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检索条件"任意字段=11th International Conference on Computer-Aided Design and Computer Graphics"

共 8468 条记录，以下是401-410 订阅

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design and Development of a Transformer Condition Diagnosis System Application to Predict Purification Time and Life of a Transformer Based on Machine Learning 11

Design and Development of a Transformer Condition Diagnosis ...

引用

11th international conference on Electrical Engineering, computer Science and Informatics, EECSI 2024

作者： Bukit, Ferry R.A. Zulkarnain, Hendra Putra, Andre Yuanda Universitas Sumatera Utara Department of Electrical Engineering Medan Indonesia

ISBN: (纸本)9798350355314

Transformers are equipment in high-voltage engineering that often experience abnormalities originating from internal or external sources. this abnormality causes disturbances, so it is necessary to diagnose faults in the transformer as early as possible so that fault predictions and maintenance actions can be carried out to maintain the quality of work on the transformer. An application was designed to diagnose the transformer's condition and predict purification time and transformer life to maintain the quality of the transformer's work. this application is designed to help make it easier to predict transformer conditions using dissolved gas analysis test results, oil scores, furan, and tap changer. the application design is done using the Python programming language and then converted into a mobile app using the React Native library framework with a simulator using Expo and connected to a database to store user data. the predicted data is for the GT 2.1 Excitation transformer, GT 2.1 Main Transformer, and GT 2.1 UAT transformer. Based on the application design, the test results were 100% successful;the system validated all the tests from the ten tests. the GT 2.1 Excitation transformer oil purification time is predicted to be 5697 days since the last test, and the transformer lifetime is predicted to be more than 15 years. the GT 2.1 Main Trafo transformer oil purification time is predicted to be 2697 days since the last test, and the transformer lifetime is predicted to be more than 15 years. the GT 2.1 Excitation transformer oil purification time is predicted to be 1866 days since the last test, and the transformer lifetime is predicted to be more than 15 years. © 2024 IEEE.

关键词： Electric transformer testing

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Energy Efficient Offloading Mechanism for Blocks in Blockchain-Assist IoT System 11

Energy Efficient Offloading Mechanism for Blocks in Blockcha...

引用

11th international conference on Intelligent Computing and Wireless Optical Communications, ICWOC 2023

作者： Su, Hang Zhou, Jianhong Lei, Boyi He, Zhongxiu Xihua University School of Computer and Software Engineering Chengdu China

ISBN: (纸本)9798350321791

With the development and large-scale application of the Internet of things (IoT), security issues in IoT systems have received widespread attention. Applying blockchain technology can effectively solve the security risks faced by IoT systems. However, the deployment of blockchain in the IoT system also faces a series of challenges. For example, fast and large-scale data in the IoTs must be stored on the blockchain and maintained by some IoT devices, but constrained IoT devices usually cannot store the complete blockchain. In this regard, we design a strategy for deploying blockchain in the IoT system with limited resources. Specifically, we propose an energy-efficient block offloading strategy to release storage space when the storage resources of IoT devices are exhausted in the long-term dimension. In this process, the offloading of blocks is closely related to the subsequent query process, and a large amount of energy consumption accompanies it. We design a corresponding offloading algorithm by collaboratively considering the block offloading process and the block query process, which can minimize the average energy in the IoT system while satisfying the block storage and data query services. Simulation results show that our proposed offloading algorithm can effectively reduce the total average energy consumption of the system. © 2023 IEEE.

关键词： Energy utilization

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design Method to Minimize Current Stress for Auxiliary Resonant Commutated Pole Inverter 11

Design Method to Minimize Current Stress for Auxiliary Reson...

