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smart actuators
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Smart Actuators
Whats SMA?
In metallurgy, a shape-memory alloy (SMA) is an alloy that can be deformed when cold but returns to its pre-deformed ("remembered") .
3. Methods
Example
Schematics of a conceptual tablecloth-trick latch mechanism, based on fast SMA actuation
What Are the Different Types of Actuators?
2. Introduction
Hydraulic Actuators
pros and cons
Safety
Force
Mobility
1
Initial investment
Leakage
Maintenance
Pneumatic Actuators
Shorter life cycle
Limited power
Fast
2
Economical
Temperature
Simple
Electrical Actuators
3
Costly
Complicated
Weak
Precise
Clean
Fast
SMA
Abstract
Conventional actuators used are electrical, hydraulic and pneumatic, but they have difficulties in generating significant forces when their size and weight are scaled down. Non conventional or active materials are a class of materials that can be deformed upon the application of a control signal, which may be good alternatives to conventional actuators. They are more space-efficient and can lead to low-weight actuation systems.
1. Abstract
REFERENCES:
1. https://www.researchgate.net/publication/249356974_One-Dimensional_Thermomechanical_Constitutive_Relations_for_Shape_Memory_Materials
2. https://www.researchgate.net/publication/358565034_Smart_Actuators_A_Review?enrichId=rgreq-a54c8dd907ec705f5e9d483f75d1ed27-XXX&enrichSource=Y292ZXJQYWdlOzM1ODU2NTAzNDtBUzoxMTIyNzQwNzY5NzAxODkxQDE2NDQ2OTM2Njc1NDQ%3D&el=1_x_2&_esc=publicationCoverPdf
3. https://www.hoffmann-kunststoffe.de/shape-memory-actuators-smart-materials-with-great-forces/
4. Reference
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