Transcript Giannis Combe - Florida International University

TEST RIG FOR TEMPERATURE
AND PRESSURE SENSORS
Giannis Combe
Danilo Delgado
Sara Patino
FIU DEPARTMENT OF MECHANICAL ENGINEERING
Miami, FL
Outline
 Problem Statement
 Project Description
 Motivation
 Objectives
 Literature Survey
 Global Learning
 Survey of Related Standards
 Alternative Designs
 Gantt Chart & Subdivision of Responsibilities
 Conclusion and Future Work
Problem Statement
 Design test fixture for sensor applications
corresponding to temperature and pressure
 Validate results
Motivation
 Provide HeartWare validity for their sensors to be used
in the medical field
 Provide a design that could be used by other
companies
 Ensure accuracy in closed-loop sensor systems
Objective
 Design Test Rig for Sensor of cylindrical shape
 Diameter: 7mm
 Length: 2mm
 Collect experimental data at different:
 Pressures
 Temperatures
 Create calibration table for air and liquid mediums
 Pressure range: -10 to 200mm Hg
 Temperature range: 20 to 60 ◦C
 Support results with computational calculations
 Cost Analysis
Temperature Measurement
• Thermocouple
• Resistance Temperature Detector
• DAQ
Results
Sensors
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Temperature Sensors
MEMS Sensors
Sensor Calibration
Resistance Temperature
Sensors
Pressure Measurement
• Potentiometric
• Resonant Wire
Results
Survey of Related Standards
 "Selection and Characterizing Weathering Reference
Materials“ ASTM G156, 2009
• Weathering piece of reference material
• Procedure taken inside Laboratory
 “Test Method for Temperature Calibration of
Dynamic Mechanical” ASTM E1867, 2013
• Temperature Calibration of Dynamic Analyzers from 150 deg. To 300
deg. Celsius
 “Reporting Uncertainty of Test Results and
Use of term Measurement Uncertainty” ASTM E2655, 2014
• Importance of Uncertainty in Quantitative Results
• Methods of expressing Test Result Uncertainty
Global Learning
 Material Compatibility in Multinational levels
o Languages
 Dimensions and Specifications to be converted to
international measurement systems
o SI/ English Units
 Environmental Aspects
o Hazardous Waste
o Assurance of No Leakage
o Equipment Materials
Gantt Chart
Task
Selection of Project
Problem definition
Consideration of
Alterative Designs
Selection of final design
Manufacturing of Design
Testing
Production Calibration Table
Simulation
Evaluation
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sept
Oct
Nov
Dec
Subdivision of Responsibilities
Task
Problem Definition
Time Management
Alternative Designs
Manufacturing
Testing
Solidworks Simulation
MatLab Simulation
Cost Analysis
Calibration Table
Sara Patino
Giannis Combe
Danilo Delgado
Alternative
Designs
Alternative #1
• Dual Sensing Elements
• Sensor Sheath
• Transmitter
Alternative #2
 Pressure Testing: Hydrostatic testing
 Heartware Sensor
 Pressure Gauge
[4]
Alternative #3
• Water circulation system
• Variable pressure/ temperature testing
• Self-adjusting
Conclusion and Future Work
 Experimental analysis for optimization of best design
 Manufacturing of Test Rig
 Generation of calibration table for temperature and
pressure ranges
 MatLab Simulation
 Solidworks Simulation
o Thermal Analysis
o Static Analysis
o Flow Analysis
Problem Statement
Pressure and Temperature Sensor
Design Objectives
Test Fixture
 Design a test fixture to calibrate sensors
using a closed-loop system with input
variables
 Create a test fixture for pressure and temperature
sensor applications
 Develop a calibration table for a pressure range of
-10mm Hg to 200mm Hg and temperature range of
20˚C to 40˚C
 Perform simulation and computational analysis of
test fixture functionality
Motivation
 Heartware will utilize the test fixture in various
sensor applications
 The closed-loop system allows for pressure and
temperature values to be entered and outputs
reveal conclusions
Advisor: Nathalie Nunez
Design Parameters
 Work with sensor of Cylindrical shape
with 2mm height and 7mm diameter
 Must test efficiently under air and
liquid mediums
Giannis
Combe
Danilo
Delgado
Sara
Patino
Advisor: Dr. Sabri Tosunoglu