Jul 06, 2020

Design Optimization Of Active And Passive Structural Control Systems Premier Reference Source

design optimization of active and passive structural control systems premier reference source

Design optimization of active and passive structural control systems / Nikos D. Lagaros, Vagelis Plevris, and Chara Ch. Mitropoulou, editors. p. cm.

Design optimization of active and passive structural ...

Design Optimization of Active and Passive Structural Control Systems includes Earthquake Engineering and Tuned Mass Damper research topics into a volume taking advantage of the connecting link between them, which is optimization. This is a publication addressing the design optimization of active and passive control systems.

(PDF) Design Optimization of Active and Passive Structural ...

Get this from a library! Design optimization of active and passive structural control systems. [Nikos D Lagaros; Vagelis Plevris; Chara Ch Mitropoulou;] -- "This book addresses the design optimization of active and passive control systems including earthquake engineering and tuned mass damper research topics and their link"--

IET Digital Library: Structural control concept for load ...

The theory of EA through either purely passive or active approaches is discussed in this Section, with reference to an arbitrary N-dimensional multi-dof linear system modelled as follows: (1) M q ¨ (t) + C q ̇ (t) + K q (t) = B v A (t) where M, C, K ∈R N×N are the mass, damping and stiffness matrices, (R is the set of the real numbers), q ...

Active and Passive Smart Structures and Integrated ... - SPIE

Active design is a system or structure that uses or produces electricity. The term passive design is most often used with respect to architecture and infrastructure. For example, a building may have wide windows that automatically let in more light when the building needs heat and automatically shade when the building is too hot.

Control Systems for Seismic Protection of Structures ...

Description Summary. Using passive design building form and thermal performance of building elements (including architectural, structural, envelope and passive mechanical) are carefully considered and optimized for interaction with the local microclimate.

Pages 1-376 (29 September 2019) - ScienceDirect.com

Passive Systems 4 Key Building Envelope Issues Water/Air/Vapor/Thermal Advantages of Passive Building Systems One time cost Costs Fixed and Known - High Cost Certainty Predictable stream of benefits Typically requires no Little or No Maintenance No Moving Parts & works 24 hours per day Disadvantages of Passive Building Systems

Active Structural Control | SpringerLink

the active structural control, which assumed a “fight” of the structures against earthquake attack by neutralizing the impact motion through the generation of internal energy opposite to the induced energy at exactly the right time and in the right manner, and

Acoustic Devices for the Active & Passive Control of Sound ...

control do not require power to operate and therefore passive systems are non-controllable in the sense that is not possible to change the control forces or the device behaviour during the earthquake excitation. Although the passive nature can be seen as a limitation to the adaptability of the control system, is also a source of reliability ...

SEMI-ACTIVE CONTROL OF STRUCTURAL SYSTEMS

The optimal design of these passive control devices, whether via a formal optimization algorithm or a response surface parameter study, requires multiple solutions of the dynamic response of that structure, incurring a significant computational cost for complex structures.

The Difference Between Passive and Active Design

Integrated structural and control optimization of intelligent structures Engineering Structures, Vol. 21, No. 2 Integrated design of an adaptive neurocontroller for a 2-D aeroelastic system

Optimal Design of Visco-Elastic Devices Coupling Two ...

Tuned mass dampers (TMDs) are typically introduced and calibrated as natural passive control devices for the vibration mitigation of the steady-state response of primary structures subjected to persistent excitations. Otherwise, this work investigates the optimum tuning of TMDs toward minimizing the transient structural response.

Active and Passive Electronic Components | Hindawi

In this video the performance of a variable friction damper in small scale, implemented as passive and as semiactive, is compared. The structural control device consists of a hydraulic brake ...

Efficient optimal design of passive structural control ...

What mechanisms of flow control do animals use to enhance hydrodynamic performance? Animals are capable of manipulating flow around the body and appendages both passively and actively. Passive mechanisms rely on structural and morphological components of the body (i.e., humpback whale tubercles, riblets). Active flow control mechanisms use appendage or body musculature to directly generate ...

Wiley: Active, Hybrid, and Semi-active Structural Control ...

The control gains of the ACLD are then selected using optimal control theory to minimize a weighted sum of the vibrational and control energies. The theoretical performance of beams treated with the optimally selected ACLD treatment is determined at different excitation frequencies and operating temperatures.

Design optimization and uncertainty analysis of SMA ...

An optimal control design method is introduced and then applied to the optimum design of active and passive suspension systems. A basic three-dimensional 7-DOF car riding model is considered. The method allows the arbitrary choice of sensors for various state variables to be used for feedback contro

Active Control of Structures | Mechanical Engineering ...

source. However, challenges in o shore wind energy have arisen due to the additional wave loading and strong wind loads. Structural control systems have been imple-mented and researched in order to decrease dynamic response of these systems. The previous studies were successful at decreasing fatigue loads in the tower and support

Structural Control and Fault Detection of Wind Turbine Systems

Passive damping in shock and vibration isolation systems reduces the deformation of the isolation system but can increase the acceleration sustained by the isolated object. Semiactive (i.e., controllable) damping systems offer a solution to the problem of increased vibration transmissibility at high frequencies.

Passive Design Strategies | Metal Architecture

Naragarajaiah, S (2010) Adaptive stiffness systems: recent developments in structural control using semi-active/smart variable stiffness and adaptive passive stiffness. In: 5th world conference on structural control and monitoring , Tokyo, Japan , 12–14 July 2010 .

Damping Technologies For Tall Buildings New Trends In ...

The design of passive control systems can be done by (i) designing the base structure (e.g. as a moment resisting frame) and then (ii) adding a control system, such as braces and yield/friction connections, or post-tensioned (PT) beam-column connections; and determining the control forces

A survey of control strategies for simultaneous vibration ...

In this paper the superiority of integrated and optimized passive and active vibration control methods in the design of lightweight structures is investigated. The structure studied here is a 4.5 meter long satellite boom consisting of 10 identical bays with equilateral triangular cross sections. The main points that are presented her are: />i) The results from a Fortran code that is based on ...

Active Control of Noise and Vibration - 2nd Edition ...

SMART BUILDINGS: AN INTEGRATIVE DOUBLE SKIN FAÇADE DAMPER SYSTEM FOR SAFETY AND ENERGY EFFICIENCY BY Rui Zhang B.S., Architectural Engineering, University of South China, 2012 M.ENG., Mechanical Engineering, University of New Hampshire, 2017 DISSERTATION Submitted to the University of New Hampshire in Partial Fulfillment of

Design Optimization of Wind Turbines Carlo L. Bottasso ...

designs for acoustic devices such as Helmholtz resonators and loudspeakersused for noise control in rocket payload compartments are developed. Second, active control using a hybrid control system (with structural and acoustic actuators) was tested experimentally.

The Interplay Between Hardware And Control System Design ...

Systems theory is the interdisciplinary study of systems.A system is a cohesive conglomeration of interrelated and interdependent parts which can be natural or human-made.Every system is bounded by space and time, influenced by its environment, defined by its structure and purpose, and expressed through its functioning.


Design Optimization Of Active And Passive Structural Control Systems Premier Reference Source



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Design Optimization Of Active And Passive Structural Control Systems Premier Reference Source