http://ir.lib.ruh.ac.lk/handle/iruor/2601 Sun, 05 Apr 2026 01:31:13 GMT 2026-04-05T01:31:13Z http://ir.lib.ruh.ac.lk/handle/iruor/3512 Impact of Predatory Journals on Sustaining of Publishing Quality Kuruppu Arachchi, T. Predatory/deceptive journals are exploiting the scholarly publication models and indexing systems, and have been reported to be affecting the publication quality in scholarly information dissemination. Hence, the importance of being alert about the existence of deceptive literature/predatory journals, and the approaches to avoiding them is widely discussed in the recent literature. The objective of this article is to review the recent scholarly literature on sustaining the publication quality in the context of academic information dissemination. Literature over the last five years (January 2016- November 2020) were searched through seven databases to locate research on quality issues due to predatory journals. They were individually assessed for relevance and quality; 15 most relevant papers were selected for this review. This review identified the issues linked with the creation of blacklists/whitelists, the peer review process, citation patterns, indexing them in citation databases, and related experience of authors as well as of authorities, that provide fundamental approaches for avoiding questionable/predatory journals. Discussions on blacklists/whitelists concern about their binary classification and highlight the need for unbiased quality criteria for inclusion. The importance of transparency in the peer-review process has been highlighted as an approach to sustain true quality. Concerns on citation patterns have brought out the evaluation criterion denoting the unethical publishing practices, in selecting quality sources to be referenced in ongoing research. The Predatory publications are inadvertently indexed in well-known and high-quality databases posing further weight on the “Think. Check. Submit” strategy. Furthermore, the review revealed that the problem of fake/predatory publishing is not limited to vulnerable researchers. Hence, these insights into quality publishing will contribute to the authors’ decision making, as well as authorities’ concerns in promoting ethical scholarly publishing practices. Wed, 03 Mar 2021 00:00:00 GMT http://ir.lib.ruh.ac.lk/handle/iruor/3512 2021-03-03T00:00:00Z http://ir.lib.ruh.ac.lk/handle/iruor/3510 පාසැල් හැර ගිය තරුණ තරුණියන්ගේ ජීවන ඉලක්ක හා වැඩ ආකල්ප හැඩ ගස්වා ගැනීම සඳහා විධිමත් වත්තීය මාර්ගෝපදේශ උපදේශයේ අවශ්‍යතාව පිළිබඳ අධ්‍යයනය - මාතර දිස්ත්‍රික්කය ඇසුරින් Vidhanagamage, S.; Dilhani, D. වර්තමාන වැඩ ලෝකයේ පවතින රැකියා අවස්ථා සමග රැකියා අපේක්ෂිත තරුණ ප්‍රජාවගේ හැකියාවන්, ලැදියාවන් සුදුසුකම් අත පවතින ලනාගැලපීම ලහ්තුලකාට ලගන උේගත වන රැකියා වියුක්තිය සමා ය තුල ලබාලහෝ කාලයක පටන් පවතින අර්බුධයකි. ත ඟකාරී වැඩ ලලෝකයට ගැලලපන ආකා යට තරුණ ප්‍ර ාව ශක්තිමත් කිරීම සමාජීය වගකීමකි. තරුණ ප්‍ර ාව තම හැකියාවන්, ලැදියාවන් හා ලපෞරුෂ ගතිලක්ෂණ හදුනා ගනිමින් සය අනාගත ගමන් මග සැලුම් කිරීම, සිංකීර්ණ වැඩලලෝකය තුල තනිවම කල හැක්කක් ලනාලව්. එහි දී දක්ෂ, ුදුුකම් ලත් වෘත්ීය උපලේශකවරුන්ලේ සහාය අතයවශය ලව්. එලස් ලනාවන කල ත ගකාරීව බිහි වන වෘත්ීය පුහුණු කඩවලට හු වී ඔවුන් කාලය, ධනය වැය ක මින් වැඩ ලලෝකය තුල අත මිං ලව්. ඒ තුල අලේක්ෂා භිංගත්වලයන් පිරි අසහණකාරී තරුණ පිරිසක් සමා ය තුළ බිහි ලව්. එය ටකට හිතක තත්වයක් ලනාලව්. ලමකී තත්ත්වය තවදු ටත් අධයනය ක නු වස්මාත දිස්ීක්කලේ පාසැේ හැ යන තරුණ තරුණියන්ලේ ජීවන ඉලක්ක හා වැඩ අකේප හදුණා ගනිමින් ඔවුන්ට විධිමත් මාර්ලගෝපලේශණ ලස්වාවක අවශයතාව ලපන්වා දීම සහ ඒ ලවනුලවන් ගත හැකි ක්‍රියාමාර්ග ලයෝ නා කිරීම ලමම අධයයනලේ අ මුණයි.. Wed, 03 Mar 2021 00:00:00 GMT http://ir.lib.ruh.ac.lk/handle/iruor/3510 2021-03-03T00:00:00Z http://ir.lib.ruh.ac.lk/handle/iruor/3509 Identify the Supra Harmonics in Low Voltage Distribution System Due to Photovoltaic Inverters Ganege, H.C. A significant amount of voltage and current distortion were detected in the power distribution system due to the problem of power system harmonics; it is the impact of the poor power quality. Over