[MAS.865](../index.html) > Motion
## Motors and Actuators
#### Basic Mechanisms
[Ashby's paper characetrizing basic building blocks for actuation.](papers/ashby-actuators.pdf)
[An update](papers/new-materials-for-micro-a-review.pdf)
- see Magnetic Shape Memory Alloys
We develop an [Ashby Chart for Actuators](https://jakeread.pages.cba.mit.edu/actuators/).
### By Type
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#### Rotary Actuators
- [Brushless Motors](brushless/index.html)
- [Stepper Motors](steppers/index.html)
- [Variable Reluctance](variable_reluctance/index.html)
- [Servo](servo/index.html)
- [Electropermanent](electropermanent/index.html)
- [Turbines](turbines/index.html)
#### Linear Actuators
- [Linear Motor](linear/index.html)
- [Sawyer Motors](sawyer/index.html)
- [Voice Coil Actuator](voiceCoil/index.html)
- Humble Solenoid?
#### Fluidic
- [Pneumatic](pneumatic/index.html)
- [Hydraulic](hydraulic/index.html)
- [Soft](soft/index.html)
#### Solid State Actuation
- [Piezoelectric](piezoelectric/index.html)
- [Dielectric](dielectric/index.html)
- [Thermal](thermal/index.html)
#### Mechanisms
- [Jamming](jamming/index.html)