\documentclass[]{jsbook}
\usepackage{psfrag,graphicx,color,defvar2,eclepsf,othermac}
\pagestyle{empty}
\begin{document}
  \begin{center}
    \leavevmode
\epsfile[
\epsfat(1mm,65mm){$v_{\rm ctrl}$}
\epsfat(42mm,65mm){$e_f$}
\epsfat(94mm,65mm){$V_t$}
\epsfat(29mm,34mm){$U_{lV}$}
\epsfat(6mm,8mm){$L_{lV}$}
\epsfat(53mm,22mm){{\Large $\frac{G_V}{1+T_V s}$}}
\epsfat(37mm,5mm){$e_{fs}$}
\epsfat(83mm,5mm){$V_{ts}$}
\epsfat(107mm,21mm){$V_{vm}$}
]{file=eps-mg/block.eps,width=0.55\textwidth}
  \end{center}
\end{document}
