B&B Electronics Asynchronous to Synchronous Converter 2010 Manual do Utilizador descarregar pdf (Página 2)

Department of Computer Science and Electronics

Abstract

The present work, performed at Mälardalen University, illustrates the design of

an electronic circuit to be implemented in a soccer playing robot. The main objective of

this work is to make the robot know whether it is above a white line in the soccer field

or not. This knowledge can help the robot to calculate the current position which it

occupies.

Several infrared sensors are located in the bottom platform of the Robot in three

different cards in order to detect the white lines. The three cards are part of a RS-485

network within the PPC which is supposed to receive the sensors’ state from the cards.

As the cards have to send the sensors’ states to the PPC digitally while they are read in

an analogue way, it is necessary to calculate each sensor’s threshold which may change

according to the field the robot is playing on.

The report, at first, considers relevant literature providing basic background

knowledge on related works.

Afterwards, a detail analysis of the problem and the method used are presented.

Moreover, the algorithm of the program is examined along with the final code and the

way this has been tested. Schematic and layout are also included.

Finally, an analysis of the solution obtained is exposed. Although this thesis

does not explain how the specific network works, it illustrates how the designed code

works in a simulation kit. An analysis of the results obtained and the conclusions are

presented along with the suggestions on the improvements that could be made in the

design.

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B&B Electronics Asynchronous to Synchronous Converter 2010 Manual do Utilizador Página 2