Kenichi Narioka, A. Rosendo, Alexander Spröwitz, K. Hosoda
{"title":"Development of a minimalistic pneumatic quadruped robot for fast locomotion","authors":"Kenichi Narioka, A. Rosendo, Alexander Spröwitz, K. Hosoda","doi":"10.1109/ROBIO.2012.6490984","DOIUrl":"https://doi.org/10.1109/ROBIO.2012.6490984","url":null,"abstract":"In this paper, we describe the development of the quadruped robot “Ken” with the minimalistic and lightweight body design for achieving fast locomotion. We use McKibben pneumatic artificial muscles as actuators, providing high frequency and wide stride motion of limbs, also avoiding problems with overheating. We conducted a preliminary experiment, finding out that the robot can swing its limb over 7.5 Hz without amplitude reduction, nor heat problems. Moreover, the robot realized a several steps of bouncing gait by using simple CPG-based open loop controller, indicating that the robot can generate enough torque to kick the ground and limb contraction to avoid stumbling.","PeriodicalId":426468,"journal":{"name":"2012 IEEE International Conference on Robotics and Biomimetics (ROBIO)","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128683073","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 study on oscillating paddling gait of an eccentric paddle mechanism","authors":"Huayan Pu, Yi Sun, Shugen Ma, Zhenbang Gong","doi":"10.1109/ROBIO.2012.6490964","DOIUrl":"https://doi.org/10.1109/ROBIO.2012.6490964","url":null,"abstract":"Eccentric paddle mechanism (ePaddle) is a novel locomotion mechanism designed for amphibious robot. Integrated with several paddles and a wheel, the ePaddle has versatility in locomotion gaits. In this paper, we focus on the aquatic oscillating paddling gait. The conception of the oscillating paddling gait is introduced firstly and followed by the analysis of the oscillation trajectory of the paddles. In order to verify the ability of producing effective thrust force by the oscillating paddling gait, a thrust measuring facility is built. A series of experiments have been carried out with this facility. From the results, we characterize how the amplitude and frequency of the generated net thrust force relate with the amplitude, period of the oscillation of the paddle. Finally, the influence of the number of paddles on the net thrust is analyzed.","PeriodicalId":426468,"journal":{"name":"2012 IEEE International Conference on Robotics and Biomimetics (ROBIO)","volume":"94 10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129046288","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":"Attitude control improvement of a small Quad-rotor aircraft platform based on singular perturbations approach: Real-Time application","authors":"I. González, S. Salazar, J. Torres, R. Lozano","doi":"10.1109/ROBIO.2012.6491322","DOIUrl":"https://doi.org/10.1109/ROBIO.2012.6491322","url":null,"abstract":"In this article, an attitude control in real-time is proposed using a inner loop control in each BrushLess DC (BLDC) motor to improve performance of a small Quad-rotor aircraft platform. The inner loop control is implemented by motor speed sensing feedback through reflex sensors in order to obtain a robust stabilization of the vehicle in hovering mode for indoor and outdoor applications. In addition, a control law based on Lyapunov Control Function (LCF) is proposed and extended to the singular perturbations problem for the corresponding stability analysis of the inner loop control that manages the angular velocity of the BLDC motors. Finally, experimental results show that the proposed real-time controller-based motor speed sensing feedback produces better control performance, particularly in handling external disturbances.","PeriodicalId":426468,"journal":{"name":"2012 IEEE International Conference on Robotics and Biomimetics (ROBIO)","volume":"114 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124753741","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":"Probabilistic depth map fusion of Kinect and stereo in real-time","authors":"Yong Duan, Mingtao Pei, Yucheng Wang","doi":"10.1109/ROBIO.2012.6491315","DOIUrl":"https://doi.org/10.1109/ROBIO.2012.6491315","url":null,"abstract":"This paper proposes a probabilistic framework for real-time depth map fusion of Kinect and stereo. By modeling the depth imaging process as a random experiment, we turn the depth map fusion into a problem of probability density function (pdf) estimation, and the problem can be further decoupled into four parts: fusion space, influence term, visibility term and confidence term. Strategies for each part of the framework are presented to perform real-time fusion of Kinect and stereo. Experimental results demonstrate the effectiveness of the method.","PeriodicalId":426468,"journal":{"name":"2012 IEEE International Conference on Robotics and Biomimetics (ROBIO)","volume":"35 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126777865","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}
