Results 21 to 30 of about 36,524 (244)

Combined Adaptive and Predictive Control for a Teleoperation System with Force Disturbance and Input Delay

Frontiers in Robotics and AI, 2016
This work presents a new discrete-time adaptive-predictive control algorithm for a system with force disturbance and input delay. This scenario is representative of a mechatronic device for percutaneous intervention with pneumatic actuation and long ...
Enrico Franco
doaj   +1 more source

All-propulsion design of the drag-free and attitude control of the European satellite GOCE

, 2009
This paper concerns the drag-free and attitude control (DFAC) of the European Gravity field and steady-state Ocean Circulation Explorer satellite (GOCE), during the science phase.
Canuto, Canuto, Canuto, Canuto, DeBra, Donati, Enrico Canuto, Fichter, Fichter, Johannessen, Koenig, Lange, Luca Massotti, Picone, Tapley, Touboul, Vaillon, Vallado, Vaniček   +18 more
core   +1 more source

Drag-free and attitude control for the GOCE satellite [PDF]

, 2008
The paper concerns Drag-Free and Attitude Control of the European satellite Gravity field and steady-state Ocean Circulation Explorer (GOCE) during the science phase.
Aguirre-Martinez, Bertotti, Canuto, Canuto, Canuto, Donati, Enrico Canuto, Fichter, Luenberger, Picone, Scheeres, Silvestrin, Touboul, Vaillon   +13 more
core   +1 more source

Acceleration disturbances due to local gravity gradients in ASTROD I

, 2005
The Astrodynamical Space Test of Relativity using Optical Devices (ASTROD) mission consists of three spacecraft in separate solar orbits and carries out laser interferometric ranging.
, A Bec-Borsenberger, Lockerbie N A, Ni W-T, Ni W-T, Press W H, Sachie Shiomi, Shiomi S, Shiomi S, Shiomi S, Stebbins R T, Xia Y, Xu X   +12 more
core   +2 more sources

Influences on Bottom Hole Pressure in Riserless Drilling under Platform Disturbance

Shiyou jixie, 2022
In order to solve the problem of bottom hole pressure fluctuation caused by drilling platform disturbance in riserless drilling,a mathematical model for platform-drill string coupling vibration and a model for bottom hole pressure fluctuation were ...
Zuo Kai, Niu Guifeng, Wang Chuan, Liu Jing   +3 more
doaj  

gLISA: geosynchronous Laser Interferometer Space Antenna concepts with off-the-shelf satellites

, 2014
We discuss two geosynchronous gravitational wave mission concepts, which we generically name gLISA. One relies on the science instrument hosting program onboard geostationary commercial satellites, while the other takes advantage of recent developments ...
Buchman, Sasha, DeBra, Daniel, Tilley, Scott, Tinto, Massimo   +3 more
core   +1 more source

Free-flight experiments in LISA Pathfinder [PDF]

, 2014
The LISA Pathfinder mission will demonstrate the technology of drag-free test masses for use as inertial references in future space-based gravitational wave detectors.
Armano, M., Audley, H., Auger, G., Baird, J., Binetruy, P., Born, M., Bortoluzzi, D., Brandt, N., Bursi, A., Caleno, M., Cavalleri, A., Cesarini, A., Cruise, M., Cutler, C., Danzmann, K., Diepholz, I., Dolesi, R., Dunbar, N., Ferraioli, L., Ferroni, V., Fitzsimons, E., Freschi, M., Gallegos, J., Gerndt, R., Gesa, LI., Giardini, D., Gibert, F., Giusteri, R., Grimani, C., Harrison, I., Heinzel, G., Hewitson, M., Hollington, D., Hueller, M., Huesler, J., Inchauspe, H., Jennrich, O., Jetzer, P., Johlander, B., Karnesis, N., Kaune, B., Killow, C., Korsakova, N., Lloro, I., Maarschalkerweerd, R., Madden, S., Maghami, P., Mance, D., Marirrodriga, C. Garcia., Martin, V., Martin-Porqueras, F., Mateos, I., McNamara, P., Mendes, J., Mendes, L., Moroni, A., Nofrarias, M., Paczkowski, S., Perez, J. A. Romera., Perreur-Lloyd, M., Petiteau, A., Pivato, P., Plagnol, E., Prat, P., Ragnit, U., Ramos-Castro, J., Reiche, J., Robertson, D., Rozemeijer, H., Russano, G., Sarra, P., Schleicher, A., Slutsky, J., Sopuerta, C. F., Sumner, T., Texier, D., Thorpe, J., Trenkel, C., Tu, H. B., Vetrugno, D., Vitale, S., Wanner, G., Ward, H., Waschke, S., Wass, P., Wealthy, D., Weber, W., Wen, S., Wittchen, A., Zanoni, C., Ziegler, T., Zweifel, P.   +91 more
core   +4 more sources

Multi‐Scale Interface Engineering of MXenes for Multifunctional Sensory Systems

Advanced Functional Materials, EarlyView.
MXenes, as two‐dimensional transition metal carbides and nitrides, demonstrate remarkable capabilities for multifunctional sensing applications. This review systematically examines multi‐scale interface engineering approaches that enhance sensing performance, enable diverse detection functionalities, and improve system‐level compatibility in MXene ...
Jiaying Liao, Sin‐Yi Pang, Jianhua Hao
wiley   +1 more source

Purpose‐Adaptable Reinforced 3D Hyaluronic‐Acid Based Platform to Study Pathomechanisms of the Central Nervous System

Advanced Healthcare Materials, EarlyView.
Platform system to create biofabricated 3D spinal cord tissue models: Combining high resolution PCL fiber placement, a customized, hyaluronic acid‐based hydrogel, two cell types (spinal cord neurons and astrocytes) together with three distinct laminin isoforms allow the formation of functional cell–cell network interactions.
Nicoletta Murenu, Esra Tuerker, Anna‐Lena Wiessler, Jessica Faber, Ievgenii Liashenko, Jeanette Weigelt, Jörg Tessmar, Paul D. Dalton, Sibylle Jablonka, Mateo S. Andrade Mier, Carmen Villmann, Silvia Budday, Natascha Schaefer   +12 more
wiley   +1 more source

Anti-Swaying Control Strategy of Ship-Mounted 3-RCU Parallel Platform Based on Dynamic Gravity Compensation

Machines
It is essential to ensure stability during marine transportation or the installation of high center of gravity loads. The heavy loads increase gravity disturbance, affecting the steady-state-error control of the multiple degrees of freedom (DOFs) motion ...
Zhiyuan Lv, Pengfei Liu, Donghong Ning, Shuqing Wang   +3 more
doaj   +1 more source