Volume 1B: 38th Computers and Information in Engineering Conference最新文献_第3页

Real-Time Occlusion Between Real and Digital Objects in Augmented Reality 增强现实中真实和数字对象之间的实时遮挡

Volume 1B: 38th Computers and Information in Engineering Conference Pub Date : 2018-08-26 DOI: 10.1115/DETC2018-86346

Kevin Lesniak, Conrad S. Tucker

{"title":"Real-Time Occlusion Between Real and Digital Objects in Augmented Reality","authors":"Kevin Lesniak, Conrad S. Tucker","doi":"10.1115/DETC2018-86346","DOIUrl":"https://doi.org/10.1115/DETC2018-86346","url":null,"abstract":"The method presented in this work reduces the frequency of virtual objects incorrectly occluding real-world objects in Augmented Reality (AR) applications. Current AR rendering methods cannot properly represent occlusion between real and virtual objects because the objects are not represented in a common coordinate system. These occlusion errors can lead users to have an incorrect perception of the environment around them when using an AR application, namely not knowing a real-world object is present due to a virtual object incorrectly occluding it and incorrect perception of depth or distance by the user due to incorrect occlusions. The authors of this paper present a method that brings both real-world and virtual objects into a common coordinate system so that distant virtual objects do not obscure nearby real-world objects in an AR application. This method captures and processes RGB-D data in real-time, allowing the method to be used in a variety of environments and scenarios. A case study shows the effectiveness and usability of the proposed method to correctly occlude real-world and virtual objects and provide a more realistic representation of the combined real and virtual environments in an AR application. The results of the case study show that the proposed method can detect at least 20 real-world objects with potential to be incorrectly occluded while processing and fixing occlusion errors at least 5 times per second.","PeriodicalId":338721,"journal":{"name":"Volume 1B: 38th Computers and Information in Engineering Conference","volume":"77 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-08-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126224047","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1

Automating Structural Modeling of Composites Enriched by X-Ray Micro-Tomography and Digital Imaging Data 基于x射线微层析成像和数字成像数据的复合材料自动结构建模

Volume 1B: 38th Computers and Information in Engineering Conference Pub Date : 2018-08-26 DOI: 10.1115/DETC2018-86062

A. Iliopoulos, J. Michopoulos, J. Steuben, A. Birnbaum, J. Lua, A. Karuppiah, W. Seneviratne, C. Saathoff

引用次数: 0

Simulation of Product Performance Based on Real Product-Usage Information: First Results of Practical Application to Domestic Refrigerators 基于真实产品使用信息的产品性能仿真:在家用冰箱实际应用中的初步成果

Volume 1B: 38th Computers and Information in Engineering Conference Pub Date : 2018-08-26 DOI: 10.1115/DETC2018-85899

W. F. V. D. Vegte, Fatih Kurt, Oguz Kerem Sengöz

{"title":"Simulation of Product Performance Based on Real Product-Usage Information: First Results of Practical Application to Domestic Refrigerators","authors":"W. F. V. D. Vegte, Fatih Kurt, Oguz Kerem Sengöz","doi":"10.1115/DETC2018-85899","DOIUrl":"https://doi.org/10.1115/DETC2018-85899","url":null,"abstract":"Today’s connected products increasingly allow us to collect and analyze information on how they are actually used. An engineering activity where usage data can prove particularly useful, and be converted to actionable engineering knowledge, is simulation: user behavior is often hard to model, and collected data representing real user interactions as simulation input can increase realism of simulations. This is especially useful for (i) investigating use-related phenomena that influence the product’s performance and (ii) evaluating design variations on how they succeed in coping with real users and their behaviors. In this paper we explored time-stamped usage data from connected refrigerators, investigating the influence of door openings on energy consumption and evaluating control-related design variations envisaged to mitigate negative effects of door openings. We used a fast-executing simulation setup that allowed us to simulate much faster than real time and investigate usage over a longer time. According to our first outcomes, door openings do not affect energy consumption as much as some literature suggests. Through what-if studies we could evaluate three design variations and nevertheless point out that particular solution elements resulted in better ways of dealing with door openings in terms of energy consumption.","PeriodicalId":338721,"journal":{"name":"Volume 1B: 38th Computers and Information in Engineering Conference","volume":"85 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-08-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116189179","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 4

Virtual Reality Applications: Guidelines to Design Natural User Interface 虚拟现实应用:设计自然用户界面的指南

Volume 1B: 38th Computers and Information in Engineering Conference Pub Date : 2018-08-26 DOI: 10.1115/DETC2018-85867

