1. 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

2. P ROJECT P LAN Problem Statement Conceptual Sketch Functional Requirements Non-functional Requirements Technical Constraints Potential Risks Resource and Cost Estimate Project Milestones & Schedule

3. P ROBLEM S TATEMENT Long-term safety of the aging civil infrastructure  Bridge, Building, Public Transportation, and public utility system. New concept: Soft capacitor Powering the monitoring system by using harvesting energy Code setup for Arduino Board Wireless communication interface problem

4. P ROJECT G OAL Design circuit for small changes in capacitors Analyze system reliability Transfer the signal wirelessly Test the system stability to environment

5. C ONCEPTUAL S KETCH

6. F UNCTIONAL R EQUIREMENTS Circuit design requirement Microcontroller wirelessly to computer MATLAB code to plot sensor output Environment Resistance

7. N ON - FUNCTIONAL R EQUIREMENTS Limited access to the base station (PC) Low power dissipation The communication system free of interference

8. T ECHNICAL C ONSTRAIN Power consumption The output voltage limited to saturated voltage of op-amp Constrain the bandwidth of the Op-amp to enhance the gain of the circuit.

9. P OTENTIAL R ISKS Capacitance changes so small Soft-capacitor is unstable Stress is over the limitation Temperature Not completely hooked up on bridge

10. R ESOURCE AND C OST E STIMATE DevicesQuantityEstimate Cost Resistors, Capacitors, Electric Board, Op-amp 356TBDGiven Soft-Capacitor2Given Arduino Board1Given WiShield Board1Given Wireless Router1Given Base Station (PC)1Given

11. P ROJECT S CHEDULE

12. S YSTEM D ESIGN Functional Decomposition Detailed Design HW/SW/Technology Platform used Test Plan Prototype Implementations Block implementations

13. F UNCTIONAL D ECOMPOSITION Overall Function A monitoring system to inspect potential problems of bridges. Sub-functions 1. Measure small capacitance change 2. Transmit sensor output 3. Reliable Network 4. Base station

14. D ETAILED D ESIGN System Architecture The Design Circuit The Testing Results Transmit the Signal into Micro-Controller Transmit the Signal to the Computer

15. S YSTEM A RCHITECTURE

16. T HE D ESIGN C IRCUIT

17. T HE T ESTING R ESULTS If there is no crack happen on the bridge Increasing the Delta C

18. T HE T ESTING R ESULTS If the crack happens on the position of C1 Keep increasing Delta C

19. T HE T ESTING R ESULTS C1=179.3 0C2=179.47C3=178.57C4=179.44 C5=180.3 6C6=180.58 C7=181.9 4 deltaC Measured Voltage 1 Measured Voltage 2 Measured Voltage 3 Calculated voltage 0.170.6030.4650.97 0.5547746 0.732.442.621.89 2.3822674 0.140.4010.70.28 0.4568732 1.063.023.653.87 3.4591828 1.284.194.013.86 4.1771264 2.648.78.398.93 8.6153232 0.92.343.522.13 2.937042 0.030.0780.2140.159 0.0979014 0.892.132.442.68 2.9044082 1.113.233.113.61 3.6223518 2.477.658.758.11 8.0605486 0.872.853.122.88 2.8391406 1.795.615.225.67 5.8414502 2.016.586.976.04 6.5593938 3.379.1510.8710.67 10.9975906 0.923.893.452.46 3.0023096 1.1434.864.12 3.7202532 2.59.228.767.89 8.15845 0.220.420.310.73 0.7179436 1.585.174.875.41 5.1561404 1.364.283.764.44 4.4381968

20. T HE T ESTING R ESULTS

21. T RANSMIT THE S IGNAL INTO M ICRO - C ONTROLLER

22. T RANSMIT THE S IGNAL TO COMPUTER Transceiver to computer. Notice the maintainers to repair it if problem exists.

23. HW/SW/T ECHNOLOGY P LATFORM Hardware Arduino Board Wishield Board Soft capacitor Wireless Router Computer

24. HW/SW/T ECHNOLOGY P LATFORM Software MATLAB C Language Arduino software

25. T EST P LAN Small capacitance change Output voltage based on the delta C Stability of changing small capacitance Certainty of Microcontroller system Communication system Wishield Board Computer

26. P ROTOTYPE I MPLEMENTATION

27. C ONCLUSION Current Project Status Task Contribution Plan Rest of This Semester

28. C URRENT P ROJECT S TATUS Finish the circuit design Finish the simulation of circuit design In progress of Microcontroller part

29. T ASK C ONTRIBUTION Project StageResourceStatusStart DateDurationEnd Date Problem IndentifyXianbo Tao, Guoyan Kai, Kun ZhangDone15-Sep722-Sep Brainstorm other CircuitsXianbo Tao, Guoyan Kai, Kun ZhangDone22-Sep2113-Oct Design CircuitXianbo Tao, Guoyan KaiDone13-Oct3012-Nov Analyze CircuitXianbo Tao, Kun ZhangDone12-Nov3410-Jan Test CircuitXianbo TaoDone10-Jan2030-Jan Analyze SimulationXianbo Tao, Guoyan KaiDone30-Jan76-Feb Micro-ControllerXianbo Tao, Kun ZhangIn Progress6-Feb2127-Feb

30. P LAN R EST OF T HIS S EMESTER To fulfill the microcontroller coding To fulfill the network with computer Work on the software of interface on computer

31. Q UESTION ?