نتایج جستجو برای: tracking control system

تعداد نتایج: 3323889  

2012
J. H. Park

We propose an integral tracking control method for a piezoelectric actuator system. The proposed method achieves the output tracking without requiring any hysteresis observer or schemes to compensate the hysteresis effect. With the proposed control law, the system is converted into the standard singularly perturbed model. Using Tikhonov’s theorem, we guarantee that the tracking error can be red...

2008
Bor-Sen Chen Wen-Hao Chen Fan Hsu Weihai Zhang

In this study, in order to generate a sequence of desired quantum states (or quantum bits) for quantum communication and computation, it is more appealing to formulate a quantum control system as a bilinear state reference tracking system. An optimal tracking control is proposed to achieve the state-tracking by solving a Hamilton-Jacobi equation (HJE). In order to avoid the difficulty in solvin...

Journal: :CoRR 2016
Michele Vespe Maurizio Gibin Alfredo Alessandrini Fabrizio Natale Fabio Mazzarella Giacomo Osio

Information and understanding of fishing activities at sea is a fundamental component of marine knowledge and maritime situational awareness. Such information is important to fisheries science, public authorities and policy makers. In this paper we introduce a first map at European scale of EU fishing activities extracted using Automatic Identification System (AIS) ship tracking data. The resul...

2015
Alan M. Nathan

When a baseball travels through the air, it experiences various forces that determine the trajectory. The most familiar of these forces is the downward pull of gravity FG. Less familiar are the aerodynamic forces, namely the drag force FD and the Magnus force FM . The drag force, or in everyday language “air resistance,” is due to the fact that the ball has to push the air out of the way. Rathe...

ژورنال: کنترل 2021

In designing the anti-lock braking system (ABS), some states and parameters of vehicle system such as road friction of coefficient and wheel slip should be estimated due to lack of cost effective and reliable sensors for direct measurement. Because of nonlinear characteristics of vehicle dynamics and tire forces, development of a nonlinear estimation algorithm is necessary. However, considerati...

To improve the performance of a robust control, in presence of internal or external disturbance and uncertainties, to make a smooth tracking and elimination of high frequency disturbances especially in accurate systems with minimum power consumption an integration of robust optimal controller considered. Here, derivation and implementation of the proposed controller based on the combination of ...

Journal: :CoRR 2012
Quan Quan Kai-Yuan Cai

In this paper, a new control scheme, called additive-state-decomposition-based tracking control, is proposed to solve the tracking (rejection) problem for rotational position of the TORA (a nonlinear nonminimum phase system). By the additive state decomposition, the tracking (rejection) task for the considered nonlinear system is decomposed into two independent subtasks: a tracking (rejection) ...

This paper studies theuncertain nonlinear dynamics of a MEMS optical switch addressing electrical, mechanical and optical subsystems. Recently, MEMS optical switch has had significant merits in reliability, control voltage requirements and power consumption. However, an inherent weakness in designing control for such systems is unavailability of switch position information at all times due to t...

2009
Axel Weissenfeld Kang Liu Jörn Ostermann

delivered by EUROGRAPHICS D L IGITAL IBRARY www.eg.org diglib.eg.org Abstract In this work we elaborate on a novel image-based system for creating video-realistic eye animations to arbitrary spoken output. These animations are useful to give a face to multimedia applications such as virtual operators in dialog systems. Our eye animation system consists of two parts: eye control unit and renderi...

1999
Zachary Dodds Martin Jägersand Gregory D. Hager Kentaro Toyama

Real world manipulation tasks vary in their demands for precision and freedoms controlled. In particular, during any one task the complexity may vary with time. For a robotic hand-eye system, precise tracking and control of full pose is computationally expensive and less robust than rough tracking of a subset of the pose parameters (e.g. just translation). We present an integrated vision and co...

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