Mikihiro Ikura, S. Ikari, A. Tomiki, R. Funase, S. Nakasuka
This research proposes estimation algorithms of relative position and attitude during interplanetary proximity rendezvous and docking by using ultra-wide-band (UWB) devices — which are small, low-power devices to be used for communication between several spacecraft, and are suitable to be mounted on micro- or nano-spacecraft. The device provides high-precision ranging and high-speed communication between two spacecraft during rendezvous and docking, whose information is used for estimating their relative position and attitude. This paper proposes two estimation algorithms using UWB properties. The first one estimates the relative position by using the ranging data of the UWB devices and the relative attitude information, which is shared by the UWB communication and provided by the attitude sensors. In the second algorithm, assuming that the attitude sensor of the chaser cannot be used, the relative attitude is estimated using the multiple ranging data of the UWB devices. This research evaluates the estimation accuracy of the two proposed algorithms using a rendezvous simulator, which reveals the conditions to obtain accurate and stable relative position and attitude estimations. This paper will contribute to autonomous navigation method for the proximity rendezvous and docking phases of micro- and nano-spacecraft, which have strict limitations of size and power for navigation sensors.
{"title":"Estimation Algorithm of Relative Position and Attitude during Proximity Rendezvous Using Multiple Ultra-Wide-Band Devices","authors":"Mikihiro Ikura, S. Ikari, A. Tomiki, R. Funase, S. Nakasuka","doi":"10.2322/TASTJ.17.43","DOIUrl":"https://doi.org/10.2322/TASTJ.17.43","url":null,"abstract":"This research proposes estimation algorithms of relative position and attitude during interplanetary proximity rendezvous and docking by using ultra-wide-band (UWB) devices — which are small, low-power devices to be used for communication between several spacecraft, and are suitable to be mounted on micro- or nano-spacecraft. The device provides high-precision ranging and high-speed communication between two spacecraft during rendezvous and docking, whose information is used for estimating their relative position and attitude. This paper proposes two estimation algorithms using UWB properties. The first one estimates the relative position by using the ranging data of the UWB devices and the relative attitude information, which is shared by the UWB communication and provided by the attitude sensors. In the second algorithm, assuming that the attitude sensor of the chaser cannot be used, the relative attitude is estimated using the multiple ranging data of the UWB devices. This research evaluates the estimation accuracy of the two proposed algorithms using a rendezvous simulator, which reveals the conditions to obtain accurate and stable relative position and attitude estimations. This paper will contribute to autonomous navigation method for the proximity rendezvous and docking phases of micro- and nano-spacecraft, which have strict limitations of size and power for navigation sensors.","PeriodicalId":120185,"journal":{"name":"TRANSACTIONS OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES, AEROSPACE TECHNOLOGY JAPAN","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129930191","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}
Sho Taniguchi, T. Chujo, Hideki Kato, Y. Mimasu, O. Mori, T. Ichikawa, H. Takeuchi, M. Yoshikawa
{"title":"Optimization for Solar Angle Free Attitude Motion Model by Solar Sail IKAROS","authors":"Sho Taniguchi, T. Chujo, Hideki Kato, Y. Mimasu, O. Mori, T. Ichikawa, H. Takeuchi, M. Yoshikawa","doi":"10.2322/tastj.19.584","DOIUrl":"https://doi.org/10.2322/tastj.19.584","url":null,"abstract":"","PeriodicalId":120185,"journal":{"name":"TRANSACTIONS OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES, AEROSPACE TECHNOLOGY JAPAN","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130261777","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}
Masanori Saito, Yurie Ohno, H. Kato, Y. Suganuma, Akiyo Takahashi, M. Mikami, M. Kikuchi, T. Ishikawa, Y. Inatomi, Ken’ichi Takahashi, O. Moriue, H. Nomura, Mitsuaki Tanabe
{"title":"Numerical Prediction of the Spontaneous Ignition of Cool Flame for the Microgravity Experiment by Using Sounding Rocket","authors":"Masanori Saito, Yurie Ohno, H. Kato, Y. Suganuma, Akiyo Takahashi, M. Mikami, M. Kikuchi, T. Ishikawa, Y. Inatomi, Ken’ichi Takahashi, O. Moriue, H. Nomura, Mitsuaki Tanabe","doi":"10.2322/tastj.19.539","DOIUrl":"https://doi.org/10.2322/tastj.19.539","url":null,"abstract":"","PeriodicalId":120185,"journal":{"name":"TRANSACTIONS OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES, AEROSPACE TECHNOLOGY JAPAN","volume":"43 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128295546","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}
M. Akioka, A. Miura, T. Orikasa, H. Tsuji, M. Toyoshima, Masaki Satoh, Y. Fujino
To achieve high throughput to effectively accommodate users, multi-beam systems reusing several frequency bands with small beams are effective. Using a reflector antenna with a very large aperture on the satellite is a promising option for next-generation mobile communication satellites for small user terminals with small beams. A deployable reflector is a flexible structure instead of the hard dish reflector. To improve the electric al performance of the antenna and avoid performance deterioration caused by aberration, the parabolic reflector must be accurately shaped. We propose continuous beam stabilization by optimizing the parameters for the phased array. If the reflector shape can be measured precisely while in orbit, the beam pattern and antenna performance can be corrected continuously by updating the excitation parameters based on the measured reflector shape with a brief time delay. For the proposed algorithm to perform antenna-pattern stabilization effectively, the shape of the reflector surface should properly determine the optimized phased array parameters to compensate for the deterioration of the antenna pattern. The objective of this study is to confirm the feasibility of the approach to beam pattern correction. The simulations of deformed reflector surfaces deteriorating the antenna pattern reveal that the application of optimized phased array parameters for the reflector shape can compensate for the deformation and recover the antenna pattern.
