A5037483480- Micro and Nano Robotics
- Advanced Sensor and Energy Harvesting Materials
- Soft Robotics and Applications
- Advanced Materials and Mechanics
- Modular Robots and Swarm Intelligence
- Robotic Locomotion and Control
- Control and Dynamics of Mobile Robots
- Advanced Fiber Laser Technologies
- Mechanical and Optical Resonators
- Acoustic Wave Resonator Technologies
Georgia Institute of Technology
2019-2021
A bristle-bot or vibrobot is a multi-legged robot made of bristles and an oscillating actuator that generates vibrations. This work presents the first demonstration micro-bristle-bot, with 3D-printed legs, fabricated by two-photon polymerization (TPP) lithography. The presented miniaturized has weight only 5 mg, in size 2 mm × 1.87 0.8 mm, can achieve speed up to 4 times body length per second. base structure six legs TPP direct laser writing single fabrication step, allowing for rapid...
Molecular beam epitaxy is used for growth of structures with ScAlN radio frequency filter applications. The nitride layers are grown directly on Si substrates surface acoustic wave resonators, Lamb and an epitaxial Mo Er 2 O 3 buffer layer film bulk resonators (FBARs). crystal structure the defined by Sc concentration. It can vary from wurtzite to hexagonal. Good quality results in low sheet resistance which very close that material. Enhanced electroacoustic performance achieved fabricated...
This paper presents a novel steering mechanism, which leads to frequency-controlled locomotion demonstrated for the first time in micro bristle robots. The miniaturized robots are 3D-printed, 12 mm × 8 6 size, with feature sizes down 400 µm. can be steered by utilizing distinct resonance behaviors of asymmetrical sets. left and right sets bristles have different diameters, thus stiffnesses resonant frequencies. unique response each side vertical vibrations single on-board piezoelectric...
This work presents micro-scale bristle robots, with the size of 233 μm × 113 75 μm, having five bristles on top and bottom sides robot body. The are tilted 60° from horizontal surface. presented micro bristle-bots fabricated using two-photon lithography direct laser write, followed by nickel (Ni) deposition as magnetic material. A single electromagnet lying underneath substrate is used to actuate robots. field applies a torque layer body and, combined ON/OFF switching field, induces rocking...
The recent advancements in nanoscale 3D printing and microfabrication techniques have reinvigorated research on microrobots. However, precise motion control of the microrobots biological environments using compact actuation setups remains challenging to date. This work presents a novel mechanism contact design that enables bidirectional steering via biasing neutral position microrobot. Equipped with rockers substrate, microrobot, hence microrocker bot, is capable well-controlled forward...