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diff --git a/testsuite/vests/vhdl-ams/ashenden/compliant/AMS_CS2_Mixed_Tech/DC_Motor.vhd b/testsuite/vests/vhdl-ams/ashenden/compliant/AMS_CS2_Mixed_Tech/DC_Motor.vhd
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+
+-- Copyright (C) 2002 Morgan Kaufmann Publishers, Inc
+
+-- This file is part of VESTs (Vhdl tESTs).
+
+-- VESTs is free software; you can redistribute it and/or modify it
+-- under the terms of the GNU General Public License as published by the
+-- Free Software Foundation; either version 2 of the License, or (at
+-- your option) any later version. 
+
+-- VESTs is distributed in the hope that it will be useful, but WITHOUT
+-- ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+-- FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+-- for more details. 
+
+-- You should have received a copy of the GNU General Public License
+-- along with VESTs; if not, write to the Free Software Foundation,
+-- Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA 
+
+library ieee_proposed;
+use ieee_proposed.mechanical_systems.all;
+use ieee_proposed.electrical_systems.all;
+
+entity DC_Motor is
+  generic ( r_wind : resistance;  -- motor winding resistance [ohm]
+            kt : real;		  -- torque coefficient [N*m/amp]
+            l : inductance;	  -- winding inductance [henrys]
+            d : real;		  -- damping coefficient [N*m/(rad/sec)]
+            j : mmoment_i );	  -- moment of inertia [kg*meter**2]
+  port ( terminal p1, p2 : electrical;
+         terminal shaft_rotv : rotational_v);
+end entity DC_Motor;
+
+----------------------------------------------------------------
+
+architecture basic of DC_Motor is
+
+  quantity v across i through p1 to p2;
+  quantity w across torq through shaft_rotv to rotational_v_ref;
+
+begin
+
+  torq == -1.0 * kt * i + d * w + j * w'dot;
+  v  == kt * w + i * r_wind + l * i'dot;
+
+end architecture basic;