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A practical online optimization scheme is developed for performance optimization of an electrical aircraft propulsion system. The goal is to minimize the power extraction of the propulsion system for any given thrust value. The online…

最优化与控制 · 数学 2013-10-02 Raphael Cohen , David Miculescu , Kevin Reilley , Mehrdad Pakmehr , Eric Feron

Design optimization of mechanisms is a promising research area as it results in more energy-efficient machines without compromising performance. However, machine builders do not actually use the design methods described in the literature as…

With the widespread application of Unmanned Aerial Vehicles (UAVs) in domains like military reconnaissance, emergency rescue, and logistics delivery, efficiently planning the shortest flight path has become a critical challenge. Traditional…

机器人学 · 计算机科学 2025-06-05 Zuhao Teng , Qian Dong , Ze Zhang , Shuangyao Huang , Wenzhang Zhang , Jingchen Wang , Ji Li , Xi Chen

Motivated by a winged seed, which takes advantage of a wing with high angles of attack and its associated leading-edge vortex to boost lift, we propose a powered 13.8-gram aerial robot with the maximum take-off weight of 310 mN (31.6 gram)…

机器人学 · 计算机科学 2019-07-19 Songnan Bai , Pakpong Chirarattananon

Omnidirectional micro aerial vehicles are a growing field of research, with demonstrated advantages for aerial interaction and uninhibited observation. While systems with complete pose omnidirectionality and high hover efficiency have been…

Unmanned aerial vehicles (UAVs) are desirable platforms for time-efficient and cost-effective task execution. 3-D path planning is a key challenge for task decision-making. This paper proposes an improved multi-objective evolutionary…

机器人学 · 计算机科学 2023-08-22 Yougang Xiao , Hao Yang , Huan Liu , Keyu Wu , Guohua Wu

The research presents an automated method for determining the trajectory of an unmanned aerial vehicle (UAV) for wind turbine inspection. The proposed method enables efficient data collection from multiple wind installations using UAV…

机器人学 · 计算机科学 2024-11-27 Serhii Svystun , Oleksandr Melnychenko , Pavlo Radiuk , Oleg Savenko , Anatoliy Sachenko , Andrii Lysyi

In the present work, we investigate dynamic interaction and response of flexible bio-inspired morphing wing structure to a low Reynolds aerodynamic load. The aspects of inspiration are as follows. First, the segmentation of the wing into…

流体动力学 · 物理学 2023-01-24 Smail Boughou , Radouan Boukharfane , Daniel J. Inman , Ashraf A. Omar , Omer A. Elsayed

Aeroelastic structures, from insect wings to wind turbine blades, experience transient unsteady aerodynamic loads that are coupled to their motion. Effective real-time control of flexible structures relies on accurate and efficient…

流体动力学 · 物理学 2022-07-14 Michelle Hickner , Urban Fasel , Aditya G. Nair , Bingni W. Brunton , Steven L. Brunton

We employ a novel computational modeling framework to perform high-fidelity direct numerical simulations of aero-structural interactions in bat-inspired membrane wings. The wing of a bat consists of an elastic membrane supported by a highly…

流体动力学 · 物理学 2025-04-09 Sushrut Kumar , Jung-Hee Seo , Rajat Mittal

This paper presents a review of the design and application of model predictive control strategies for Micro Aerial Vehicles and specifically multirotor configurations such as quadrotors. The diverse set of works in the domain is organized…

机器人学 · 计算机科学 2020-11-24 Huan Nguyen , Mina Kamel , Kostas Alexis , Roland Siegwart

The present research aims to enhance the efficiency of a DTU-10MW Horizontal Axis Wind Turbine (HAWT) via Active Flow Control (AFC) implementation and using Synthetic Jets (SJ). In the initial part of the study the flow around two airfoil…

流体动力学 · 物理学 2024-07-31 Marc Lahoz , Ahmad Nabhani , Mohammad Saemian , Josep M Bergada

This study aims to investigate the effects of electroactive morphing on a 70cm chord A320 wing by means of near trailing edge slight deformation and vibration. Wing morphing is performed by Macro Fiber Composites (MFC) mini-piezoelectric…

Tiny flying insects of body lengths under 2 mm use the `clap-and-fling' mechanism with bristled wings for lift augmentation and drag reduction at chord-based Reynolds number ($Re$) on $\mathcal{O}$(10). We examine wing-wing interaction of…

流体动力学 · 物理学 2021-03-17 Vishwa T. Kasoju , Arvind Santhanakrishnan

The application of unmanned aerial vehicles (UAVs) is surging across several industries, paralleled by growing demand for these UAVs. However, the noise emitted by UAVs remains a significant impediment to their widespread use even though in…

流体动力学 · 物理学 2025-03-18 Suryansh Prakhar , Jung-Hee Seo , Rajat Mittal

Due to the augmentation of the significance of wind energy, giving a high priority to the \text{airfoil's} efficiency enhancement is obligatory. To improve the performance of airfoils, many impressive techniques are already invented. In…

流体动力学 · 物理学 2024-09-24 Sayed Tanvir Ahmed , Mahadi Hasan Shanto

In the area of supercritical wing design, a variety of principles, laws and rules have been summarized by scholars who perform theoretical and experimental analyses. The applicability of these rules is usually restricted by the airfoil…

流体动力学 · 物理学 2021-12-16 Runze Li , Yufei Zhang , Haixin Chen

The aerodynamic optimization process of cars requires multiple iterations between aerodynamicists and stylists. Response Surface Modeling and Reduced-Order Modeling are commonly used to eliminate the overhead due to Computational Fluid…

计算工程、金融与科学 · 计算机科学 2022-05-26 Sam Jacob Jacob , Markus Mrosek , Carsten Othmer , Harald Köstler

An all-electric unmanned aerial system with both VTOL and Fixed wing capabilities is designed and optimized for long range surveillance and relief operations. The UAV is equipped with onboard computers and sensors and is capable of carrying…

应用物理 · 物理学 2021-01-15 Nikhil Sethi , Saurav Ahlawat , Raghava Nallanthighal

Design optimization of mechanisms is a promising research area as it results in more energy-efficient machines without compromising performance. However, machine builders do not actually use the potential described in the literature as…

系统与控制 · 电气工程与系统科学 2022-08-01 Abdelmajid Ben Yahya , Nick Van Oosterwyck , Jan Herregodts , Stijn Herregodts , Simon Houwen , Bart Vanwalleghem , Stijn Derammelaere