D. Regazzoni, C. Rizzi, A. Vitali

引用次数: 13

The Effect of Pulse Compression Chirp Parameters on Profilometry Information and Resolution 脉冲压缩啁啾参数对轮廓测量信息和分辨率的影响

Volume 1B: 38th Computers and Information in Engineering Conference Pub Date : 2018-08-26 DOI: 10.1115/DETC2018-85613

Zuwen Sun, N. Baddour

{"title":"The Effect of Pulse Compression Chirp Parameters on Profilometry Information and Resolution","authors":"Zuwen Sun, N. Baddour","doi":"10.1115/DETC2018-85613","DOIUrl":"https://doi.org/10.1115/DETC2018-85613","url":null,"abstract":"Recent developments in imaging systems have seen the implementation of a radar matched-filtering approach. The goal of the imaging system is to obtain information about an unknown object embedded in the system, by controlling the parameters of the input and measuring the response to the known input. The main merit of using matched filtering in imaging systems is the improvement of Signal to Noise Ratio (SNR). However, the correlation process used in matched filtering may result in a loss of resolution. One way to compensate for lost resolution is via pulse compression. Linear frequency modulated sinusoidal waveforms (chirps) have the property of pulse compression after correlation. Hence, both SNR and resolution can be enhanced by matched-filtering and pulse compression with a chirp. However, the theory behind the effect of chirp parameters on resolution is still not clear. In this paper, a one-dimensional theory of matched-filter imaging with a pulse compressed linear frequency modulated sinusoidal chirp is developed. The effect of the chirp parameters on the corresponding signal is investigated, and guidelines for choosing the chirp parameters for resolution considerations are given based on the developed theory and simulations. The results showed that by manipulating the center frequency, bandwidth, and duration of the chirp, the resolution can be easily enhanced.","PeriodicalId":338721,"journal":{"name":"Volume 1B: 38th Computers and Information in Engineering Conference","volume":"55 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-08-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129242314","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Simulating Occupant Response to Low Speed, Automotive Rear-End Collisions 模拟乘员对低速汽车追尾碰撞的反应

Volume 1B: 38th Computers and Information in Engineering Conference Pub Date : 2018-08-26 DOI: 10.1115/DETC2018-86340

Elisabeth Kames, David Thiess, Paul Kepinski, Ryan Zaremba, Beshoy Morkos

{"title":"Simulating Occupant Response to Low Speed, Automotive Rear-End Collisions","authors":"Elisabeth Kames, David Thiess, Paul Kepinski, Ryan Zaremba, Beshoy Morkos","doi":"10.1115/DETC2018-86340","DOIUrl":"https://doi.org/10.1115/DETC2018-86340","url":null,"abstract":"This paper outlines the modeling and analysis of an occupant’s response to a low speed, in-line, rear end collision. The response of the occupant was modeled using two methods; MATLAB was used to model the equations of motion of the occupant’s head, neck and spine and ANSYS Workbench was used to perform a structural analysis of the occupant’s spine and head.\u0000 The occupant was assumed to be an average sized male, with a spine length of about 30”. The occupant was also assumed to be unaware of the impact, therefore not bracing themselves against the impact. Both of the vehicles were assumed to be 2000 kg. The leading (target) vehicle is stopped producing a velocity of 0 km/h, and the trailing (bullet) vehicle is going 16.1 km/h (10mph) producing an acceleration on impact of 22.35 m/s2. Both the MATLAB model and ANSYS model assumed that the occupant was not wearing a seat belt.\u0000 The ANSYS simulation produced an acceleration of the head of 9.40 g’s, while the MATLAB model produced 5.10 g’s of acceleration at the head. These values were compared to literature of experimental crash tests.\u0000 The results obtained from the two models were compared to one another as well as literature values from multiple sources to validate the results obtained. This report will outline the formulation of the two models, the results obtained from the two models, a comparison between the models, and a comparison to literature results for experimental test data.","PeriodicalId":338721,"journal":{"name":"Volume 1B: 38th Computers and Information in Engineering Conference","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-08-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133182560","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Blended Spaces: Collaborative Work and Computer Supported Learning and Tools 混合空间:协同工作和计算机支持的学习和工具

Volume 1B: 38th Computers and Information in Engineering Conference Pub Date : 2018-08-26 DOI: 10.1115/DETC2018-85205

R. E. Wendrich

引用次数: 0

Knowledge-Based Artificial Neural Network (KB-ANN) in Engineering: Associating Functional Architecture Modeling, Dimensional Analysis and Causal Graphs to Produce Optimized Topologies for KB-ANNs 工程中基于知识的人工神经网络(KB-ANN):关联功能架构建模、量纲分析和因果图以生成KB-ANN的优化拓扑

