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A1.3 Operating systems and control systemsA1.3.7

Control systems in real-world applications

Explain the use of control systems in a range of real-world applications

HL only≈ 45 minCommand term: ExplainPremium

In this lesson

  • How sensors, controllers, actuators and feedback work together in real systems
  • Examples: autonomous vehicles, thermostats, lifts, washing machines, traffic signals, irrigation, home security and automatic doors
  • Why most of these systems use closed-loop control, and what can go wrong

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What's inside

  1. LearnHow to explain a control system
  2. ReferenceEight real-world control systems
  3. LabIrrigation: timer or sensor?
  4. CheckMatch each sensor to a system that uses it
  5. LearnA closer look
  6. CheckQuick check
  7. CheckOrder the steps
  8. ExamWorked exam answer
  9. ReviewMistakes examiners see
  10. Exam practiceExam-style questions

Ends with 5 exam-style questions worth 14 marks, with a self-marking markscheme.