{"title":"Requirement Development of a Robot that Supports Construction Management Using Tracked Vehicle for Rough Terrain","authors":"Aiko Ohtsuka, Atsuo Kawaguchi, Masuyoshi Yachida, Koichi Kudo, Ryota Yamashina, Takayuki Fujii, Yoshitaka Yanagihara","doi":"10.20965/jrm.2023.p1267","DOIUrl":"https://doi.org/10.20965/jrm.2023.p1267","url":null,"abstract":"We conducted a study on the user experience design process ((i) research and analysis, (ii) concept design, and (iii) prototyping) to identify the requirements for a robot for supporting construction management. From this study, seven hypotheses were obtained for these requirements. One horizontal prototype satisfying three of these hypothesized requirements and three local prototypes satisfying one hypothesis each were created. The prototypes were evaluated in the field. The remaining one hypothesis was not tested at this time due to the longer trial period required for validation. It would be more appropriate to validate it during the evaluation of the vertical prototype or the system as a whole. Based on the results of the field evaluation, it was made clear that the hypothesized six requirements are reasonable requirements for a robot to support construction management.","PeriodicalId":51661,"journal":{"name":"Journal of Robotics and Mechatronics","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135567882","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}
{"title":"Visual Emotion Recognition Through Multimodal Cyclic-Label Dequantized Gaussian Process Latent Variable Model","authors":"Naoki Saito, Keisuke Maeda, Takahiro Ogawa, Satoshi Asamizu, Miki Haseyama","doi":"10.20965/jrm.2023.p1321","DOIUrl":"https://doi.org/10.20965/jrm.2023.p1321","url":null,"abstract":"A multimodal cyclic-label dequantized Gaussian process latent variable model (mCDGP) for visual emotion recognition is presented in this paper. Although the emotion is followed by various emotion models that describe cyclic interactions between them, they should be represented as precise labels respecting the emotions’ continuity. Traditional feature integration approaches, however, are incapable of reflecting circular structures to the common latent space. To address this issue, mCDGP uses the common latent space and the cyclic-label dequantization by maximizing the probability function utilizing the cyclic-label feature as one of the observed features. The likelihood maximization problem provides limits to preserve the emotions’ circular structures. Then mCDGP increases the number of dimensions of the common latent space by translating the rough label to the detailed one by label dequantization, with a focus on emotion continuity. Furthermore, label dequantization improves the ability to express label features by retaining circular structures, making accurate visual emotion recognition possible. The main contribution of this paper is the implementation of feature integration through the use of cyclic-label dequantization.","PeriodicalId":51661,"journal":{"name":"Journal of Robotics and Mechatronics","volume":"70 2","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135568010","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}
{"title":"Local Curvature Estimation and Grasp Stability Prediction Based on Proximity Sensors on a Multi-Fingered Robot Hand","authors":"Yosuke Suzuki, Ryoya Yoshida, Tokuo Tsuji, Toshihiro Nishimura, Tetsuyou Watanabe","doi":"10.20965/jrm.2023.p1340","DOIUrl":"https://doi.org/10.20965/jrm.2023.p1340","url":null,"abstract":"This study aims to realize a precision grasp of unknown-shaped objects. Precision grasping requires a detailed understanding of the surface shapes such as concavity and convexity. If an accurate shape model is not given in advance, it must be addressed by sensing. We have proposed a method for recognizing detailed object shapes using proximity sensors equipped on each fingertip of a multi-fingered robot hand. Direct sensing of the object’s surface from the fingertips enables both avoidance of unintended collision during the approach process and recognition of surface profiles for use in planning and executing stable grasping. This paper introduces local surface curvature estimation to improve the accuracy of local surface recognition. We propose practical and accurate models to estimate local curvature based on various characteristic tests on the proximity sensor and to estimate the distance to the nearest point. In actual experiments, it was shown that it was possible to estimate the position of the nearest point with a mean error of less than 2 mm and to predict grasping stability in reasonable real-time for the object shape.","PeriodicalId":51661,"journal":{"name":"Journal of Robotics and Mechatronics","volume":"57 2","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135567292","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}
