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Published byHerbert Spencer Robbins Modified over 9 years ago
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S MART C IVIL I NFRASTRUCTURE M ONITORING Project Client/Facility Advisor: Randall Geiger Project Team: Team Leader: Xianbo Tao Website Leader: Kun Zhang Communicator: Guoyan Kai
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P ROJECT P LAN Problem Statement Conceptual Sketch Functional Requirements Non-functional Requirements Technical Constraints Market survey Potential Risks Resource and Cost Estimate Project Milestones & Schedule
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P ROBLEM S TATEMENT Long-term safety of the aging civil infrastructure Bridge, Building, Public Transportation, and pubilc utility system. New concept: Soft capacitor Powering the monitoring system by using energy harvesting Wireless communication interface problem
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P ROJECT G OAL Design circuit for small changes in capacitors Analyze system reliability Transfer the signal wirelessly Test the system stability to environment
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C ONCEPTUAL S KETCH
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F UNCTIONAL R EQUIREMENTS Circuit design requirement Low costs remand Environment Resistance
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N ON - FUNCTIONAL R EQUIREMENTS Limited access to the web database The communication system free of interference
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T ECHNICAL C ONSTRAIN Power consumption The output voltage limited to saturated voltage of op-amp Cost for the system communication
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M ARKET S URVEY Differential capacitance measurement Market to research area and government
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P OTENTIAL R ISKS Capacitance changes so small Soft-capacitor is unstable Stress is over the limitation Temperature Not completely hook up on structure
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R ESOURCE AND C OST E STIMATE
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P ROJECT S CHEDULE
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S YSTEM D ESIGN Functional Decomposition Detailed Design HW/SW/Technology Platform used Test Plan Prototype Implementations or Basic building block implementations
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F UNCTIONAL D ECOMPOSITION Overall Function A monitoring system to inspect potential problems of bridges. Sub-functions 1. Accurate Data Measurement 2. Reliable Network 3. WEB-accessible database
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D ETAILED D ESIGN System Architecture The Design Circuit The Testing Results Transmit the data into signal Transmit the Signal into Micro-Controller Transmit the Signal to the Cellphone
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S YSTEM A RCHITECTURE
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T HE D ESIGN C IRCUIT
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T HE T ESTING R ESULTS If there is no crack happen on the bridge
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T HE T ESTING R ESULTS If the crack happens on the position of C1
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T RANSMIT THE DATA INTO SIGNAL
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T RANSMIT THE S IGNAL INTO M ICRO - C ONTROLLER
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Communication System
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T RANSMIT THE S IGNAL TO THE C ELLPHONE Transceiver to cellphone. Notice the repairing constructor
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HW/SW/T ECHNOLOGY P LATFORM Hardware Microcontroller Soft capacitor Communication system Cellphone
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HW/SW/T ECHNOLOGY P LATFORM Software Remote Desktop Connection C Language PSPICE
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T EST P LAN Small capacitance change Output voltage based on the delta C Stability of changing small capacitance Certainty of ADC system Communication system Transceiver Receiver: cellphone
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P ROTOTYPE I MPLEMENTATION
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C ONCLUSION Current Project Status Task Contribution Plan for next Semester
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C URRENT P ROJECT S TATUS Optimize the circuit of Stress Sensor Improvement of the circuit Start to modify the program of the microcontroller Plan to build up communication system
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T ASK C ONTRIBUTION
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P LAN FOR NEXT S EMESTER Hook up the real circuit Make the circuit applicable on the bridge Finish the program of microcontroller Build up the web database
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Q UESTION ?
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