International Journal of Engineering Research and Advanced Technology
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Ergonomic Improvement of Drinking Water Dispenser for Indonesian People Using Rapid Upper Limb Assessment Method
No full textThe existing water dispenser has been established in Indonesia for years which has various water tap designs and height levels as well. Unfortunately, the existing water tap design and height level have suited only for certain people with a height of less than 167 cm and therefore other taller people experienced bending posture when operating it. Furthermore, the water tap valve which required both hands to operate has made another effort to fill into the water media. Several research and methodologies have been proposed regarding water tap such as how to avoid water spills using the TRIZ method and how to enhance the smart dispenser through the Internet of Time. None of it discovered how to enhance its ergonomic aspect. However, to achieve improve the ergonomic level, several experiments and measurements have been performed in this research using Rapid Upper Limb Assessment (RULA) method, to generate a recommendation for ergonomic water dispensers
Reverse Engineering Approach for the Design of Gear-box for a Hand-guided Vibratory Roller Soil-Compactor
No full textSoil compaction is one of the most critical components in the construction of roads, airfields, embankments and foundations. For a developing country like Nigeria, the equipment needed to compact soil for the above-mentioned purposes especially in the rural areas needs to be readily available. However, this is usually not the case as most of the available equipment like Roller compactors are imported. A cheaper and faster way to make them available is by reproducing the existing ones through ‘Reverse Engineering’. Reverse Engineering (RE) can be defined as the process of discovering the technological principles of a device, object or system through analysis of its structure, function and operation usually for the purpose of reproducing it or for a more competitive procurement. In this project, the Reverse Engineering design (mechanical) of a parallel shaft gearbox for use in a hand roller compactor was carried-out. Its entire functionality was outlined and the engine capacity to be coupled to the gear box in order to provide the required energy for an acceptable soil compaction was determined. The energy required according to Standard Compaction Test AS 1289 – E1.1 ranges from 595 KJ/m3 to 2072 KJ/m3 according to the Modified Compaction Test AS 1289 – E2.1. Therefore, the energy required for various levels of compaction, ranges between these two values. Four different soil types were considered and the energy required for different ‘Compacted lift thicknesses’ using the parameters of the hand roller compactor were found to fall within the above values (595 – 2072 KJ/m3), thus, justifying the viability of this design procedure
Performance of Green Concrete Comprising Waste Ceramic as a Fine Aggregate Replacement: Effect of Sulfuric Acid on Degradation Process
No full textThis study investigated the durability performance of concrete exposed to Sulfuric acid, as well as assists to reduce the landfill and environmental pollution problems, by incorporating 30% ceramic waste powder as a replacement of fine aggregate. Concrete specimens of 100 × 100 × 100 mm in dimensions were cast with a 0.5 water/cement ratio, and 31.4 MPa compressive strength at age of 28-day. The durability of concrete cubes was periodically examined by means of measuring the change in mass, residual compressive strength, and visual inspection for a period of 14 weeks of exposure to 5% Sulfuric acid attack (H2SO4). The results showed that incorporated 30% of waste ceramic powder contributed to enhancing the resistance of concrete by improving the pore structure of concrete under sulphate attacks due to the formation of extra C-S-H gel through the chemical reaction between calcium hydroxide and silica. It can be concluded that the ceramic waste powder restricted the ability of sulphate ions to penetrate the concrete, which led to better performance in acidic solution
ARTIFICIAL INTELLIGENCE IN CYBERSECURITY
No full textCybersecurity is the process of protecting computer networks from cyber attacks or unintended unauthorized access. It is the need of the hour. Organizations, businesses, and governments need cybersecurity solutions because cyber criminals pose a threat to everyone. Artificial intelligence promises to be a great solution for this. By combining the strength of artificial intelligence with cybersecurity, security experts are more capable to defend vulnerable networks and data from cyber attackers. This paper provides an introduction to the use of artificial intelligence in cybersecurity
Preprocessing and Feature Extraction for Psoriasis Images Based on Discrete Wavelet Transform
No full textThis paper, proposes the pre-processing methods use a small neighborhood of a pixel in the input image to get a new brightness value in the output image. Such pre-processing operations are also called filtration. in this paper, we start with the image using a medical case for psoriasis image after change it to gray state implemented under the transform domain (i.e frequency), using wavelet transform then use three filters sharpening, Sobel, and Laplace filter. after make proposed by computing PSNR for each state to show the effect of it. Then extract features through an apply a set of measures (Energy, Entropy, Standard deviation, Variance, Mean) of low low sub-image. The proposed system was implemented on the medical case for psoriasis image dataset, some of them were obtained from the hospitals and the other was obtained from the dataset (Light Field Image of Dataset skin Lesions), available on the Internet and the proposed system implemented in programing language Visual Basic 6.0
