ece 477 final presentation group 14 spring 2005 benny parichey rakesh anubhav
TRANSCRIPT
![Page 1: ECE 477 Final Presentation Group 14 Spring 2005 BENNY PARICHEY RAKESH ANUBHAV](https://reader036.vdocument.in/reader036/viewer/2022062517/56649ee15503460f94bf11d2/html5/thumbnails/1.jpg)
ECE 477 Final Presentation ECE 477 Final Presentation Group 14 Group 14 Spring 2005 Spring 2005
BENNYBENNY
PARICHEYPARICHEY
RAKESHRAKESH
ANUBHAVANUBHAV
![Page 2: ECE 477 Final Presentation Group 14 Spring 2005 BENNY PARICHEY RAKESH ANUBHAV](https://reader036.vdocument.in/reader036/viewer/2022062517/56649ee15503460f94bf11d2/html5/thumbnails/2.jpg)
OutlineOutline
• Project overviewProject overview• Block diagramBlock diagram• Professional componentsProfessional components• Design componentsDesign components• Success criteria demonstrationsSuccess criteria demonstrations• Individual contributionsIndividual contributions• Project summaryProject summary• Questions / discussionQuestions / discussion
![Page 3: ECE 477 Final Presentation Group 14 Spring 2005 BENNY PARICHEY RAKESH ANUBHAV](https://reader036.vdocument.in/reader036/viewer/2022062517/56649ee15503460f94bf11d2/html5/thumbnails/3.jpg)
Project OverviewProject Overview
• State-of-the-art system allowing doctors to monitor patientsState-of-the-art system allowing doctors to monitor patientsbody temperature and heart rate.body temperature and heart rate.
– Device clipped to the patient. Heart rate and temperature are Device clipped to the patient. Heart rate and temperature are measured by the sensors present in the device.measured by the sensors present in the device.
– Measured data sent to the Computer via RF.Measured data sent to the Computer via RF.
– Doctors and nurses are warned through the computer and Doctors and nurses are warned through the computer and the people present around the patient are warned through a the people present around the patient are warned through a speaker if heart rate and temperature exceed threshold.speaker if heart rate and temperature exceed threshold.
– Heart rate and body temperature are Heart rate and body temperature are constantly displayed on the LCD.constantly displayed on the LCD.
![Page 4: ECE 477 Final Presentation Group 14 Spring 2005 BENNY PARICHEY RAKESH ANUBHAV](https://reader036.vdocument.in/reader036/viewer/2022062517/56649ee15503460f94bf11d2/html5/thumbnails/4.jpg)
Block DiagramBlock Diagram
Microcontroller RF transmitter
TemperatureSensor
DS 18S20
Heart rateReceiver
UART
Computer
Crystalfontz Crystalfontz CFAH1602A-YYB-JP
Boomer
1
1
9
1
RF signal
RF receiver
RS232
2
1
SpeakerSpeaker
![Page 5: ECE 477 Final Presentation Group 14 Spring 2005 BENNY PARICHEY RAKESH ANUBHAV](https://reader036.vdocument.in/reader036/viewer/2022062517/56649ee15503460f94bf11d2/html5/thumbnails/5.jpg)
Professional ComponentsProfessional Components
• Constraint analysis and component selection Constraint analysis and component selection rationalerationale
• Patent liability analysisPatent liability analysis
• Reliability and safety analysisReliability and safety analysis
• Ethical and environmental impact analysisEthical and environmental impact analysis
![Page 6: ECE 477 Final Presentation Group 14 Spring 2005 BENNY PARICHEY RAKESH ANUBHAV](https://reader036.vdocument.in/reader036/viewer/2022062517/56649ee15503460f94bf11d2/html5/thumbnails/6.jpg)
Constraint AnalysisConstraint Analysis
• MicrocontrollerMicrocontroller
• Temperature SensorTemperature Sensor
• Data transfer mediumData transfer medium
![Page 7: ECE 477 Final Presentation Group 14 Spring 2005 BENNY PARICHEY RAKESH ANUBHAV](https://reader036.vdocument.in/reader036/viewer/2022062517/56649ee15503460f94bf11d2/html5/thumbnails/7.jpg)
MicrocontrollerMicrocontrollerMicrocontrollerMicrocontroller FreescaleFreescale
MC9S12C32MC9S12C32MemoryMemory 32k Flash32k Flash
1k SRAM1k SRAM
PeripheralsPeripherals Timer, ATD, UART, PWMTimer, ATD, UART, PWM
