The invention discloses 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 tower cranes which apply for entering a network and tower cranes in the network, tower crane nodes having the crossover relation with the tower cranes in the network are added into the network; real-time revolution angles of the tower cranes are compared with critical angles in a free area, a buffer area and a crossover area to obtain areas in which tower arms are located at present, and communication priorities are automatically adjusted according to area attributes; a data transmission online node list is automatically adjusted according to the communication priorities such that the node with the highest priority has the fastest data transmission frequency to transmit dynamic data of the tower cranes to a crossover tower crane in time. The system comprises an information detection device, a wireless radio-frequency module, an information preprocessing device and an embedded tablet computer, wherein communication in the system is realized according to wireless information interaction protocols. The method and the system for wireless information interaction between tower cranes capable of adjusting speed based on demands have the advantages that the data transmission frequency can be adjusted based on demands, the tower crane node having the highest collision possibility is enabled to have the fastest data transmission speed and references are provided in time for anti-collision decisions.


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    Title :

    Method and system for wireless information interaction between tower cranes capable of adjusting speed based on demand


    Contributors:
    XIAO YOUGANG (author) / YANG QUN (author) / SUN LIANG (author) / CHEN JIANG (author) / SHEN XIAOXUE (author)

    Publication date :

    2015-04-01


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    H04W WIRELESS COMMUNICATION NETWORKS , Drahtlose Kommunikationsnetze / B66C Krane , CRANES



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