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Articles by Zhixiao Wang
Total Records ( 2 ) for Zhixiao Wang
  Junhuai Li , Guomou Zhang , Wei Wei , Zhixiao Wang and Jing Zhang
  RFID-based location awareness is becoming the most important issue in many fields in recent years, such as ubiquitous computing, mobile computing. However, the RF system is noise-limited, which leads to the readers can’t read the information from tags timely and accurately, especially for RFID localization network. This study proposed a novel RFID indoor localization method based on Received Signal Strength Indicator (RSSI) and Packet Received Ratio (PRR). To do so, the environmental factors affecting the link quality are analyzed and the location awareness data is collected by RFID equipment using non-coherent Frequency Shift Keying (FSK) as modulation scheme and Not Return to Zero (NRZ) as encoding scheme. Then the relationship model between RSSI, PRR and distance is established based on the classic radio propagation model in localization field and theoretical analysis of the normal probability distribution of PRR is conducted. The experimental results show that our approach is valid and proper and also contributes to a novel perspective and theoretical support on the further study and application of RFID indoor localization.
  Wei Wei , Jing Zhang , Hongye Li , Jie Hu , Wei Wang , Xiaoyan Yin , Feng Wang , Xin Song , Zhixiao Wang , Yongchao Wang , Peiyi Shen and Jiachen Geng
  This system uses Mitsubishi PLC and computer configuration screen monitoring control mode, press the button or picture can complete automobile access process, simple operation, easy access. Control circuit of traditional way by ac contactor, safe and reliable operation. Through the configuration software, database construction, the animation process control, connection and debugging, realized the monitoring system of three-dimensional garage. Finally discusses in detail the design of control system based on the two layers of garage structure for three models. Finally discusses in detail the design of control system based on the two layers of garage structure for three models. Lift the solid carport, its part can be divided into three parts: the garage structure parts, motivation and control system is part. According to lift the operating principle of the solid carport, on the fluctuation of three-dimensional garage control system design, uses the advanced PLC control, using the software Mitsubishi of lifting the solid carport control procedures, commissioning, operation and proved by using the Programmable Logic Controller (PLC) as the control system is simple.
 
 
 
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