Results 31 to 40 of about 554,337 (247)

Climate-Resilient Infrastructure as a Public Good: Welfare, Risk, and Climate-Smart Growth

open access: yesChallenges
Climate change has emerged as a defining global crisis, with the frequency and intensity of climate-induced disasters rising sharply and imposing disproportionate costs on developing economies and small island states.
Manish Vaidya, Soumya Bhowmick
doaj   +1 more source

An Adaptive Control Strategy for a Low-Ripple Boost Converter in BLDC Motor Speed Control

open access: yesPower Electronics and Drives, 2021
Conventional boost converters are widely used for connecting low-voltage power sources and inverters in motor control. However, a large filter capacitor bank is often used to reduce DC-link ripples that occur when an inverter is connected to a boost ...
Wang Haifeng, Zhang Haili
doaj   +1 more source

Adaptive Fuzzy Command Filtered Tracking Control for Flexible Robotic Arm with Input Dead-Zone

open access: yesApplied Sciences, 2023
In this paper, an adaptive fuzzy tracking control method is proposed to address the issues of dead-zone and unobservable states in a flexible robotic arm system.
Zhike Zhao, Hao Chang, Caizhang Wu
doaj   +1 more source

The Yeshiva University Observer ; December 2023

open access: yes, 2023
One of two, independent undergraduate student-run newspapers of Yeshiva University's Stern College for Women, Yeshiva College, and Sy Syms School of BusinessYeshiva University’s Stern College in 1958, The YU Observer is the independent newspaper ...

core  

Conserving an underappreciated heritage resource: The rural landscape

open access: yesParks Stewardship Forum
Rural landscapes make up a significant percentage of the planet’s lands and waterways and must be included in any efforts to address climate change and habitat loss.
Jane Lennon, Brenda Barrett
doaj   +1 more source

The ecology of and fishery for Coryphaena spp. in the waters around Australia and New Zealand

open access: yesScientia Marina, 1999
Two species of dolphinfish, Coryphaena hippurus and Coryphaena equiselis, are found in Australian waters and off the north-eastern coast of New Zealand.
Michael J. Kingsford, Anthony Defries
doaj   +1 more source

The Yeshiva University Observer ; November 2023

open access: yes, 2023
One of two, independent, undergraduate student-run newspapers of Yeshiva's Stern College for Women, Yeshiva College, and Sy Syms School of BusinessFounded by the women of Yeshiva University’s Stern College in 1958, The YU Observer is the ...

core  

Evolving Values and How They Have Shaped the United States National Park System

open access: yesBuilt Heritage, 2018
As one of the oldest and best-known park systems, the US National Park System continues to influence park systems around the world. However, the origins and wide diversity of US national parks are often not fully understood as there is a long-lived ...
Cari Goetcheus   +2 more
doaj   +1 more source

European Standard Clinical Practice Guideline and EXPeRT Recommendations for the Diagnosis and Management of Gastroenteropancreatic Neuroendocrine Neoplasms in Children and Adolescents

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Pediatric gastroenteropancreatic neuroendocrine neoplasms (GEP‐NENs) are extremely rare and clinically heterogeneous. Management has largely been extrapolated from adult practice. This European Standard Clinical Practice Guideline (ESCP), developed by the EXPeRT network in collaboration with adult NEN experts, provides (adult) evidence ...
Michaela Kuhlen   +23 more
wiley   +1 more source

Observer-Based Optimal Control of a Quadplane with Active Wind Disturbance and Actuator Fault Rejection

open access: yesSensors, 2023
Hybrid aircraft configurations with combined cruise and vertical flight capabilities are increasingly being considered for unmanned aircraft and urban air mobility missions. To ensure the safety and autonomy of such missions, control challenges including
Zaidan Zyadat   +3 more
doaj   +1 more source

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