Volume 1B: 38th Computers and Information in Engineering Conference Pub Date : 2018-08-26 DOI: 10.1115/DETC2018-85895

E. Coatanéa, V. Tsarkov, S. Modi, Di Wu, G. Wang, Hesam Jafarian

{"title":"Knowledge-Based Artificial Neural Network (KB-ANN) in Engineering: Associating Functional Architecture Modeling, Dimensional Analysis and Causal Graphs to Produce Optimized Topologies for KB-ANNs","authors":"E. Coatanéa, V. Tsarkov, S. Modi, Di Wu, G. Wang, Hesam Jafarian","doi":"10.1115/DETC2018-85895","DOIUrl":"https://doi.org/10.1115/DETC2018-85895","url":null,"abstract":"This article documents a study on artificial neural networks (ANNs) applied to the field of engineering and more specifically a study taking advantage of prior domain knowledge of engineering systems to improve the learning capabilities of ANNs by reducing the dimensionality of the ANNs. The proposed approach ultimately leads to training a smaller ANN, offering advantage in training performances such as lower Mean Squared Error, lower cost and faster convergence. The article proposes to associate functional architecture, Pi numbers, and causal graphs and presents a design process to generate optimized knowledge-based ANN (KB-ANN) topologies. The article starts with a literature survey related to ANN and their topologies. Then, an important distinction is made between system behavior centered topologies and ANN centered topologies. The Dimensional Analysis Conceptual Modeling (DACM) framework is introduced as a way of implementing the system behavior centered topology. One case study is analyzed with the goal of defining an optimized KB-ANN topology. The study shows that the KB-ANN topology performed significantly better in term of the size of the required training set than a conventional fully-connected ANN topology. Future work will investigate the application of KB-ANNs to additive manufacturing.","PeriodicalId":338721,"journal":{"name":"Volume 1B: 38th Computers and Information in Engineering Conference","volume":"30 9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-08-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131477882","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1

An Approach for Building Product Use-Case Scenarios in Different Virtual Reality Systems 在不同虚拟现实系统中构建产品用例场景的方法

Volume 1B: 38th Computers and Information in Engineering Conference Pub Date : 2018-08-26 DOI: 10.1115/DETC2018-85223

Atif Mahboob, S. Husung, C. Weber, Andreas Liebal, Heidi Krömker

{"title":"An Approach for Building Product Use-Case Scenarios in Different Virtual Reality Systems","authors":"Atif Mahboob, S. Husung, C. Weber, Andreas Liebal, Heidi Krömker","doi":"10.1115/DETC2018-85223","DOIUrl":"https://doi.org/10.1115/DETC2018-85223","url":null,"abstract":"During the product development process, it is of great importance to consider the later life phase situations of a product. This includes the interaction of the product with its environment and the human actor(s) in its different life phases. Therefore, an early evaluation of a product and its later life phase interactions are of great value. Virtual Reality (VR) technology is seen as very important at this point, as it can help the designer to realize the later life phase situations of a product inside VR. However, the preparation of VR-scenes remains a difficult task, as it requires a great amount of time and effort. Furthermore, the current methods for the preparation of such scenes offer very limited reusability.\u0000 This paper will focus on an existing method that uses Model Based Systems Engineering (MBSE) to describe the VR-scene for a CAVE-type VR-system. This method will be further extended and an improvement to the existing modeling approach will be presented to achieve a faster simulation in VR and reusability of VR-scenes. Furthermore, a detailed comparison of the conventional and the new approach will be presented. The new approach enables a faster simulation that will be validated by comparing the execution speed of both approaches under the modeling approach section. The reusability perspective of the prepared VR-scene will also be discussed.\u0000 A Head Mounted Display (HMD), in comparison with CAVE type VR-systems, offers a cost reduction in the use of VR technology. This paper will also provide the idea for achieving a simulation in HMD while using the same MBSE-approach used for CAVE type VR-systems. The flow of information for simulation in HMD and the idea of implementation will be presented in detail.","PeriodicalId":338721,"journal":{"name":"Volume 1B: 38th Computers and Information in Engineering Conference","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-08-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116866348","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 3

Multiple Modalities, Sensoriums, Experiences in Blended Spaces With Toolness and Tools for Conceptual Design Engineering 概念设计工程的工具性与混合空间的多重模态、感官、体验

Volume 1B: 38th Computers and Information in Engineering Conference Pub Date : 2018-08-26 DOI: 10.1115/DETC2018-85204

R. E. Wendrich

引用次数: 1