jlocus/index.html at main · Moztoo/jlocus · GitHub

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
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8" />
  <meta name="viewport" content="width=device-width,initial-scale=1" />
  <title>Dynamic Systems Evaluator</title>

  <!-- Plotly -->
  <script src="https://cdn.plot.ly/plotly-2.30.0.min.js"></script>

  <!-- KaTeX -->
  <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/katex@0.16.10/dist/katex.min.css">
  <script defer src="https://cdn.jsdelivr.net/npm/katex@0.16.10/dist/katex.min.js"></script>
  <script defer src="https://cdn.jsdelivr.net/npm/katex@0.16.10/dist/contrib/auto-render.min.js"></script>

  <meta property="og:title" content="JLocus – Interactive Control System Visualizer" />
  <meta property="og:type" content="website" />
  <meta property="og:description" content="An educational, browser-based tool for visualizing control systems, step responses, and root locus using JavaScript." />
  <meta property="og:url" content="https://moztoo.github.io/jlocus/" />
  <meta property="og:image" content="https://moztoo.github.io/jlocus/img/preview.jpg" />


  <link rel="stylesheet" href="./styles.css" />
</head>

<body>
  <header>
    <div class="title">
      <h1>Dynamic Systems Evaluator</h1>
      <div class="sub">Root locus · Time response · Bode (σ = 0) · Minimal dark UI</div>
    </div>
  </header>

  <main class="app">
    <!-- Left: Controls -->
    <section class="card">
      <div class="hd">
        <div class="label">Model</div>
        <div class="tiny">Coefficients in descending powers</div>
      </div>
      <div class="bd">
        <div class="row">
          <div class="col">
            <label for="numIn">num = []</label>
            <input id="numIn" type="text" value="[1]" spellcheck="false" />
          </div>
          <div class="col">
            <label for="denIn">den = []</label>
            <input id="denIn" type="text" value="[1, 2, 1]" spellcheck="false" />
          </div>
        </div>

        <div class="spacer"></div>

        <label>Plant gain K (before G(s))</label>
        <div class="kwrap">
          <input id="kSlider" type="range" min="0" max="100" step="0.1" value="1" />
          <input id="kInput" class="kbox" type="text" value="1.0" spellcheck="false" />
        </div>

        <div class="spacer"></div>

        <div class="row">
          <div class="col">
            <label for="inputType">Input type (time response)</label>
            <select id="inputType">
              <option value="step">Step</option>
              <option value="impulse">Impulse</option>
              <option value="ramp">Ramp</option>
            </select>
          </div>
          <div class="col">
            <label for="tFinal">Final time (s)</label>
            <input id="tFinal" type="text" value="10" spellcheck="false" />
          </div>
        </div>

        <div class="btnbar">
          <button id="updateBtn">Update all</button>
          <button id="resetBtn" class="danger">Reset</button>
        </div>

        <div id="status" class="status">Ready. Change num/den/K and update.</div>

        <div class="spacer"></div>

        <label>Transfer function (LaTeX)</label>
        <div class="latexBox">
          <div id="latexOut"></div>
        </div>

        <div class="spacer"></div>

        <label>Block diagram</label>
        <div class="block" id="blockDiagram"></div>

        <div class="tiny mt10">
          Convention: plant gain <b>K</b> with unity feedback ⇒ characteristic <code>D(s)+K N(s)=0</code>.
        </div>
      </div>
    </section>

    <!-- Right: Charts -->
    <section class="charts">
      <div class="card">
        <div class="hd"><div class="label">Plot 1 · Root locus</div></div>
        <div class="bd"><div id="plotRloc" class="plot"></div></div>
      </div>

      <div class="card">
        <div class="hd"><div class="label">Plot 2 · Time response</div></div>
        <div class="bd"><div id="plotTime" class="plot"></div></div>
      </div>

      <div class="card">
        <div class="hd"><div class="label">Plot 3 · Bode (σ = 0 → s = jω)</div></div>
        <div class="bd"><div id="plotBode" class="plot"></div></div>
      </div>

      <div class="card">
        <div class="hd"><div class="label">Plot 4 · Placeholder</div></div>
        <div class="bd"><div id="plot4" class="plot"></div></div>
      </div>
    </section>
  </main>

  <script type="module" src="./js/main.js"></script>
</body>
</html>