引用

11th international conference on Power Electronics - ECCE Asia, ICPE 2023-ECCE Asia

作者： Oh, Mingi Husain, Iqbal North Carolina State University Department of Electrical and Computer Engineering RaleighNC United States

ISBN: (纸本)9788957083505

the auxiliary resonant commutated pole (ARCP) inverter is an attractive technology for electric vehicle traction inverter applications since it can eliminate most of the switching losses and improve the overall efficiency. However, the selection of resonant circuit elements significantly impacts the inverter's performance. this paper proposes a resonant circuit element selection method that reduces current stress in the auxiliary resonant circuit of an ARCP inverter and helps to achieve a high efficiency. the current stress is reduced by 20.8% and 48.3% compared to previously reported methods and improves the overall efficiency between 0.6% to 9.5% depending on the load. Simulations were conducted using a 45kW, 3-phase, 700V system in LTspice and PLECS to validate the proposed method. the simulation outcomes indicate that the proposed approach is efficient and can be applied to the design and implementation of ARCP inverters. By carefully selecting the components in the auxiliary circuit, the proposed method enables achieving both reduced current stress and improved efficiency. © 2023 the Korean Institute of Power Electronics.

关键词： Resonant circuits

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REthINKING SKIP CONNECTION MODEL AS A LEARNABLE MARKOV CHAIN 11

RETHINKING SKIP CONNECTION MODEL AS A LEARNABLE MARKOV CHAIN

引用

11th international conference on Learning Representations, ICLR 2023

作者： Chen, Dengsheng Hu, Jie Qiang, Wenwen Wei, Xiaoming Wu, Enhua Meituan China State Key Laboratory of Computer Science ISCAS University of Chinese Academy of Sciences China University of Chinese Academy of Sciences Institute of Software Chinese Academy of Sciences China University of Macau China

Over the past few years afterward the birth of ResNet, skip connection has become the defacto standard for the design of modern architectures due to its widespread adoption, easy optimization, and proven performance. Prior work has explained the effectiveness of the skip connection mechanism from different perspectives. In this work, we deep dive into the model's behaviors with skip connections which can be formulated as a learnable Markov chain. An efficient Markov chain is preferred as it always maps the input data to the target domain in a better way. However, while a model is explained as a Markov chain, it is not guaranteed to be optimized following an efficient Markov chain by existing SGD-based optimizers prone to getting trapped in local optimal points. In order to move towards a more efficient Markov chain, we propose a simple routine of penal connection to make any residual-like model become a learnable Markov chain. Aside from that, the penal connection can also be viewed as a particular model regularization and can be easily implemented with one line of code in the most popular deep learning frameworks. the encouraging experimental results in multi-modal translation and image recognition empirically confirm our conjecture of the learnable Markov chain view and demonstrate the superiority of the proposed penal connection. © 2023 11th international conference on Learning Representations, ICLR 2023. All rights reserved.

关键词： Deep learning

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HOW ROBUST IS UNSUPERVISED REPRESENTATION LEARNING TO DISTRIBUTION SHIFT? 11

HOW ROBUST IS UNSUPERVISED REPRESENTATION LEARNING TO DISTRI...

引用

11th international conference on Learning Representations, ICLR 2023

作者： Shi, Yuge Daunhawer, Imant Vogt, Julia E. Torr, Philip H.S. Sanyal, Amartya Department of Engineering Science University of Oxford United Kingdom Department of Computer Science ETH Zurich Switzerland Department of Computer Science ETH AI Center ETH Zurich Switzerland

the robustness of machine learning algorithms to distributions shift is primarily discussed in the context of supervised learning (SL). As such, there is a lack of insight on the robustness of the representations learned from unsupervised methods, such as self-supervised learning (SSL) and auto-encoder based algorithms (AE), to distribution shift. We posit that the input-driven objectives of unsupervised algorithms lead to representations that are more robust to distribution shift than the target-driven objective of SL. We verify this by extensively evaluating the performance of SSL and AE on both synthetic and realistic distribution shift datasets. Following observations that the linear layer used for classification itself can be susceptible to spurious correlations, we evaluate the representations using a linear head trained on a small amount of out-of-distribution (OOD) data, to isolate the robustness of the learned representations from that of the linear head. We also develop "controllable" versions of existing realistic domain generalisation datasets with adjustable degrees of distribution shifts. this allows us to study the robustness of different learning algorithms under versatile yet realistic distribution shift conditions. Our experiments show that representations learned from unsupervised learning algorithms generalise better than SL under a wide variety of extreme as well as realistic distribution shifts. © 2023 11th international conference on Learning Representations, ICLR 2023. All rights reserved.

