Jsme International Journal Series C-mechanical Systems Machine Elements and Manufacturing最新文献

Tunnel Ventilation Control Using Reinforcement Learning Methodology 基于强化学习方法的隧道通风控制

Jsme International Journal Series C-mechanical Systems Machine Elements and Manufacturing Pub Date : 2006-12-15 DOI: 10.1299/JSMEC.49.1003

Baeksuk Chu, Dongnam Kim, D. Hong, Jooyoung Park, J. Chung, Tae Hyung Kim

{"title":"Tunnel Ventilation Control Using Reinforcement Learning Methodology","authors":"Baeksuk Chu, Dongnam Kim, D. Hong, Jooyoung Park, J. Chung, Tae Hyung Kim","doi":"10.1299/JSMEC.49.1003","DOIUrl":"https://doi.org/10.1299/JSMEC.49.1003","url":null,"abstract":"The main purpose of tunnel ventilation system is to maintain CO pollutant concentration and VI (visibility index) under an adequate level to provide drivers with comfortable and safe driving environment. Moreover, it is necessary to minimize power consumption used to operate ventilation system. To achieve the objectives, the control algorithm used in this research is reinforcement learning (RL) method. RL is a goal-directed learning of a mapping from situations to actions without relying on exemplary supervision or complete models of the environment. The goal of RL is to maximize a reward which is an evaluative feedback from the environment. In the process of constructing the reward of the tunnel ventilation system, two objectives listed above are included, that is, maintaining an adequate level of pollutants and minimizing power consumption. RL algorithm based on actor-critic architecture and gradient-following algorithm is adopted to the tunnel ventilation system. The simulations results performed with real data collected from existing tunnel ventilation system and real experimental verification are provided in this paper. It is confirmed that with the suggested controller, the pollutant level inside the tunnel was well maintained under allowable limit and the performance of energy consumption was improved compared to conventional control scheme.","PeriodicalId":151961,"journal":{"name":"Jsme International Journal Series C-mechanical Systems Machine Elements and Manufacturing","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116662517","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

The Controllable Ball Joint Mechanism 可控球关节机构

Jsme International Journal Series C-mechanical Systems Machine Elements and Manufacturing Pub Date : 2006-12-15 DOI: 10.1299/JSMEC.49.1151

Y. Tung, W. Chieng, ShrWai Ho

引用次数: 1

Recyclability Evaluation Method Considering Material Combination and Degradation 考虑材料组合和降解的可回收性评价方法

Jsme International Journal Series C-mechanical Systems Machine Elements and Manufacturing Pub Date : 2006-12-15 DOI: 10.1299/JSMEC.49.1232

N. Oyasato, Hideki Kobayashi

引用次数: 5

MRAC Combined Neural Networks for Ultra-Sonic Motor 超声电机的MRAC组合神经网络

Jsme International Journal Series C-mechanical Systems Machine Elements and Manufacturing Pub Date : 2006-12-15 DOI: 10.1299/JSMEC.49.1084

Kanya Tanaka, Y. Yoshimura

引用次数: 2

A new algorithm for bi-directional evolutionary structural optimization 一种新的双向进化结构优化算法

Jsme International Journal Series C-mechanical Systems Machine Elements and Manufacturing Pub Date : 2006-12-15 DOI: 10.1299/JSMEC.49.1091

Xiaodong Huang, Y. Xie, M. Burry

引用次数: 78

Coefficient of Friction between Tool and Material in Shearing 剪切过程中刀具与材料的摩擦系数

Jsme International Journal Series C-mechanical Systems Machine Elements and Manufacturing Pub Date : 2006-12-15 DOI: 10.1299/JSMEC.49.1171

M. Sasada, K. Shimura, I. Aoki

引用次数: 4

Subjective Evaluations of Motion Area and Velocity Characteristics of Dual Manipulator in Young and Elderly People 青年和老年人双机械臂运动面积和速度特性的主观评价

Jsme International Journal Series C-mechanical Systems Machine Elements and Manufacturing Pub Date : 2006-12-15 DOI: 10.1299/JSMEC.49.1100

M. Yoda, A. Yoda, Y. Shiota

引用次数: 0

Quantitative Evaluation of Strain Near Tooth Fillet by Image Processing 基于图像处理的齿角附近应变定量评价

Jsme International Journal Series C-mechanical Systems Machine Elements and Manufacturing Pub Date : 2006-12-15 DOI: 10.1299/JSMEC.49.1131

T. Masuyama, Satoshi Yoshiizumi, K. Inoue

引用次数: 1

Experimental Study of Collision Motion, Contact Force and Adhesion Force of Hemispherical Sliders with Stationary Magnetic Disks 固定磁盘半球形滑块碰撞运动、接触力和粘附力的实验研究

Jsme International Journal Series C-mechanical Systems Machine Elements and Manufacturing Pub Date : 2006-12-15 DOI: 10.1299/JSMEC.49.1159

K. Ono, K. Nakagawa

{"title":"Experimental Study of Collision Motion, Contact Force and Adhesion Force of Hemispherical Sliders with Stationary Magnetic Disks","authors":"K. Ono, K. Nakagawa","doi":"10.1299/JSMEC.49.1159","DOIUrl":"https://doi.org/10.1299/JSMEC.49.1159","url":null,"abstract":"In this paper, an experimental study of measuring the dynamic meniscus force and the contact force when hemispherical glass sliders bounce on stationary magnetic disks is presented. We prepared hemispherical glass sliders with radii of 1.0 and 2.0mm supported by slender cantilever beams and magnetic disks with 0-, 1-, 2-, and 3-nm-thick lubricant layers with and without ultraviolet (UV) irradiation. In the case of a 1-mm-radius slider with a surface roughness of 1.7nm in Ra, we found that an adhesion force can be clearly observed at the instant of separation under any lubricant condition except the one case of 1-nm-thick lubricant with UV. Typical data of displacement, velocity and acceleration of bouncing motion prove that the adhesion force originates from meniscus force rather than from van der Waals force. We also found that the maximum dynamic adhesion force is close to the static meniscus force. However, in the case of 3-nm-thick lubricant without UV, the dynamic adhesion force increases significantly, probably because of the effect of a squeeze film acting as a viscous fluid. In contrast, the smooth 2-mm-radius slider does not show a clear adhesion force at an impact velocity higher larger than 1.5mm/s. We also found that the maximum contact force versus penetration depth can be estimated well using the Hertz contact theory for the contact between a smooth sphere and a flat.","PeriodicalId":151961,"journal":{"name":"Jsme International Journal Series C-mechanical Systems Machine Elements and Manufacturing","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134005910","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: 15

Adaptive Accommodation Control Method for Complex Assembly 复杂装配的自适应调节控制方法

Jsme International Journal Series C-mechanical Systems Machine Elements and Manufacturing Pub Date : 2006-12-15 DOI: 10.1299/JSMEC.49.994

Sungchul Kang, Munsang Kim, Shinsuk Park

引用次数: 2