Operating VoltagesOperating Voltages 3.3 – 5.0 V3.3 – 5.0 V
Clock SpeedsClock Speeds 0.5 – 40 Mhz0.5 – 40 Mhz
(Pierce Oscillator)(Pierce Oscillator)
PricePrice Samples available along Samples available along with Evaluation/Demo with Evaluation/Demo
BoardBoard
FamiliarityFamiliarity Familiar MCU through 362 Familiar MCU through 362
Table 1Table 1
![Page 8: ECE 477 Final Presentation Group 14 Spring 2005 BENNY PARICHEY RAKESH ANUBHAV](https://reader036.vdocument.in/reader036/viewer/2022062517/56649ee15503460f94bf11d2/html5/thumbnails/8.jpg)
Temperature SensorTemperature Sensor
Temperature Temperature SensorSensor
MaximMaxim
DS18S20DS18S20
InterfaceInterface Single WireSingle Wire
Operating VoltageOperating Voltage 3.0 – 5.5 V3.0 – 5.5 V
OutputOutput 9-bit Digital resolution9-bit Digital resolution
Table 2Table 2
![Page 9: ECE 477 Final Presentation Group 14 Spring 2005 BENNY PARICHEY RAKESH ANUBHAV](https://reader036.vdocument.in/reader036/viewer/2022062517/56649ee15503460f94bf11d2/html5/thumbnails/9.jpg)
Data transfer mediumData transfer mediumMediumMedium Radio FrequencyRadio Frequency
Linx TechnologiesLinx Technologies
LC 433 TXM/RXMLC 433 TXM/RXMFrequency Frequency 433 MHz433 MHz
SetupSetup Transmitter/Receiver components Transmitter/Receiver components availableavailable
Price Price AffordableAffordable
Table 3Table 3
![Page 10: ECE 477 Final Presentation Group 14 Spring 2005 BENNY PARICHEY RAKESH ANUBHAV](https://reader036.vdocument.in/reader036/viewer/2022062517/56649ee15503460f94bf11d2/html5/thumbnails/10.jpg)
Patent Liability AnalysisPatent Liability Analysis
• Patent #6,102,856
– Wearable vital sign monitoring system
• Infringements– Wireless Technology to transfer vital health
information to a Remote PC. - GPS• Solutions
– Use of RF as mode of wireless communication
![Page 11: ECE 477 Final Presentation Group 14 Spring 2005 BENNY PARICHEY RAKESH ANUBHAV](https://reader036.vdocument.in/reader036/viewer/2022062517/56649ee15503460f94bf11d2/html5/thumbnails/11.jpg)
Patent Liability AnalysisPatent Liability Analysis
• Patent #4,270,547Patent #4,270,547
– Vital signs monitoring systemVital signs monitoring system
• InfringementsInfringements– Portable device incorporated into handheld Portable device incorporated into handheld
casecase
SolutionsSolutions– Portable device designed to Portable device designed to
be worn on waist beltbe worn on waist belt
![Page 12: ECE 477 Final Presentation Group 14 Spring 2005 BENNY PARICHEY RAKESH ANUBHAV](https://reader036.vdocument.in/reader036/viewer/2022062517/56649ee15503460f94bf11d2/html5/thumbnails/12.jpg)
Reliability/Safety AnalysisReliability/Safety Analysis
• Motivation- Create a product safe for the user to use and also Motivation- Create a product safe for the user to use and also reliablereliable
• Components AnalyzedComponents Analyzed– Microcontroller – MC9S12C32 Microcontroller – MC9S12C32 – Receiver and TransmitterReceiver and Transmitter– Character LCD display Character LCD display – DS18S20 Temperature sensor DS18S20 Temperature sensor – Linear regulatorLinear regulator
• The microcontroller was found most likely to fail with The microcontroller was found most likely to fail with MTTF = 105263 hrsMTTF = 105263 hrs
![Page 13: ECE 477 Final Presentation Group 14 Spring 2005 BENNY PARICHEY RAKESH ANUBHAV](https://reader036.vdocument.in/reader036/viewer/2022062517/56649ee15503460f94bf11d2/html5/thumbnails/13.jpg)
Reliability/Safety AnalysisReliability/Safety Analysis
Table 4Table 4
![Page 14: ECE 477 Final Presentation Group 14 Spring 2005 BENNY PARICHEY RAKESH ANUBHAV](https://reader036.vdocument.in/reader036/viewer/2022062517/56649ee15503460f94bf11d2/html5/thumbnails/14.jpg)
Reliability/Safety AnalysisReliability/Safety Analysis
![Page 15: ECE 477 Final Presentation Group 14 Spring 2005 BENNY PARICHEY RAKESH ANUBHAV](https://reader036.vdocument.in/reader036/viewer/2022062517/56649ee15503460f94bf11d2/html5/thumbnails/15.jpg)
