Search Results:　 1-20 of 293

1

Damping Properties of a Damping Force Variable Damper Utilizing Magnetic Compound Fluids Containing Alpha-Cellulose [in Japanese]

林浩一 , 井門康司 , 上野聖司

実験力学 12(4), 344-349, 2012-12-00
2

Improvement of the Collision Velocity Detection by the New Z-Axis Accelerometer with Mechanical Displacement Conversion Mechanism Using Damping Effect [in Japanese]

HIRATA Yoshiaki , KONNO Nobuaki , ITOH Takahiko , HIRAOKA Yuji , SUETSUGU Eiji

… Significant immunity of the sensor output to extremely high-magnitude acceleration with high frequency has been attained by the squeeze damping effect and its variable resonant frequency structure. …

IEEJ Transactions on Sensors and Micromachines 132(9), 296-302, 2012-09-01

J-STAGE CrossRef References (6)
3

Experimental Verification of Active Front Steering Based on Driver-Friendly Reaction Torque Control [in Japanese]

MINAKI Ryo , HOSHINO Hiroshi , HORI Yoichi

… This paper proposes a steering torque control method based on reaction torque estimation and variable damping control for use in a human-friendly AFS system and discusses how an experimental device was used to verify the effectiveness of this control method. …

IEEJ Transactions on Industry Applications 132(8), 778-787, 2012-08-01

J-STAGE CrossRef References (20)
4

A treatise on frequency spectrum of drift ice velocity

Leppäranta Matti , Oikkonen Annu , Shirasawa Kunio , Fukamachi Yasushi

… The Okhotsk Sea spectra show inertial and tidal signals but they are missing from the Baltic Sea due to very weak tides and shallow depth damping inertial oscillations. … Thus Eulerian observations are more variable than Lagrangian observations. …

Cold Regions Science and Technology 76-77, 83-91, 2012-06-00

IR CrossRef
5

DEVELOPMENT OF FRICTION DAMPER WITH DISPLACEMENT DEPENDENT VARIABLE DAMPING FORCE CHARACTERISTICS [in Japanese]

白井和貴 , 佐野剛志 , 鈴井康正他

日本建築学会技術報告集 18(38), 85-90, 2012-02-00
6

Evaluation of Semi-Active Control using Harmonically Varying Damping by Real-Time Hybrid Simulation

IBA Daisuke , PHILLIPS Brian M. , SPENCER Billie F.

… The semi-active control method treated in this study is based on harmonically varying damping. … Even if the input to the system doesn't contain the natural frequency of the system, it is possible to choose the frequency of the damping coefficient so that the response includes the natural frequency. … As a result of this operation, resonance can be induced, with the phase and amplitude of the resonance adjustable through the damping parameters. …

Journal of System Design and Dynamics 6(1), 1-11, 2012

J-STAGE CrossRef
7

Semi-Active Control for Isolated Structure Using Variable Damping Device Based on Response Evaluator of System

FUKUKITA Akira , TAKAHASHI Masaki , YOSHIDA Kazuo

… It is applied to a base isolated structure with a semi-active oil damper whose damping coefficient has large or small values. … Absolute acceleration of a top story and displacement of an isolated layer are the input signals of the response evaluator, and switching parameter for the damping coefficient is the output signal of the response evaluator. …

Journal of System Design and Dynamics 6(4), 511-524, 2012

J-STAGE CrossRef
8

Improvement of the Vibration Damping Performance for Parallel Wire Type Positioning Systems (Technique with Natural Frequency Control and Tuned Mass Damper)

TAGAMI Masaharu , YAMAGUCHI Daisuke , TAGAWA Yasutaka

… However the TMD is effective only for the object with a constant resonance frequency, whereas the parallel wire systems generally have a variable resonance frequency depending on the wire tensions. …

TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series C 78(785), 66-73, 2012

J-STAGE CrossRef
9

21397 Development of Variable Damping Force Friction Slip Damper : Part 2 Dynamic Experiment of Full-scale Brace-type Damper [in Japanese]

SHIRAI Kazutaka , SANO Takeshi , SUZUI Yasumasa , YOSHIDA Osamu

Summaries of technical papers of Annual Meeting Architectural Institute of Japan. B-2, Structures II, Structural dynamics nuclear power plants 2011, 793-794, 2011-07-20

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10

21396 Development of Variable Damping Force Friction Slip Damper : Part 1 Basic Constitution of Damper and Elemental Test [in Japanese]

SANO Takeshi , SHIRAI Kazutaka , SUZUI Yasumasa , KAGEYAMA Mitsuru

Summaries of technical papers of Annual Meeting Architectural Institute of Japan. B-2, Structures II, Structural dynamics nuclear power plants 2011, 791-792, 2011-07-20

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11

Spectroscopy and Photoelectrochemistry of Organic Monolayers within Sphere-Plane Gold Nano-Gaps

