Temperature Controlled Automatic Air Conditioning System (original) (raw)
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Room Temperature prediction in Air Conditioners is highly challenged and ambiguous in today's life. To develop the system, some hardware like raspberry pi zero, thermal sensor, microcontroller, IR sensor and the room's AC with existing remote are used. The proposed system is implemented through an embedded system by using the Python programming language. Based on the data, a mathematical formula can be derived and an algorithm of the proposed system has been designed and developed for the predicted temperature data with the values of the two sensors. The sensors are used to detect temperature and the AC performs automatically turn on or turn off. This system can be implemented in any smart AC room where anyone can utilize the AC system automatically switched on/off with the predicted temperature. This also can used in all over the places including for disabled peoples, personal room, conference room, hall room, classroom and transports, where manually control of AC is not feasible.
A Smart Embedded System Model for the AC Automation with Temperature Prediction
Springer , 2019
A model of an automated temperature prediction on smart AC system for a room has been designed, developed and implemented with an embedded system. In a room, temperature of object (like human being) with the environment is detected, identified and analyzed, with an ideal temperature. Based on data, a mathematical formula can be derived and an algorithm has been formed by using the mathematical formula of the predicted temperature data and the values of the two sensors, where sensors are used for object temperature detection and the AC perform automatically turned on or turned off. Python programming language with its default library has been used to code for the successful implementation of the algorithm. This proposed embedded system can be implemented in any smart AC room where anyone can utilize the AC system automatically switched on/off with the predicted temperature. Exploit this embedded system in all over the places including for disabled peoples, personal room, conference room, hall room, classroom and transports, where manually control of Air conditioner is not feasible.
Human Body Temperature based Air Conditioning Control System
International Journal of Engineering Research & Technology (IJERT) , 2014
Abstract—Air Conditioners and air conditioning systems are integral part of almost every building and they contribute a significant part of the total energy consumption. In Nigeria, heating and cooling appliances accounts for about 44% of utility bills. With exponential increase in the use of cooling devices, there is a simultaneous increase in the electrical power consumption and occurrence of health issues, such as building-related symptoms and sick building syndromes due to air conditioners. Hence, there is a need to fathom other ways of operating the air conditioning systems in other to minimize the energy consumption and other health related issues. In view of this, we have applied a Novel control method to regulate the operation of the air conditioning systems in offices and single rooms, based on the occupant’s or resident thermal comfort as against the traditional method based on the indoor temperature. The control signal is based on the occupant’s body temperature which is obtained via sensors on a table within the office or room. This information is sent to a microcontroller (AT89C52) where it is compared with a reference temperature and the air-conditioner is regulated accordingly. The system was evaluated using the body temperature of many people either “with normal” or “above normal” thermal states. The result of the evaluation shows that the system’s response is faster in temperature regulation when used for subjects with body temperature “above normal” thermal state. Furthermore, the operational time of the new method is significantly less than that of the old (traditional) method which definitely accounts for the reduction in the total energy consumption.
Design of a Smart Air Conditioning Controller Based on the Occupancy of a Building
International Journal of Electrical and Electronic Engineering & Telecommunications
This paper presents design of an efficient air conditioning control system that decides the number of air conditioning units to be operated based on the occupancy of a building. The objective of the research was to develop an automatic system using inexpensive electronic components and basic control methods in order to reduce electric power wastage in schools, colleges, offices, and homes. In this research, several experiments have been conducted to determine the optimum parameters for designing a cooling control set-up. The hardware implementation of the smart control system is presented and its performance is assessed. The proposed smart system was installed in building NJ10 at University of Jeddah, Jeddah, Saudi Arabia as a pilot project. As per the observations, energy consumption and cost can be reduced by a considerable amount, making the system efficient, when the proposed set-up is installed.
1st International Conference on Education and Development, 2018
Conventional air conditioner systems do not rely on occupancy. Due to this, excessive power is being wasted and human are being exposed to building related syndromes' (known as sick building syndrome) through air condition. This paper proposed a new wearable control strategy for use in an office or a single room, such that the occupant will wear the device on the wrist, thus controlling the air conditioner by wireless communication instead of the manual control and thus enhancing thermal comfort of occupants at all times. The developed control system ensures that air condition is not in operation at all the times as in the conventional control method but would be in operation only at certain period of times to satisfy occupant's thermal requirement thereby reducing waste of energy. The system response is evaluated using body temperature of different people with normal and above normal temperature. The result of the evaluation shows that the system mean response is 4.3 seconds to temperature below normal. Also, the system mean response to body temperatures above normal is 1.05 seconds faster than below normal.
Design of Wireless Ambient Air Condition Monitoring System
In the early day of environment monitoring, the measurement is generally done through manual measurement from simple and analog instrument which suffer from the drawbacks like poor accuracy, need of human intervention, associated parallax errors and durability. The rapid development in electronic technology has made reliable integration of smart electronic sensors, processor, and communication device capable of monitoring environmental parameters more favorably. A system for ambient air condition monitoring has been developed as described in this paper. It is based on the embedded system, smart electronic sensor, commercial off-the-shelf (COTS) components, and a Graphical User Interface (GUI) as a monitoring terminal.