An Investigation Into the Characteristics of a Two Dimensional "2D" Flow Control Valve
In hydraulic servo systems, a pilot stage is often used to reduce the influence of Bernoulli's forces and frictional forces when trying to accurately position a spool. A unique pilot controlled valve ...
In hydraulic servo systems, a pilot stage is often used to reduce the influence of Bernoulli's forces and frictional forces when trying to accurately position a spool. A unique pilot controlled valve ...
Robust Adaptive Compensation for a Class of Nonlinear Systems
A robust adaptive design method is proposed for the on-line compensation of uncertainties, for a class of nonlinear systems. As an extension of previous work, the adaptive part of the control law uses...
A robust adaptive design method is proposed for the on-line compensation of uncertainties, for a class of nonlinear systems. As an extension of previous work, the adaptive part of the control law uses...
Feedback Stabilization of a Class of Unstable Nonholonomic Systems
J. Dyn. Sys., Meas., Control -- March 2002 -- Volume 124, Issue 1, 221 (10 pages)
doi:10.1115/1.1433479
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Author(s):
Bill Goodwine
Aerospace and Mechanical engineering, University of Notre Dame, Notre Dame, IN 46556
Milo
efran
Electrical Engineering and Computer Science, The University of Illinois at Chicago, Chicago, IL 60607
Bill Goodwine
Aerospace and Mechanical engineering, University of Notre Dame, Notre Dame, IN 46556
Milo
Electrical Engineering and Computer Science, The University of Illinois at Chicago, Chicago, IL 60607
This paper considers the design of nonlinear stabilizing controllers for a class of systems which exhibit unstable rolling dynamics or shimmy. Such systems can be used, for example, to approximate the complex dynamics of an aircraft landing gear structure. The controllers are designed using the well-known nonlinear control technique known as feedback linearization and some recent results pertaining to stability of hybrid systems. We consider three models of a system exhibiting shimmy, each progressively more sophisticated than the other and in each case we derive the controllers that stabilize the system. An interesting conclusion of this study is that the models that are more complex can be stabilized with simpler controllers.
©2002 ASME
| History: | Received October 11, 2000 | |
| doi: | http://dx.doi.org/10.1115/1.1433479 | |
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