Applied Research and Smart Technology (ARSTech)
Aims International Journal of Applied Research and Smart Technology (ARSTech) is a peer-reviewed, biannual journal that promotes the development and application of smart technologies in various sectors, such as mechanical & materials engineering, automotive & manufacturing process, energy conversion & renewable energy, robotics, mechatronic & artificial intelligent, chemical & biomedical engineering, marine & aerospace technologies, transportations, infrastructures and environment. Smart technologies offer practical and sustainable solutions in the modern life of humankind by employing the latest technological advancements. Scope The journal presents and disseminates new developments and the latest findings in all fields of engineering and technology, especially those that contribute to the implementation of smart technologies. The topics covered by the journal include but are not limited to: autonomous systems, mechatronics and robotics, control systems in automobiles and intelligent transport systems, smart structures, materials, and metallurgy nanotechnologies and advanced materials in engineering application, sustainable and green buildings, green technology and industry 4.0, IoT-based systems, sensor network, artificial intelligence and smart grids, biomedical engineering, bioenergy technologies, design and development of automotive technologies and manufacturing process, vehicle modelling and safety, modelling and simulation (CFD) in engineering application, vehicle design and aerodynamics, applied mechanics, structure and manufacturing technology, material processing and technology for vehicles and other mechanical use, coatings technologies in engineering application, engine technologies and development for vehicles and other engineering application, hybrid and electric vehicle technologies, vehicle braking and suspension systems, thermodynamics application in engineering application, combustion and reacting flows in automotive and other engineering application, applied heat and mass transfer, fluid and thermal engineering, heating and cooling systems (HVAC) in vehicles and engineering application, fuels and lubricants in automotive engineering, development of energy conversion and conservation, new-and-renewable energy, and alternative energy in engineering application, fuel cell and solar energy, the engine technology and emission control, automotive pollution and control, vehicle motion and control systems, noise and vibrations control, pneumatic and hydraulic systems, tribology in engineering application.
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<![CDATA[The effects of heat input and electrode type on the mechanical properties of welded A309 stainless steel using a shielded metal arc welding ]]>
<![CDATA[Anyanwu, Kingsley Onyekachi]]>;
<![CDATA[Nzei, Harrison Ogochukwu]]>;
<![CDATA[Onuoha, Chukwudike]]>;
<![CDATA[Ehirim, Victor Ikechukwu]]>
<![CDATA[ Applied Research and Smart Technology (ARSTech) Vol. 4 No. 1 (2023): Applied Research and Smart Technology ]]>
Publisher : <![CDATA[Universitas Muhammadiyah Surakarta ]]>
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DOI: 10.23917/arstech.v4i1.1149
<![CDATA[This study deals with an experimental study to evaluate the influence of heat and electrode type on the mechanical properties of welded A309 stainless steel using shielded metal arc welding (SMAW). Samples were prepared with a welding angle of 45 deg. Seventy-eight samples made of A309 stainless steel were used in the experiments, in which half of the pieces were welded using A309 electrodes and half with E7018 electrodes. The samples were subjected to a tensile test and Charpy test accordingly. Several parameters, such as welding current (I), heat input (H), the final length of the tensile specimen (Lf), elongation percentage (%E), yield strength (σy), and impact energy, were observed. The results show that the increase in current from 100 to 225 A causes the growth of heat input from 0.56 to 1.26 kJ/mm, impacting the decrease of the percentage elongation and yield strength, including the energy impact reduction. On the other hand, all mechanical properties tested have relatively low heat input at 0.56 kJ/mm and relatively high heat input at 0.7 kJ/mm.]]>
<![CDATA[Establishing the effectiveness of life cycle assessment to assess the environmental impact of passenger cars using biofuels: A Review ]]>
<![CDATA[Marchant, Denis]]>;
<![CDATA[Christensen, Jesper]]>;
<![CDATA[Davies, Huw]]>
<![CDATA[ Applied Research and Smart Technology (ARSTech) Vol. 4 No. 1 (2023): Applied Research and Smart Technology ]]>
Publisher : <![CDATA[Universitas Muhammadiyah Surakarta ]]>
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DOI: 10.23917/arstech.v4i1.1338
<![CDATA[Predictions and decisions made by legislators may be partially or wholly informed by the results of life cycle assessment studies, but the outcomes can vary significantly. This review seeks to establish whether existing life cycle assessment study results are accurate and if there are errors or deficiencies in life cycle inventory databases, chosen methodologies, or choice of life cycle assessment tool that may impact the outcome of life cycle assessment studies. The context of the work is set against the role bioethanol/gasoline blends might play in reducing the environmental impact of internal combustion engine-powered vehicles. The findings indicate inaccuracies exist and that there are various reasons for this. The accuracy of life cycle assessment results is affected by differences and inconsistencies that occur between life cycle inventory databases, the choice of life cycle inventory databases and life cycle assessment tools and because, in many cases, life cycle assessment methodology does not specify whether the biofuel content in the fuel is considered. The increase in the average age of biofuel-compatible passenger cars challenges the validity of results obtained by employing the commonly used approach based on fixed annual mileage profiles and lifetime activity. Uncertainty is a significant factor, and more attention should be paid to uncertainty analysis. Evidence shows the use of biofuels can deliver considerable environmental gains and reductions in CO2, especially in blends containing a higher percentage of biofuel.]]>
