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Active Yaw Stabilization for Smooth, Highly Maneuverable Underwater Vehicles

[+] Author Affiliations
Anirban Mazumdar, Aaron Fittery, Martin Lozano, H. Harry Asada

Massachusetts Institute of Technology, Cambridge, MA

Paper No. DSCC2012-MOVIC2012-8693, pp. 195-201; 7 pages
doi:10.1115/DSCC2012-MOVIC2012-8693
From:
  • ASME 2012 5th Annual Dynamic Systems and Control Conference joint with the JSME 2012 11th Motion and Vibration Conference
  • Volume 2: Legged Locomotion; Mechatronic Systems; Mechatronics; Mechatronics for Aquatic Environments; MEMS Control; Model Predictive Control; Modeling and Model-Based Control of Advanced IC Engines; Modeling and Simulation; Multi-Agent and Cooperative Systems; Musculoskeletal Dynamic Systems; Nano Systems; Nonlinear Systems; Nonlinear Systems and Control; Optimal Control; Pattern Recognition and Intelligent Systems; Power and Renewable Energy Systems; Powertrain Systems
  • Fort Lauderdale, Florida, USA, October 17–19, 2012
  • Conference Sponsors: Dynamic Systems and Control Division
  • ISBN: 978-0-7918-4530-1
  • Copyright © 2012 by ASME

abstract

This paper describes the development of a robot that combines a powerful propeller with a pump-valve system that enables high maneuverability. In order to reduce size and improve turning performance, the design does not include external stabilizers such as fins. Therefore the robot is directionally unstable (yaw direction). In this work we outline the design of a linear stabilizing controller that does not require complicated flow sensors and instead simply uses angle and rate measurements. The linear controller was simulated and then implemented on a prototype robot. Preliminary results reveal that this stabilization method works to enable straight motions and is also able to reject substantial disturbances.

Copyright © 2012 by ASME

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