mirror of
https://github.com/rene-dev/stmbl.git
synced 2024-12-24 17:42:10 +00:00
404 lines
8.5 KiB
HTML
404 lines
8.5 KiB
HTML
<html>
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<meta charset="utf-8">
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<head><title>pwm</title>
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<script type="text/javascript">
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var isMouseDown = false;
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document.onmousedown = function() { isMouseDown = true };
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document.onmouseup = function() { isMouseDown = false };
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function round(x, a){
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return(Math.round(x * a) / a)
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}
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function clamp(x, a){
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return((-a < x) ? ((a < x) ? (a) : (x)) : (-a));
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}
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function svm(u, v, w, mode, center){
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switch(mode){
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case "std":
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u += 0.5;
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v += 0.5;
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w += 0.5;
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break;
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case "svm":
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var uv = v - u;
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var vw = w - v;
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var wu = u - w;
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if(Math.abs(uv) > Math.abs(vw)){
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if(Math.abs(uv) > Math.abs(wu)){ // uv
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u = -uv / 2.0;
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v = uv / 2.0;
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w = v + vw;
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}
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else{ // wu
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u = wu / 2.0;
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w = -wu / 2.0;
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v = u + uv;
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}
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}
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else{
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if(Math.abs(vw) > Math.abs(wu)){ // vw
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v = -vw / 2.0;
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w = vw / 2.0;
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u = w + wu;
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}
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else{ // wu
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u = wu / 2.0;
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w = -wu / 2.0;
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v = u + uv;
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}
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}
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u += 0.5;
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v += 0.5;
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w += 0.5;
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break;
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case "flat bottom svm":
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if(u < v){
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if(u < w){
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v -= u;
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w -= u;
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u = 0.0;
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}
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else{
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u -= w;
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v -= w;
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w = 0.0;
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}
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}
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else{
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if(v < w){
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u -= v;
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w -= v;
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v = 0.0;
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}
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else{
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u -= w;
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v -= w;
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w = 0.0;
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}
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}
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}
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var radio = document.getElementById('df');
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if(radio){
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radio.innerHTML += "<br>PWM_U = " + round(u, 100) + "<br>PWM_V = " + round(v, 100) + "<br>PWM_W = " + round(w, 100);
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}
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// var canvas = document.getElementById('canvas_plot');
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// if (canvas.getContext){
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// var ctx = canvas.getContext('2d');
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//
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//
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// ctx.save();
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// ctx.translate(canvas.width / 2, canvas.height / 2);
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//
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// ctx.moveTo(0, 0);
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// ctx.lineTo(Math.cos(0 / 3 * 2 * Math.PI) * (u - 0.5) * canvas.width, Math.sin(0 / 3 * 2 * Math.PI) * (u - 0.5) * canvas.height);
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// ctx.moveTo(0, 0);
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// ctx.lineTo(Math.cos(1 / 3 * 2 * Math.PI) * (v - 0.5) * canvas.width, Math.sin(1 / 3 * 2 * Math.PI) * (v - 0.5) * canvas.height);
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// ctx.moveTo(0, 0);
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// ctx.lineTo(Math.cos(2 / 3 * 2 * Math.PI) * (w - 0.5) * canvas.width, Math.sin(2 / 3 * 2 * Math.PI) * (w - 0.5) * canvas.height);
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//
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//
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// ctx.stroke();
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// ctx.restore();
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// }
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draw(u, v, w, center);
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}
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function draw_vec(x, y){
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y *= -1;
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var canvas = document.getElementById('canvas_plot');
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if (canvas.getContext){
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var ctx = canvas.getContext('2d');
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var w = canvas.width;
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var h = canvas.height;
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//clear
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ctx.clearRect(0, 0, w, h);
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ctx.beginPath();
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ctx.save();
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ctx.translate(w / 2, h / 2);
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// limit circle
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ctx.arc(0, 0, h / 2, 0, 2 * Math.PI);
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ctx.arc(0, 0, h / 2 * 2 / Math.sqrt(3), 0, 2 * Math.PI);
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// labels
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ctx.font = "12px serif";
