1 驅動時序
按照SPWM
的驅動方式,驅動時序基本有整步,半步和細分驅動三種,下面簡單介紹整步驅動;
A+ | B+ | A- | B- |
---|---|---|---|
1 | 0 | 0 | 0 |
0 | 1 | 0 | 0 |
0 | 0 | 1 | 0 |
0 | 0 | 0 | 1 |
2 仿真架構
這個仿真是matlab
自帶的demo
,整步方式來驅動兩相四線的步進電機,整體的仿真圖如下所示;
3 Matlab Function
function [ap,an,bp,bn] = fcn(clk,dir)
if dir == 0
% back
if(clk == 0)
ap = 1;
an = 0;
bp = 0;
bn = 0;
else
ap = 0;
an = 0;
bp = 1;
bn = 0;
end
else
%forward
if(clk == 0)
ap = 0;
an = 0;
bp = 1;
bn = 0;
else
ap = 1;
an = 0;
bp = 0;
bn = 0;
end
end
4 仿真結果
關注公衆號:小麥大叔 並回復matlab
即可下載仿真;