Hardware design for smart home

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Dr. Tóth Csaba
Department of Measurement and Information Systems

Nowadays the automation and the intelligent systems are more common and they appear almost all parts of the life. We are surrounded by these devices almost everywhere: in the car, on the tram, at the doctor or at the bank. These are autonomous systems, which can solve complex problems.

In the past few years the automation appeared in industry buildings and in homes. We can say that the automation of the buildings is a rapidly growing part of the industry. In case of factories and laboratories it is more important to control specific parameters, for instance temperature and humidity. At home there are other priorities: to increase the level of security and comfort, and to reduce energy consumption. Some of these systems can also be remote controlled and accessed by integrated smartphone apps.

In this thesis work we build up the basics of a home automation system with another student. This thesis work is completed with Tamás Hajdu: Software development for smart home (2014). (Some chapters of the two thesis works are the same.)

First we looked into the companies with home automation systems, and then we built up our own concept. We chose some parts of the concept to design prototypes, to show the raison d'etre of the system, and then drew up the requirements. The general system plan is based on these requirements. This is the end point of the joint work. The hardware design plan follows the general system plan.

Based on the hardware system plan I chose the appropriate communication networks and the microcontrollers, I designed the modules, and the hardware level software. I used these modules to build up the prototype system. Taking the requirements into consideration, I evaluated the prototype system.


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