Results 71 to 80 of about 11,368 (242)

Chattering-Free Time Domain Passivity Approach

open access: yes, 2022
The time-domain passivity approach (TDPA) has gained considerable attention (even beyond the fields of haptics and teleoperation) because it can ensure passivity while maintaining high system performance.
Ryu, Jee-Hwan   +2 more
core   +1 more source

Chattering Reduction Using Improved Switching Functions in the SMC Method for Battery Chargers of PMDs

open access: yesIEEE Access
This paper proposes a chattering reduction using improved switching functions in the sliding mode control (SMC) method for battery chargers of personal mobility devices (PMDs).
Junhyeok Choi, Yeongsu Bak
doaj   +1 more source

Adaptive Exponential Sliding Mode Control for a Bearingless Induction Motor Based on a Disturbance Observer

open access: yesIEEE Access, 2018
In the interest of solving the unsatisfactory control capability of a bearingless induction motor (BIM) under parameter variations, external disturbance, and load mutation, an adaptive exponential sliding mode controller and an extended sliding mode ...
Zebin Yang   +3 more
doaj   +1 more source

PLACE‐FRAMING URBANITY: The Case of Kalasatama, Helsinki

open access: yesInternational Journal of Urban and Regional Research, EarlyView.
Abstract Narratives, visuality and symbolic representations are increasingly important in contemporary urban planning and development. This article seeks to understand how urbanity, one of the key goals of Helsinki's recent planning, has been constructed in the Kalasatama regeneration area. The construction of urban image and identity is viewed as soft
Tuomas Ilmavirta
wiley   +1 more source

Methodological Challenges in Studying Wealthy Families

open access: yesThe British Journal of Sociology, EarlyView.
ABSTRACT Studying the wealthy is not easy. This piece provides suggestions for recruitment, interview strategies, and design to gain high‐quality data on wealthy people. It is based on an interview study of 81 US racially‐diverse families with a median net worth of $25 million. First, to gain access to the wealthy, it is key for the researcher to use a
Annette Lareau
wiley   +1 more source

Glucagon‐like peptide‐1 receptor agonist use and violent crime among US adults

open access: yesCriminology, EarlyView.
Abstract Glucagon‐like peptide‐1 receptor agonists (GLP‐1 RAs), a class of medications widely prescribed for diabetes and obesity, have exhibited emerging effects on substance use, reward processing, and impulse control. This study examines whether current GLP‐1 RA use moderates established behavioral pathways to violent crime from impulsivity and ...
Daniel C. Semenza, Christopher Thomas
wiley   +1 more source

Volatile Compounds in Feathers of the Scarlet Macaw (Ara macao) Reflect Sex and Pair‐Bond Status

open access: yesIntegrative Zoology, EarlyView.
Scarlet macaws exhibit sex‐ and pair‐related differences in plumage volatile composition, with males showing greater chemical richness. Partnered individuals differ in specific compound classes, whereas no clear association with immune function was detected. These results support a potential role for olfactory cues in sexual and social communication in
Elisa Espartosa   +3 more
wiley   +1 more source

Investigation of chattering behavior of impact damper

open access: yes, 2017
Impact dampers are able to reduce vibration effectively through impacts and thus have wide applications in mechanical control. This work investigated the chattering behavior of a two-degree-of-freedom impact damper.
Du, Y, Yanchen Du
core   +1 more source

Parents' Experiences of Psychosocial Support in the Neonatal Intensive Care Unit: A Qualitative Study

open access: yesJournal of Clinical Nursing, EarlyView.
ABSTRACT Aim To explore parents' experiences of psychosocial support in the neonatal intensive care unit (NICU). Design A qualitative descriptive study. Methods The study involved nine individual and three pair interviews; in total, 15 parents described their experiences of psychosocial support in the neonatal intensive care units.
Hanna Seppänen   +5 more
wiley   +1 more source

Chattering-free terminal sliding-mode observer for anomaly detection

open access: yes, 2012
This paper proposes a chattering-free terminal sliding-mode observer used for the network behavior anomaly detection in TCP/IP networks. The proposed observer can track the fluid-flow model representing the TCP/IP behaviors in a router level.
Bo Wang (86769)   +4 more
core  

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