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Models for trajectory prediction are an essential component of many advanced air mobility studies. These models help aircraft detect conflict and plan avoidance maneuvers, which is especially important in Unmanned Aircraft systems (UAS)…

机器人学 · 计算机科学 2024-11-22 Jun Xiang , Drake Essick , Luiz Gonzalez Bautista , Junfei Xie , Jun Chen

The rapid advancement of electric vertical takeoff and landing (eVTOL) aircraft offers a promising opportunity to alleviate urban traffic congestion but is still limited by excessive power demands, especially during the takeoff phase. Thus,…

机器学习 · 计算机科学 2026-05-06 Nathan M. Roberts , Xiaosong Du

Recently, increasing works have proposed to drive evolutionary algorithms using machine learning models. Usually, the performance of such model based evolutionary algorithms is highly dependent on the training qualities of the adopted…

神经与进化计算 · 计算机科学 2020-05-12 Cheng He , Shihua Huang , Ran Cheng , Kay Chen Tan , Yaochu Jin

Deep learning-based techniques have been introduced into the field of trajectory optimization in recent years. Deep Neural Networks (DNNs) are trained and used as the surrogates of conventional optimization process. They can provide low…

机器学习 · 计算机科学 2022-09-27 Ruida Xie , Andrew G. Dempster

Electric vertical-takeoff and landing (eVTOL) aircraft, recognized for their maneuverability and flexibility, offer a promising alternative to our transportation system. However, the operational effectiveness of these aircraft faces many…

机器人学 · 计算机科学 2024-03-25 Songyang Liu , Shuai Li , Haochen Li , Weizi Li , Jindong Tan

Generative Adversarial Networks are used for generating the data using a generator and a discriminator, GANs usually produce high-quality images, but training GANs in an adversarial setting is a difficult task. GANs require high computation…

计算机视觉与模式识别 · 计算机科学 2023-08-01 Md Nurul Muttakin , Malik Shahid Sultan , Robert Hoehndorf , Hernando Ombao

In this work, we perform a systematic comparison of the effectiveness and efficiency of generative and non-generative models in constructing design spaces for novel and efficient design exploration and shape optimization. We apply these…

机器学习 · 计算机科学 2024-02-14 Muhammad Usama , Zahid Masood , Shahroz Khan , Konstantinos Kostas , Panagiotis Kaklis

Computational Fluid Dynamics (CFD) is central to race-car aerodynamic development, yet its cost -- tens of thousands of core-hours per high-fidelity evaluation -- severely limits the design space exploration feasible within realistic…

Generative adversarial networks (GAN) have been effective for learning generative models for real-world data. However, existing GANs (GAN and its variants) tend to suffer from training problems such as instability and mode collapse. In this…

机器学习 · 计算机科学 2018-03-05 Chaoyue Wang , Chang Xu , Xin Yao , Dacheng Tao

The modern aerodynamic optimization has a strong demand for parametric methods with high levels of intuitiveness, flexibility, and representative accuracy, which cannot be fully achieved through traditional airfoil parametric techniques. In…

流体动力学 · 物理学 2023-05-08 Hairun Xie , Jing Wang , Miao Zhang

Deep generative models are proven to be a useful tool for automatic design synthesis and design space exploration. When applied in engineering design, existing generative models face three challenges: 1) generated designs lack diversity and…

机器学习 · 计算机科学 2021-08-17 Wei Chen , Faez Ahmed

Generative Adversarial Networks (GANs) produce high-quality images but are challenging to train. They need careful regularization, vast amounts of compute, and expensive hyper-parameter sweeps. We make significant headway on these issues by…

计算机视觉与模式识别 · 计算机科学 2021-11-02 Axel Sauer , Kashyap Chitta , Jens Müller , Andreas Geiger

Short-term passenger flow prediction is an important but challenging task for better managing urban rail transit (URT) systems. Some emerging deep learning models provide good insights to improve short-term prediction accuracy. However,…

机器学习 · 计算机科学 2023-08-17 Jinlei Zhang , Hua Li , Lixing Yang , Guangyin Jin , Jianguo Qi , Ziyou Gao

Chemical plant design and optimisation have proven challenging due to the complexity of these real-world systems. The resulting complexity translates into high computational costs for these systems' mathematical formulations and simulation…

神经与进化计算 · 计算机科学 2022-04-28 Liezl Stander , Matthew Woolway , Terence L. Van Zyl

We introduce a generative adversarial network (GAN) model to simulate the 3-dimensional Lagrangian motion of particles trapped in the recirculation zone of a buoyancy-opposed flame. The GAN model comprises a stochastic recurrent neural…

机器学习 · 统计学 2019-01-15 Jingwei Gan , Pai Liu , Rajan K. Chakrabarty

In the realm of computational fluid dynamics (CFD), accurate prediction of aerodynamic behaviour plays a pivotal role in aerofoil design and optimization. This study proposes a novel approach that synergistically combines autoencoders and…

流体动力学 · 物理学 2023-05-31 Tanishk Nandal , Vaibhav Fulara , Raj Kumar Singh

Approximating wind flows using computational fluid dynamics (CFD) methods can be time-consuming. Creating a tool for interactively designing prototypes while observing the wind flow change requires simpler models to simulate faster. Instead…

计算机视觉与模式识别 · 计算机科学 2022-01-05 Henrik Hoeiness , Kristoffer Gjerde , Luca Oggiano , Knut Erik Teigen Giljarhus , Massimiliano Ruocco

Generative Adversarial Networks (GANs) are formulated as minimax game problems, whereby generators attempt to approach real data distributions by virtue of adversarial learning against discriminators. The intrinsic problem complexity poses…

计算机视觉与模式识别 · 计算机科学 2021-08-10 Yuesong Tian , Li Shen , Li Shen , Guinan Su , Zhifeng Li , Wei Liu

Generative Adversarial Networks (GAN) have many potential medical imaging applications, including data augmentation, domain adaptation, and model explanation. Due to the limited memory of Graphical Processing Units (GPUs), most current 3D…

图像与视频处理 · 电气工程与系统科学 2022-09-13 Li Sun , Junxiang Chen , Yanwu Xu , Mingming Gong , Ke Yu , Kayhan Batmanghelich

Aerodynamic inverse design can improve vehicle and aircraft efficiency, but practical design rarely seeks performance alone: vehicle refinement must reduce drag while preserving visual features linked to design language, brand recognition…

机器学习 · 计算机科学 2026-05-29 Huaguan Chen , Ning Lin , Luxi Chen , Jiacheng Cen , Rui Zhang , Wenbing Huang , Chongxuan Li , Hao Sun