关键词： Supervised learning

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Semi-autonomous Patient Transfer System Assisted by computer Vision 11th

Semi-autonomous Patient Transfer System Assisted by Computer...

引用

11th international conference on E-Health and Bioengineering (EHB)

作者： Dimitrova, Alexandru Ianosi-Andreeva Mandru, Dan Silviu Tech Univ Cluj Napoca Mechatron & Machine Dynam Cluj Napoca Romania

ISBN: (纸本)9783031625220;9783031625237

the paper presents a system designed to improve the mobility of patients for transfer operations with a high degree of independence from a caregiver;as such the proposed system consists of a mobility device and a 3D camera that scans the environment from possible hazards and, if needed, take over the control to actively avoid them. the paper is focused on the integration of a machine vision system with a mobility device, with a special care for the design of the dual input subassembly, that has to retain the ability of being human-controllable and also to accept the machine-computed corrections. For this purpose, a custommade compliant linkage was designed, in which the degree of compliance might be adjusted in concordance with the level of control the patient is able to accomplish. the paper also briefly discusses the possibility of integration of other means of human input systems, more useful for people with an even higher degree of disability than the hypothesized use case scenario, presumed challenges and possible solutions.

关键词： Rehabilitation Mobility aid computer vision

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Teaching a Basic design Class for Art and design Freshmen: Course design and Lessons Learned 11th

Teaching a Basic Design Class for Art and Design Freshmen: C...

引用

11th international conference on design, User Experience, and Usability (DUXU) Held as Part of the 24th international conference on Human-computer Interaction (HCII)

作者： Yu, DanDan Wang, LiMin Li, WenJing Sun, HaoYue Beijing City Univ Art & Design Acad Beijing Peoples R China

ISBN: (纸本)9783031059001;9783031058998

In Art and design education, it is challenging to teach basic design courses for freshmen. On one hand, freshmen have a very limited knowledge base, and the transition process from high school to college education patterns may take a long time (and vary on a individual basis). On the other hand, teaching design course requires train abstract insight and design thinking and demands extensive hands-on practice. Future designers need to acquire creation in their curriculum to feel equipped to address design challenges in their career. this paper focuses course design and active learning strategies in basic design courses to increase freshmen' motivation to engage in professional learning. Different from traditional studies where the major focus is basic knowledge teaching and skill training, the course strategies follow the principle of liberal arts, thinking first, and interesting, with the aim to keep the interests of the freshmen and to avoid the creation of frustration in their early studies. the project activities were mainly performed in Art and design department of Beijing City University. It summarizes course design strategies and share feedback from the students and lessons learned. the results highlight that designed courses increases art and design freshmen' interests in profession learning. these findings show the importance of course design model in design courses to empower future designers to address complex problems challenges through design and innovation.

关键词： Course design the first-year students Basic design course Critical thinking

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MMVAE+: ENHANCING thE GENERATIVE QUALITY OF MULTIMODAL VAES WIthOUT COMPROMISES 11

MMVAE+: ENHANCING THE GENERATIVE QUALITY OF MULTIMODAL VAES ...

