发布求助
文献互助 智能选刊 最新文献

Proceedings of the ISCIE International Symposium on Stochastic Systems Theory and its Applications最新文献

筛选
英文 中文
Simultaneous design of two-stage gearboxes: an application of multimodal optimization 两级齿轮箱同步设计:多模态优化的应用
Proceedings of the ISCIE International Symposium on Stochastic Systems Theory and its Applications Pub Date : 2023-03-24 DOI: 10.5687/sss.2023.87
Satoshi Wakahara, Katsutoshi Yoshida, Yoshikazu Yamanaka
{"title":"Simultaneous design of two-stage gearboxes: an application of multimodal optimization","authors":"Satoshi Wakahara, Katsutoshi Yoshida, Yoshikazu Yamanaka","doi":"10.5687/sss.2023.87","DOIUrl":"https://doi.org/10.5687/sss.2023.87","url":null,"abstract":"In this paper, we propose a novel gearbox design method, called multiple gearbox optimization (MGO), that can simultaneously design multiple patterns of feasible gearbox. This MGO consists of a penalty handling method and a multimodal optimization method. The handling method converts an existing constrained gearbox design problem to unconstrained one. The multimodal optimization method is developed by making our previously proposed gravitational particle swarm algorithm (GPSA) to solve mixed-integer optimization problems. As the results, our MGO simultaneously designed more than 3 patterns of gearbox in a single run that satisfies all design constraints. The averaged number of designed pattern was 14.18.","PeriodicalId":238921,"journal":{"name":"Proceedings of the ISCIE International Symposium on Stochastic Systems Theory and its Applications","volume":"34 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-03-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136152060","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
Nash Linear Quadratic Game by State Feedback for Linear Discrete-Time Markovian Jump Systems 线性离散马尔可夫跳跃系统的状态反馈纳什线性二次对策
Proceedings of the ISCIE International Symposium on Stochastic Systems Theory and its Applications Pub Date : 2023-03-24 DOI: 10.5687/sss.2023.62
Gou Nakura
{"title":"Nash Linear Quadratic Game by State Feedback for Linear Discrete-Time Markovian Jump Systems","authors":"Gou Nakura","doi":"10.5687/sss.2023.62","DOIUrl":"https://doi.org/10.5687/sss.2023.62","url":null,"abstract":"In this paper, we study Nash game problems for linear discrete-time Markovian jump systems over finite time intervals. We introduce double coupled difference equatuons (CDREs) to give solutions of the game problems with multi-players. Using these solutions, we obtain Nash strategies by state feedback. In this paper, we focus on the derivation of the necessary conditions for the solvability of the game problems by variational approach.","PeriodicalId":238921,"journal":{"name":"Proceedings of the ISCIE International Symposium on Stochastic Systems Theory and its Applications","volume":"327 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-03-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136152062","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
Control of Multi-Robots with Monocular Camera for Chasing a Moving Object Using Pseudo-Measurements 基于伪测量的单目摄像机多机器人跟踪运动目标控制
Proceedings of the ISCIE International Symposium on Stochastic Systems Theory and its Applications Pub Date : 2023-03-24 DOI: 10.5687/sss.2023.56
Kenta Okamoto, Yuichi Sawada
{"title":"Control of Multi-Robots with Monocular Camera for Chasing a Moving Object Using Pseudo-Measurements","authors":"Kenta Okamoto, Yuichi Sawada","doi":"10.5687/sss.2023.56","DOIUrl":"https://doi.org/10.5687/sss.2023.56","url":null,"abstract":"This paper proposes a multi-robot system to estimate the position of an unknown moving object and track it. Concerning tracking mobile objects, it is important to know where the target is. To recognize the target, we consider attaching a monocular camera to each robot. The target’s position is calculated in two directions of the target from robots. However, since the camera’s information includes observation noises, it is difficult to use simply calculated positions to track the target. In this research, we employed an extended Kalman filter to estimate the position of a moving object. In addition, the estimation accuracy was improved by introducing pseudo-measurement. Each robot track target by optimal control based on the differential game theory. If the target and robots align, the noise is amplified because of triangulation. To avoid this situation, we employed virtual springs to control multi-robots formationFinally, numerical simulations in a two-dimensional plane were performed to verify the usefulness of this method.","PeriodicalId":238921,"journal":{"name":"Proceedings of the ISCIE International Symposium on Stochastic Systems Theory and its Applications","volume":"32 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-03-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136152053","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
Consistent estimate of a residuals covariance for the estimation of noise covariance 残差协方差的一致估计用于估计噪声协方差
Proceedings of the ISCIE International Symposium on Stochastic Systems Theory and its Applications Pub Date : 2023-03-24 DOI: 10.5687/sss.2023.75
Kenji Ikeda, Hideyuki Tanaka
