Sponsored By: Freescale Sponsor: Kevin Kemp Faculty Advisor: William Stapleton Project # 1.3

Team Members Vinh Diep Project Manager & Embedded Systems Engineer I Francisco Saavedra Test Engineer & Embedded Systems Engineer II Matthew Bringhurst Design Engineer Project # 1.3

Today’s Presentation Covers o Motivation o Description of Project o Roles & Responsibilities o Progress o Plans for 2 nd semester Project # 1.3

Systems Modeling and Renewable Technology (SMART)

Project # 1.3

Project Motivation The problem: o Wired Systems o Expensive o No complete system in place Why is this important? o Remote monitoring o Affordable o Wireless = reduces cost + improves safety Project # 1.3

Sponsor Motivation  Why Freescale? o Continued collaboration between Freescale and Texas State University o Develop a prototype and demonstrate functionality using Freescale development tools (Kinetis KW24 TOWER board etc.). Project # 1.3

Project Overview Project Goals o Create Low powered Sensing Node o Capture both AC/DC Voltages and Currents o Wirelessly transmit processed data to the Proximetry Cloud Server o Updates values every 15 seconds Project # 1.3

Project Overview Project Goals o Create Low powered Sensing Node o Capture both AC/DC Voltages and Currents o Wirelessly transmit processed data to the Proximetry Cloud Server o Updates values every 15 seconds Project # 1.3

Project Overview Project Goals o Create Low powered Sensing Node o Capture both AC/DC Voltages and Currents o Wirelessly transmit processed data to the Proximetry Cloud Server o Updates values every 15 seconds Project # 1.3

Project Overview Project Goals o Create Low powered Sensing Node o Capture both AC/DC Voltages and Currents o Wirelessly transmit processed data to the Proximetry Cloud Server o Updates values every 15 seconds Project # 1.3

Project Overview Project Goals o Create Low powered Sensing Node o Capture both AC/DC Voltages and Currents o Wirelessly transmit processed data to the Proximetry Cloud Server o Updates values every 15 seconds Project # 1.3

Device Connection Example 1 Project # 1.3

Device Connection Example 2 Project # 1.3

Project Overview Stretch Goals o Powered by Solar/Wind Turbine o Auto-range capabilities o Single PCB Design Project # 1.3

Project Overview Stretch Goals o Powered by Solar/Wind Turbine o Auto-range capabilities o Single PCB Design Project # 1.3

Project Overview Stretch Goals o Powered by Solar/Wind Turbine o Auto-range capabilities o Single PCB Design Project # 1.3

Project Overview Stretch Goals o Powered by Solar/Wind Turbine o Auto-range capabilities o Single PCB Design Project # 1.3

Why this is a Good Senior Design Project Designing this sensor node:  Embedded Systems/IDEs  Wireless Communications  Analog Circuit Design  Systems Integrations  High Voltages and Current  Power considerations  Solar Panels and Wind Turbines Project # 1.3

Project Manager Responsibilities  Team Member: Vinh Diep o Communicate project progress with our Freescale sponsor and our instructor o Analog to Digital Conversion and processing o Integration of analog circuit design with MCU Project # 1.3

Roles and Responsibilities  Team Member: Matthew Bringhurst o Designing and testing analog circuit design o Simulations on SPICE o Component Selection o Prototyping the analog circuit design Project # 1.3

Major Milestones  Test Plan – 02/15/2016  Characterization Report – 04/04/2016  Final Design Review – 04/11/2016  Final Report – 04/25/2016  Senior Design Day Presentation – 05/03/2016 Project # 1.3

Project Deliverables 1. Voltage sensing node capable of capturing up to 300 V peak AC and 300 V DC. 2. Current sensing node capable of capturing up to 50 A peak AC and 50 A DC. 3. AC Voltage and Current output in True RMS. Project # 1.3

Constraints  Minimize cost  Low power consumption  Battery Powered  Inputs to microprocessor ADC require conditioning  1 available differential ADC channel on MKW24 Project # 1.3

Standards  UL Standard for Metal-Clad Cables  UL Safety Requirements for Electrical Equipment for Measurement, Control and Laboratory Use Project # 1.3

Roles and Responsibilities  Team Member: Francisco Saavedra o Establish communication between MCU and Proximetry o Solar Panel and Wind Turbine Test o Test cases and error handling Project # 1.3

Challenges & Concerns  Safety o High voltage/Current – Appropriate precautions to prevent excess voltage and current  Predicting performance in environmental conditions o Rain, temperature, wind, pressures, etc.  3 phase on Wind Turbine Project # 1.3

Project Progress  Research completed: o Methods for Voltage and Current sensor design  Simulations Completed for o Preliminary analog circuit designs  Parts procured: o Solar Panels, Wind Turbines o KW24 Tower Boards, IAR Workbench o Components ( Shunt resistors, resistors, capacitors, Voltage regulators, batteries, battery clips, operational amplifiers), cables Project # 1.3

2 nd Semester Tasks  Tasks Planned for the Completion of the project: o Build analog circuit and test o Design firmware for the device o Integrate analog circuit with microcontroller o Set up communication between MCU and Proximetry o Test device and error handling Project # 1.3

Questions? Project # X.Y Q & A