引用

11th international conference on Learning Representations, ICLR 2023

作者： Palumbo, Emanuele Daunhawer, Imant Vogt, Julia E. ETH AI Center Zürich Switzerland Department of Computer Science ETH Zürich Switzerland

Multimodal VAEs have recently gained attention as efficient models for weakly-supervised generative learning with multiple modalities. However, all existing variants of multimodal VAEs are affected by a non-trivial trade-off between generative quality and generative coherence. In particular mixture-based models achieve good coherence only at the expense of sample diversity and a resulting lack of generative quality. We present a novel variant of the mixture-of-experts multimodal variational autoencoder that improves its generative quality, while maintaining high semantic coherence. We model shared and modality-specific information in separate latent subspaces, proposing an objective that overcomes certain dependencies on hyperparameters that arise for existing approaches with the same latent space structure. Compared to these existing approaches, we show increased robustness with respect to changes in the design of the latent space, in terms of the capacity allocated to modality-specific subspaces. We show that our model achieves both good generative coherence and high generative quality in challenging experiments, including more complex multimodal datasets than those used in previous works. © 2023 11th international conference on Learning Representations, ICLR 2023. All rights reserved.

关键词： Semantics

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Synaesthesia Sound design in Virtual Reality 11th

Synaesthesia Sound Design in Virtual Reality

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11th international conference on Arts and Technologies Interactivity and Game Creation

作者： Chung, Szu-Ming Chen, Ze-Yu Wu, Chun-Tsai Quanzhou Vocat & Tech Univ Arts Digital Media 1 Daxue Rd Quanzhou 362268 Fujian Peoples R China Lingtung Univ Digital Content Design Dept 1 Ling Tung Rd Taichung 408284 Taiwan

ISBN: (纸本)9783031289927;9783031289934

To improve the authenticity of objects in virtual reality, this study explores the sound of ASMR (Autonomous sensory meridian response) to link the common senses and enhance the authenticity of virtual objects. the synesthesia associated with visual and auditory triggers ASMR leads to the haptic connection. this study created a synesthesia scene set up with two sound designs: the ASMR and general stereo sound. the pre-and post-measurement experiment of one group was applied in this research. the ITQ immersion experience as a measurement tool to test 53 junior college students. they filled out a questionnaire immediately after experiencing the virtual reality scene. the authors used SPSS as a statistical tool to compare the differences between the two sound configuration versions according to the paired sample t-test. the results showed that there is no significant difference between the two versions of sound effects in virtual cognition, sensory linkage, virtual reality, and self-exploration. the positive immersive experience was slightly better in ASMR sound effects than in general stereo sound placed in virtual reality.

关键词： Synesthesia Autonomous Sensory Meridian Response Sound design in Virtual Reality

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Experiences of a "g" Acceleration Generator through Angular Velocities in a Dynamic design Course 11

Experiences of a "g" Acceleration Generator through Angular ...

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11th international conference on Information and Education Technology, ICIET 2023

作者： Morano Okuno, Hector Rafael Enrique Chong-Quero, J. Benitez, Guillermo Sandoval Castillo, Rafael Caltenco Garcia, Andres Garcia Tecnologico de Monterrey School of Engineering and Science Mexico

ISBN: (纸本)9781665465489

this article shares the educational experiences obtained by using, as a didactic exercise, a "G"acceleration generator modeled in a CAD software tool application to help students understand the effects generated by angular velocities in different axes. this exercise was used in the course "Mechanical design"for students of Mechanical Engineering in the fourth semester. this work aims to show the learning stages that the students developed through different exercises. Even though the activities used are not new, their combination and a computer simulation tool to verify the calculations makes the learning experience beneficial for the students. Initially, the paper presents a review of the developments in Human Training Centrifuge systems, also known as High-G Centrifuge Systems (HCSs). Subsequently, the reason why an application such as the "G"acceleration generator as a didactic exercise was selected among the topics of Engineering Mechanics: Dynamics is mentioned. Afterward, the performed activities are described, then the professor's observations during the exercises' application and the survey results to know the students' perception of the activities developed are presented. Finally, the conclusions and future work are stated. © 2023 IEEE.

关键词： Students

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