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Aerospace Dynamics Lab
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The lab uses mechanics to explain motion, from the flapping of butterfly wings to space robots.
AboutAbout the lab
From animal wisdom to spacecraft control
The Aerospace Dynamics Lab conducts basic research and develops basic technologies for the analysis of the dynamics and the motion control of aerospace vehicles.
Aerospace vehicles are complex mechanical systems made of many rigid and elastic bodies joined together, and they perform advanced tasks in changing environments.
The lab works on modeling and simulation of complex mechanical systems, control of nonlinear motion, and intelligent control based on environment recognition and learning.
Key terms
- Entrainment
- A phenomenon in which, in a nonlinear system, motion naturally settles into a fixed rhythm even in the presence of fluctuations
- Neural network
- A computational method modeled on the workings of biological brains, which learns from data
- Solar power satellite
- A large artificial satellite, proposed in a concept, that generates solar power in space and transmits the electricity to the ground
ResearchResearch themes
Based on an understanding of mechanics and of the intelligence in animal movement, the lab studies intelligent control and system design for aerospace systems.
*Illustrative imageLearning from butterfly flapping
Focusing on how butterflies flap their wings, the lab investigates whether the adaptability that lets them keep flying despite disturbances such as wind can be achieved through entrainment, a stabilizing phenomenon in nonlinear systems, and explores ways of realizing it with neural networks.
*Illustrative imageDynamics and intelligence of space robots
A space robot has no fixed point, so moving its arm changes the attitude of its body through reaction. The lab has developed control methods that exploit the law of conservation of momentum, and is also advancing intelligent control using neural networks and learning.
*Illustrative imageLegged planetary exploration rovers
As small rovers for autonomous exploration of the Moon and planets, the lab studies insect-type robots with legs. It has developed a rover with an original leg mechanism that can climb steps higher than wheels can.
*Illustrative imageDesigning large solar power satellites
Toward the concept of solar power satellites spanning several kilometers, the lab studies the design of the whole system, taking orbital motion, attitude motion, and elastic deformation into account, based on laboratory model experiments and numerical analysis.
MembersFaculty
The faculty member of the Aerospace Dynamics Lab is Professor Kei Senda.
- ProfessorKei Senda
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Report an errorAbout the images
The top and research theme images are illustrative and were not taken at the lab. They are cropped from Wikimedia Commons images. Cropped CC BY-SA images are provided under the same CC BY-SA license as the original (version shown on each line).
- Top image: “Common mime (Papilio clytia) form dissimilis in flight Luang Prabang” Charles J. Sharp / CC BY-SA 4.0 (cropped)
- Learning from butterfly flapping: “Novice butterfly (Amauris ochlea) in flight” Charles J. Sharp / CC BY-SA 4.0 (cropped)
- Dynamics and intelligence of space robots: “Canadarm2 during Expedition 62 (ISS062-E-055099)” NASA / Public domain (cropped)
- Legged planetary exploration rovers: “Hexapod walking robot” Mdenton (talk) (Uploads) / Public domain (cropped)
- Designing large solar power satellites: “Stages of space-based solar power ESA24961672” European Space Agency / CC BY-SA 3.0 igo (cropped)
- Related lab (Propulsion Engineering Lab): “Xenon hall thruster” Jet Propulsion Laboratory / Public domain (cropped)
- Related lab (Control Engineering Lab): “Quadcopter Drone in flight” Project Kei / CC BY-SA 4.0 (cropped)
- Related lab (Functional Structural Mechanics Lab): “Ultrasonic pipeline test” w:en:User:Davidmack / Public domain (cropped)
- Related lab (Energy Conversion Engineering Lab): “Casing of a main circulation pump from the Greifswald Nuclear Power Plant” Siarhei Besarab / CC BY-SA 4.0 (cropped)
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