<![CDATA[Development of a variance model for the prediction of water absorption and thickness swelling for an experimental design pvc reinforced composite pipes ]]>
<![CDATA[Orhorhoro, Ejiroghene Kelly]]>;
<![CDATA[Tamuno, Rogers Ibunemisam]]>;
<![CDATA[Chukwuedo, Azuka Joses]]>
<![CDATA[ Applied Research and Smart Technology (ARSTech) Vol. 4 No. 1 (2023): Applied Research and Smart Technology ]]>
Publisher : <![CDATA[Universitas Muhammadiyah Surakarta ]]>
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DOI: 10.23917/arstech.v4i1.1435
<![CDATA[Water absorption is a significant constraint encountered when NFs reinforce polymer matrices. It is the primary cause of the breakdown of the fibre-matrix interface, resulting in swelling of the fibres, loss in the efficiency of load transfer between the matrix and the fibres, and ultimately a reduction in the strength and stiffness of the composites. This study investigated the development of a variance model for predicting water absorption and thickness swelling for an experimental design of Polyvinyl chloride (PVC) reinforced composite pipes. The quadratic model was used to model the influence of the process factors (independent variables) on the responses (i.e., water absorption and thickness swelling). Statistical analysis of the experimental data was carried out by fitting the chosen quadratic model to the data to estimate the unknown model parameters. The results revealed that the model was characterised by a high R2 value, indicating a perfect fit between the experimental observations and model predictions. The value of the variation coefficient was 3.320, which means the high precision and reliability of the model. The results of water absorption tests as a function of independent process factors showed that increasing the level of PVC in the composite material resulted in a decrease in the water absorption capacity of the material. This is desirable since an excellent composite pipe material should resist moisture intrusion.]]>
<![CDATA[Lighting system automation using a relay based on radio frequency identification tag input and kiosks’ information access with Telegram application in the modern market ]]>
<![CDATA[Ngalimin, Libratyan Jhon]]>;
<![CDATA[Christina, Erma Triawati]]>;
<![CDATA[Kristyawati, Desy]]>
<![CDATA[ Applied Research and Smart Technology (ARSTech) Vol. 4 No. 1 (2023): Applied Research and Smart Technology ]]>
Publisher : <![CDATA[Universitas Muhammadiyah Surakarta ]]>
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DOI: 10.23917/arstech.v4i1.1473
<![CDATA[Advancements in technology necessitate the swift and efficient management of systems, particularly concerning electricity consumption and information dissemination. To address this, a prototype was developed to automate lighting systems and display kiosk information in modern markets. Key components utilized include an RFID reader, GPS module, NodeMCU ESP8266, and relays, all of which played crucial roles in the functioning of the prototype. The primary objective was to create a device capable of automatically controlling the lighting system through relays, triggered by RFID inputs, while also relaying kiosk information via the Telegram application. For instance, when a registered RFID tag is tapped while the shop is open and the lamp is initially on, the lamp will be switched off, ensuring energy efficiency and timely response. The GPS module is employed to obtain location data, which, along with kiosk open/close status, can be conveniently accessed through the Telegram app. This integration of the GPS module enhances the prototype's functionality by providing valuable location-based information, making it easier for users to monitor and access the information remotely. Test results demonstrate that the RFID tag can be read from a maximum distance of 4.5 cm, with an average processing time of 2.47 seconds for lamp switching and 5.6 seconds for accessing information. These performance metrics validate the efficacy of the prototype methodology in achieving its intended goals of automation, energy efficiency, and seamless information dissemination in modern markets.]]>
<![CDATA[Investigation of optimum reclining angles for wheelchair recliners during dental treatment ]]>
<![CDATA[Azhar, Anisah Farzana]]>;
<![CDATA[Nordin, Nor Hidayati Diyana]]>;
<![CDATA[Mohd, Farah Natashah]]>;
<![CDATA[Azmi, Nur Liyana]]>
<![CDATA[ Applied Research and Smart Technology (ARSTech) Vol. 4 No. 1 (2023): Applied Research and Smart Technology ]]>
Publisher : <![CDATA[Universitas Muhammadiyah Surakarta ]]>
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DOI: 10.23917/arstech.v4i1.1832
<![CDATA[This paper discusses the development of a wheelchair recliner for dental treatment that can accommodate users of different body mass index (BMI) categories. The study aims to identify the ergonomic angle for a dental chair, design a wheelchair recliner with appropriate reclining angles, and analyse its performance using simulations and user testing with different BMI subjects. The simulation of the wheelchair recliner was performed using the Motion of Inspiration (MOI) 3D to analyse the withstanding load, including the wheelchair load and subject load (2000 N). The displacement and safety factor for the long pin of the recliner was also analysed. The study's main findings indicate that the developed wheelchair recliner can withstand a load of 2000N, which includes both the wheelchair load and the subject's load. The study tested the wheelchair recliner with three reclined angles: 40º, 45º, and 50º. It found that regardless of their BMI category, all subjects were comfortable using the wheelchair recliner at these angles during dental treatment. Overall, the study suggests that the developed wheelchair recliner has the potential to provide comfort to wheelchair users with various BMI categories during dental treatment, eliminating the need for uncomfortable transfers from the wheelchair to the dental chair.]]>