{"title":"Fabrication of a Magnetically Driven Cell-Stretching Device for Predefined Cell Alignment <i>in Vitro</i>","authors":"Tasuku Nakahara, Sora Ono, Kazuyuki Minami","doi":"10.20965/jrm.2023.p1143","DOIUrl":"https://doi.org/10.20965/jrm.2023.p1143","url":null,"abstract":"Various devices have been developed that use stretching silicone sheets to evaluate cellular mechanotransduction. However, few studies have explored predefined cell alignments using mechanical stimuli for engineering applications, including cell sheets and drug screenings. Therefore, we proposed a magnetically driven cell-stretching device for predefined cell alignment in vitro , which consisted mainly of a circular silicone membrane with a neodymium magnet and standard cell culture dish. As the proposed device was incorporated into a cell culture dish, there may be a small risk of contamination in long-term incubation experiments. The device was fabricated by assembling a polydimethylsiloxane membrane and silicone ring. The fabricated device showed that the membrane strain increased with increasing voltage application to the electromagnet, and indicated that cell alignment occurs when strain exceeds 0.8%. Following cyclic stimulation of cells adhered to a membrane for 4 h in a CO 2 incubator with 1.05% strain at 0.1 Hz, cell alignment with the predefined direction increased by 20.4% compared to that before stimulation. The findings imply that the proposed device may be utilized for predefined cell alignment.","PeriodicalId":51661,"journal":{"name":"Journal of Robotics and Mechatronics","volume":"39 3","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135567298","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}
{"title":"Experimental Evaluation of Highly Accurate 3D Measurement Using Stereo Camera and Line Laser","authors":"Shunya Nonaka, Sarthak Pathak, Kazunori Umeda","doi":"10.20965/jrm.2023.p1374","DOIUrl":"https://doi.org/10.20965/jrm.2023.p1374","url":null,"abstract":"This paper proposes a method to improve the accuracy of 3D measurement of a stereo camera by marking a measured object using a line laser. Stereo cameras are commonly used for 3D measurement, but the accuracy of 3D measurement is affected by the amount of texture. Therefore, a new measurement system combining a stereo camera and a line laser is developed. The accuracy of 3D measurement with a stereo camera is improved by using a line laser to mark arbitrary points on the measured object and measuring the marked points, regardless of the amount of texture on the measured object. Because the laser is only used to mark points on the measurement target, calibration is not required with the stereo camera. Experimental evaluation showed that our proposed method can obtain millimeters.","PeriodicalId":51661,"journal":{"name":"Journal of Robotics and Mechatronics","volume":"112 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135568012","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}
{"title":"Bio-MEMS Devices for Medical and Healthcare Measurements from the Body Surface","authors":"Yoichi Haga, Noriko Tsuruoka","doi":"10.20965/jrm.2023.p1123","DOIUrl":"https://doi.org/10.20965/jrm.2023.p1123","url":null,"abstract":"In the present study, we describe attempts to develop medical/healthcare measurement devices from the body surface using microfabrication technology. These devices can be divided into two types: internal vessel diameter measurement from the body surface using ultrasound to measure blood pressure and vascular tone, and collection and measurement of biological substances and collection of cells from the body surface.","PeriodicalId":51661,"journal":{"name":"Journal of Robotics and Mechatronics","volume":"59 3","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135568017","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}
{"title":"Speech-Driven Avatar Robot System with Changing Complexion for the Visualization of an Interactive Atmosphere","authors":"Yoshihiro Sejima, Liheng Yang, Saki Inagaki, Daiki Morita","doi":"10.20965/jrm.2023.p1331","DOIUrl":"https://doi.org/10.20965/jrm.2023.p1331","url":null,"abstract":"Smooth interactions between talkers can be realized by transmitting and receiving mutual video images and voices in remote communication. However, in such remote communication, it is difficult to generate a sense of unity and an interactive atmosphere because humans recognize screens as a boundary of the physical space. Therefore, it is essential to develop a communication system that can generate and share an interactive atmosphere and interaction-activated communication even if talkers are in remote places. In this study, we developed a speech-driven avatar robot system incorporating an estimation model that simulates the degree of activated communication based on the talker’s speech. The developed avatar robot system can visualize an interactive atmosphere while changing the complexion based on an estimated value. The effectiveness of the developed system was demonstrated by means of sensory evaluations.","PeriodicalId":51661,"journal":{"name":"Journal of Robotics and Mechatronics","volume":"70 5","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135567296","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}
