LaTex一行排列多个子图，并且每个子图都添加小标题

#LaTex一行排列多个图，并且加入每个图都添加小标题
引入宏包：\usepackage{subfigure}
\begin{figure}[htbp]
\begin{center}
\subfigure[Positions trajectories and errors]{
\includegraphics[width=0.47\linewidth]{FreeF1.eps}
}
\subfigure[Velocities trajectories and errors]{
\includegraphics[width=0.47\linewidth]{FreeF2.eps}
}
\caption{Tracking control for MAS without any faults.}
\end{center}
\end{figure}

效果如图：