Ethical AnalysisEthical Analysis
• ChallengesChallenges– ReliabilityReliability– DurabilityDurability– InstructionsInstructions
• ResolutionResolution– Data encryption and error checkingData encryption and error checking– Extensive testingExtensive testing– Warning labelsWarning labels
![Page 16: ECE 477 Final Presentation Group 14 Spring 2005 BENNY PARICHEY RAKESH ANUBHAV](https://reader036.vdocument.in/reader036/viewer/2022062517/56649ee15503460f94bf11d2/html5/thumbnails/16.jpg)
Environmental AnalysisEnvironmental Analysis
• ChallengesChallenges– Board fabricationBoard fabrication– RecyclingRecycling
• ResolutionResolution– Lead-free solderLead-free solder– Recycling/Disposal instructionsRecycling/Disposal instructions
![Page 17: ECE 477 Final Presentation Group 14 Spring 2005 BENNY PARICHEY RAKESH ANUBHAV](https://reader036.vdocument.in/reader036/viewer/2022062517/56649ee15503460f94bf11d2/html5/thumbnails/17.jpg)
Design ComponentsDesign Components
• Packaging design considerationsPackaging design considerations
• Schematic design considerationsSchematic design considerations
• PCB layout design considerationsPCB layout design considerations
• Software design considerationsSoftware design considerations
![Page 18: ECE 477 Final Presentation Group 14 Spring 2005 BENNY PARICHEY RAKESH ANUBHAV](https://reader036.vdocument.in/reader036/viewer/2022062517/56649ee15503460f94bf11d2/html5/thumbnails/18.jpg)
Packaging DesignPackaging Design
Product illustration Product illustration
![Page 19: ECE 477 Final Presentation Group 14 Spring 2005 BENNY PARICHEY RAKESH ANUBHAV](https://reader036.vdocument.in/reader036/viewer/2022062517/56649ee15503460f94bf11d2/html5/thumbnails/19.jpg)
Packaging DesignPackaging Design
Final Product Final Product
![Page 20: ECE 477 Final Presentation Group 14 Spring 2005 BENNY PARICHEY RAKESH ANUBHAV](https://reader036.vdocument.in/reader036/viewer/2022062517/56649ee15503460f94bf11d2/html5/thumbnails/20.jpg)
Packaging DesignPackaging Design• Similar productsSimilar products
CPOD NASA LifeSync Wireless ECGCPOD NASA LifeSync Wireless ECG
![Page 21: ECE 477 Final Presentation Group 14 Spring 2005 BENNY PARICHEY RAKESH ANUBHAV](https://reader036.vdocument.in/reader036/viewer/2022062517/56649ee15503460f94bf11d2/html5/thumbnails/21.jpg)
Schematic DesignSchematic Design
9S12C32 MCU Schematic
![Page 22: ECE 477 Final Presentation Group 14 Spring 2005 BENNY PARICHEY RAKESH ANUBHAV](https://reader036.vdocument.in/reader036/viewer/2022062517/56649ee15503460f94bf11d2/html5/thumbnails/22.jpg)
Schematic DesignSchematic Design
RF Transmitter with Embedded Antenna
![Page 23: ECE 477 Final Presentation Group 14 Spring 2005 BENNY PARICHEY RAKESH ANUBHAV](https://reader036.vdocument.in/reader036/viewer/2022062517/56649ee15503460f94bf11d2/html5/thumbnails/23.jpg)
Schematic DesignSchematic Design
Heart beat receiver circuit with LM393N Comparator
![Page 24: ECE 477 Final Presentation Group 14 Spring 2005 BENNY PARICHEY RAKESH ANUBHAV](https://reader036.vdocument.in/reader036/viewer/2022062517/56649ee15503460f94bf11d2/html5/thumbnails/24.jpg)
Schematic DesignSchematic Design
Boomer/Amplifier Schematic
![Page 25: ECE 477 Final Presentation Group 14 Spring 2005 BENNY PARICHEY RAKESH ANUBHAV](https://reader036.vdocument.in/reader036/viewer/2022062517/56649ee15503460f94bf11d2/html5/thumbnails/25.jpg)
Schematic DesignSchematic Design
Linear Regulator Schematic
![Page 26: ECE 477 Final Presentation Group 14 Spring 2005 BENNY PARICHEY RAKESH ANUBHAV](https://reader036.vdocument.in/reader036/viewer/2022062517/56649ee15503460f94bf11d2/html5/thumbnails/26.jpg)
PCB Layout DesignPCB Layout Design
TOP LAYERTOP LAYER
![Page 27: ECE 477 Final Presentation Group 14 Spring 2005 BENNY PARICHEY RAKESH ANUBHAV](https://reader036.vdocument.in/reader036/viewer/2022062517/56649ee15503460f94bf11d2/html5/thumbnails/27.jpg)
BOTTOM LAYERBOTTOM LAYER
