Journals of Mechatronics Machine Design and Manufacturing

Performance Improvement of an Intelligent Water Dispensing Mechanism using Transducer Technology

Akaninwor G. C. — 2025-02-14

This research involves the design improvement of an intelligent water dispensing mechanism using transducer technology which was aimed at delivering a user-friendly, efficient, and hygienic solution for dispensing drinking water. The primary objective is to create an automated system that utilizes sensors to provide a measured quantity of purified water, addressing the challenges of water scarcity and contamination. The system comprises a microcontroller-based control unit, touch-free sensor interfaces for selecting water quantities, and an advanced filtration mechanism to ensure water purity. The fabrication phase employed contemporary manufacturing techniques and materials to construct a durable and efficient prototype. The intelligent water dispensing mechanism effectively dispenses a volume of 0.5 and 1 liter with a flow rate of 0.05 liters per second(l/s). Each transaction consumes 500watt-seconds (Ws) or 1000 Ws of power respectively. The machine dispenses 0.5 liters of water in 10 seconds and 1 liter of water in 20 seconds, respectively. It can also handle up to 200 transactions daily, dispensing a total of 150 liters of water and consuming 150,120 Ws of power. Extensive testing was performed to assess the machine’s performance concerning accuracy, reliability, and user satisfaction. The results demonstrated that the sensor-operated system accurately dispensed the desired water volumes and maintained high standards of water quality. This project demonstrates the effectiveness of an intelligent water dispensing mechanism in delivering accessible and efficient resource management. With a sensor accuracy of 99% and a pump efficiency of 90%, the machine provides reliable and efficient performance. At the end of the procedure, it was observed that the machine was very effective in dispensing water with the aid of transducer technology with low power consumption as opposed to the conventional systems that offer lower efficiency and higher power consumption.

Design and Fabrication of Electrically Actuated, Semi-automated Dual White Marker Board

James Richard Victor — 2025-02-07

This paper examines the design, fabrication, and testing of an electrically actuated, semi-automated dual white marker board. The study was conducted using sound and established fundamental engineering principles, such as torsion of circular shafts, power requirement, shear stress induced in shafts, and gear design, all part of the hoist mechanism. Analysis showed that the tension in the cable holding the boards is 14.715 N, the torque transmitted by the gears rotating the hollow shaft is 20.83 Nm, the speed of the driver gear is 31.35 rpm, the capacity of the battery that drives the motor-gear-shaft system was carefully selected to be nominal voltage of 12 volts and a capacity of 7 ampere-hour (12V, 7AH). After fabrication, a series of tests were conducted, and the results showed that the average time taken to pull the board up was 9.5 s, while for the downward movement, it took an average of 15.5 s. The total fabrication cost of the entire system was One Hundred and Sixty-Seven Thousand Nigerian Naira (N167,000) about at the time the study was carried out. Conclusively, this design showed that multiple marker boards can be semi-automated for effective learning in the classroom, which is the main aim of this research work.

A Review of Automatic Fan Speed Controller using Temperature Sensors

Abrar Shaikh — 2025-02-14

This project focuses on creating an automatic fan speed controller that can adjust the speed of a fan automatically based on the surrounding temperature. The goal is to make fans more energy-efficient and comfortable to use in homes, offices, and industrial spaces. Unlike traditional fans that run at a fixed speed and waste energy, this system uses temperature sensors and a microcontroller to adjust the fan speed automatically, keeping the environment comfortable without needing manual changes. The microcontroller processes the temperature data in real time and controls the fan motor to work at the right speed for the conditions. The system also allows users to set their preferred temperature levels, making it more convenient and personalized. Research shows that controlling fan speed based on temperature can save energy and improve comfort. The project will be completed in four main steps: designing the system, creating technical drawings, collecting necessary components, and testing the final product. This system not only reduces electricity usage but also prevents overheating, which helps the fan last longer. By combining smart technology and energy-saving features, the project contributes to the growing field of smart home innovations. It aligns with efforts to promote sustainability and reduce energy consumption. The success of this project could lead to further improvements in energy-efficient technologies for everyday use.