The Structural Dynamic Analysis And Applied Research On The Alignment Platform Of 5G Microwave Antenna

With the increasing data traffic and the popularity of intelligent terminals,the fourth-generation mobile communication network(4G)has been unable to meet the demand of the network in terms of capacity,speed and frequency spectrum.As the key technology of 5G mobile communication,microwave can obtain more spectrum resources and alleviate the current shortage of bandwidth resources.But microwaves must be able to maintain communication only when the main lobe of the two waves is basically overlapping.In order to ensure the rapidity and reliability of the microwave communication link establishment,microwave antenna alignment technology research and development of microwave antenna automatic alignment device,has extremely important significance to improve the ability of 5G mobile communication system.In view of the fourth generation(4G)mobile communication network in many ways can't satisfy people's demand for network,the alignment platform of 5G microwave antenna researched in this paper,has solve the problem of the quickness and reliability of microwave communication link establishment,realize high speed and high precision,strong real-time performance of microwave antenna alignment platform control system,by doing the structural design,structure analysis of dynamic and static mechanics and the various performance response simulation experiments on the biaxial motion platform of 5G microwave antenna.The research of this topic has important guiding significance to accelerate the early realization of 5G communication.Firstly,based on the technical indexes of the platform,the mechanical structure of the biaxial platform is designed,and the overall structure scheme is taken out.Using the finite element analysis software to the structure of dynamic and static mechanics analysis,and it is concluded that the dynamic response of the biaxial motion platform,confirms the biaxial motion platform system structure design to meet the requirements of the frequency response performance.Secondly,according to the biaxial motion platform mechanical structure,using the basic principle of dynamic biaxial motion platform.Secondly,using the basic principle of dynamics on the basis of its mechanical structure,inside and outside the box dynamics equation is deduced and the system mathematical model,analyze the coupling problem between inside and outside the box and decouple become independent single input single output system,designed the PID controller are simulated to verify the effectiveness of the decoupling.Finally,the hardware selection and software solutions process of the control system of the biaxia motion platform is introduced,and various performance response experiments of the biaxia motion platform in the action of PID controller are realized,and the biaxia platform is proved to satisfy the dynamic static technical indexes.