Journal of Innovative Research In Engineering Technology and Management Science

In this study, the most recent advances in AI technologies applied to active power filters are discussed. The rising interest in (APF) is a result of recent advances in power electronic technology. The active power filter is considered by experts to be more effective at getting rid of harmonic currents from nonlinear devices than is the regular reactive LC filter. APF improves the reliability and steadiness of a power grid, in addition to correcting power quality. A review of the main topics in artificial intelligence (AI) is done by exploring various books, articles and studies, with a short explanation of some main domains of AI.

Keywords : PWM, Artificial intelligence, Non-linear load, Harmonic distortion, Active power filter01-03

Author : Nivedita Thomas

Title : Advanced Harmonic Suppression Methods Using Active Power Filters

Volume/Issue : 2025;01(03)

Page No : 01-03

Before, using variable speed motors meant using conventional ones despite their weak qualities. These limitations were handled by the use of brushless DC motor drives. At present, brushless DC motors are popular in a range of areas such as industrial, home, aerospace, defiance, medical and traction, thanks to their good efficiency, great torque-to-size ratio, compact size, reliable performance, easy-to-control system and little maintenance. Since these motors use an electronic commutator that runs on a three-phase voltage inverter, low-quality power, noticeable torque ripple and changes in speed are all issues. In this research, we focus on the closed-loop operation of a CUK converter two-leg inverter-fed BLDCM drive. A MATLAB/Simulink model was prepared and used to test the control approach for the two leg inverter, CUK converter-fed BLDCM drive with split DC supply. The approach including power factor adjustment ensures the drive system is more efficient all along the speed control range and also leads to reduced torque ripple and improved speed control.

Keywords : Torque ripple, Power quality, CUK converter, PFC, Brushless DC motor, EVs.

Author : K Sainadh and K Krishna

Title : Implementation of Power Factor for CUK DC-DC Converter

Volume/Issue : 2025;01(03)

Page No : 04-07

The assessment and detection of where a gas turbine system is inefficient are done by performing a thorough thermodynamic model and exergy analysis. With the support of the first and second laws of thermodynamics, the model is able to estimate energy and exergy through the compressor, combustor and turbine. This study points out that the main location of exergy loss is the area of combustion due to big temperature drops and unavoidable irreversibility. It is important to use exergy and thermal efficiency as major measures for evaluating performance. Research outcomes support maintaining and improving the productivity of gas turbine systems by suggesting better new ways of doing things.

Keywords : Ambient temperature, Combined cycle power plant Compression ratio Efficiency Exergy TIT

Author : Vinod and M Rakesh

Title : Thermodynamic Modelling and Gas Turbine Exergy Analysis

Volume/Issue : 2025;01(03)

Page No : 08-12

Since mobile computing is blending well with cloud services, a new type of application called Mobile Cloud Applications (MCAs) has become available and it needs to be designed carefully to take care of scalability problems, security and platform variety. Unified Modeling Language (UML) is a standardized tool used to design a visual system architecture, behavior and interaction models, and thus an effective model when creating MCAs. The present paper investigates the question of how UML can be used during the development lifecycle of MCAs to promote communication between stakeholders, provide systematic design as well as help identify design flaws before they are instantiated in the system. Developers can use the UML diagrams, including use case, class, sequence, and deployment diagrams, in order to model both mobile front-end and the cloud-based back-ended components, which makes the applications more robust, maintainable and interoperable.

Keywords : Cloud computing, Mobile applications, Android mobile platform, Software modelling, Unified modeling language

Author : Srikanth Reddy

Title : UML to Develop Mobile Cloud Applications

Volume/Issue : 2025;01(03)

Page No : 13-17

As critical applications in such areas as health care and security are increasingly using wireless sensor networks (WSNs), the need to control access to the networks securely is becoming increasingly important. Since there exists a risk of the device being penetrated, or the password stolen, more often than not, such traditional single-factor authentication methods are no longer adequate. The two-factor authentication (2FA) approach that this piece of work proposes is a technique that integrates knowledge by a user (a password or PIN) and something possessed by the user (smart device or token). It is identified that the proposed protocol has lightweight functionality which is suitable in resource-constrained scenarios and also ensures establishment of a secure communication between users and sensor nodes. These consist of session key agreement, mutual authentication, and security against common attacks, such as, impersonation, replay and man-in-the-middle. The simulation results demonstrate that the protocol can be applied to enhance authentication in modern WSN applications as it secures provision of and efficiency in the process increased.

Keywords : Wireless sensor networks, Cryptanalysis, Vulnerability analysis

Author : Hima Bindu and Mounica Reddy

Title : Protocol for Two-factor Authentication in Wireless Sensor Networks

Volume/Issue : 2025;01(03)

Page No : 18-19

This paper analyses the reliability of a concatenated Space-Time Block Coding Orthogonal Frequency Division Multiplexing (STBC-OFDM) system implemented with Maximum Ratio Combining (MRC) receivers and Low-Density Parity-Check (LDPC) coded. The proposed system integrates spectrum efficiency of OFDM, spatial diversity of STBC and error-correcting properties of LDPC codes in order to enhance reliability of communication in fading channels. MRC receivers allow optimum combining of received signals on many antennas and thereby maximise signal-to-noise ratio. Compared with the traditional non-concatenated systems (and MRC systems), simulation results indicate significant improvements in bit error rate (BER) performance in a variety of channels. As per the research, the combined effects of LDPC coding, STBC, OFDM and MRC help in the successful reduction of multipath fading and noise effects and this makes the system best fit in high data rate wireless communications applications.

Keywords : STBC, LDPC, AWGN, MRC, OFDM

Author : Nivedita and Niharika

Title : Concatenated LDPC-based STBC-OFDM System with MRC Receivers Performances

Volume/Issue : 2025;01(03)

Page No : 20-24