Unwana Ubong Iwok, Kingsley Monday Udofia, Akaninyene Bernard Obot, Kufre Michael Udofia, Unyime Anietie Michael & Akpabio Itoro Kingsley·Journal of Engineering Research and Reports·2023
The aim of this study is to evaluate and compare machine learning algorithms when various feature extraction techniques are employed together and determine the optimal feature combinations for the models studied. The TIMIT online database was used where 5 male and 5 female non-na...
Open access
Research Article10.9734/jerr/2023/v25i8973
Polyethylene terephthalate (PET) stands out as the most widely recycled plastic globally. However, in the Philippines, the processes associated with PET recycling, particularly the transportation of PET bottles from collectors and consolidators to processing plants, demand signif...
Open access
Research Article10.9734/jerr/2023/v25i8974
To explore the impact of various material parameters on the three-dimensional free bending behavior of metal pipes and enhance the quality of such bending processes, this study focused on TP2 copper pipes with dimensions Φ12mm×1mm. Under uniform conditions of process parameters,...
Open access
Research Article10.9734/jerr/2023/v25i8971
The mechanical calculation model of rotary-vertical (RV) reducer is established on the basis of considering displacement and stiffness. Without considering the manufacturing error, the parameters of the RV reducer are input into the model and solved by MATLAB calculation software...
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Research Article10.9734/jerr/2023/v25i8970
Technology of house construction method have been experiencing development from time to time. In general, there are two construction methods that can be applied to lightweight steel roof truss which are the conventional method and the prefabricated method. The assembly of the lig...
Open access
Research Article10.9734/jerr/2023/v25i8968
Cost is an important factor in choosing the type of floor or slab used in any construction. When a large space within a building needs to be covered without hindrance and supports, waffle or ribbed slabs are used. For all slab systems, the cost constitutes a significant portion o...
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Research Article10.9734/jerr/2023/v25i8969
RV reducer has a wide range of applications in China due to a series of advantages such as high precision (backlash less than 1 Angle minute), high rigidity, high durability, high output density (strong torque & compact), wide reduction ratio range and low vibration. Due to t...
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Research Article10.9734/jerr/2023/v25i8966
In spite of the fact that risk management has developed into an essential component of the process of developing medical devices, as mandated by both domestic and international regulations and standards, there is still no all-encompassing model that describes how risk management...
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Research Article10.9734/jerr/2023/v25i8965
Alternative materials are now being used for the construction of various projects in Ghana due to the expansion of infrastructure in the country. The quantity of materials needed to build infrastructure presents a significant opportunity to reuse some of the waste products. It ha...
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Research Article10.9734/jerr/2023/v25i8963
In an effort to easily use the Orua Antia’s energy and power equations to determine the minimum comminution energy and power requirements of a given material; the mass Index being a constant in these equations is necessary to be provided for materials that could be subjected to c...
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Research Article10.9734/jerr/2023/v25i8964
This article presents the condition(s) under which the multiplicative model with the error variances best describes the pattern in an observed time series, while comparing it with those of the additive and mixed models. The method of estimation is based on the periodic, seasonal...
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Research Article10.9734/jerr/2023/v25i8962
The research is on the quality assessment of Sokoto water distribution networks. Sample coordinates of the study area were taken using GPS, the experiments were carried out at different consumer locations with thirty (30) samples of water collected weekly for four (4) weeks, to d...
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Research Article10.9734/jerr/2023/v25i8960
The identification of bridge structural damage can be divided into four processes: determining whether there is damage, determining the location of the damage, determining the degree of damage, and evaluating the load-bearing capacity of the bridge structure after the damage occu...
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Research Article10.9734/jerr/2023/v25i8961
Aims: The objective of this research work is to design and develop an IoT-based automated solar panel cleaning and real-time monitoring system using a microcontroller to improve the output and efficiency of a solar module at a low cost. Study Design: Most of the time, dust over s...
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Research Article10.9734/jerr/2023/v25i8959
The research is to develop a mathematical model for the decay of residual chlorine at the nodes and compare with results from Epanet 2.0. All the influencing parameters of initial chlorine Ccl(init(o)), bulk decay (Kb), wall decay (KW) and travel time (t), were well represented a...
Open access
Research Article10.9734/jerr/2023/v25i8956