نتایج جستجو برای: smart structures

تعداد نتایج: 527175  

2006
Wei Gao

This paper presents the optimization of the location and feedback gains of active bar in a closed loop control system for stochastic piezoelectric smart truss structures under stationary random excitation. The mathematical model with reliability constraints on the mean square value of the structural random dynamic displacement and stress response is developed based on maximization of dissipatio...

Journal: :Government Information Quarterly 2014
José Ramón Gil-García Natalie Helbig Adegboyega Ojo

a r t i c l e i n f o Keywords: Smart government Smart cities Smart governance Governance infrastructure Emergent technologies Innovation Smart government is used to characterize activities that creatively invest in emergent technologies coupled with innovative strategies to achieve more agile and resilient government structures and governance infrastructures. However, there is no consensus in ...

2016
Wyatt Felt Khai Yi Chin David Remy

Measuring and controlling Pneumatic Artificial Muscles (PAMs) without instrumented, mechanical structures can be challenging. This is the case, for example, when the actuators are used in soft, human exosuits [5]. “Smart Braids” measure the length of PAMs through the inductance of a conductive braid. The inductance increases linearly with the contraction of the actuator. We have modeled and tes...

H. Dadkhah, M. Mohebbi,

Hybrid control system composed of a base isolation system and a magneto-rheological damper so-called smart base isolation is one of effective semi-active control system in controlling the seismic response of structures. In this paper, a design method is proposed for designing the smart base isolation system in order to achieve an effective performance under multiple earthquakes. The base mass, ...

2009
Janet Gleave Brij N. Agrawal

For spacecraft with large flexible antennas, andor flexible support structures, suppressing vibrations caused by on-orbit operational disturbances (e.g., antenna slew maneuvers and thruster firings) is a challenging problem. In the past several years, advances in smart structure technologies have made their use in real-time dynamic control cif a structure possible. This paper discusses analytic...

Journal: :international journal of smart electrical engineering 2012
maryam sadat mahdaviyani mehrdad javadi

existed electricity grids deliver produced power to the consumer passing through transmission and distribution grids. according to high losses of these grids in transmission level and inexistence of bilateral interaction for simultaneous information exchange, a concept of smart grids were made by capabilities such as consciously participation of consumers in the smart electricity grids, an amou...

2008
Enrica Riva Marco Mantovani Gianni Nicoletto

Reliable failure prediction methods are required for extending the range of applications of carbon-fiber-reinforced-polymers. In parallel, the development of non-destructive tests (NDT) for continuous health monitoring would result in structures of improved durability and safety. Carbon fibre-reinforced polymers (CFRP) have been investigated for the development of “smart” structures characteriz...

2001
Rogério M. Cazo Carmem L. Barbosa Haroldo T. Hattori Renato C. Rabelo Osni Lisbôa Jorge L. S. Ferreira

 In this paper, we analyze theoretically and experimentally the performance of fiber Bragg gratings as temperature sensors. These sensors have potential applications in monitoring the temperature in aerospace structures and smart structures. Index Terms  Fiber Bragg Gratings, Optical Fibers and Temperature Sensors.

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