilities need to be improved in order to make better decisions about patient diagnosis and treatment options. In this paper, we attempt to use the performance of Machine learning equipment in health …
Published in Journal of Control & Instrumentation · Vol. 12, Issue 2, 2021 · pp. 14–18 Read article
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Simulation of Robust Control System for Hydroelectric Power Plant
Abstract: In this study, the modelling of a typical hydroelectric power plant with a high-water head and a long penstock is developed and implemented in MATLAB/Simulink. The proposed simulation system's models are created in a sophisticated way to allow for easy reuse. To compute and simulate hydraulic transients, the nonlinear properties of the hydraulic turbine, such as the elasticity of the penstock and the water hammer effect, were taken into account. …
Published in Journal of Control & Instrumentation · Vol. 13, Issue 3, 2022 · pp. 37–50 Read article
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On the Optimisation of fundamental frequency to determine the Optimal Design of Bracing System for A Three Storey One Bay Two Dimensional Planar Structure
Abstract: Bracing systems are useful to improve the resistance of multi-storey buildings subjected to wind forces acting in lateral direction on the structure. The main focus of this paper is to find the optimal design of the bracing for a three storey one bay two dimensional planar structure. The eigen frequency of the structure is maximized to determine the relative density using a stress based criteria of each element for every …
Published in Journal of Experimental & Applied Mechanics · Vol. 9, Issue 3, 2018 · pp. 55–59 Read article
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Fuzzy Inference System for Performance Analysis of Aspiring Research Students
Abstract: AbstractResearch play a very important role in the growth of any university. Number of research performs in an institute affects the rating of an institute. In this paper, we have discussed a new evaluation method is described to measures the performance of analysis of aspiring research students based on Fuzzy Inference systems and results are compared with the classical method. Through using Fuzzy logic approaches, we evaluate the research students’ …
Published in Journal of Electronic Design Technology · Vol. 8, Issue 3, 2017 · pp. 12–16 Read article
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Design and Development of a Multifunction FPGA-based Data Acquisition System using Nonlinear Duty-cycle Modulation Technique
Abstract: AbstractA new generation of DAQ based on duty-cycle modulation technique is presented. It describes the design and prototyping of a FPGA-based data acquisition and signal generation board using the duty-cycle modulation technique and with computer-based software interface. The system is built around the DE0-Nano development board that embeds an Altera cyclone IV FPGA in which a NIOS II processor running at 100 MHz has been instantiated. The conversion technique from …
Published in Journal of Electronic Design Technology · Vol. 10, Issue 3, 2019 · pp. 8–26 Read article