the past few decades, different types of power electronic devices are introduced to the power distribution system and electricity grid has undergone dramatic changes due to them. High frequency switching power electronic device usage is becoming more popular for residential and commercial loads. Underlying all those power electronic equipment are popular with high energy efficiency, controllability, ecologically friendly, durable quality, cost-efficient, low maintenance, lesser weight, and smaller size. These techniques are supported to reduce harmonic contents generated by loads, using active power factor correction (PFC) circuits. The smart grid concept is very often used in the world; it intends to increase energy efficiency, reduce the energy cost, and simultaneously to achieve a sustainable balance between production and consumption, increasing the reliability of the power grid and the power quality of the electrical energy delivered to the loads. The electrical power grid has to be developed to support reference technologies, as integrated communications, power electronic devices, Energy Storage Systems and Advance metering infrastructure with more environmentally friendly and energy efficient systems. The devices introduce additional distortion for high frequencies, which is above 2 kHz due to their internal switching frequency. Between 2 kHz to 150 kHz, frequency range harmonics are named as High frequency harmonics (HF) or supra-harmonics. This research is focused to identify the supra-harmonic emission in the low voltage distribution system due to photovoltaic inverters. For that, MATLAB/Simulink software is used to model and simulate single-phase, three-phase inverters Wed, 03 Mar 2021 00:00:00 GMT http://ir.lib.ruh.ac.lk/handle/iruor/3509 2021-03-03T00:00:00Z http://ir.lib.ruh.ac.lk/handle/iruor/3508 Conceptual Model to Identify Pest and Disease of Brinjal in Home Gardens Laksiri, P.H.P.N.; Indika, W.A.; Madushika, M.K.S.; Wathugala, D.L. Home gardening has become an essential part of Sri Lankans after launching the “Saubhagya” program which aims to develop one million home gardens. But with the busy lifestyles of the people, it revealed that it is very difficult to manage their home gardens. Hence the gardens are not as effective and efficient as it should be, most of the gardens are left behind even before getting a single crop yield. Lack of context-specific, complete, and actionable information to make timely-correct decisions was identified as the major factor for that. Since mobile phones play an important role in modern lifestyles, the team “Govi-Nena” introduced a mobile App called Govi-Nena Home Gardening specially designed and developed for Sri Lankan home gardeners. After launching the game-changing mobile application we had several feedback sessions with the agricultural domain experts. More than 90% of the participants urged the requirement of having a customized pest and disease calendar for the home gardeners which will enhance the efficiency and effectiveness of home gardens by maximizing the yield. A case study was conducted in selected fields in the “Kirimatimulla” area in the “Matara” district by selecting the Brinjal to check the feasibility of addressing the above critical improvement. A novel model has been developed by syncing crop life cycle stages with pest and disease life cycles. The model will allow users to visually map the symptoms of pests and diseases with their home gardens which lead to the identification of pests and diseases accurately. When the user inputs are ambiguous, it will take additional user inputs as images and predict the pest and disease attacks using a convolutional neural network-based algorithm. The model is currently under construction while having continuous improvements by getting the feedbacks of the domain experts which shows promising results to the end users. Wed, 03 Mar 2021 00:00:00 GMT http://ir.lib.ruh.ac.lk/handle/iruor/3508 2021-03-03T00:00:00Z