Assessment of Customer’s Satisfaction on Water Supply Service Delivery in Bahir Dar City, Ethiopia
No full textUnderstanding consumer satisfaction levels for drinking water can contribute to improvements in water service quality and water management. The aim of this study is to assess the consumers’ satisfaction on water supply service in Bahir Dar city, Ethiopia. The representative households were selected by stratified followed by systematic sampling techniques. The data was collected from 351 representative households using questionnaires and semi-structured interviews. The collected data was coded, edited and entered into STATA (Statistical analysis software) version 14.2 for further statistical analysis. Chi-square test and order logistic regression were conducted. The chi-square test indicated that relatively males were more satisfied than females. Customers with the educational status of having secondary and above educational level were relatively unsatisfied. Similarly, customers who had their own houses were more satisfied than customers who got house from the rent of individuals and agencies, while customers having low and middle income were significantly more satisfied than customers having high-income levels. Results from the order logistic regression indicated that total customer satisfaction had a significant relation with continuity of water supply, water pressure and scheduling of water service. The result also indicated that most customers were not willing to pay additional payment for the existing satisfaction level but customers were willing to pay more if there was a significant improvement in its overall customer services, particularly on the three least rated satisfaction drivers continuous water supply, water pressure and scheduling of water service.
 
Lean Manufacturing Implementation to Reduce Waste Using the Waste Assessment Model Method in the Production Process
No full textThe research carried out aims to identify, reduce, and hopefully eliminate waste on the Injection Phylon production line using the lean manufacturing concept. One of the tools in lean manufacturing, namely the Waste Assessment Model (WAM) is used to identify waste in the production process. Using the WAM method, it was found that inventory waste is a critical waste with a value of 21.41%, while the second place is defect waste with a value of 20.37% and the third is overproduction waste with a value of 17.49%. After calculating with WAM, calculations are performed using the Value Stream Analysis Tools (VALSAT) to assist in seeing the mapping of existing waste. Using the VALSAT method with the Process Activity Mapping tools, it is found that storage is the largest activity with a value of 85.63%. The critical waste found in this study using WAM and VALSAT is inventory waste. Based on the fishbone analysis, it is found that the root cause of inventory waste is due to the absence of a real-time work order (SPK) information system in the production section and there is no standard identification of manufactured goods.
Key Words: Lean manufacturing, waste assessment model, value stream analysis tools, fishbon
Numerical Treatment of Volterra integral Equation of the 2nd kind Using 6th order of Runge-Kutta method
No full textThe aim of this paper is to study and to obtain an approximate solution of non-linear Volterra integral equation of the second kind ,the researcher implemented the modified method by using specific examples involving volterra integral equation to show the capability and efficiency of our approximate method according to the exact solution in addition to the ease in programming the approximate method 
Medical Image Compression using Hybrid Technique of Wavelet Transformation and Seed Selective Predictive Method
No full textIn this paper, a a hybrid coding system of lossless and lossy base is introduced for compressing medical images, where the slectedseed predictive coding of approximation subband, and the detail subbands of hierarical scheme of wavelet transform exploited,respectively. The test results indicate that the suggested method can lead to promising performance using various thresholding values and extended schem
The Arrangement of Open Space on Lamongan City Center based on Smart City Concept
No full textAt this time the city center is used as a benchmark in seeing the development of a city, includ ing the City of Lamongan. The Lamongan City Center has quite high accessibility and activities, this is due to the presence of important buildings, government buildings and pavilion, Lamongan-level markets, places of worship and town squares. However, the central area of Lamongan City has not been able to optimize the potential of open space as a support for the city center, this is because there are problems related to environmental quality, functional and visual quality of supporting elements of urban s pace. This research aims to organize the open space with the application of the Smart City concept that integrates human, environment and technology. This research uses Character Appraisal analysis techniques to measure the quality of the open environment and Triangulation toreduce the validity of the data. The results of this research indicate that the center of Lamongan City has functional and visual problems related to infrastructure and environmental elements, so it has not been able to realize the con cepts of Smart City,especially on the concept of Smart Mobility, Smart Living, Smart Environment and resulted in a decrease in the quality of open space in the Lamongan city center, this has an impact on the decline of the community in their activities in the open space of the center of Lamongan City