4DESI.PDF - Design Specification for Wireless Ultrasonic...

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Design Specification for Wireless Ultrasonic Waterflow Monitoring System Project Team: Timbo Yuen Eric Lo Ehsan Arman Ye Lin Babak Razzaghi Contact Person: Ehsan Arman [email protected] Submitted to: Dr. Andrew Rawicz – ENSC 440 Steve Whitmore – ENSC 305 School of Engineering Science Simon Fraser University Issued date: March 2012
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Design Specification for Wireless Ultrasonic Waterflow Monitoring System Executive Summary The Wireless Ultrasonic Waterflow Monitoring System is a system equipped with the capability to measure water flow rate and detect water leakage. This is of particular importance because water leakage is an unpleasant by-product of some water flow systems and it is to be avoided almost all the time. The system is designed in such a way to ensure a proper display of flow rates at various time intervals and compares these values at all times against a certain flow rate threshold allowing for leakage detection. The data collected will then be interpreted by human readable GUI application. The development of the Wireless Ultrasonic Waterflow Monitoring as a final functioning product requires a thorough analysis of the design features. The attached document contains the design specifications required for product development. In the design procedure, GreenSense Systems has selected the most appropriate methods for integration and implementation of all software and hardware components needed for a smooth and steady operation. Components such as transmitting and receiving units require diligent software and hardware implementation as they would be interfacing with other units present including the Arduino board. There are specific software and hardware development stages that must be proceeded with in order to obtain a complete design process and they include the following: Transceiver system implementation(including PSpice schematics) - Software Implementation Transceiver wiring/pin connections- Hardware Implementation Ultrasonic Flow Sensor mechanical and electrical connections - Hardware Implementation Arduino Microcontroller Programming - Software Implementation GUI application for Personal Computer - Software Implementation During the crucial stages of software and hardware implementation, the design specifications will be referenced by GreenSense Systems team members to ensure that all the requirements specified in this document have been met. Furthermore, this document has been written to meet all safety standards as outlined by the North American product standards.
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Design Specification for Wireless Ultrasonic Waterflow Monitoring System Glossary NDT non-destructive testing F Nominal Frequency PF Peak Frequency BCF Bandwidth Center Frequency BW Bandwidth PW Pulse Width S Sensitivity SNR Signal to Noise Ratio MCU Microcontroller KHz Kilohertz, One thousand hertz.
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Design Specification for Wireless Ultrasonic Waterflow Monitoring System Table of Content 1 - Introduction ......................................................................................................................................... 1 1.1 - Scope ............................................................................................................................................ 1 1.2 Intended Audience ........................................................................................................................ 1 2 - System Requirements .......................................................................................................................... 2 2.1 - System Overview ........................................................................................................................ 2
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