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@@ -7,38 +7,38 @@ cm tall. Some of its characteristics are:
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\begin{itemize}
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\item Two HD-cameras on the head;
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\item Two HD-cameras on the head
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\item An ultrasonic rangefinder on the body;
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\item An ultrasonic rangefinder on the body
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\item An inertial navigation unit (accelerometer and gyroscope);
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\item An inertial navigation unit (accelerometer and gyroscope)
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\item Internet connectivity over Ethernet cable or 802.11g WLAN;
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\item Internet connectivity over Ethernet cable or 802.11g WLAN
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\item Single-core Intel Atom CPU and 1 GB of RAM;
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\item Single-core Intel Atom CPU and 1 GB of RAM
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\item Programmable joints with overall 25 degrees of freedom;
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\item Programmable joints with overall 25 degrees of freedom
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\item Speakers;
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\item Speakers
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\item 60 to 90 minutes battery life.
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\item 60 to 90 minutes battery life
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\end{itemize}
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It can be seen from the specifications list, that the multitude of sensors and
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interfaces makes Nao an attractive development platform, suitable for the task
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of playing soccer. However, relatively weak CPU and a low amount of RAM require
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interfaces make the Nao an attractive development platform, suitable for the task
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of playing soccer. However, a relatively weak CPU and a low amount of RAM require
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the programs running on the robot to be resource-efficient, which had to be
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taken into into account during our work on the project.
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taken into account during our work on the project.
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\section{Software}
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In our project we used \textit{NAOqi OS} as an operating system for the robot.
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This is a standard operating system for Nao robots based on Gentoo Linux, and
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This is a standard operating system for Nao robots based on Gentoo Linux and
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it can handle all aspects of robot control, such as reading the sensors, moving
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the robot and establishing the network connection.
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As a framework for the implementation of the desired behavior we chose the
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As a framework for the implementation of the desired behaviour we chose the
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official \textit{NAOqi Python SDK} \cite{naoqi-sdk}. We found this framework
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easy to use, well documented and also covering most basic functionality that
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was necessary for us to start working on the project. A further advantage of
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