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Explore advanced actuator technologies for microrobotic systems in this 28-minute lecture covering five key types of micro engines. Learn about piezoelectric micro engines and their electrical-to-mechanical energy conversion principles, examine electromagnetic micro engines and their magnetic field-based operation mechanisms, and understand thermal micro engines that utilize temperature differentials for actuation. Discover the unique design and functionality of bimetallic inchworm actuators that exploit differential thermal expansion, and investigate Shape Memory Alloy (SMA) based heat engines that leverage material phase transitions for precise microrobotic control and movement.
