Year 10 - Design and technology
Motors
Systems approach to design: Sustainable Futures
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This pupil-friendly study guide includes a unit summary, clear notes, common mistakes, and quick questions with answers.
Unit Summary
Pupils will develop knowledge of electronic components and a systems approach to designing. They will learn about different components and use these to build and test circuits for different purposes. They will design a system to control a greenhouse environment, considering the different variables.
Lesson Summary
You will learn to explain the function of different motors and use them as output components in a control system.
Key Notes
- Motors can be used to create movement in a control system.
- A current carrying wire in a uniform magnetic field is forced to move; we use this movement to make motors.
- DC motors are most suitable for applications where continuous rotation is needed.
- Servo motors control position, speed, and torque. They are suitable for applications where precision is required.
Vocabulary To Learn
- direct current (DC): the electric current flows in one direction only
- torque: a force that makes something rotate
- servo motor: a motor that uses a closed-loop system to ensure accurate and precise control of their position, speed, and torque
- uniform magnetic field: a magnetic field that has the same strength everywhere with evenly spaced field lines
Common Mistakes To Avoid
- All motors operate in the same way.
3 Quick Questions (With Answers)
1. Explain the lesson in two key points.
Motors can be used to create movement in a control system. A current carrying wire in a uniform magnetic field is forced to move; we use this movement to make motors.
2. What does this key word mean in this lesson? 'direct current (DC)'
the electric current flows in one direction only.
3. Correct this common mistake.
Mistake: All motors operate in the same way. Correction: DC motors use open-loop systems, and servo motors use a closed-loop system.
More Lessons In This Unit
- 3D model using Extrude and the Timeline in Fusion Study Guide
- Assemble, test and refine systems Study Guide
- Assembly modelling in Fusion Study Guide
- Buzzers Study Guide
- Create, modify and constrain 2D sketches in Fusion Study Guide
- Data logging Study Guide
- Design for additive manufacturing with Fusion Study Guide
- Electronic calculations Study Guide
- Fusion fundamentals Study Guide
- Input components Study Guide
- LEDs Study Guide
- Physical materials and appearances in Fusion Study Guide
- Systems approach to design Study Guide
- Technical drawings in Fusion Study Guide
- Virtual and physical testing of systems Study Guide
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