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Under condition of market economy, long-term maintenance costs of the equipment should become the optimization goal of fully-mechanized coal mining machinery parts management. Using the average loss optimization model with consideration of reliability analysis, the minimum average loss oriented parts replacement cycle was solved and an actual example was given. In the end, a conclusion was draw that...
As an important performance of equipment system, testability is always omitted in the traditional availability analysis. Testability design is an effective way to realize the fault detection and isolation. Determining testability index is the chief step of testability design. It needs to consider the influence factors of testability such as the requirement of system availability, reliability, maintainability,...
Networks on chips (NoCs) provide a mechanism for handling complex communications in the next generation of integrated circuits. At the same time, lower yield in nano-technology, makes self repair communication channels a necessity in design of digital systems. This paper proposes a reliable NoC architecture based on specific application mapped onto an NoC. This architecture is capable of recovering...
This paper presents a preliminary study of the chaotic behavior of servo-flap mid-span bending of a four-blade helicopter during hover, low and high-speed forward flights. The servo-flap vibratory measurement was used to create state vectors in a multidimensional space through time-delay embedding, and the trajectory of state vectors in the reconstruction state space was quantified using the correlation...
An algorithm to detect cracks in concrete bridges for the purpose of automating inspection of concrete bridges is presented. The algorithm combines linear structure modeling with principal component analysis (PCA) to detect cracks in images using a training set. PCA is a classical technique in feature detection; however, to improve the results of such algorithm the linear modeling is prior to PCA...
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