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ctx.fillText("A", w / 2 - 24, 4);
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ctx.fillText("B", -4, 10 - h / 2);
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//ctx.fillText("V", Math.cos(1 / 3 * 2 * Math.PI) * w / 2, Math.sin(120 / 180 * Math.PI) * h / 2);
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//ctx.fillText("W", Math.cos(2 / 3 * 2 *Math.PI) * w / 2, Math.sin(240 / 180 * Math.PI) * h / 2 + 10);
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//ctx.fillText("W", -4, 10 - h / 2);
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// vector
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// voltage
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ctx.moveTo(0, 0);
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ctx.lineTo(x * w, y * h);
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// a, b
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ctx.moveTo(0, 0);
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ctx.lineTo(x * w, 0);
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ctx.moveTo(0, 0);
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ctx.lineTo(0, y * h);
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ctx.stroke();
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ctx.restore();
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}
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}
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function draw(u, v, w, align) {
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u = round(1-u, 250) * 250;
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v = round(1-v, 250) * 250;
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w = round(1-w, 250) * 250;
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var canvas = document.getElementById('canvas');
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if (canvas.getContext){
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var ctx = canvas.getContext('2d');
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//clear
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ctx.clearRect(0, 0, canvas.width, canvas.height);
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ctx.beginPath();
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// axis
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ctx.moveTo(15,0);
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ctx.lineTo(15, 100);
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ctx.lineTo(515, 100);
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// labels
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ctx.font = "12px serif";
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ctx.fillText("U", 0, 30);
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ctx.fillText("V", 0, 60);
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ctx.fillText("W", 0, 90);
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// UVW waves
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switch(align){
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case "center":
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ctx.moveTo(15,35);
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ctx.lineTo(u + 15, 35);
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ctx.lineTo(u + 15, 25);
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ctx.lineTo(515 - u, 25);
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ctx.lineTo(515 - u, 35);
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ctx.lineTo(515, 35);
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ctx.moveTo(15,65);
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ctx.lineTo(v + 15, 65);
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ctx.lineTo(v + 15, 55);
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ctx.lineTo(515 - v, 55);
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ctx.lineTo(515 - v, 65);
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ctx.lineTo(515, 65);
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ctx.moveTo(15,95);
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ctx.lineTo(w + 15, 95);
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ctx.lineTo(w + 15, 85);
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ctx.lineTo(515 - w, 85);
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ctx.lineTo(515 - w, 95);
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ctx.lineTo(515, 95);
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break;
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case "right":
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ctx.moveTo(15,35);
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ctx.lineTo(u + 15, 35);
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ctx.lineTo(u + 15, 25);
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ctx.lineTo(265, 25);
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ctx.lineTo(265, 35);
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ctx.lineTo(u + 265, 35);
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ctx.lineTo(u + 265, 25);
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ctx.lineTo(515, 25);
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ctx.moveTo(15,65);
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ctx.lineTo(v + 15, 65);
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ctx.lineTo(v + 15, 55);
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ctx.lineTo(265, 55);
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ctx.lineTo(265, 65);
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ctx.lineTo(v + 265, 65);
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ctx.lineTo(v + 265, 55);
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ctx.lineTo(515, 55);
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ctx.moveTo(15,95);
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ctx.lineTo(w + 15, 95);
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ctx.lineTo(w + 15, 85);
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ctx.lineTo(265, 85);
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ctx.lineTo(265, 95);
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ctx.lineTo(w + 265, 95);
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ctx.lineTo(w + 265, 85);
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ctx.lineTo(515, 85);
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break;
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case "left":
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ctx.moveTo(15, 25);
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ctx.lineTo(265 - u, 25);
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ctx.lineTo(265 - u, 35);
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ctx.lineTo(265, 35);
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ctx.lineTo(265, 25);
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ctx.lineTo(515 - u, 25);
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ctx.lineTo(515 - u, 35);
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ctx.lineTo(515, 35);
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ctx.moveTo(15, 55);
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ctx.lineTo(265 - v, 55);
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ctx.lineTo(265 - v, 65);
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ctx.lineTo(265, 65);
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ctx.lineTo(265, 55);
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ctx.lineTo(515 - v, 55);
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ctx.lineTo(515 - v, 65);
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ctx.lineTo(515, 65);
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ctx.moveTo(15, 85);
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ctx.lineTo(265 - w, 85);
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ctx.lineTo(265 - w, 95);
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ctx.lineTo(265, 95);
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ctx.lineTo(265, 85);
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ctx.lineTo(515 - w, 85);
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ctx.lineTo(515 - w, 95);
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ctx.lineTo(515, 95);
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}
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ctx.stroke();
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}
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}
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function update(){
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var mode = "std";
