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This paper proposed the two-loop impedance controllers with variable stiffness (DIVS) for dual-arm cooperative robot grasping a common object interacting with the environment. This approach could be employed to improve force and position tracking performance when dual-arm cooperative robot grasping a common object interacts with the environment. Firstly the couple dynamic mode between the object and...
This paper described the structure of a flexible six-unit pneumatic robotic system which can move in the narrow and non-structured environment and also can pass through the hole that smaller than itself, which can't be realized by wheeled, legged, crawler robot. It makes sea cucumber-like movement, echinoderm animal, drived by a penumatic rubber accuator and provides metabolic driven force by robot...
IC components are exposed to moisture and thermal cycles during chip-package-board assembly and in their end use conditions. Moisture exposure influences the mechanical integrity of silicon backend dielectrics, assembly/packaging materials and packages. Reliability performance under accelerated stresses that simulate use conditions are often a critical factor in choice of materials, processing options...
Based on wind speed sequences, three-layer neural network model of wind speed prediction is analyzed to obtain the selecting method of neural network input, output and hidden layers' node parameters, and to predict wind speed through rolling wind speed data. In accord with the nonlinear of wind speed sequences, a BP neural network model is established to forecast wind speed. The feasibility and validity...
A new on-die temperature sensor that operates at low supply voltages and exhibits low process sensitivity and good linearity over a wide temperature range is introduced. When compared to conventional structures which have limited supply voltage headroom at the slow-n process corner, the new structures have sufficient headroom to practically operate well over all process corners. When implemented in...
According to complex conditions in the displaying of atmospheric wind field distribution with VC programming language, implementation method of atmospheric wind field retrieval system detected by lidar based on COM is presented. This method partitioned retrieval system and designed the ports of every modules according to COM criterion and functional requirements of atmospheric wind field retrieval...
This paper proposes a simple real-time method for modeling and rendering clouds. The density of cloud is formed by simulating projected motion of cloud particles into 2D plane. And then we render it by using an algorithm that approximates single forward scattering in real-time. This method does not require any preprocess to shade the cloud. By using this method one can create a cloud very quickly...
Similarity calculation has many applications, such as information retrieval, and collaborative filtering, among many others. It has been shown that link-based similarity measure, such as SimRank, is very effective in characterizing the object similarities in networks, such as the Web, by exploiting the object-to-object relationship. Unfortunately, it is prohibitively expensive to compute the link-based...
Clouds play an important role for creating realistic images of outdoor scenes. Many methods have been proposed for modeling and rendering clouds. Among these methods, Dobashi et al. proposed a simple but efficient cloud rendering algorithm based on splatting algorithm and take into account single scattering in couds. This algorithm has been used in many papers to generate realistic clouds images....
Influence between objects needs to be assessed in many applications. Lots of measures have been proposed, but a domain-independent method is still expected. In this paper, we give a probabilistic definition of influence based on the random walker model on graphs. Two approaches, linear systems method and Basic InfRank algorithm, are shown and return equal results, but Basic InfRank is more efficient...
Until recently a closed-form expression for the output voltage of the most basic bandgap references was not available making it difficult to analytically and systematically determine the effects of the temperature dependence of non-ideal components on the magnitude of the output voltage, on the inflection point location, and on the curvature of these bandgap circuits. In this paper several non-ideal...
Substation generatrix often bear large current. According to the distinct skin effect of big current generatrix. This paper adopts equivalent current method to calculate the power frequency magnetic field from substation cycloidal generatrix which bear big current, and the magnetic field distribution around generatrix is analyzed too after that. This method has the advantage: its calculation results...
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