IKEDA Katsuyoshi

… Although localized fields increase photon-molecule interactions, metal-molecule interactions become an uncontrollable variable because atomic surface features are not organized in such nanostructured metals. … Moreover, highly localized fields within the nano-gaps extend the range of SERS application to highly damping catalytic metal surfaces. …

Electrochemistry 79(10), 768-772, 2011

J-STAGE CrossRef
12

Vibration Control using Harmonically-Varying Damping

IBA Daisuke , JR. Billie F. SPENCER

… This study proposes a new vibration control method using harmonically-varying damping. … Previous research has demonstrated that resonance could be induced by the combination of a sinusoidal base excitation (not at the natural frequency) with harmonically varying damping. … The amplitude and phase of the resulting resonance can be controlled through appropriate choice of variable damping. …

Journal of System Design and Dynamics 5(5), 727-736, 2011

J-STAGE CrossRef
13

Directional Response of Multi-Articulated Vehicles with Multiple Axles to Steering Input

AOKI Akira , MARUMO Yoshitaka , KAGEYAMA Ichiro

… It also calculates the frequency response, pole, and zero in the transfer functions of each variable for two types of tractor and double-trailer combinations having multiple axles. … (2) The effect of the number of trailer axles on the damping ratio of zero is larger than that of the other parameters for multiple axles. … Moreover, if the vehicle combination has a low damping ratio of oscillatory modes, the settling time is long, and the overshoot and maximum deviation are large. …

Journal of Mechanical Systems for Transportation and Logistics 4(2), 79-94, 2011

J-STAGE CrossRef
14

Development of a Passive Type MR Damper with Variable Damping Characteristics Dependent on the Displacement and Velocity

MURAKAMI Takahiro , SAKAI Michiya , NAKANO Masami

… A novel MR damper which has the same variable damping characteristics as an existing semi-active control but no active component has been proposed and developed. … The damping force changes in response to the sign of the displacement and the velocity, which is effective in reducing vibrations. …

TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series C 77(774), 257-269, 2011

J-STAGE CrossRef
15

Directional Response of Multi-Articulated Vehicles with Multiple Axles to Steering Input

AOKI Akira , MARUMO Yoshitaka , KAGEYAMA Ichiro

… It also calculates the frequency response, pole, and zero in the transfer functions of each variable for two types of tractor-double-trailer, a tractor-semitrailer and a truck-full-trailer having multiple axles. … (2) The effect of the number of trailer axles on the damping ratio of zero is larger than that of the other parameters for multiple axles. …

TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series C 77(778), 2233-2248, 2011

J-STAGE CrossRef
16

Variable Speed-Variable Pitch Controllers for Aero-Servo-Elastic Simulations of Wind Turbine Support Structures

YOSHDA Shigeo

… For this project, blade pitch and generator torque controllers for a typical land-based variable speed- and pitch-controlled wind turbine were formulated using a Loop-Shaping Method, considering wind turbine characteristics such as rotor aerodynamics, tower vibration, and control systems. …

Journal of Fluid Science and Technology 6(3), 300-312, 2011

J-STAGE CrossRef
17

Effect of Materials and Shapes of Magnetic Particles on Damping Force Variable Damper Utilizing Magnetic Functional Fluids [in Japanese]

HAYASHI Koichi , TAKAGI Ryuji , AKAMATSU Shouhei , IDO Yasushi

Journal of JSEM 10(4), 433-438, 2010-12-25

References (7) Cited by (2)
18

2203 Fault detection of primary vertical dampers of railway vehicles using phase difference between vibration modes [in Japanese]

KOJIMA Takashi , SUGAHARA Yoshiki

… For suppression of vertical bending vibration of railway car bodies, the authors have developed a damping control system with variable primary vertical dampers. … The damping force of one of the variable primary vertical dampers is switched to the minimum in order to simulate a failure; …

The Transportation and Logistics Conference 2010(19), 41-44, 2010-12-01

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19

User-adaptive variable damping prosthetic knee and ankle : Ossur bionic prosthesis [in Japanese]

HASADA Kazuyuki , KAGAYAMA Moe

日本義肢装具学会誌 = Bulletin of the Japanese Society of Prosthetic and Orthotic Education, Research and Development 26(4), 225-231, 2010-10-01

References (7)
20

745 Damped Vibration Responses for Automotive Multi-layered Sound-proof Structure, Using Three-dimensional Fast Finite Element Analysis [in Japanese]

HOZUMI Hiroaki , YAMAGUCHI Takao , KUROSAWA Yoshio , ENOMOTO Hideki

… A numerical method is proposed to calculate damping properties for mixed structure including elastic body, viscoelastic body and porous body using FEM. … Displacement vectors as common unknown variable are solved under coupled condition. …

Dynamics & Design Conference 2010, "745-1"-"745-5", 2010-09-14

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Search Results:　 1-20 of 293

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Search Results: 1-20 of 293

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Search Results:　 1-20 of 293