Summary form only given. Future manned exploration will involve increasingly complex missions in space and on planetary surfaces. Flight crews will need to be largely self-reliant in routine operation with ground supp...
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Summary form only given. Future manned exploration will involve increasingly complex missions in space and on planetary surfaces. Flight crews will need to be largely self-reliant in routine operation with ground support providing rapid expert consultation and ad hoc support. Creating and executing such control strategies requires machine intelligence, coupled tightly with human intelligence, to become an integral part of future flight systems for both manned and unmanned missions. This means that both the systems and sub-systems fielded by the exploration initiative will need to be "smarter" and that these automated systems, and the human crew, will need to function as a well-integrated robust team. The Collaborative Decision Systems (CDS) Project addressed these challenges by creating technology for automating both nominal operations and health management, and technologies for merging automated systems and human crews into functional self-reliant teams. The CDS Project performed low- to mid-TRL inter-disciplinary research andtechnology development integrated across multiple research groups, principal investigators, and NASA centers. The development and integration resulted in an integrated technology demonstration that modeled a 'day on the surface' that featured an astronaut, 2 autonomous rovers, and a habitat crew. Technologies developed and utilized in the integrated scenario included; instrument and Tool placement; flexible command cycles; real-time EVA monitoring and collaboration; voice commanded device control; worksite navigation and planning; and integrated data management. Numerous factors drove the design. The planner-robot-agent system must accept requests from multiple crew members and provide a mechanism for resolving conflicts between them. A single robot operator (by assumption, a crew member inside the habitat) must be able to oversee the system and provide input where necessary, but should be involved in the EVA only when needed. Space-suited cr
This paper presents design and manufacturing procedure of a tele-operative rescue robot. First, the general task to be performed by such a robot is defined, and variant kinematic mechanisms to form the basic structure...
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This paper presents design and manufacturing procedure of a tele-operative rescue robot. First, the general task to be performed by such a robot is defined, and variant kinematic mechanisms to form the basic structure of the robot are discussed. Choosing an appropriate mechanism, geometric dimensions, and mass properties are detailed to develop a dynamics model for the system. Next, the strength of each component is analyzed to finalize its shape. To complete the design procedure, Patran/Nastran was used to apply the finite element method for strength analysis of complicated parts. Also, ADAMS was used to model the mechanisms, where 3D sketch of each component of the robot was generated by means of Solidworks, and several sets of equations governing the dimensions of system were solved using Matlab. Finally, the components are fabricated and assembled together with controlling hardware. Two main processors are used within the control system of the robot. The operator's PC as the master processor and the laptop installed on the robot as the slave processor. The performance of the system was demonstrated in Rescue robot league of RoboCup 2005 in Osaka (Japan) and achieved the 2nd best design award
In this paper the application of quadratic optimization and sliding mode approach is considered for hybrid position and force control of a robot manipulator. The dynamic model of the manipulator is transformed to a st...
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Visual perception is being used increasingly in mobile robot naviga tion and the control of robot manipulators. This paper discusses the system de sign aspects of a carom playing robot using visual perception. Images ...
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In this study, a control approach based on a partial feedback linearization is developed for the tracking of stationary and moving targets with robotic structures. To address the high speed, high accuracy requirements...
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We propose a multiple omnidirectional vision system with three omnidirectional cameras and its calculation method for the measurement of the object position and the self-localization in RoboCup soccer robots. On the i...
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ISBN:
(纸本)3540278710
We propose a multiple omnidirectional vision system with three omnidirectional cameras and its calculation method for the measurement of the object position and the self-localization in RoboCup soccer robots. On the identification of the self-position, we try to improve the accuracy of the measurement by correcting the absolute position based on the measurement error of landmarks in the origin of the absolute coordinate. Furthermore, we propose the omnidirectional behavior control method for collision avoidance and object chasing motion by using fuzzy reasoning in an autonomous mobile robot with MOVIS. In this paper, we also report some experimental results to confirm the efficiency of the proposed method by using a soccer robot in dynamic environment.
As an assistant tool for human beings, humanoid robot is expected to cooperate with people to do certain jobs. Therefore, it must have high intelligence to adapt to common working condition. The objective of this pape...
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ISBN:
(纸本)3540283129
As an assistant tool for human beings, humanoid robot is expected to cooperate with people to do certain jobs. Therefore, it must have high intelligence to adapt to common working condition. The objective of this paper is to propose an adaptive fuzzy logic control (FLC) method to improve system adaptability and stability, which can adjust hip and ankle joint based on sensor information. Furthermore, it can real time adjust controller parameters to improve FLC performance. Based on sensor information, humanoid robot can get environment and inherent situation and use the adaptive-FLC to realize stable locomotion. The effectiveness of the proposed method is shown with simulations based on the parameters of the "IHR-1" humanoid robot.
Reliable localization is a fundamental issue in robot navigation techniques. This paper describes an apporach for realizing self-localization of mobile robot by matching the local map generated from a 2D laser scanner...
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ISBN:
(纸本)3540283315
Reliable localization is a fundamental issue in robot navigation techniques. This paper describes an apporach for realizing self-localization of mobile robot by matching the local map generated from a 2D laser scanner. Environment map is represented by occupancy grids and it fuses the information of the robot's pose using dead-reckoning method and the range to obstacles by laser scanner using maximum likehood estimation. After a current laser scan, the positon of mobile robot, in relation to a previous scan and pose estimates, is computed by matching the local map using fuzzy logic method. The effectiveness of this method is demonstrated by experiments.
In this paper, we propose a new force control method in contact tasks using a fuzzy model. The contact force that is exerted on the environment by the link is some general function of the displacement, and not necessa...
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Electronic advances over the last two decades have enabled the development of large-scale neural interface technology. Thus we can now use multielectrode arrays to transmit information out of the brain to directly con...
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Electronic advances over the last two decades have enabled the development of large-scale neural interface technology. Thus we can now use multielectrode arrays to transmit information out of the brain to directly control computers androbotic devices. More recently we have developed multi-electrode stimulating arrays to input information directly into sensory system of the brain. Since these devices provide direct access to individual neural circuits, one can now study neural information processing with greater precision. This technology also enables a new generation of bidirectional neural prosthetic systems that may alleviate paralysis and other neurological diseases. Finally, we have demonstrated the ability to use simple brain interfaces to remotely guide rodents through inaccessible spaces in order to perform surveillance and sensory detection functions
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