Search Results 1-20 of 15411

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Bilateral Control by Transmitting Force Information with Application to Time-delay Systems and Human Motion Reproduction

Nagatsu Yuki , Hashimoto Hideki

… This study proposes a bilateral control system that only transmits the force information and presents applications to scaled bilateral control, time-delay systems, and human motion preservation and reproduction. …

IEEJ Journal of Industry Applications, 2021

J-STAGE
2

Influence of Partial Electrical Conducting Wall on Electrodynamic Flow Control

NAGATA Yasunori , YAMANE Eisuke , NORII Takumi , KOUCHI Toshinori , YANASE Shinichiro

… The electrodynamic flow control effect using an applied magnetic field has a potential of innovative technology for aerodynamic force control of atmospheric entry vehicle because of no requirement of mechanical devices. … To control this effect and aerodynamic force, we proposed a new approach using exposed electrodes on the vehicle surface. …

TRANSACTIONS OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES, AEROSPACE TECHNOLOGY JAPAN 19(1), 68-74, 2021

J-STAGE
3

Computational Study of Discharge Process in Plasma Actuator for Enhanced Electrohydrodynamic Force Generation toward Low-Voltage Operation

SATO Shintaro , FURUKAWA Haruki , TAKAHASHI Masayuki , OHNISHI Naofumi

… Numerical simulations of discharge process in two types of actuator modules were conducted to obtain better understanding of the process of electrohydrodynamic (EHD) force generation toward the low-voltage operation. … The elimination of the surface charge results in EHD force enhancement. … The enhanced EHD force is also obtained when a negatively-DC-biased positive polarity pulses are applied. …

TRANSACTIONS OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES, AEROSPACE TECHNOLOGY JAPAN 19(1), 17-23, 2021

J-STAGE
4

Driving an Open-Winding Structure PMSM Using Third Harmonic Current Control [in Japanese]

Honda Kazunari , Akatsu Kan

… A harmonic current control method has been used as a controllable approach for realizing its low vibration of PMSMs. … In this study, an open-winding structure PMSM driven by dual three-phase inverters, which share a DC bus source, is used for the proposed third harmonic current control. … By using third harmonic current control, it is possible to reduce both the sixth order torque ripple component and the second order radial force. …

IEEJ Transactions on Industry Applications 141(1), 39-45, 2021

J-STAGE
5

Effects of Short Day Cycles on Flowering Time and Nutritional Status of Vanda

Ruamrungsri Soraya , Sirisawad Takonwan , Panjama Kanokwan , Potapohn Nuttha , Inkham Chaiartid

… In order to solve the problems of commercial orchid growers, who need to force Vanda … flowering for both blooming on demand and uniformity, an appropriate environment to control flower development is a key factor. … Plants were grown under seven hour day lengths for three, six, and nine weeks before being moved to natural day length (approximately 12 hours/day), and then compared with plants cultivated only under a natural day length condition (control). …

The Horticulture Journal, 2021

J-STAGE
6

Flexural Strength of Resin Core Build-Up Materials: Correlation to Root Dentin Shear Bond Strength and Pull-Out Force

Irie Masao , Maruo Yukinori , Nishigawa Goro , Yoshihara Kumiko , Matsumoto Takuya

… The aims of this study were to investigate the effects of root dentin shear bond strength and pull-out force of resin core build-up materials on flexural strength immediately after setting, after one-day water storage, and after 20,000 thermocycles. … For all core build-up and luting materials, the mean data of flexural strength, shear bond strength and pull-out force were the lowest immediately after setting. …

Polymers 12(12), 2947, 2020-12-09

IR
7

EFFECTS OF REMOVAL OF VERTICAL WALL REINFORCEMENT ANCHORAGE IN RC COLUMNS HAVING WING WALLS ON THE SHORT-TERM ALLOWABLE BENDING MOMENTS [in Japanese]

MOMOKA Yuki , SANADA Yasushi , ZHANG Zheng , YOON Rokhyun , KUSUNOKI Koichi , HIBINO Yo , MUKAI Tomohisa

… anchorage to let the wing walls resist the only compression, and then clarified the effectiveness for damage control6). … The shear force of specimen CWJ2 at the short-term allowable bending moment was equivalent to that of specimen CWJ2A because the longitudinal rein. … On the other hand, the reduction of the short-term allowable bending moment was limited under the compressive axial force ratio beyond 0.1, except for specific conditions. …

Journal of Structural and Construction Engineering (Transactions of AIJ) (778), 1611-1621, 2020-12

J-STAGE AIJ
8

Pre-contact Variable Impedance Control Using Optical Sensor Capable of Measuring Distance, Tilt and Contact Force [in Japanese]

野崎貴裕 , Krebs Hermano Igo

電気学会研究会資料. IIC 2020(27・29-37・39-49), 1-6, 2020-11-24
9

Loading history changes the morphology and compressive force-induced expression of receptor activator of nuclear factor kappa B ligand/osteoprotegerin in MLO-Y4 osteocytes

Wang Ziyi , Weng Yao , Ishihara Yoshihito , Odagaki Naoya , Hlaing Ei Ei Hsu , Izawa Takashi , Okamura Hirohiko , Kamioka Hiroshi

