X-Git-Url: https://git.rohieb.name/bachelor-thesis/written-stuff.git/blobdiff_plain/34498d8190651a7dbf969da9b03d01b8cf085ed4..HEAD:/Ausarbeitung/experiment3.tex diff --git a/Ausarbeitung/experiment3.tex b/Ausarbeitung/experiment3.tex index 9855b54..bedcb0e 100644 --- a/Ausarbeitung/experiment3.tex +++ b/Ausarbeitung/experiment3.tex @@ -1,45 +1,47 @@ -\chapter{Experiment 3: Movement Behaviour with Constant Start/Stop +\chapter{Experiment 3: Movement Behavior with Constant Start/Stop Acceleration} \label{sec:exp3} -\todo{} -\section{Setup} -algorithm: slowly accelerate at start over a time of 1 second, decelerate at -stop. no mean correction. - -approach: correct slippage on the floor +The third experiment tried to correct the slippage of the wheels on the floor +that possibly occurred in Experiment~1 when the Roomba suddenly started or +stopped. Due to inertia, the Roomba's movements are delayed and the influence +of that effect could be large enough to be measurable. -setup same as in experiment 1 and 2, application on netbook was -\prog{soft\_start\_test}. +To achieve that, the Roomba's velocity was not changed abruptly, as in +Experiment~1, but it was increased and decreased at a constant rate over a +time interval of 1~second. No mean correction was involved as in Experiment~2. -expectations \& were they fulfilled? +\section{Setup} +Again, the hardware setup was the same as already in the other two +experiments. The application used for measuring data was +\prog{soft\_start\_test}, which is described in Section~\ref{sec:impl:soft}. \section{Results} \begin{figure} \centering \includegraphics[width=\textwidth]{images/iz250flur_drive-soft_data.pdf} - \caption{Behaviour with constant start/stop acceleration, laminated floor, + \caption{Behavior with constant start/stop acceleration, laminated floor, straight drive movements} \end{figure} \begin{figure} \centering \includegraphics[width=\textwidth]{images/iz250flur_turn-soft_data.pdf} - \caption{Behaviour with constant start/stop acceleration, laminated floor, + \caption{Behavior with constant start/stop acceleration, laminated floor, turn movements} \end{figure} \begin{figure} \centering \includegraphics[width=\textwidth]{images/seminarraum_drive-soft_data.pdf} - \caption{Behaviour with constant start/stop acceleration, carpet floor, + \caption{Behavior with constant start/stop acceleration, carpet floor, straight drive movements} \end{figure} \begin{figure} \centering \includegraphics[width=\textwidth]{images/seminarraum_turn-soft_data.pdf} - \caption{Behaviour with constant start/stop acceleration, carpet floor, + \caption{Behavior with constant start/stop acceleration, carpet floor, turn movements} \end{figure} -same or even worse deviation as in original behaviour... - -\todo{statistical values, stddev?} +The data shows mostly no difference to the original behavior from +Experiment~1. Apparently inertia and slippage do not influence the accuracy of +the movement. \ No newline at end of file