{"title":"Precise Control of Beam Formation for Mobile Communication Satellites Based on On-board Measurements of the Shape of the Large Reflector Surface","authors":"M. Akioka, A. Miura, T. Orikasa, H. Tsuji, M. Toyoshima, Masaki Satoh, Y. Fujino","doi":"10.2322/TASTJ.17.33","DOIUrl":"https://doi.org/10.2322/TASTJ.17.33","url":null,"abstract":"To achieve high throughput to effectively accommodate users, multi-beam systems reusing several frequency bands with small beams are effective. Using a reflector antenna with a very large aperture on the satellite is a promising option for next-generation mobile communication satellites for small user terminals with small beams. A deployable reflector is a flexible structure instead of the hard dish reflector. To improve the electric al performance of the antenna and avoid performance deterioration caused by aberration, the parabolic reflector must be accurately shaped. We propose continuous beam stabilization by optimizing the parameters for the phased array. If the reflector shape can be measured precisely while in orbit, the beam pattern and antenna performance can be corrected continuously by updating the excitation parameters based on the measured reflector shape with a brief time delay. For the proposed algorithm to perform antenna-pattern stabilization effectively, the shape of the reflector surface should properly determine the optimized phased array parameters to compensate for the deterioration of the antenna pattern. The objective of this study is to confirm the feasibility of the approach to beam pattern correction. The simulations of deformed reflector surfaces deteriorating the antenna pattern reveal that the application of optimized phased array parameters for the reflector shape can compensate for the deformation and recover the antenna pattern.","PeriodicalId":120185,"journal":{"name":"TRANSACTIONS OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES, AEROSPACE TECHNOLOGY JAPAN","volume":"31 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126113056","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}
Tetsuya Yamada, K. Kawahara, Taichi Itou, S. Nakazawa
{"title":"Return and Recovery Operation of the Hayabusa2 Sample Return Capsule","authors":"Tetsuya Yamada, K. Kawahara, Taichi Itou, S. Nakazawa","doi":"10.2322/tastj.19.514","DOIUrl":"https://doi.org/10.2322/tastj.19.514","url":null,"abstract":"","PeriodicalId":120185,"journal":{"name":"TRANSACTIONS OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES, AEROSPACE TECHNOLOGY JAPAN","volume":"97 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127096419","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}
Warley F. R. Ribeiro, Kentaro Uno, K. Nagaoka, Kazuya Yoshida
{"title":"Analysis of Motion Control for a Quadruped Ground-Gripping Robot for Minor Body Exploration on Uneven Terrain","authors":"Warley F. R. Ribeiro, Kentaro Uno, K. Nagaoka, Kazuya Yoshida","doi":"10.2322/tastj.19.794","DOIUrl":"https://doi.org/10.2322/tastj.19.794","url":null,"abstract":"","PeriodicalId":120185,"journal":{"name":"TRANSACTIONS OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES, AEROSPACE TECHNOLOGY JAPAN","volume":"50 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121828991","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}
A thermal lattice-Boltzmann model of a van der Waals gas was used to check its applicability to specific challenges in the numerical simulation of transient cryogenic two-phase flow in rocket engine feed systems. Three test cases were chosen to prove the model is capable of capturing the underlying physics. Overall correct representation of incompressible flow should be demonstrated by a lid-driven cavity. The capability of the model to handle shocks and supersonic flow is shown in a shock tube configuration. The last test case was chosen in order to show instantaneous evaporation by the formation of a single vapour bubble at a heated surface.
{"title":"Validation of a Lattice Boltzmann Model for Transient Cryogenic Two-Phase Flow","authors":"T. Traudt, S. Schlechtriem","doi":"10.2322/TASTJ.17.321","DOIUrl":"https://doi.org/10.2322/TASTJ.17.321","url":null,"abstract":"A thermal lattice-Boltzmann model of a van der Waals gas was used to check its applicability to specific challenges in the numerical simulation of transient cryogenic two-phase flow in rocket engine feed systems. Three test cases were chosen to prove the model is capable of capturing the underlying physics. Overall correct representation of incompressible flow should be demonstrated by a lid-driven cavity. The capability of the model to handle shocks and supersonic flow is shown in a shock tube configuration. The last test case was chosen in order to show instantaneous evaporation by the formation of a single vapour bubble at a heated surface.","PeriodicalId":120185,"journal":{"name":"TRANSACTIONS OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES, AEROSPACE TECHNOLOGY JAPAN","volume":"38 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124589081","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":"Development of Aerodynamic Force Model Based on Potential Flow for Liquid Droplets Analyzed by Particle Method","authors":"Hiroki Tsujimura, K. Kubota, Tetsuya Sato","doi":"10.2322/tastj.19.690","DOIUrl":"https://doi.org/10.2322/tastj.19.690","url":null,"abstract":"","PeriodicalId":120185,"journal":{"name":"TRANSACTIONS OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES, AEROSPACE TECHNOLOGY JAPAN","volume":"71 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129346451","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":"A Study on Mars Aerocapture Using Spinning Solar Sail","authors":"Kakeru Tokunaga, Kojiro Suzuki","doi":"10.2322/tastj.19.838","DOIUrl":"https://doi.org/10.2322/tastj.19.838","url":null,"abstract":"","PeriodicalId":120185,"journal":{"name":"TRANSACTIONS OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES, AEROSPACE TECHNOLOGY JAPAN","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128653746","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}
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