… BackgroundIn this study, we investigated the effect of the mechanical loading history on the expression of receptor activator of nuclear factor kappa B ligand (RANKL) and osteoprotegerin (OPG) in MLO-Y4 osteocyte-like cells.MethodsThree hours after MLO-Y4 osteocytes were seeded, a continuous compressive force (CCF) of 31 dynes/cm2 with or without additional CCF (32 dynes/cm2) was loaded onto the osteocytes. …

PeerJ (8), e10244, 2020-11-09

IR
10

Real-Time Hybrid Test Using Two-Individual Actuators to Evaluate Seismic Performance of RC Frame Model Controlled by AMD

Mukai Yoichi , Yokoyama Ayaka , Fushihara Kohiro , Fujinaga Takashi , Fujitani Hideo

… The seismic responses of a single-story reinforced concrete (RC) frame building model under control using an active mass damper (AMD) are demonstrated through a real-time hybrid simulation (RTHS) method. … At the same time, a control device of AMD is actually tested under a situation of installing it on the target building's floor. … A control motion of the AMD is manipulated based on an online simulation of the entire RC building model. …

Frontiers in Built Environment (6), 145, 2020-11-04

IR
11

OPTIMAL TUNING RATIO OF MASS DAMPER IN REINFORCED CONCRETE BUILDINGS SUBJECTED TO STRONG GROUND MOTION [in Japanese]

KANEKO Kensaku , TAKAHASHI Kazuhisa

… A formula for calculating the optimal tuning ratio is proposed in terms of the envelope curve of the restoring force and ductility factor of buildings. … To meet a compatibility condition, we present a computational method with a modified envelope curve of building hysteresis and a quasi external force applied to the TMD. … If an elastic-based optimal damping ratio of a TMD is used, control performance is approximately the same as the exact optimal TMD. …

Journal of Structural and Construction Engineering (Transactions of AIJ) (777), 1387-1395, 2020-11

J-STAGE AIJ
12

Support effect verification of force control for non-wearing type pneumatic power assist device [in Japanese]

横田雅司 , 高岩昌弘

電気学会研究会資料. CT 2020(95-108), 43-45, 2020-10-18
13

Forelimb force direction and magnitude independently controlled by spinal modules in the macaque

Yaron Amit , Kowalski David , Yaguchi Hiroaki , Takei Tomohiko , Seki Kazuhiko

… Although modular organization has been confirmed in the hindlimb control system of several animal species, it has yet to be established in the forelimb motor system or in primates. … Similar to previous observations in the frog and rodent hindlimb, our analysis revealed that in most cases (77% of all pairs) the directions of the force fields elicited by costimulation were highly similar to those predicted by the simple linear sum of those elicited by stimulating each site individually. …

Proceedings of the National Academy of Sciences of the United States of America, 2020-10-15

IR
14

Drift-Free Instantaneous State Observer for Fine Force Control of Two-inertia System [in Japanese]

篠崎泰雅 , 川合勇輔 , 横倉勇希 , 大石潔 , 宮崎敏昌

電気学会研究会資料. IIC 2020(8-15・17-26), 43-48, 2020-09-01
15

Drift-Free Instantaneous State Observer for Fine Force Control of Two-inertia System [in Japanese]

篠崎泰雅 , 川合勇輔 , 横倉勇希 , 大石潔 , 宮崎敏昌

電気学会研究会資料. MEC = The papers of Technical Meeting on "Mechatronics Control", IEE Japan 2020(1-8・10-19), 43-48, 2020-09-01
16

Basic Study on Adaptive Cutting Force Observer for Machine Tool Considering Stage Parameter Variation [in Japanese]

大野航 , 藤本博志 , 伊佐岡慶浩 , 寺田祐貴

電気学会研究会資料. MEC = The papers of Technical Meeting on "Mechatronics Control", IEE Japan 2020(1-8・10-19), 31-36, 2020-09-01
17

A Pole Design Method for EEMF Observer of Dual Three-phase PMSM for Position Sensorless Overmodulation Drive [in Japanese]

今井幸司 , 道木慎二 , 近藤孔亮 , 青木康明

電気学会研究会資料. MD 2020(102-106・108-146・148-155), 41-44, 2020-09-01
18

A Pole Design Method for EEMF Observer of Dual Three-phase PMSM for Position Sensorless Overmodulation Drive [in Japanese]

今井幸司 , 道木慎二 , 近藤孔亮 , 青木康明

電気学会研究会資料. RM 2020(95-99・101-139・141-148), 41-44, 2020-09-01
19

Implementation of a Position Sensorless Control Including Overmodulation Region to EV and Evaluation of the Drive Range Including the Flux-Weakening Region [in Japanese]

北村健太郎 , 道木慎二

電気学会研究会資料. HCA 2020(22-24・26-55・57-66・68・70-76), 115-118, 2020-09-01
20

Implementation of a Position Sensorless Control Including Overmodulation Region to EV and Evaluation of the Drive Range Including the Flux-Weakening Region [in Japanese]

北村健太郎 , 道木慎二

電気学会研究会資料. VT 2020(18-20・22-51・53-62・64・66-72), 115-118, 2020-09-01

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