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Research and Design of Wireless Stress Sensor Based on ZigBee for Bridge

Author: WuRui
Tutor: LiGuoMin
School: Xi'an University of Science and Technology
Course: Communication and Information System
Keywords: Wireless Sensor Resistance strain gauges ZigBee protocol CC2430
CLC: TP212.1
Type: Master's thesis
Year: 2011
Downloads: 73
Quote: 0
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Abstract


Traditional bridge detection system are collecting data by wire , cumbersome wiring work , the operation is inconvenient in practical application , there are some limitations . Wireless bridge detection system is an effective way to overcome the lack of cable bridge detection system , the key technology is the wireless transmission of data collection , the paper mainly studies and design of a wireless stress sensors . Wireless bridge detection system for wireless stress measurement sensor wireless bridge detection system composed of program research based on demand , through the analysis of existing short-range wireless communications technology characteristics , short-range wireless communications based on ZigBee technology wireless bridge detection system collected the terminal information transmission , and then based on ZigBee technology designed the composition of the wireless stress sensors . By analysis of the mechanism of resistance strain gauges , including the structure and performance of the works of the resistance strain gauges and resistance strain gauges , designed using resistance strain gages as acquisition measuring stress and strain parameters . From the characteristics of wireless sensor networks and low-power , low-cost point of view to consider , modular design , the design of the bridge inspection requirements stress sensor . Based on the analysis of existing wireless communication transmission media and radio frequency (RF) chip , CC2430 chip based on ZigBee wireless transceiver module to achieve effective wireless transmission . ZigBee wireless communication protocol analysis on the premise , the design of the data transmission frame format . IAR development platform , wireless stress sensor data acquisition and transmission . The experimental results show that , the the wireless stress sensor sensitivity to meet the design requirements , the wireless communication transmission distance of up to 80 meters .

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CLC: > Industrial Technology > Automation technology,computer technology > Automation technology and equipment > Automation components,parts > Transmitter ( converter),the sensor > Physical sensors
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