Observer-Based Bounded Control for Discrete Time-Delay Uncertain Nonlinear Systems by Bei Wu, Mou Chen, Xiaoming Chen

“…Suppose that the disturbance is generated by an exogenous system; a disturbance observer is designed to estimate the unknown disturbance. …”
Get full text

Fault Estimation Method for Nonlinear Systems With Perturbations Based on Augmented Fault Observer by Yanxiu Sun, Ying Du, Yuping Zhang

Subjects: “…Fault observer…”
Get full text

Adaptive Integral Observer-Based Synchronization for Chaotic Systems with Unknown Parameters and Disturbances by Xiuchun Li, Jianhua Gu, Wei Xu

“…Considering the effects of external perturbations on the state vector and the output of the original system, this paper proposes a new adaptive integral observer method to deal with chaos synchronization between the drive and response systems with unknown parameters. …”
Get full text

Observer-Based Control Design for Nonlinear Networked Control Systems with Limited Information by Yilin Wang, Zhengrong Xiang, Hamid Reza Karimi

“…This paper is concerned with the problem of designing a robust observer-based controller for discrete-time networked systems with limited information. …”
Get full text

Impact Evaluation of Assimilating Surface Sensitive Infrared Radiance Observations over Land and Sea Ice from Observing System Simulation Experiments by S. K. Dutta, L. Garand, S. Heilliette

“…In this study, Observing System Simulation Experiments (OSSEs) are conducted to analyze the impact of assimilating surface sensitive infrared radiance observations over land and sea ice. …”
Get full text

Controllability and Observability Analysis of Nonlinear Positive Discrete Systems by Mouhcine Naim, Fouad Lahmidi, Abdelwahed Namir

“…This article studies the controllability and observability of nonlinear positive discrete systems. …”
Get full text

Observations on the Early Stages of Two Aphidiine Parasites of Aphids by P. H. Timberlake

Get full text

A New Species of Lasioptera with Observations on Certain Homologies by E. P. Felt

Get full text

Case report: Rare observation of thyroid-like cholangiocarcinoma by Ekaterina Bondarenko, Dmitriy Kalinin, Liliya Urusova, Dariya Pastukhova, Rustam Salimkhanov, Natalia Mokrysheva

Get full text

Observational research in epidemic settings: a roadmap to reform by Marc Lipsitch, Nicholas Evans, Alexandra L Phelan, Stephany N Duda, Annette Rid, Colin J Carlson, Jennifer B Rosen, Natalie E Dean, John Barugahare, Maya B Mathur, Emily E Ricotta, Fausto A Bustos Carrillo, Samuel Angelli-Nichols, Adia Benton, Emma Chang-Rabley, Lisa Federer, Mary-Margaret A Fill, Elizabeth C LeRoy, Natalie M Linton, Lauren Sauer, Sheena G Sullivan, Mackenzie Zendt

“…Observational studies are critical tools in clinical research and public health response, but challenges arise in ensuring the data produced by these studies are scientifically robust and socially valuable. …”
Get full text

Study of Histomorphological Patterns of Uterine Leiomyomas: An Observational Study by Archana Tiwari, Pratima Sapkota

“…Abnormal uterine bleeding was observed in 60 (60%) of the cases. Histologically 84 (84%) of the cases were simple conventional leiomyoma. …”
Get full text

Climatology of Total Cloudiness in the Arctic: An Intercomparison of Observations and Reanalyses by Alexander Chernokulsky, Igor I. Mokhov

“…Total cloud fraction over the Arctic (north of 60°N) has been evaluated and intercompared based on 16 Arctic cloud climatologies from different satellite and surface observations and reanalyses. The Arctic annual-mean total cloud fraction is about 0.70±0.03 according to different observational data. …”
Get full text

Sealing Capability and SEM Observation of the Implant-Abutment Interface by Fabio C. Lorenzoni, Paulo G. Coelho, Gerson Bonfante, Ricardo M. Carvalho, Nelson R. F. A. Silva, Marcelo Suzuki, Thelma Lopes Silva, Estevam A. Bonfante

“…Gaps in the implant-abutment interface were observed along with leakage increased at the 144 hrs evaluation period.…”
Get full text

Final Observations on Pheidole Megacephala and Iridomyrmex Humilis in Bermuda by Caryl P. Haskins, Edna F. Haskins

Get full text

Observations of circumstellar disks in scattered light with SPHERE at the VLT by Boccaletti, Anthony

“…We mostly provide exemples based on observations performed with the SPHERE instrument at the VLT.…”
Get full text

The Fractal Dimension of River Length Based on the Observed Data by Ni Zhihui, Wu Lichun, Wang Ming-hui, Yi Jing, Zeng Qiang

Get full text

Some Observations on the Accelerated Ageing of Thick-Film Resistors by K. J. Wilson, P. E. Spencer, F. N. Sinnadurai

Get full text

Panoramic Observation of Crystalline Lenses with 25 MHz Ultrasonography by Wenwen Xue, Haidong Zou

Get full text

Observations and Modeling of the Climatic Impact of Land-Use Changes by Xiangzheng Deng, Burak Güneralp, Hongbo Su

Get full text

Atrophic Myenteric and Submucosal Neurons Are Observed in Parkinson’s Disease by Bodil Ohlsson, Elisabet Englund

Get full text