نتایج جستجو برای: lqg

تعداد نتایج: 870  

2008
Lianfang Tian

This paper presents a new method for the control of Two linkrobotic manipulator systems using Linear-QuadraticGaussian (LQG), in This method Linear-Quadratic-Gaussian (LQG) that is a modern state-space technique for designing optimal dynamic regulators by kalman used for the control of Two linkrobotic manipulator systems. The simulation result are very promising.

2000
Giovanni AMELINO-CAMELIA

I consider the implications for brane-world scenarios of the rather robust quantum-gravity expectation that there should be a quantum minimum limit on the uncertainty of all physical length scales. In order to illustrate the possible significance of this issue, I observe that, according to a plausible estimate, the quantum limit on the length scales that characterize the bulk geometry could aff...

Journal: :Probability and mathematical physics 2021

Recent work has shown that for $\gamma \in (0,2)$, a Liouville quantum gravity (LQG) surface can be endowed with canonical metric. We prove several results concerning geodesics this In particular, we completely classify the possible networks of from typical point on to an arbitrary surface, as well types joining two points which occur dense set pairs surface. This latter result is $\gamma$-LQG ...

1997
W. Gawronski

The feed-forward and linear quadratic Gaussian (LQG) controllers significantly reduced the servo error at higher rate tracking. However, the servo error due to wind disturbances acting on the antenna structure is still significant. This error cannot be reduced by the feed-forward controller and is only moderately reduced by the LQG controller. The H∞ controller design approach gives the possibi...

2008
Casey Lambert

The capabilities of a tri-tethered aerostat positioning system are investigated using simulations of a comprehensively validated dynamics model. The physical system studied consists of a payload supported by a helium filled aerostat and attached to three anchored ground tethers actuated using winches. Closed-loop control is achieved by feeding back the position of a payload located at the confl...

Journal: :CoRR 2016
Rabih Salhab Roland P. Malhamé Jerome Le Ny

We consider within the framework of the Mean Field Games theory a dynamic discrete choice model with social interactions, where a large number of agents/players are choosing between two alternatives while influenced by the group’s behavior. We introduce the “Min-LQG” optimal control problem, a modified Linear Quadratic Gaussian (LQG) optimal control problem that includes a minimum term in its f...

1999
John B. Moore Xun Yu Zhou

This paper presents some studies on partially observed linear quadratic Gaussian (LQG) models where the stochastic disturbances depend on both the states and the controls, and the measurements are bilinear in the noise and the states=controls. While the Separation Theorem of standard LQG design does not apply, suboptimal linear state estimate feedback controllers are derived based on certain li...

2013
DARIUSZ HORLA

An adaptive discrete-time LQG control with loop transfer recovery (LTR) is considered. The control problem is analyzed using state-space model and the parameter estimation problem is implemented for corresponding discrete-time model in transfer function form obtained via ZOH. Thus the direct estimation of model parameters is possible by means of standard RLS or ERLS procedure and the adaptive c...

2013
Roger G. Clowes Kathryn A. Harris Srinivasan Raghunathan Luis E. Campusano Ilona K. Söchting Matthew J. Graham

A large quasar group (LQG) of particularly large size and high membership has been identified in the DR7QSO catalogue of the Sloan Digital Sky Survey. It has characteristic size (volume1/3) ∼500 Mpc (proper size, present epoch), longest dimension ∼1240 Mpc, membership of 73 quasars and mean redshift z̄ = 1.27. In terms of both size and membership, it is the most extreme LQG found in the DR7QSO c...

Journal: :Physical review 2023

This article provides a detailed investigation into the motion of surrounding particles around polymer black hole in loop quantum gravity (LQG). Using effective potential, critical bound orbits and innermost stable circular (ISCO) are analyzed. The study finds that radii angular momentum decrease with an increase parameter $A_\lambda$ which labels LQG effects, while energy ISCO also decreases $...

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