Sponsored By Freescale Sponsor Kevin Kemp Faculty Advisor William Stapleton Project 13 Team Members Vinh Diep Project Manager amp Embedded Systems Engineer I Francisco Saavedra ID: 542343
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1.3: Remote AC/DC Voltage and Current Sensor Node
Sponsored By:
FreescaleSponsor: Kevin KempFaculty Advisor: William Stapleton
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Team Members
Vinh
DiepProject Manager& Embedded Systems Engineer IFrancisco SaavedraTest Engineer& Embedded Systems Engineer IIMatthew BringhurstDesign Engineer
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Today’s Presentation Covers
Motivation
Description of ProjectRoles & ResponsibilitiesProgressPlans for 2nd semesterProject # 1.3Slide4
Project # 1.3
Systems Modeling and Renewable Technology (SMART)Slide5
Remote
AC/DC Voltage and Current Sensor Node
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Project Motivation
The problem:
Wired SystemsExpensiveNo complete system in placeWhy is this important? Remote monitoringAffordableWireless = reduces cost + improves safety
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Sponsor Motivation
Why
Freescale?Continued collaboration between Freescale and Texas State UniversityDevelop a prototype and demonstrate functionality using Freescale development tools (Kinetis KW24 TOWER board etc.).Project # 1.3Slide9
Project Overview
Project Goals
Create Low powered Sensing Node Capture both AC/DC Voltages and CurrentsWirelessly transmit processed data to the Proximetry Cloud ServerUpdates values every 15 secondsProject # 1.3Slide10
Project Overview
Project Goals
Create Low powered Sensing Node Capture both AC/DC Voltages and CurrentsWirelessly transmit processed data to the Proximetry Cloud ServerUpdates values every 15 secondsProject # 1.3Slide11
Project Overview
Project Goals
Create Low powered Sensing Node Capture both AC/DC Voltages and CurrentsWirelessly transmit processed data to the Proximetry Cloud ServerUpdates values every 15 seconds
Project # 1.3Slide12
Project Overview
Project Goals
Create Low powered Sensing Node Capture both AC/DC Voltages and CurrentsWirelessly transmit processed data to the Proximetry Cloud ServerUpdates values every 15 seconds
Project # 1.3Slide13
Project Overview
Project Goals
Create Low powered Sensing Node Capture both AC/DC Voltages and CurrentsWirelessly transmit processed data to the Proximetry Cloud ServerUpdates values every 15 seconds
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Device Connection Example 1
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Device Connection Example 2
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Project Overview
Stretch Goals
Powered by Solar/Wind TurbineAuto-range capabilitiesSingle PCB DesignProject # 1.3Slide25
Project Overview
Stretch Goals
Powered by Solar/Wind TurbineAuto-range capabilitiesSingle PCB DesignProject # 1.3Slide26
Project Overview
Stretch Goals
Powered by Solar/Wind TurbineAuto-range capabilitiesSingle PCB DesignProject # 1.3Slide27
Project Overview
Stretch Goals
Powered by Solar/Wind TurbineAuto-range capabilitiesSingle PCB DesignProject # 1.3Slide28
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
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Project Manager Responsibilities
Team Member:
Vinh DiepCommunicate project progress with our Freescale sponsor and our instructor Analog to Digital Conversion and processingIntegration of analog circuit design with MCU
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Roles and Responsibilities
Team
Member: Matthew BringhurstDesigning and testing analog circuit designSimulations on SPICEComponent SelectionPrototyping the analog circuit design
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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
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Project Deliverables
Voltage sensing node capable of capturing up to 300
Vpeak AC and 300 V DC. Current sensing node capable of capturing up to 50 Apeak AC and 50 A DC.AC Voltage and Current output in True RMS.
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Constraints
Minimize
cost Low power consumption Battery Powered Inputs to microprocessor ADC require conditioning 1 available differential ADC channel on MKW24Project # 1.3Slide34
Standards
UL
1569 - Standard for Metal-Clad Cables UL 61010-031 - Safety Requirements for Electrical Equipment for Measurement, Control and Laboratory UseProject # 1.3Slide35
Roles and Responsibilities
Team
Member: Francisco SaavedraEstablish communication between MCU and ProximetrySolar Panel and Wind Turbine TestTest cases and error handlingProject # 1.3Slide36
Challenges & Concerns
SafetyHigh voltage/Current – Appropriate precautions to prevent excess voltage and current Predicting performance in environmental conditionsRain, temperature, wind, pressures, etc. 3 phase on Wind Turbine Project # 1.3Slide37
Project Progress
Research completed:
Methods for Voltage and Current sensor designSimulations Completed forPreliminary analog circuit designs Parts procured: Solar Panels, Wind TurbinesKW24 Tower Boards, IAR WorkbenchComponents ( Shunt resistors, resistors, capacitors, Voltage regulators , batteries, battery clips, operational amplifiers), cablesProject # 1.3Slide38
2
nd Semester Tasks
Tasks Planned for the Completion of the project:Build analog circuit and testDesign firmware for the deviceIntegrate analog circuit with microcontrollerSet up communication between MCU and ProximetryTest device and error handling
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Questions?
Project # X.Y
Q & A