Results 41 to 50 of about 609,284 (121)

Association of enzymatic and optimized ultrasound-assisted aqueous extraction of flavonoid glycosides from dried Hippophae rhamnoides L. (Sea Buckthorn) berries

Ultrasonics Sonochemistry
The main purpose of the present study was to determine the effect of associating an optimized ultrasound-assisted extraction (UAE) protocol with enzyme-assisted extraction (EAE) in aqueous media, using the dried berries of Hippophae rhamnoides L.
Alexandru Nicolescu, Mihai Babotă, Eduardo Aranda Cañada, Maria Inês Dias, Mikel Añibarro-Ortega, Mihaiela Cornea-Cipcigan, Corneliu Tanase, Cristian Radu Sisea, Andrei Mocan, Lillian Barros, Gianina Crișan   +10 more
doaj   +1 more source

The continuous-time H∞ model matching problem with integral control in Imi optimization

MATEC Web of Conferences, 2017
In this paper, the continuous-time H∞ model matching problem with integral control by using 2 DOF static output feedback is presented. The controller synthesis theorem and the controller design algorithm is elaborated.
Akın Murat, Acarman Tankut
doaj   +1 more source

H_∞ Optimization of Three-Element-Type Dynamic Vibration Absorber with Inerter and Negative Stiffness Based on the Particle Swarm Algorithm. [PDF]

Entropy (Basel), 2023
Gao T, Li J, Zhu S, Yang X, Zhao H.
europepmc   +1 more source

Meta-heuristic optimization-based robust H∞ controller design for active suspension systems subject to actuator saturation

Alexandria Engineering Journal
This study focuses on designing robust H∞ controllers to mitigate actuator saturation-related issues of active suspension systems. Two design methods are presented: one utilizing full-state feedback and the other relying on measurable output feedback ...
Yeongjae Kim, Myoung-Woo Kim, Masaaki Kanno, Tae-Hyoung Kim   +3 more
doaj   +1 more source

Optimization of Mold Powder for H-Shape Steel Q235B Casting

Teshugang, 2010
To counter the situation of longitudinal crack defect usually occurred on bloom (wide side 550 mm, narrow side 440 mm, waist 90 mm) in H-shape steel Q235B (0. 14% ~0.
尹娜, 景财良, 张炯明, 韩毅华, 王伟   +4 more
doaj  

Multi-Objective Optimization of Resilient, Sustainable, and Safe Urban Bus Routes for Tourism Promotion Using a Hybrid Reinforcement Learning Algorithm

Mathematics
Urban transportation systems in tourism-centric cities face challenges from rapid urbanization and population growth. Efficient, resilient, and sustainable bus route optimization is essential to ensure reliable service, minimize environmental impact, and
Keartisak Sriprateep, Rapeepan Pitakaso, Surajet Khonjun, Thanatkij Srichok, Peerawat Luesak, Sarayut Gonwirat, Chutchai Kaewta, Monika Kosacka-Olejnik, Prem Enkvetchakul   +8 more
doaj   +1 more source

Balancing Control of Bicyrobo by Particle Swarm Optimization-Based Structure-Specified Mixed H2/H∞ Control

International Journal of Advanced Robotic Systems, 2008
In this paper, a structure-specified mixed H2/H controller design using particle swarm optimization (PSO) is proposed for control balancing of Bicyrobo, which is an unstable system associated with many sources of uncertainties due to un-model dynamics ...
Manukid Parnichkun, Bui Trung Thanh
doaj  

Rotor Structure Optimization of a Twin-Screw Expander for Natural Gas Pressure Energy Recovery Based on an NGO-SDERIME Hybrid Algorithm

Energies
To improve the efficiency and output power of the twin-screw expander used in natural gas pressure energy recovery, a hybrid NGO-SDERIME algorithm is proposed for structural optimization, with the structural parameters of the male and female rotors ...
Xiaoliang Li, Fuchuan Huang, Shuai Zou, Maohui Peng, Kangchun Li   +4 more
doaj   +1 more source

Enhancing B/N‐H Fuel Cell Durability: Insights from Degradation Mechanisms and Optimization

ChemElectroChem
This study investigates the critical durability challenges of direct liquid fuel cells using B/N‐H‐based fuels—decaborane (B10H14) and hydrazine borane (N2H4BH3)—for practical applications.
Peng Qiu, Yang Zhang, Qiqi Wan, Endao Zhang, Wenxing Jiang, Zhenying Chen, Xiaodong Zhuang, Lijun Zhang, Changchun Ke   +8 more
doaj   +1 more source

Design of a Hybrid Asymmetric LMBA With High Linearity Based on Improved Particle Swarm Optimization Method

IEEE Open Journal of Circuits and Systems
This paper presents an improved particle swarm optimization (PSO) method and applies it to the design of a hybrid asymmetric load modulated balanced amplifier (H-ALMBA) with high linearity. A description is provided of the H-ALMBA topology as well as the
Benhao Jin, Zhiming Fan, Giovanni Crupi, Jialin Cai   +3 more
doaj   +1 more source