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Diffstat (limited to 'testsuite/vests/vhdl-ams/ashenden/compliant/AMS_CS2_Mixed_Tech/gear_rv_r.vhd')
-rw-r--r-- | testsuite/vests/vhdl-ams/ashenden/compliant/AMS_CS2_Mixed_Tech/gear_rv_r.vhd | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/testsuite/vests/vhdl-ams/ashenden/compliant/AMS_CS2_Mixed_Tech/gear_rv_r.vhd b/testsuite/vests/vhdl-ams/ashenden/compliant/AMS_CS2_Mixed_Tech/gear_rv_r.vhd new file mode 100644 index 000000000..39ac481b6 --- /dev/null +++ b/testsuite/vests/vhdl-ams/ashenden/compliant/AMS_CS2_Mixed_Tech/gear_rv_r.vhd @@ -0,0 +1,41 @@ + +-- 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; + +entity gear_rv_r is + generic ( ratio : real := 1.0 ); -- gear ratio (revs of shaft2 for 1 rev of shaft1) + -- note: can be negative, if shaft polarity changes + port ( terminal rotv1 : rotational_v; -- rotational velocity terminal + terminal rot2 : rotational ); -- rotational angle terminal +end entity gear_rv_r; + +---------------------------------------------------------------- + +architecture ideal of gear_rv_r is + + quantity w1 across torq_vel through rotv1 to rotational_v_ref; + quantity theta across torq_ang through rot2 to rotational_ref; + +begin + + theta == ratio * w1'integ; -- output is angle (integral of w1) + torq_vel == -1.0 * torq_ang * ratio; -- input torque as function of output angle + +end architecture ideal; |