Daniel B. Roppenecker, A. Meining, G. Horst, H. Ulbrich, T. Lüth
{"title":"Interdisciplinary development of a single-port robot","authors":"Daniel B. Roppenecker, A. Meining, G. Horst, H. Ulbrich, T. Lüth","doi":"10.1109/ROBIO.2012.6491034","DOIUrl":"https://doi.org/10.1109/ROBIO.2012.6491034","url":null,"abstract":"The development of a single-port endoscopic surgical robot made by selective laser sintering (SLS) is a new interdisciplinary field of research. Endoscopic interventions are reducing the post-operative stress for the patients. In this article the clinical requirements for endoscopic interventions are defined by endoscopists. Based on the requirements, engineers are developing a new single-port robotic system designed to use selective laser sintering as the manufacturing method. Different kinematic concepts and two prototypes for the design of the robot are proposed. Using simulations, the movements are predictable and the kinematics of the system can be improved. The system can be adapted to a standard endoscope and has two flexible manipulators to guide flexible endoscopic instruments inside the human body. The complete system should be realized by SLS with the material PA 2200. The powder is certificated as biocompatible according to ISO 10993–1. The goal in this new field of robotic manufacturing is to integrate a stable and predictable manufacturing process with defined material properties for flexible structures. The final step will be the clinical certification and evaluation of the system.","PeriodicalId":426468,"journal":{"name":"2012 IEEE International Conference on Robotics and Biomimetics (ROBIO)","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126870227","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":"Variable-resolution velocity roadmap generation considering safety constraints for mobile robots","authors":"J. Xiang, Y. Tazaki, Tatsuya Suzuki, B. Levedahl","doi":"10.1109/ROBIO.2012.6491075","DOIUrl":"https://doi.org/10.1109/ROBIO.2012.6491075","url":null,"abstract":"This research develops a new roadmap method for autonomous mobile robots based on variable-resolution partitioning of a continuous state space. Unlike conventional roadmaps, which include position information only, the proposed roadmap also includes velocity information. Each node of the proposed roadmap consists of a fixed position and a range of velocity values, where the velocity ranges are determined by variable-resolution partitioning of the velocity space. An ordered pair of nodes is connected by a directed link if any combination of their velocity values is within the acceptable range of the nodes and produces a trajectory satisfying a set of safety constraints. In this manner, a possible trajectory connecting an arbitrary starting node and destination node is obtained by applying a graph search technique on the proposed roadmap. The proposed method is evaluated through simulations.","PeriodicalId":426468,"journal":{"name":"2012 IEEE International Conference on Robotics and Biomimetics (ROBIO)","volume":"28 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114551443","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}
Xiao-Bao Jiang, Qing-Hao Meng, Yang Wang, M. Zeng, Wei Li
{"title":"Numerical simulation of odor plume in indoor ventilated environments for studying odor source localization with mobile robots","authors":"Xiao-Bao Jiang, Qing-Hao Meng, Yang Wang, M. Zeng, Wei Li","doi":"10.1109/ROBIO.2012.6491104","DOIUrl":"https://doi.org/10.1109/ROBIO.2012.6491104","url":null,"abstract":"To facilitate the research of mobile robot based odor source localization (OSL) and evaluate different strategies for the OSL, numerical simulation of odor plume in indoor ventilated environments is addressed. On the basis of the FLUENT software package, the 3-D wind field of an indoor ventilated environment is calculated using the Reynolds average approach, where the real wind velocity measured by a 3-D anemometer is taken as the inlet boundary condition of the simulation. In a fixed height, the 2-D wind field is obtained by superimposing a normal-distribution fluctuating speed on the calculated advection velocity, and the 2-D odor plume is built by combining the Farrell's filament concentration model with the 2-D simulated wind field. Through comparing the wind and concentration information recorded using multiple sensor nodes with the simulated ones, the creditability of the established simulated plume is demonstrated.","PeriodicalId":426468,"journal":{"name":"2012 IEEE International Conference on Robotics and Biomimetics (ROBIO)","volume":"36 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116150091","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":"Stable running velocity change of biped robot based on virtual torque","authors":"J. Cho, J. Yeon, J. Park","doi":"10.1109/ROBIO.2012.6490983","DOIUrl":"https://doi.org/10.1109/ROBIO.2012.6490983","url":null,"abstract":"This