Volume 11 | Issue 1 | January-2023

 Abstract

this paper proposes a new three-phase modular multi-level inverter (MMLI). The proposed inverter consists of repeated modular primary cells that are connected in series configuration. Therefore, the proposed topology can be extended to get more output voltage levels by adding additional cells without increasing voltage stresses across power switches. Both sinusoidal pulse width modulation (SPWM) and staircase mod- ulation are successfully applied to the proposed inverter. The proposed inverter features many advantages such as reduced number of semiconductor power switches, driver circuits, dc- voltage sources, simplified control algorithm, and reduced volt- age stresses across the switches independent of output voltage level. Furthermore, the performance of the proposed inverter is studied under both open-loop and closed- loop operations for highly inductive load. Beside the obtained simulation results, a laboratory prototype has been carried out and tested to verify the control techniques and performances of the topology. Simulation and experimental results are compared together to highlight the similarity and consistence of them.

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Modular multi-level inverter, reduced dc- voltage sources count, sinusoidal pulse-width modulation

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National Education Policy (NEP) 2020 has finally opened the door for the world of 21st-century education. The policy builds from the foundational principles of access, equity, quality, affordability, accountability and an inclusive education system. One of the most remarkable aspects of NEP 2020 is that it acknowledges how teachers are supposed to play various roles in the classroom. Educators are now seen as mentors and facilitators. The policy stresses teacher training focused on the needs of the socio-economically disadvantaged groups. Technology is highlighted as a vehicle to integrate into teacher education and classroom practice to improve learning outcomes. Teachers are the backbone of the education system. The implementation of NEP 2020 is an ambitious agenda, so it has many challenges. Some key recommendations are outlined below.

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NEP 2020, Teacher Education, Education Policy, Challenges

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STAGES OF HISTORICAL RESEARCH

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STAGES OF HISTORICAL RESEARCH

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saibar apradh se suraksha avm nyayika smadhan

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saibar apradh se suraksha avm nyayika smadhan

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Samskritavangmaye Ashwamethayagasya Vaisishtyam

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Samskritavangmaye Ashwamethayagasya Vaisishtyam

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The aim of research is to determine the effect of plyometric exercises with skill practices on speed of volleyball players of high school boys. Twenty Seven subjects were randomly assigned to three equal groups of 9 subjects and they were high school Volleyball Players who were studying in schools at Vijayapur District, Karnataka, India. Three groups were assigned into Experimental Group-I (PE) acted as Plyometric Training group practicing plyometric exercises; Experimental Group-II (PESP) acted as Plyometric Training Group practicing plyometric exercises with specific skills and Group-III (CG) acted as control group. The Pre test scores on Speed as physical fitness component was conducted for all the subjects by administering 50 Meters Run Test (in seconds). Experimental groups practiced plyometric training for the period of 12 weeks. The post test mean scores of Speed was collected after the said treatments. ANOVA and ANCOVA Analysis were used to determine the significant mean scores for Speed variable. By using LSD post hoc test where the obtained F value was found significant. The level of significance was fixed at 0.05 level. The SPSS Package along with MS Excel applications were utilized to get the results for the present investigation. The findings emphasize the value of comprehensive training programs that target multiple dimensions of athletic performance in Volleyball game. Plyometric exercises, when integrated into training, can significantly enhance the speed of volleyball players of high school boys, ultimately boosting their overall effectiveness on the court. These insights are valuable for coaches and trainers aiming to optimize the performance of their athletes.

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Plyometric exercises, speed, volleyball, high school boys, players

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Abstract This research paper explores the optimization of refurbishment material handling within the SAP Project System (SAP PS) module. The study aims to compare different strategies and techniques for managing materials during refurbishment projects to enhance efficiency, reduce costs, and improve project outcomes. By analyzing existing literature and case studies, we identify key challenges faced in material handling and propose solutions that leverage SAP PS capabilities. The paper examines various optimization methods, such as automated inventory management, real-time tracking, and integration with other SAP modules like Materials Management (MM) and Plant Maintenance (PM). A comparative analysis is conducted across multiple industries to assess the effectiveness of these strategies in diverse operational contexts. The findings highlight the potential benefits of implementing optimized material handling processes, including reduced downtime, improved resource allocation, and enhanced project control. This research contributes to the understanding of how SAP PS can be utilized to streamline refurbishment projects, offering practical insights for organizations seeking to maximize their material handling efficiency.

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Keywords: SAP Project System, refurbishment material handling, optimization, inventory management, real-time tracking

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Abstract In the realm of cloud computing, ensuring fault tolerance is paramount to maintaining the integrity and availability of data amidst hardware or software failures. As organizations increasingly migrate to cloud-based infrastructures, the reliance on robust fault tolerance mechanisms becomes indispensable. This paper delves into the multifaceted strategies employed to safeguard data within cloud environments, emphasizing methods to preserve data integrity and ensure seamless availability despite potential disruptions. Fault tolerance in cloud computing encompasses a range of techniques designed to mitigate the impact of failures on system performance and data reliability. This technique indicate that even if a particular node fail, copies of the data remain accessible from other locations, thus maintaining data availability and integrity. Additionally, distributed systems often employ techniques such as data sharding and partitioning to further enhance fault tolerance, enabling systems to manage large volumes of data efficiently and recover gracefully from localized failures. Another critical aspect of fault tolerance is error detection and correction. Advanced error detection algorithms and protocols are implemented to identify inconsistencies and anomalies in data as soon as they arise. These algorithms facilitate the automatic correction of errors, thereby preserving data accuracy and preventing corruption. Furthermore, cloud platforms leverage sophisticated monitoring and alerting systems to detect failures in real-time and initiate automatic failover procedures, which re-route traffic and operations to healthy components. The paper also explores various fault tolerance models, including active and passive replication strategies. Active replication involves processing requests simultaneously across multiple replicas, while passive replication ensures that only one replica handles requests at any given time, with others standing by to take over in case of failure. Each model offers distinct advantages and trade-offs in terms of performance and resource utilization.

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Keywords Fault Tolerance, Cloud Computing, Data Integrity, Data Availability, Redundancy, Replication, Distributed Systems, Data Sharding, Error Detection, Error Correction, Monitoring Systems, Failover Procedures, Active Replication, Passive Replication, Cloud Architecture

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At prior stage water management is not considered to be vital point of planning and supervision as well, as the time passes all the possible chances of water entry in the structured is observed. As a result it seems very worst stage of existing building. Here entry of water may be from underground source, due to wrong workmanship or entryofwaterfromsurfacesource.Finalresultwillbeintheformofstructurallyweakbuilding.Forunderground water entry there are number of chances of corrosion of steel in footing portion.

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sustainablewatermanagementinbuildings,anaffordableapproach

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The sciatic nerve is the largest nerve in the human body arises at the lumbosacral plexus in the lower back, from the ventral rami of the L4, L5, S1, S2, S3 spinal nerves and travels posteriorly through the lower limb to reach the foot. Sciatic nerve performs both sensory and motor functions. Sciatica refers to pain that travels along the path of the sciatic nerve. The sciatic nerve may be irritated, compressed, or inflamed by several problems in the lower back, causing sciatica. Homeopathy medicines are effective way to treat sciatica pain. It not only rectifies the compression or irritation on the sciatic nerve but also helps in strengthening a patient's constitution so that the disease is cured of its roots and there are no further recurrences.

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Sciatic nerve, Sciatica, Tibial nerve, Common peroneal nerve, Deep Peroneal Nerve, Superficial Peroneal Nerve, Anatomy

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