{"title":"Consistent estimate of a residuals covariance for the estimation of noise covariance","authors":"Kenji Ikeda, Hideyuki Tanaka","doi":"10.5687/sss.2023.75","DOIUrl":"https://doi.org/10.5687/sss.2023.75","url":null,"abstract":"The authors derived a best linear unbiased estimate (BLUE) for the estimation of the noise covariance matrix, where the covariance matrix of the residuals of the linear regression equation is required. In the previous paper, the sample covariance of the residuals was given, but the consistency of the sample covariance was not analyzed. In this paper, theoretical analysis shows that the proposed sample covariance matrix is a consistent estimate of the covariance matrix in a certain sense.","PeriodicalId":238921,"journal":{"name":"Proceedings of the ISCIE International Symposium on Stochastic Systems Theory and its Applications","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-03-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136152059","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
On Birth–Death Processes of Battery Energy Storage Systems 电池储能系统的生灭过程研究
Proceedings of the ISCIE International Symposium on Stochastic Systems Theory and its Applications Pub Date : 2023-03-24 DOI: 10.5687/sss.2023.1
Feng-Rung Hu, Jia-Sheng Hu
{"title":"On Birth–Death Processes of Battery Energy Storage Systems","authors":"Feng-Rung Hu, Jia-Sheng Hu","doi":"10.5687/sss.2023.1","DOIUrl":"https://doi.org/10.5687/sss.2023.1","url":null,"abstract":"Battery technology is becoming more diverse; sodium-sulfur batteries that can operate at high temperatures and high-energy-density lead-acid or lithium-ion batteries for electric vehicles have been developed. However, these chemical battery types differ in their cycle lives. In this study, a theoretical stochastic process method was used to model the charge–discharge behavior and cycle life of batteries to increase the efficiency of battery storage systems. The developed modeling methodology represents the charging and discharging behavior of a battery using the birth and death rates of the birth–death process. However, the countable state space of the birth–death process generally cannot be used for a continuous representation of remaining energy. Hence, a Markov kernel was used to construct a positive real representation system for the remaining energy in a battery.","PeriodicalId":238921,"journal":{"name":"Proceedings of the ISCIE International Symposium on Stochastic Systems Theory and its Applications","volume":"419 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-03-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136152063","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
Stochastic Shortest Path Problem on Borel Space Considering Cost Distribution 考虑成本分布的Borel空间上的随机最短路径问题
Proceedings of the ISCIE International Symposium on Stochastic Systems Theory and its Applications Pub Date : 2023-03-24 DOI: 10.5687/sss.2023.46
Ritsusamuel Otsubo
{"title":"Stochastic Shortest Path Problem on Borel Space Considering Cost Distribution","authors":"Ritsusamuel Otsubo","doi":"10.5687/sss.2023.46","DOIUrl":"https://doi.org/10.5687/sss.2023.46","url":null,"abstract":"First, we define a stochastic shortest path problem (SSP) on Borel space considering the distribution of the total cost. Next, for this SSP, policy classes are set considering the number of steps to reach the terminal state for the first time, and a policy is designed for each class. There is no guarantee that the probability of a large total cost is small for a policy with a small expected value of total cost (expected total cost). The policy that minimizes the expected total cost or Conditional Value at Risk (CVaR) may not reach the terminal state. The proposed policy in this paper by the method of reducing to δ-perturbed problem (δ-PP) or the method of combining the policies obtained by discounted problems has a low probability of a large total cost and is guaranteed to reach the terminal state. Finally, we compare the proposed methods with the policy that minimizes the expected total cost or CVaR.","PeriodicalId":238921,"journal":{"name":"Proceedings of the ISCIE International Symposium on Stochastic Systems Theory and its Applications","volume":"65 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-03-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136152065","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
Development of a Safety Assistance System Based on Computer Vision for Mobility Scooters 基于计算机视觉的机动滑板车安全辅助系统的开发
Proceedings of the ISCIE International Symposium on Stochastic Systems Theory and its Applications Pub Date : 2023-03-24 DOI: 10.5687/sss.2023.19
Bowen Zhang, Masahiro Tanaka
{"title":"Development of a Safety Assistance System Based on Computer Vision for Mobility Scooters","authors":"Bowen Zhang, Masahiro Tanaka","doi":"10.5687/sss.2023.19","DOIUrl":"https://doi.org/10.5687/sss.2023.19","url":null,"abstract":"The authors have been developing an assistance system for mobility scooters. The users of mobility scooters are usually elderly people or visually impaired people. Thus, an additional warning system can assist them when driving. The goal of this warning assistance system is not to achieve autonomous driving, but to assist human-driven vehicles with sound or vibration. Realizing autonomous driving not only requires high cost but also has the problem of attribution of accident responsibility. A more feasible solution is to provide a warning system to assist driving. This paper describes the design of our system, where the perception of various dangerous information is performed via vision algorithms and visual sensors. Finally, we demonstrate some preliminary recognition results through practical experiments.","PeriodicalId":238921,"journal":{"name":"Proceedings of the ISCIE International Symposium on Stochastic Systems Theory and its Applications","volume":"49 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-03-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136152056","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
