dPID: A Python ‘homework’ exercise

Write an (discrete) PID-controller, for fun and exercise.

Updated on 2023/10/01

Updated the dPID exercise, with Python Type Hints. And Use it more generic. Although it still an python exercise, one can also implemented it in f.e. C++

A basic class definition is given; which has to be tested and implemented. By starting with the test-part, which is advisable anyhow (the TDD approach), the exercise starts simple.

A few test-examples are also given. This file can be used as ‘template’ to write your own tests.

dPID articles

• dPID: The dPID class
  • dPID
    • dPID.setpoint()
    • dPID.measured()
    • dPID.result()
    • dPID.set_min_max()
• dPID: Exercise
  • TDD-approach
    • Test first
    • Code second
    • And improve (refactor)
• dPID: The code
  • Some (py)test examples
  • The class (empty)
  • Downloads
• Pytest introduction
  • Example
  • Conventions
  • OK or NOK: Assert on failure

See also

Links

• https://pytest.readthedocs.io/

• https://en.wikipedia.org/wiki/PID_controller

• https://en.wikipedia.org/wiki/Test-driven_development

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