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This paper presents a design scheme of the new model of the impact pneumatic cylinder, and analyzes its key part such as direction-control valves, piston rod and so on. An experimental model-machine is manufactured and used for the tests on the experimental platform. We obtain the pressure variation in the impact pneumatic cylinder from numerous lifespan tests based on simulated practical working...
Multicast application is one of key value-add field to cellular mobile network. Most of researches focus on the whole system and ignore the structure inner cell. Current structure must let the signal strength satisfy the request of terminals located on the edge of cell, and this influence the capacity and data rate of multicast in same cell. we propose a cooperative relay multicast structure for cellular...
This paper discusses the important role that workflow theory plays in the automation management of safety business process in the coal mine. It unifies the service rule and security information using a mathematical tool for Petri nets to enhance the system's adaptability and flexibility. What's more, it realizes the closed-loop control of the security information and better remedies the deficiencies...
This article discusses the development and implementation of megawatt-class wind turbine fault monitoring system. This system merges the GSM communication technology, DSP control technology, computer networking technology, integrated display technology and information management technology into one organic, and has carried on a comprehensive wireless remote monitoring and control to the wind turbine...
Multicast applications are regarded as one of the key value-added fields. We propose the relay nodes structure to enhance the capacity and quality of multicast inside the cell. This paper focuses on the general structure design for relay network inside cell based on multimedia multicast broadcast services (MBMS) of 3GPP. First, we propose our relay network scheme inside cell. And then, we analyze...
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