paper proposes a method to generate a stable running trajectory for a biped robot based on virtual torque at the stepping foot for velocity changes. For a velocity change, an external force is necessary, which is generated by moving the ZMP (Zero Moment Point). Moving the ZMP has the same effect as applying a virtual torque at the foot on the ground. By using this method, the velocity of a biped robot can be changed. When a running trajectory for a biped robot is generated based on its model modeled with a single particle, the dynamics of the real robot which has relatively large mass of the swing legs could make the biped robot motion unstable. Based on the gravity-compensated inverted pendulum model with the virtual torque at the stepping foot, a trajectory resulting in stable velocity changes is generated. The effectiveness and the improvements in the performance of the proposed method were shown in computer simulations with a 2D biped robot.","PeriodicalId":426468,"journal":{"name":"2012 IEEE International Conference on Robotics and Biomimetics (ROBIO)","volume":"03 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124507947","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 valveless piezoelectric pump with multistage Y-shape treelike bifurcate tubes","authors":"Jun Huang, Jianhui Zhang","doi":"10.1109/ROBIO.2012.6490968","DOIUrl":"https://doi.org/10.1109/ROBIO.2012.6490968","url":null,"abstract":"At present, liquid cooling system employed piezoelectric pump, in which valve limits reliability and miniaturization of the piezoelectric pump and liquid cooling system. For this problem, a valveless piezoelectric pump with multistage Y-shape treelike bifurcate tubes is developed in this research. Firstly, a multistage Y-shape treelike bifurcate tube was proposed, then a valveless piezoelectric pump with multistage Y-shape treelike bifurcate tubes was designed and its working principle was analyzed. Then, the theoretical analysis of flow resistance characteristics and the flow rate of the valveless piezoelectric pump were performed. Finally, this valveless piezoelectric pump was fabricated, the relationships between the flow rates and driving frequency, as well as the relationship between the back pressure and the driving frequency were experimentally investigated. The experimental results showed that the maximum flow rate was 35.6 ml/min under 100V (10.3Hz) power supply, and the maximum back pressure was 55mm H2O under 100V (9Hz) power supply. The experimental results validated the feasibility of the valveless piezoelectric pump with multistage Y-shape treelike bifurcate tubes.","PeriodicalId":426468,"journal":{"name":"2012 IEEE International Conference on Robotics and Biomimetics (ROBIO)","volume":"112 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127573140","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. Göller, Jan Oberländer, K. Uhl, A. Rönnau, R. Dillmann
{"title":"Modular robots for on-orbit satellite servicing","authors":"M. Göller, Jan Oberländer, K. Uhl, A. Rönnau, R. Dillmann","doi":"10.1109/ROBIO.2012.6491265","DOIUrl":"https://doi.org/10.1109/ROBIO.2012.6491265","url":null,"abstract":"Today satellites are mostly monolithic systems and offer hardly any facilities to facilitate servicing or maintenance. Consequently, no servicer satellites are present as well. In this work, supported by the German Space Agency, we propose a modular concept for satellites based on standardized building blocks. These can be replaced in orbit requiring significantly less manipulation skills than ordinary repair missions would need. The building blocks could be replaced using robot satellites instead of sending astronauts on maintenance missions as has been performed few times in the past. The possible benefits are numerous: the concept enables cheaper and faster development of satellites, it enables repair missions extending the life expectancy of satellites by replacing damaged blocks or those run out of fuel, and finally old satellites can be refitted for new missions, reducing space debris and the cost of launching new systems. Developing our concept, we faced the same challenges known from modular robots on earth: interfaces had to be developed for connecting blocks, a distributed software architectures was needed, and algorithms were necessary which calculate suitable configurations of blocks according to given constraints. In this paper we will present solutions from which a concept of a modular satellite system emerges which is strongly inspired by earthbound heterogeneous robotic systems. We will complete the paper with thoughts on the servicing itself and on setting up maintenance infrastructures in the earth orbit.","PeriodicalId":426468,"journal":{"name":"2012 IEEE International Conference on Robotics and Biomimetics (ROBIO)","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121915190","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}