The proceedings contain 180 papers. The topics discussed include: invariance properties in the dynamics of positive linear systems;the design of control systems for hydraulic turbines;controlling a chaotic behavior of...
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ISBN:
(纸本)142440360X
The proceedings contain 180 papers. The topics discussed include: invariance properties in the dynamics of positive linear systems;the design of control systems for hydraulic turbines;controlling a chaotic behavior of a current mode controlled boost converter using OGY method;equipment to estimate the quantity of excavated material with energetic methods, in open pits;voice coil actuator for hydraulic servo valves with high transient performances;management of a multi agent society used for monitoring and diagnosis in a hydroelectric power plant chain;model based testing of real-time embedded components;commands synthesis in fault conditions application for flight control system;alternative education in computing and information technologies;digital calibration methodology applied to a sensor microsystem;and improved linearity active resistor with increased frequency response for VLSI applications.
With the different features and applications for each of the conventional closeness degree algorithms, the mistake will be brought in pattern recognition if it was not selected correctly. Based on the combination rule...
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This presentation reviews the topic of space robotics. In the space jargon, often any unmanned space probe is called a robotic probe. This acknowledges the challenges of largely autonomous operation in a complex missi...
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ISBN:
(纸本)3540264132
This presentation reviews the topic of space robotics. In the space jargon, often any unmanned space probe is called a robotic probe. This acknowledges the challenges of largely autonomous operation in a complex mission. In the following, however, the focus will be on space robots: systems involving arms for manipulation or some kind of locomotion device for mobility, having the flexibility to perform varying tasks. As an introduction, some definitions and the rationale for space robotics are given. The main differences between space and terrestrial robots are highlighted, and it is shown that they are driven by the peculiar environmental, system and programmatic constraints of space missions. A second part describes the typical architecture, sub-systems, and some key technologies of robot systems. This distinguishes between manipulator arm and rover type robots. The interdisciplinary system character of space robotics is emphasised. Finally the two main fields of orbital robotics and planetary robotics are introduced, together with the currently perceived application scenarios (i.e. system servicing and payload tending in Low-Earth-Orbit, satellite servicing in Geostationary Earth Orbit, the assembly of large orbiting structures, and applications in exploration missions to the Moon, Mars, Mercury, comets, asteroids, and other celestial bodies). For each application scenario, the main robotic functions are presented and some developed/in-development robotic systems, most relevant to the CLAWAR conference, are described.
This paper describes recent advances in the development of an integrated inertial guidance system for automation of the longwall coal mining process. Significant advances in longwall automation are being achieved thro...
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ISBN:
(纸本)3540328017
This paper describes recent advances in the development of an integrated inertial guidance system for automation of the longwall coal mining process. Significant advances in longwall automation are being achieved through an industry sponsored project which targets productivity and safety benefits. Stabilised inertial navigation techniques are being successfully employed to accurately measure the three-dimensional path of the longwall shearer. This enabling technology represents a breakthrough in achieving practical and reliable automated face alignment. This paper also describes a specification for the interconnection of underground mining equipment based on the newly developed EtherNet/IP control and information protocol which ensures equipment compatibility across multi-vendor components of the automation system.
A case study is presented, where a predictive maintenance solution for non-critical machinery (such as elevators and machine tools) was sought. Both cases are different. There is no experience in elevator monitoring a...
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A case study is presented, where a predictive maintenance solution for non-critical machinery (such as elevators and machine tools) was sought. Both cases are different. There is no experience in elevator monitoring and diagnosis, and modeling has been performed using Neural Networks. On the other hand, machine tools were monitored through vibration systems where some experience exists. In this case, Bayesian Networks are the paradigm of choice as it was also recommended to include some 'adaptation' mechanism for the knowledge modeled in the network. The final system also includes a sensor processing unit and a remote maintenance module system that provides an automated remote condition monitoring system, for both applications. Results indicate the feasibility of partial solutions in monitoring and diagnosis, though future enhancements are needed to compose a complete solution. This paper explains the characteristics of the Bayesian Network solution finally developed for high-speed machine tools, evaluate their strengths and weaknesses, and indicate the future enhancements. (C) 2006 Elsevier Ltd. All rights reserved.
The CANopen protocol based on embedded control applications has been widely applied into networked control systems. The jitter problem of system variables induced by the network transmission becomes a primary aspect o...
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Fast movement along a predefined path is important for many robot applications, especially in cluster tool robots, requires utilization of the maximum allowable torque range. Robot running along the time-optimal path ...
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Recently repetitive controller has been applied in servo systems of hard disk drives (HDD) to remove the repeatable errors caused by rotating mechanism of spindle motors. However, most results of published articles ar...
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There is considerable potential need for non-industrial next generation robots used in facilities such as hospitals and nursing centers and at home and disaster sites. However, specific applications (breakthrough appl...
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Flexible pneumatic actuator FPA is a new type of actuator, proposed in Zhejiang University of Technology. Compared with typical McKibben muscle actuator, FPA features no friction, cabinet structure. Based on principle...
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