Xiao Yougang

TL;DR: In this paper, a high-speed wireless data acquisition method and apparatus for pulsation pressure of a high speed train is presented. But the method comprises the following steps: constructing wireless sensor network layers which are characterized by customizing a wireless routing protocol, a data transmission protocol and network topology of wireless sensors and carrying out channel control; constructing an embedded aggregation node layer which is characterized by realizing wireless network connection and high speed data transmission with a sensor layer and a computer layer.

TL;DR: In this article, a hierarchical routing algorithm based on a distributed type wireless aggregation network is proposed, which comprises the following steps of clustering of a wireless information interactive network, wherein the clustering is characterized by comprising the steps of utilizing nodes in the network to build a plurality of clusters by a cluster strategy, enabling each cluster to contain multiple common nodes and a cluster main node.

TL;DR: In this paper, a wireless channel access protocol is designed by using an information interaction technology on the basis of the physical layer of a wireless self-organizing network, which comprises self-organized networking, a channel access control method and a back-off algorithm of a signal access protocol; meanwhile, a network transmission rate dynamic control protocol based on automatic priority adjustment is provided, the network bandwidth is distributed reasonably by performing dynamic adjustment of different priorities on in-network nodes, and distributed detection of data information is realized by controlling the rates of different nodes as required, so that high adaptability

TL;DR: In this paper, an active safe operation method for a tower crane group is proposed, where the potential field gravity and repulsive force of the tower cranes are changed according to the relative positions of the towers.

TL;DR: In this article, a method and a system for wireless information interaction between tower cranes capable of adjusting speed based on demands by judging a crossover relation between towers which apply for entering a network and towers in the network are added into the network.