1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
|
-- 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.electrical_systems.all;
entity motor_system_wa is
port ( terminal vp, vm, px1, px2, px3 : electrical); -- 2 inputs, 3 outputs
end entity motor_system_wa;
----------------------------------------------------------------
architecture simple of motor_system_wa is
quantity v_in across vp to vm; -- Inout voltage/Current
quantity x1 across ix1 through px1 to electrical_ref;
quantity x2 across ix2 through px2 to electrical_ref;
quantity x3 across ix3 through px3 to electrical_ref;
constant Tfb : real := 0.001;
constant Kfb : real := 1.0;
constant Te : real := 0.001;
constant Ke : real := 1.0;
constant Tm : real := 0.1;
constant Km : real := 1.0;
constant c11 : real := -1.0/Tfb;
constant c12 : real := 0.0;
constant c13 : real := Kfb/Tfb;
constant c21 : real := -Ke/Te;
constant c22 : real := -1.0/Te;
constant c23 : real := 0.0;
constant c31 : real := 0.0;
constant c32 : real := Km/Tm;
constant c33 : real := -1.0/Tm;
begin -- architecture simple
x1'dot == c11*x1 + c12*x2 + c13*x3;
x2'dot == c21*x1 + c22*x2 + c23*x3 + (Ke/Te)*v_in;
x3'dot == c31*x1 + c32*x2 + c33*x3;
end architecture simple;
|