Estimation of Bivariate SVAR Systems via Random Perturbations 基于随机扰动的二元SVAR系统估计
Proceedings of the ISCIE International Symposium on Stochastic Systems Theory and its Applications Pub Date : 2023-03-24 DOI: 10.5687/sss.2023.69
Yoji Morita, Yoshitaka Sawada, Shigeyoshi Miyagawa
{"title":"Estimation of Bivariate SVAR Systems via Random Perturbations","authors":"Yoji Morita, Yoshitaka Sawada, Shigeyoshi Miyagawa","doi":"10.5687/sss.2023.69","DOIUrl":"https://doi.org/10.5687/sss.2023.69","url":null,"abstract":"A new approach is proposed for estimating bivariate SVAR systems with Gaussian distribution shocks. Each sequence of independent shocks has two unknown variance parameters and a structural matrix also leaves their non-diagonal elements unknown. So, there are four unknown parameters, while the symmetric covariance matrix of the residuals in reduced VAR gives us three components. We propose an estimation method such that a new variable with independent Gaussian distributions is added to the original 2-d system. By setting a structural matrix with three unknown parameters and taking three variance parameters into consideration, the number of unknwn parameters becomes six, and we can solve this 3-d SVAR system whose covariance matrix gives us six components. Since the residuals in 3-d system are disturbed by a new noise variable, the estimated parameters are changed from those of 2-d system. By finding 3-d system depending on a perturbed new noise variable whose black line is very close to that of the original 2-d system, we can estimate the true set of parameters as an intersection point of two black lines. Simulation experiments support the utility of our estimation method.","PeriodicalId":238921,"journal":{"name":"Proceedings of the ISCIE International Symposium on Stochastic Systems Theory and its Applications","volume":"90 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-03-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136152057","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
Efficient numerical computation of the ruin probability 破产概率的高效数值计算
Proceedings of the ISCIE International Symposium on Stochastic Systems Theory and its Applications Pub Date : 2023-03-24 DOI: 10.5687/sss.2023.35
Hiroko Soutome, Naoyuki Ishimura, Hitoshi Imai
{"title":"Efficient numerical computation of the ruin probability","authors":"Hiroko Soutome, Naoyuki Ishimura, Hitoshi Imai","doi":"10.5687/sss.2023.35","DOIUrl":"https://doi.org/10.5687/sss.2023.35","url":null,"abstract":"Efficient numerical procedure for the ruin/survival probability is proposed, which is concerned with a new numerical scheme of the integral equation describing the behavior of the ruin/survival probability. Properly transforming the infinite domain of integration of the equation into a bounded interval, we bypass the problem of truncation range and then we apply the Chebyshev-Gauss-Radau collocation method. Numerical experiments of test problems involving the Pareto distribution ensure that our method works well also in the asymptotic behavior.","PeriodicalId":238921,"journal":{"name":"Proceedings of the ISCIE International Symposium on Stochastic Systems Theory and its Applications","volume":"86 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-03-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136152061","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
Simplified Initial Setting of a Nurse Call System Driven by Eye Movement Using Image Processing 利用图像处理简化眼动驱动的护士呼叫系统初始设置
Proceedings of the ISCIE International Symposium on Stochastic Systems Theory and its Applications Pub Date : 2023-03-24 DOI: 10.5687/sss.2023.8
Shutaro Ono, Takenao Sugi, Yoshitaka Matsuda, Satoru Goto, Naruto Egashira, Ayame Oishi, Takao Yamasaki
{"title":"Simplified Initial Setting of a Nurse Call System Driven by Eye Movement Using Image Processing","authors":"Shutaro Ono, Takenao Sugi, Yoshitaka Matsuda, Satoru Goto, Naruto Egashira, Ayame Oishi, Takao Yamasaki","doi":"10.5687/sss.2023.8","DOIUrl":"https://doi.org/10.5687/sss.2023.8","url":null,"abstract":"In this research, a nurse call system with simplified initial setting is developed. The system is constructed by improving an existing nurse call system driven by eye movement, where the movement is detected by image processing. In the initial setting of previous research, template images for the detection of face and eye were created manually. However, it was not easy for system operator to generate suitable template images. To solve this problem, in the research, automatic generation of template images is attempted to simplify the initial setting. The system with simplified initial setting is realized by introducing gamma correction, cascade classifier and false positive rejection. The usefulness of the proposed system was verified through operation of not only initial setting but also nurse call.","PeriodicalId":238921,"journal":{"name":"Proceedings of the ISCIE International Symposium on Stochastic Systems Theory and its Applications","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-03-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136152066","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
下一页 尾页
0
×
引用
GB/T 7714-2015
复制
MLA
复制
APA
复制
导出至
BibTeX EndNote RefMan NoteFirst NoteExpress
×
提示
您的信息不完整，为了账户安全，请先补充。
现在去补充
×
提示
您因"违规操作"
具体请查看互助需知
我知道了
×
提示
现在去查看 取消
×
提示
确定
请完成安全验证×
相关产品
×
本文献相关产品
联系我们：info@booksci.cn Book学术提供免费学术资源搜索服务，方便国内外学者检索中英文文献。致力于提供最便捷和优质的服务体验。 Copyright © 2023 布克学术 All rights reserved.
京ICP备2023020795号-1
ghs 京公网安备 11010802042870号
Book学术文献互助
Book学术文献互助群
群 号：604180095
Book学术官方微信
小红书