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var align = "left";
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var a = 0.0;
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var b = 0.0;
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var u = 0.0;
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var v = 0.0;
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var w = 0.0;
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var radio = document.getElementById('radio_std');
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if(radio){
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if(radio.checked){
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mode = "std";
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}
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}
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radio = document.getElementById('radio_svm');
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if(radio){
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if(radio.checked){
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mode = "svm";
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}
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}
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radio = document.getElementById('radio_fbsvm');
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if(radio){
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if(radio.checked){
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mode = "flat bottom svm";
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}
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}
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radio = document.getElementById('radio_left');
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if(radio){
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if(radio.checked){
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align = "left";
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}
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}
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radio = document.getElementById('radio_right');
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if(radio){
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if(radio.checked){
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align = "right";
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}
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}
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radio = document.getElementById('radio_center');
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if(radio){
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if(radio.checked){
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align = "center";
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}
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}
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radio = document.getElementById('range_a');
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if(radio){
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a = radio.value;
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}
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radio = document.getElementById('range_b');
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if(radio){
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b = radio.value;
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}
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u = a * 1.0; // inverse clarke
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v = - a / 2.0 + b / 2.0 * Math.sqrt(3);
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w = - a / 2.0 - b / 2.0 * Math.sqrt(3);
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u = clamp(u, 0.5);
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v = clamp(v, 0.5);
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w = clamp(w, 0.5);
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radio = document.getElementById('df');
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if(radio){
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radio.innerHTML = "A = " + round(a, 100) + "<br>B = " + round(b, 100) + "<br>U = " + round(u, 100) + "<br>V = " + round(v, 100) + "<br>W = " + round(w, 100);
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}
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draw_vec(a, b);
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svm(u, v, w, mode, align);
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}
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function set_ab(e){
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if(isMouseDown){
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var mouseX, mouseY;
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if(e.offsetX) {
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mouseX = e.offsetX;
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mouseY = e.offsetY;
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}
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else if(e.layerX) {
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mouseX = e.layerX;
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mouseY = e.layerY;
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}
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var canvas = document.getElementById('canvas_plot');
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if (canvas.getContext){
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var radio = document.getElementById('range_a');
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if(radio){
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radio.value = (mouseX - canvas.width / 2) / canvas.width;
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}
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radio = document.getElementById('range_b');
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if(radio){
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radio.value = -(mouseY - canvas.height / 2) / canvas.height;
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}
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}
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update();
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}
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}
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</script>
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</head>
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<style type="text/css">
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input:button {width : 500px}
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</style>
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<body onload="update();">
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<canvas id="canvas" width="550" height="100">
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not supported
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</canvas>
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<canvas id="canvas_plot" width="200" height="200" onmousedown="isMouseDown = true; set_ab(event);" onmousemove="set_ab(event);">
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not supported
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</canvas><br>
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<input type="radio" id="radio_std" name="mode" onclick="update();" checked="checked">std<br>
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<input type="radio" id="radio_svm" name="mode" onclick="update();">SVM<br>
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<input type="radio" id="radio_fbsvm" name="mode" onclick="update();">flat bottom SVM<br>
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<input type="radio" id="radio_left" name="align" onclick="update();">left pwm<br>
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<input type="radio" id="radio_right" name="align" onclick="update();">right pwm<br>
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<input type="radio" id="radio_center" name="align" onclick="update();"" checked="checked">center pwm<br>
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<input type="range" id="range_a" onchange="update();" oninput="update();" min="-0.5" max="0.5" step="0.01" value="0.0">A<br>
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<input type="range" id="range_b" onchange="update();" oninput="update();" min="-0.5" max="0.5" step="0.01" value="0.0">B<br>
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<a id="df"></a>
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</body>
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</html>
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