Results 211 to 220 of about 433,714 (266)

Predicting Affective Episodes in Bipolar Disorder Using Statistical Process Control Analysis of GPS-Based Mobility Patterns: Quantitative Study. [PDF]

JMIR Mhealth Uhealth
Guth M, Bittendorf C, Krug C, Ludwig VM, Muehlbauer E, Hartnagel LM, Severus E, Bauer M, Ritter P, Ebner-Priemer UW.   +9 more
europepmc   +1 more source

Interventions for managing clinically relevant sleep disturbances or insomnia in cancer patients and survivors: an up-to-date systematic review and meta-analysis of self-reported sleep disturbance. [PDF]

Front Psychol
Chan J, Ng DWL, Fong DYT, Chan MCH, Shi Y, Lam WWT.   +5 more
europepmc   +1 more source

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Passivity control of a passive haptic device

2004 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS) (IEEE Cat. No.04CH37566), 2005
In this paper, we propose an energy-based stability control of a passive haptic device equipped with passive actuators such as an electric brake. Unstable behavior is observed even in the passive haptic system due to time delay mainly arising from the slow update rate of the virtual environment.
Beom-Seop Kim, Mignon Park, Chang-Soon Hwang, Munsang Kim, Changhyun Cho   +4 more
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On Discretizing Linear Passive Controllers

2006 IEEE International Symposium on Circuits and Systems, 2006
In this work a new methodology which allows to discretize linear continuous-time passivity based controller is presented. This methodology is based on choosing a proper output, which preserves the passivity structure, while keeping the continuous-time energy function. Analytic formulation and a numerical example are provided in the paper.
Ramon Costa-Castelló, Enric Fossas
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Passive control of overhead cranes

Proceedings of the 1998 IEEE International Conference on Control Applications (Cat. No.98CH36104), 1999
The focus of this paper is on the design of optimal passive controllers for rest-to-rest maneuvers of flexible structures. The parameters of the passive controller are determined by formulating an optimization problem to minimize the integral of the time absolute error, subject to control constraints.
Hasan Alli, Tarunraj Singh
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Passivity-Based Control

2000
This chapter is devoted to investigate how the dissipativity properties of the various systems examined in the foregoing chapter can be used to design stable and robust feedback controllers (in continuous and discrete time). We start with a classical result of mechanics, which actually is the basis of Lyapunov stability and Lyapunov functions theory ...
Bernard Brogliato, Bernhard Maschke, Rogelio Lozano, Olav Egeland   +3 more
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Passive Control of the Vertical Instability in Intor

Fusion Technology, 1985
In the international tokamak reactor (INTOR), the problem of the passive control of the vertical instability is to be solved by means of suitably shaped saddle coils to be embedded in the blanket structure. The efficiency of such a system depends on the characteristics of the passive conductors and on the plasma equilibrium as well as on the type of ...
S. BOBBIO, E. COCCORESE, G. FABRICATORE, MARTONE, Raffaele, G. RUBINACCI   +4 more
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PASSIVITY AND PASSIVITY BASED CONTROLLER DESIGN OF A CLASS OF SWITCHED CONTROL SYSTEMS

IFAC Proceedings Volumes, 2005
Abstract Notions of passivity for a class of switched control systems (SCS) are developed first in this article. We then study the following problems: 1) When is an SCS passive? 2) Does passivity imply Lyapunov stability as in the classical passive systems? 3) How to use passivity as a tool to design controllers to stabilize an SCS?
Weitian Chen, Mehrdad Saif
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Passive Structural Control

2013
In this chapter, structural control techniques aimed at reducing the vulnerability of existing or new structures, built in medium and high seismic risk areas, are described. The description is focused on the passive control and, in particular, on the passive supplemental energy dissipation techniques.
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Passive control of an electrohydraulic actuator using an electrohydraulic passive valve

Proceedings of the 2001 American Control Conference. (Cat. No.01CH37148), 2001
A passive control scheme for bilateral teleoperated one degree of freedom hydraulic actuator is proposed. The overall system enables a human operating a motorized joystick to feel as if he is manipulating a rigid mechanical tool with which the work environment is also in contact.
Kailash Krishnaswamy, Perry Y. Li
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