6.3. Actuation Mechanisms in MEMS

Try these first

1. 1.

   What principle does electrostatic actuation rely on?

   Hint

   Think about how charges interact.

2. 2.

   Name an application of shape memory alloy actuation.

   Hint

   Consider devices that respond to heat.

3. 3.

   What is the principle behind thermal actuation?

   • Chemical Reaction
   • Thermal Expansion
   • Electromagnetic Induction

   Hint

   Think about how materials behave with temperature changes.

4. 4.

   True or False: Electrostatic actuation can generate significant forces without needing high power.

   • True
   • False

   Hint

   Consider the power usage of different actuation methods.

5. 5.

   Design a MEMS actuator using a combination of actuation types. Describe how you would integrate electrostatic and thermal actuation.

   Hint

   Consider the advantages of both methods to create a versatile actuator.

6. 6.

   Evaluate the potential of using magnetic actuation in micro-robotics. Discuss benefits and challenges.

   Hint

   Think about the applications of robots with different motion requirements.