FeedbackTest

Computes the difference between two input signals.

The FeedbackTest component demonstrates a basic feedback mechanism by subtracting the value of one constant (2) from another constant (1), resulting in an output of -1. This illustrates the core functionality of a feedback control system where one signal is subtracted from another.

Usage

BlockComponents.FeedbackTest()

Behavior

$$\left[\begin{array}{c}\mathrm{connect}(c{1}_{+}y(t),feedbac{k}_{+}u1(t))\\ \mathrm{connect}(c{2}_{+}y(t),feedbac{k}_{+}u2(t))\\ \mathtt{c}\mathtt{1.}\mathtt{y}\left(t\right)=\mathtt{c}\mathtt{1.}\mathtt{k}\\ \mathtt{c}\mathtt{2.}\mathtt{y}\left(t\right)=\mathtt{c}\mathtt{2.}\mathtt{k}\\ \mathtt{feedback}\mathtt{.}\mathtt{y}\left(t\right)=-\mathtt{feedback}\mathtt{.}\mathtt{u}\mathtt{2}\left(t\right)+\mathtt{feedback}\mathtt{.}\mathtt{u}\mathtt{1}\left(t\right)\end{array}\right]$$

Source

"""
Computes the difference between two input signals.

The `FeedbackTest` component demonstrates a basic feedback mechanism by subtracting the value of
one constant (2) from another constant (1), resulting in an output of -1. This illustrates the
core functionality of a feedback control system where one signal is subtracted from another.
"""
test component FeedbackTest
  "Constant block with value 1 that provides the primary input signal"
  c1 = Constant(k = 1) {
    "Dyad": {
      "placement": {
        "diagram": {"iconName": "default", "x1": 80, "y1": 90, "x2": 180, "y2": 190, "rot": 0}
      }
    }
  }
  "Constant block with value 2 that provides the feedback signal to be subtracted"
  c2 = Constant(k = 2) {
    "Dyad": {
      "placement": {
        "diagram": {"iconName": "default", "x1": 80, "y1": 300, "x2": 180, "y2": 400, "rot": 0}
      }
    }
  }
  "Feedback block that subtracts the second input from the first"
  feedback = Feedback() {
    "Dyad": {
      "placement": {
        "diagram": {"iconName": "default", "x1": 360, "y1": 170, "x2": 460, "y2": 270, "rot": 0}
      }
    }
  }
relations
  "Connects the output of constant block c1 to the primary input of the feedback block"
  connect(feedback.u1, c1.y) {
    "Dyad": {
      "edges": [{"S": 1, "M": [{"x": 300, "y": 190}, {"x": 300, "y": 140}], "E": 2}],
      "renderStyle": "standard"
    }
  }
  "Connects the output of constant block c2 to the feedback input of the feedback block"
  connect(feedback.u2, c2.y) {
    "Dyad": {
      "edges": [{"S": 1, "M": [{"x": 300, "y": 250}, {"x": 300, "y": 350}], "E": 2}],
      "renderStyle": "standard"
    }
  }
metadata {
  "Dyad": {
    "icons": {"default": "dyad://BlockComponents/Example.svg"},
    "tests": {"case1": {"stop": 5, "expect": {"final": {"feedback.y": -1}}}}
  }
}
end

Flattened Source

"""
Computes the difference between two input signals.

The `FeedbackTest` component demonstrates a basic feedback mechanism by subtracting the value of
one constant (2) from another constant (1), resulting in an output of -1. This illustrates the
core functionality of a feedback control system where one signal is subtracted from another.
"""
test component FeedbackTest
  "Constant block with value 1 that provides the primary input signal"
  c1 = Constant(k = 1) {
    "Dyad": {
      "placement": {
        "diagram": {"iconName": "default", "x1": 80, "y1": 90, "x2": 180, "y2": 190, "rot": 0}
      }
    }
  }
  "Constant block with value 2 that provides the feedback signal to be subtracted"
  c2 = Constant(k = 2) {
    "Dyad": {
      "placement": {
        "diagram": {"iconName": "default", "x1": 80, "y1": 300, "x2": 180, "y2": 400, "rot": 0}
      }
    }
  }
  "Feedback block that subtracts the second input from the first"
  feedback = Feedback() {
    "Dyad": {
      "placement": {
        "diagram": {"iconName": "default", "x1": 360, "y1": 170, "x2": 460, "y2": 270, "rot": 0}
      }
    }
  }
relations
  "Connects the output of constant block c1 to the primary input of the feedback block"
  connect(feedback.u1, c1.y) {
    "Dyad": {
      "edges": [{"S": 1, "M": [{"x": 300, "y": 190}, {"x": 300, "y": 140}], "E": 2}],
      "renderStyle": "standard"
    }
  }
  "Connects the output of constant block c2 to the feedback input of the feedback block"
  connect(feedback.u2, c2.y) {
    "Dyad": {
      "edges": [{"S": 1, "M": [{"x": 300, "y": 250}, {"x": 300, "y": 350}], "E": 2}],
      "renderStyle": "standard"
    }
  }
metadata {
  "Dyad": {
    "icons": {"default": "dyad://BlockComponents/Example.svg"},
    "tests": {"case1": {"stop": 5, "expect": {"final": {"feedback.y": -1}}}}
  }
}
end

Test Cases

Test Case case1

Related

• Examples

• Experiments

• Analyses

• Tests

  • Constant

  • Feedback