The rapid climate change is a huge concern around the world. Singapore is also very concerned as she has also experienced the negative consequences because of climate change. The Singapore government has identified the installation and the uses of air conditioning (AC) as one of the top factors that contributes to climate change. Hence, in this project, the focus is to study and improve on the current heating, ventilation, and air conditioning (HVAC) system. The ultimate objective of this project is to use Internet of Things (IoT) to retrieve and analyze data, and for Machine Learning to train and predict the ON/OFF state of the HVAC's damper. Thereafter, to allow the HVAC system to be automated.......

Key Words: IoT solution, HVAC, air-conditioning system, machine learning, climate change.

The general purpose of the study was to establish the influence of strike actions on employee performance: the case of University of Benin Teaching Hospital (UBTH). This study was guided by the following research objectives; to determine the effect of collective bargaining agreement negotiation on employee performance and to determine the effect of dispute resolution on employee performance. Descriptive research was used to investigate variables without manipulating. The target population was 550 employees. The study targeted employees who work at casualties and emergency department, nursing care, and clinical and diagnostic department. Stratified random sampling method was used to select a sample of 100 employees.......

Key Words: Collective bargaining, Strike, Employee performance

Objective. The aim of our research was to determine high radioactive points and radiation background in uranium deposit area, predict radiation hazards to population. Method: Using specific radioactivity concentrations of 238U, 232Th, 40K, which were collected from some points of uranium deposits in Mongolia, we have determined dose rate and effective equivalent dose in Gurvanbulag, Khairkhan, Dulaan-Uul, Zuuvch-Ovoo uranium deposits in Mongolia. Also we had determined radioactivity in soil, water, animal milk and air samples by HP-Ge gamma-spectrometer, which were collected in these four biggest uranium deposits of Mongolia........

Key Words: Specific activity, gamma spectrometer, uranium deposit.

This article presents the results of controlling a 2-degree-of-freedom (2DOF) robot arm moving in a plane with a traditional PID control system. However, the parameters of this control system are determined using the Algorithm Bee Colony optimization (ABC). The dynamics model of the robot arm is built and serves as the foundation to perform the control problem. The optimal parameters of the PID control system are determined based on the ABC algorithm and through MATLAB/SIMULINK software in real time. The results obtained from the control system are converted into signals that control the actual robot arm model........

Key Words: Robot arm, two-link, PID controller, ABC, real time control.

Energy saving is a very topical issue. In these conditions, the reduction of heat losses through the walls of the furnaces (regardless of their nature: melting, heat treatment, etc.) is a priority right from the design phase. Knowing the thermal flow through the walls of the furnaces, they can be sized and the materials used to build them can be chosen so that the losses are reduced to the maximum. The paper presents a calculation program made in VisualBasic from Microsoft that allows determining the heat flow with a high enough precision for engineering calculations and not only. The main advantage is that a free platform is used and not specialized commercial software that is very expensive. The program can be used both for the design of industrial furnaces and for the modernization of existing furnaces by replacing the material of the insulating layer. It can also be used in other industries such as construction.

Key Words: Heat flow, interval halving method, thermal conductivity

Facial expression Recognition is the challenging tasks in social context. Facial expressions are natural and is a mean of non-verbal communication. This paper focus on the survey of Face Expression Recognition (FER) techniques which include the three major stages such as preprocessing, feature extraction and classification. This survey is majorly focus on the various types of FER techniques and its contribution in this area. The performance of various FER techniques is compared considering the number of expressions, accuracy, complexity and efficiency of algorithms on Datasets like JAFFE, CK, CK+ The survey on classifiers is based upon recent papers and reveals an understanding and significance of the research in the field of automated facial expression recognition system.

Key Words: xxx

Vinegar has been used in gastronomy culture throughout history. Bayramiç Beyazı (Prunus persica var. nucipersica) and Bayramiç apple (Malus domestica) are geographically indicated fruits grown in Turkey. In this study, Bayramiç Beyazı and Bayramiç apple vinegars were produced by traditional method and some chemical properties; pH, total dry matter, total acidity, color analysis (L*, a*, b*) together with antioxidant activities and total flavonoid content were calculated. DPPH free radical scavenging activities of vinegars produced from Bayramiç Beyazı and Bayramiç apples were 14% and 20%, respectively and their Total flavonoid content were determined as 1.932 and 1.873, respectively. Some quality characteristics were determined by comparing obtained results.

Key Words: Bayramiç Beyazı vinegar, Bayramiç apple vinegar, antioxidant, flavonoid.

This project explores the optimization of compressed air vehicles (CAVs) by combining insights, from a review of existing research with practical experimentation. The literature review presents the advantages and challenges of CAVs, emphasizing their potential as a sustainable transportation solution while acknowledging limitations such as range constraints, safety concerns, and infrastructure requirements. The experimental phase of the project focuses on iterative modifications to enhance the performance of a pneumatic engine-driven car. Meticulous sealing, the introduction of ball bearings, and additional........

This project is about designing, manufacturing, and experimental verification of an Arduino-based DIY 3D scanner to meet the extensive needs of 3D scanning in manufacturing and reverse modeling. The principles of commercial 3D scanners are mainly based on time of flight, triangulation, and structured light, which are expensive. This project builds a low-cost 3D scanner based on triangulation with a total cost of $ 161.95. Arduino is the central control unit, combined with a lifting platform, rotating platform, infrared distance sensor, SD card storage module, and TFT touch screen. 3D scanner adopts a modular approach to establishing circuits, effectively reducing the consumption of circuit consumables. For the electrical part, the project proposes a low-pass hardware filtering method.........

Key Words: 3D scanner, Reverse engineering, Arduino