Active vibration isolation with a massless isolator
Active vibration isolation with a distributed parameter isolator
... Passive Vibration Isolation with a Distributed Parameter Isolator ...Passive vibration isolation systems containing a distributed parameter isolator have been investigated ...
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Active Vibration Isolation of an Unbalanced Machine Spindle
... unbalance forces. Specifically, to attenuate the spindle housing vibration using an active vibration control system to prevent the unbalance force from disturbing the rest of the machine systems ...
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Engine Mounting Characteristic for Vibration Isolation and Active Vibration Control Strategies
... large vibration and harshness coming from the engine through the ...of active vibration control to reduce this vibration ...ideal vibration isolation model is deduced and it has ...
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Semi active damping control for vibration isolation of base disturbances
... for isolation of the primary harmonic are ...semi-active isolation system for periodic and random disturbances, where there is more than one harmonic in the disturbance spectrum is ...semi- ...
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Investigation of the mechanical and electrical properties of actuators for active vibration isolation
... Abstract In this report, the mechanical and electrical properties of three types of actuators are investigated. The actuators of interest are electromagnetic, magnetostrictive and piezoelectric. The constitutive ...
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ACTIVE VIBRATION ISOLATION CONTROL FOR A STRUCTURE TAKING ACCOUNT OF ACTUATOR CONSTRAINTS
... controller remarkably] lowers the control performance by the actuator saturation shown in Fig.le (c), Especially,. the accelerat･ion response becomes w{}rse t,lian that with(mt[r] ...
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Performance of a dual stage inerter based vibration isolator
... inerter-based vibration isolator. Force transmissi- bility and vibration power flow variables are used as performance indices to evaluate the effectiveness of the inerter-based vibration ...
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Fuzzy Logic Controlled Semi Active Floating Raft Vibration Isolation System
... passive vibration isolation system used on ships and submarines to isolate onboard machinery is the floating raft isolation ...passive isolation system, though robust, may result in ...
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ANALYTICAL AND NUMERICAL ANALYSIS OF VIBRATION ISOLATOR FOR HERMETICALLY SEALED COMPRESSOR
... Keywords—Stiffness, Damping, Transmissibility, Vibration isolation I. I NTRODUCTION This work aims to study the generation of vibrational energy by sealed positive displacement compressors and the ...
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Study of Alloy Springs with Magnetorheological Dampers for Vibration Isolator Device
... the vibration isolation device under mach ine vibrat ion, and the Taguchi method of quality engineering was used to design the structure of the device (metal spring, wire dia meter, and materia ...
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Study on active vibration isolation system using neural network sliding mode control
... and active vibration control ...the active control in a single degree of freedom isolation system, the results demonstrate that the force transmitted to the foundation can be effectively ...
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Dynamics analysis of active variable stiffness vibration isolator for whole-spacecraft systems based on nonlinear output frequency response functions
... novel active variable stiffness vibration isolator (AVS-VI) used as the vibration isolation device to reduce excessive vibration of the whole-spacecraft isolation ...PID ...
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Decentralised control for multi channel active vibration isolation (in special Issue on dynamics and control of smart structures)
... Multichannel Active Vibration Isolation Sang-Myeong Kim, Stephen ...an active four-mount vibration isolation system, in which electromagnetic actuators are installed in parallel ...
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Selection Guide for Vibration Isolation of HVAC Equipment
... Isolator Types 1 and 2: Rubber isolators are avail- able in pad (type I) and molded (type 2) configu- rations. Pads are used in single or multiple lay- ers. Molded isolators come in a range of 30 to 70 durometer ...
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Hybrid Magnetorheological Elastomer – Fluid for Vibration Isolation
... fluid-elastomer vibration isolator in 2005, have developed a MRF-E by encapsulating a MRF inside an elastomer which the structural properties of the system are controllable by an applied magnetic ...
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Vibration isolation for rotorcraft using electrical actuation
... passive isolation leads to potentially lower power requirements from the ...Hybrid active-passive devices for noise and vibration suppression in aircraft has a patent issued [21], however the use of ...
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SystemC A modeling of an automotive seating vibration isolation system
... [9] S. El-Demerdash and D. Crolla, “Hydro-Pneumatic Slow-Active Suspen- sion with Preview Control,” Vehicle System Dynamics, vol. 25, no. 5, pp. 369–386, May 1996. [10] Y. Sam, J. Osman, and M. Ghani, ...
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Vibration isolation with smart fluid dampers: a benchmarking study
... This suggests that dissipative energy is required for most of the time. Furthermore, the similarity between the MR and ideal semi-active system suggests that the MR performance could be further enhanced by ...
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VIBRATION ISOLATION Product Selection Guide for HVAC Equipment
... selecting isolation systems for fans and air-handling equipment: ...select isolator defl ection so the isolator natural frequency is 40% or less than the fan ...an isolator natural frequency ...
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Magnetic levitation technique for active vibration control
... for active vibration control. Vibration isolation are strongly required in the field of high-resolution measurement and micromanufacturing, for instance, in the submicron semiconductor chip ...
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