REMOTE MONITORING AND CONTROL OF A REFRIGERATOR USING GSM INTERFACE
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REMOTE MONITORING AND CONTROL OF A REFRIGERATOR USING GSM INTERFACE
Chapter One: Introduction
1.1 Background of the Study
The technology for controlling devices and circuits is rapidly evolving. This project has applications that are similar to the control devices. So, in the concept, the Arduino circuit is the key component that might be used to run the proposed programme.
Currently, many places have poor refrigerator management. There have been several failures in the development of refrigerator temperature management systems. To overcome these limitations, a simple circuit (prototype) was constructed, which is also cost-effective.
Many centuries ago, geographical boundaries limited the functionality of remote monitoring and control systems that appear to be simple in present times. In today’s modern environment, we see, feel, and use these devices on a daily basis.
Dynamics and technological innovation have broken down these barriers, and we now have remote monitoring and control technologies at our fingertips.
Remote monitoring and control of controllable devices is accomplished by transmitting control information to and receiving status information from information appliances via a network.
A user can monitor and control information appliances from a remote place. Graphical user interfaces can help with remote monitoring and control.
Remote monitoring is not a new concept in the industrial automation sector; the first remote monitoring systems were established over 25 years ago using dial-up phone connections.
In the 1990s, these early systems gave way to hardwired Ethernet/Internet connections, which provided faster and more reliable connectivity.
Today, many industries, individuals, and groups benefit from technologies that leverage wireless networks and devices to provide easier and more cost-effective remote monitoring and control [2].
Remote Monitoring and Control technology can be used to implement specific appliances such as home lighting, alarms, heating and cooling systems. The final two applications are part of HVAC systems
which contain the three functions of heating, ventilation, and air conditioning that are frequently combined in today’s modern homes and buildings [3].
Remote Monitoring and Control can be accomplished efficiently in advanced applications using Machine Learning, which arose from the study of pattern recognition and computational learning theory in artificial intelligence [4].
Its goal is to investigate and build algorithms capable of learning from and making predictions based on data. Instead of following purely static programme instructions, such algorithms can develop a model from example inputs to produce data-driven predictions [5].
Machine Learning is strongly related to, and often overlaps with, computational statistics, which is also concerned with making predictions using computers. It is strongly related to mathematical optimisation, which provides methods, theory, and application fields in the discipline.
It is used in a variety of computing jobs where developing and writing explicit algorithms is impractical. Examples of such applications include spam filtering, optical character recognition (OCR), search engines, and computer vision [6].
Machine learning is commonly confused with data mining [7], but the latter subfield focuses on exploratory data analysis and is known as unsupervised learning [8].
Certain hardware or software may be required to communicate with the microcontroller or control unit when using remote monitoring and control systems. An interface in computing is the shared boundary across which two distinct components of a computer system exchange information.
The exchange can occur between software, computer hardware, peripheral devices, humans, or any combination of these. Some computer hardware devices, such as a touch screen, can send and receive data via the interface, but others, such as a mouse or microphone, may only provide an interface for data transmission to a specific system [9].
In some applications, microcontroller-based systems must be connected to a GSM network, allowing the user to control the device by sending messages or making calls. The systems can also deliver notifications to the user to notify or inform them of the system’s current status.
In all of these circumstances, a separate GSM module is used rather than the mobile phone. The advantage of using GSM communication with a system or device is that the user can control the system wirelessly no matter how far away it is
as opposed to any other wireless communication, as long as both the user and the device are in a cellular service area [10].
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