{"title":"Decentralized Control Mechanism Underlying Morphology-Dependent Quadruped Turning","authors":"Hayato Amaike, Akira Fukuhara, Takeshi Kano, Akio Ishiguro","doi":"10.20965/jrm.2023.p1290","DOIUrl":"https://doi.org/10.20965/jrm.2023.p1290","url":null,"abstract":"Quadruped mammals can control the movement of their center of gravity when turning by skillfully utilizing their bodies to achieve adaptive turning movements. Interestingly, the low-speed turning behavior also changes depending on the animal’s morphology. Therefore, this study aims to understand the control algorithm of low-speed turning, which can reproduce the turning behavior according to the location of the center of gravity. Specifically, we constructed a control algorithm based on the knowledge that animals steer with the leg closest to the center of gravity and verified it with a quadruped robot whose center of gravity could be adjusted. Consequently, the behavior observed in animals was successfully reproduced, with a stable and large turning angle per time when the proposed control algorithm was used.","PeriodicalId":51661,"journal":{"name":"Journal of Robotics and Mechatronics","volume":"70 4","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135567301","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}
{"title":"Behavior Learning System for Robot Soccer Using Neural Network","authors":"Moeko Tominaga, Yasunori Takemura, Kazuo Ishii","doi":"10.20965/jrm.2023.p1385","DOIUrl":"https://doi.org/10.20965/jrm.2023.p1385","url":null,"abstract":"With technological developments, the prospect of a human-robot symbiotic society has emerged. A soccer game has characteristics similar to those expected in such a society. Soccer is a multiagent game in which the strategy employed depends on each agent’s position and actions. This paper discusses the results of the development of a learning system that uses a self-organizing map to select behaviors depending on the scenario (two-dimensional absolute coordinates of the agent, other agents, and the ball). The system can reproduce the action-selection algorithms of all the players on a certain team, and the robot can instantly select the next cooperative action from information obtained during the game. Thus, common-sense rules can be shared to learn an action-selection algorithm for a set of both human and robot agents.","PeriodicalId":51661,"journal":{"name":"Journal of Robotics and Mechatronics","volume":"46 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135567297","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}
{"title":"Deformation and Trapping of Cell Nucleus Using Micropillar Substrates Possibly Affect UV Radiation Resistance of DNA","authors":"Kazuaki Nagayama, Chiaki Sagawa, Akiko Sato","doi":"10.20965/jrm.2023.p1158","DOIUrl":"https://doi.org/10.20965/jrm.2023.p1158","url":null,"abstract":"DNA damage induced by the ultraviolet (UV) light, which affects adversely on genome stability, causes many kinds of diseases. Thus, a biochemical or biomechanical method in DNA damage protection is well required. In the present study, we investigated the effects of mechanical factors, such as deformation of cell nucleus using polydimethylsiloxane (PDMS)-based microfabricated array of micropillars, on UV radiation resistance of DNA in cultured cells. The epithelial-like cells spread normally in the spaces between micropillars and their nuclei showed remarkable deformation and appeared to be “trapped” mechanically on the array of pillars. We found that the UV radiation-induced DNA damage estimated by the fluorescent intensity of the phospho-histone γ-H2AX, was significantly inhibited with the nucleus deformation on the pillars. The result indicates that the inhibition of UV radiation-induced DNA damages might be resulted from structural change of DNA caused by the mechanical stress of the cell nucleus on the micropillars.","PeriodicalId":51661,"journal":{"name":"Journal of Robotics and Mechatronics","volume":"38 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135567492","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}