Results 51 to 60 of about 19,961 (120)
An Active Spring Mass Model With Biomimetic Ground Reaction Forces for Multiple Terrains. [PDF]
IEEE Trans Biomed EngKumar S, Geyer H.
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A review of aeroelastic instabilities and resonance effects in wind turbine blade dynamics. [PDF]
Wind EngSaram MU, Yang J.
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Thermally Programmable Two-Port Non-Hermitian Acoustic Metastructure for Broadband and Direction-Dependent Absorption. [PDF]
Adv Sci (Weinh)Guo Z +6 more
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Magnon damping as a probe of Kondo coupling in magnetically ordered systems. [PDF]
Nat CommunBao S +15 more
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A Review of Pavement Damping Characteristics for Mitigating Tire-Pavement Noise: Material Composition and Underlying Mechanisms. [PDF]
Materials (Basel)Liu M, Duan W, Dong R, Al-Ammari M.
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Nonlinear active vibration damping
IEEE Transactions on Automatic Control, 1994Summary: A multivariable nonlinear controller is investigated for vibration suppression of flexible structures. The closed-loop gain matrix consists of a varying term added to a constant term. The varying term is proportional to the measured signal, providing rapid cancellation of large deflections and maintaining low noise sensitivity.
Rakel K. Kanestrom, Olav Egeland
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Volume 1: 22nd Biennial Conference on Mechanical Vibration and Noise, Parts A and B, 2009
This article introduces a new method of system design using semi-active dampers named quasi-active damping. This technique is the design of dynamical systems and controllers using multiple semi-active dampers such that, at any instant, the desired control force can always be achieved using a combination of the dampers.
Potter, J, Neild, SA, Wagg, DJ
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This article introduces a new method of system design using semi-active dampers named quasi-active damping. This technique is the design of dynamical systems and controllers using multiple semi-active dampers such that, at any instant, the desired control force can always be achieved using a combination of the dampers.
Potter, J, Neild, SA, Wagg, DJ
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Active Damping of Large Trusses
2017This chapter reviews various ways of damping large space trusses. The first part discusses the use of active struts consisting of a piezoelectric actuator collocated with a force sensor. The guaranteed stability properties of the integral force feedback are reviewed and the practical significance of the modal fraction of strain energy is stressed.
Preumont, André +2 more
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Active Twist Blades: Electromechanical Damping
Volume 2: Mechanics and Behavior of Active Materials; Integrated System Design and Implementation; Bio-Inspired Materials and Systems; Energy Harvesting, 2012Active Twist Rotor Blades for helicopter main rotors have been developed for the use in secondary control such as higher harmonic control (HHC) and individual blade control (IBC). The basic principle of such blades is the implementation of piezoelectric actuators into the blades causing the blades to twist.
Riemenschneider, Johannes +2 more
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