Results 91 to 100 of about 1,161,420 (280)

Safe Controller Optimization for Quadrotors with Gaussian Processes

open access: yes, 2017
One of the most fundamental problems when designing controllers for dynamic systems is the tuning of the controller parameters. Typically, a model of the system is used to obtain an initial controller, but ultimately the controller parameters must be ...
Berkenkamp, Felix   +2 more
core   +1 more source

Controlling Controlling Shareholders

open access: yesUniversity of Pennsylvania Law Review, 2003
The rules governing controlling shareholders sit at the intersection of the two facets of the agency problem at the core of public corporations law. The first is the familiar principal-agency problem that arises from the separation of ownership and control. With only this facet in mind, a large shareholder may better police management than the standard
Gilson, Ronald J., Gordon, Jeffrey N.
openaire   +2 more sources

Outcomes and Surgical Management of Malignant Rhabdoid Tumor of the Kidney: A Report From the Pediatric Surgical Oncology Research Collaborative

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Purpose Malignant rhabdoid tumor of the kidney (MRTK) is a rare, aggressive tumor seen in young children. The optimal timing of resection for locally advanced tumors is not well‐defined. The purpose of this study is to evaluate modern oncologic outcomes and the impact of surgical timing. Methods A multicenter retrospective review was performed
Hannah N. Rinehardt   +76 more
wiley   +1 more source

Intraoperative Collection of Ascitic Fluid With Intra‐ or Postoperative Reinfusion in Ovarian Cancer: Safety and Feasibility of a Roller Pumping Method

open access: yesTherapeutic Apheresis and Dialysis, EarlyView.
ABSTRACT Introduction Patients with ovarian cancer often present with massive ascites, leading to significant protein loss during surgical procedures. Although cell‐free concentrated ascites reinfusion therapy (CART) is used in palliative settings to mitigate protein loss, its application in intraoperative settings remains unexplored.
Yutaka Yoneoka   +7 more
wiley   +1 more source

Harmonic elimination by switching angle optimization technique for multilevel inverter [PDF]

open access: yes, 2019
The needs for a free harmonic and high rating power source is increased to meet the required industry applications. In this project, a 7-level Cascaded H-Bridge Multilevel Inverter (CHBMLI) with two various controllers are presented.
Altayib Sahhouk, Masoud Albasheer
core   +1 more source

Adaptive Controller of the Major Functions for Controlling a Drive System with Elastic Couplings

open access: yesEnergies, 2018
In any drive system, there are always couplings between the motor and the load. Since the hardness of these couplings is finite, they have elastic properties, causing unwanted vibration and negatively affecting system quality.
Dung Tran Anh, Thang Nguyen Trong
doaj   +1 more source

Upacicalcet: A Novel Intravenous Calcimimetic Agent for Patients Undergoing Hemodialysis With Secondary Hyperparathyroidism

open access: yesTherapeutic Apheresis and Dialysis, EarlyView.
ABSTRACT Secondary hyperparathyroidism (SHPT) is a common complication in patients receiving maintenance dialysis, driven by calcium and phosphate metabolism disturbances. Calcimimetics are central to the management of SHPT by enhancing calcium‐sensing receptor sensitivity and reducing parathyroid hormone secretion.
Fumihiko Koiwa   +3 more
wiley   +1 more source

Adjunctive Therapeutic Plasma Exchange in Refractory Adult‐Onset Still's Disease Complicated by Secondary Macrophage Activation Syndrome: A Single‐Center Experience

open access: yesTherapeutic Apheresis and Dialysis, EarlyView.
ABSTRACT Introduction Adult‐onset Still's disease (AOSD) complicated by macrophage activation syndrome (MAS) carries substantial mortality. The role of therapeutic plasma exchange (TPE) remains uncertain. Methods We retrospectively analyzed patients with AOSD‐MAS treated with TPE at a single‐center.
Masataka Ueda   +15 more
wiley   +1 more source

Analysis of N-qubit Perfect Controlled Teleportation Schemes from the Controller\u27s Point of View [PDF]

open access: yes, 2015
We quantitatively analyze and evaluate the controller\u27s power in N-qubit controlled teleportation schemes. We calculate the minimum control power required to ensure the controller\u27s authority such that the teleportation fidelity without the ...
Ghose, Shohini, Li, Xi-Han
core   +1 more source

A novel method for fuzzy scale factors scheduling in fuzzy PD+I with anti-windup system controllers

open access: yesRevista Facultad de Ingeniería Universidad de Antioquia, 2016
The adjustment of scale factors in fuzzy controllers is a key factor in their correct functioning. In two-inputs fuzzy PID controllers, such as fuzzy PI+D (FPI+D) and fuzzy PD+I (FPD+I), the adjustment of scale factors is directly related to the ...
Aldo Rafael Sartorius-Castellanos   +3 more
doaj  

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