PCB Layout DesignPCB Layout Design
![Page 28: ECE 477 Final Presentation Group 14 Spring 2005 BENNY PARICHEY RAKESH ANUBHAV](https://reader036.vdocument.in/reader036/viewer/2022062517/56649ee15503460f94bf11d2/html5/thumbnails/28.jpg)
PCB Design ConstraintsPCB Design Constraints
• Placement of RF transmitter and the antenna far Placement of RF transmitter and the antenna far from the oscillator to reduce EMIfrom the oscillator to reduce EMI
• Avoid 90Avoid 90oo angle traces to reduce capacitance angle traces to reduce capacitance
• Use 40 mil traces for power and ground to reduce Use 40 mil traces for power and ground to reduce heat dissipationheat dissipation
• Decoupling capacitors near the VCC pins of MCU to Decoupling capacitors near the VCC pins of MCU to reduce ripple produced in the circuitreduce ripple produced in the circuit
• Minimize the number of VIASMinimize the number of VIAS
![Page 29: ECE 477 Final Presentation Group 14 Spring 2005 BENNY PARICHEY RAKESH ANUBHAV](https://reader036.vdocument.in/reader036/viewer/2022062517/56649ee15503460f94bf11d2/html5/thumbnails/29.jpg)
Software DesignSoftware DesignStart
Main Initialization
Get heart rate sensor input
Pulse?No
Get temperature value
Start timer
Yes
Get heart rate sensor input
No
Calculate heart rate
Emergency?
Pulse?
Yes
Sound buzzerYes
No
Display data on LCD
Send data via RF
Turn buzzer off
![Page 30: ECE 477 Final Presentation Group 14 Spring 2005 BENNY PARICHEY RAKESH ANUBHAV](https://reader036.vdocument.in/reader036/viewer/2022062517/56649ee15503460f94bf11d2/html5/thumbnails/30.jpg)
Software DesignSoftware Design
• MainMain• Heart Rate MonitorHeart Rate Monitor• Temperature MonitorTemperature Monitor• RF TransmissionRF Transmission• LCD DisplayLCD Display• Emergency DetectionEmergency Detection
![Page 31: ECE 477 Final Presentation Group 14 Spring 2005 BENNY PARICHEY RAKESH ANUBHAV](https://reader036.vdocument.in/reader036/viewer/2022062517/56649ee15503460f94bf11d2/html5/thumbnails/31.jpg)
Success Criteria Success Criteria DemonstrationsDemonstrations
![Page 32: ECE 477 Final Presentation Group 14 Spring 2005 BENNY PARICHEY RAKESH ANUBHAV](https://reader036.vdocument.in/reader036/viewer/2022062517/56649ee15503460f94bf11d2/html5/thumbnails/32.jpg)
Individual ContributionsIndividual Contributions
• Team Member 1– Anubhav Arya Team Member 1– Anubhav Arya
• Team Member 2 – Benny WongTeam Member 2 – Benny Wong
• Team Member 3 – Parichey GandhiTeam Member 3 – Parichey Gandhi
• Team Member 4 – Rakesh BhatiaTeam Member 4 – Rakesh Bhatia
![Page 33: ECE 477 Final Presentation Group 14 Spring 2005 BENNY PARICHEY RAKESH ANUBHAV](https://reader036.vdocument.in/reader036/viewer/2022062517/56649ee15503460f94bf11d2/html5/thumbnails/33.jpg)
Member 1 - Anubhav AryaMember 1 - Anubhav Arya
• DocumentationDocumentation - Design Constraint - Design Constraint
Analysis Analysis- Circuit Design & - Circuit Design &
Theory of OperationTheory of Operation
• Hardware Hardware - PCB population- PCB population - Packaging- Packaging
• SoftwareSoftware - LCD Display- LCD Display
![Page 34: ECE 477 Final Presentation Group 14 Spring 2005 BENNY PARICHEY RAKESH ANUBHAV](https://reader036.vdocument.in/reader036/viewer/2022062517/56649ee15503460f94bf11d2/html5/thumbnails/34.jpg)
Member 2 – Benny WongMember 2 – Benny Wong• DocumentationDocumentation
– Ethical/Environmental AnalysisEthical/Environmental Analysis– Software AnalysisSoftware Analysis
• HardwareHardware– Component selectionComponent selection– Board population (RF receiver)Board population (RF receiver)– Testing and debuggingTesting and debugging
• SoftwareSoftware– Heart Rate SensorHeart Rate Sensor– Emergency DetectionEmergency Detection– RF transmissionRF transmission– Overall functionalityOverall functionality– WebmasterWebmaster
![Page 35: ECE 477 Final Presentation Group 14 Spring 2005 BENNY PARICHEY RAKESH ANUBHAV](https://reader036.vdocument.in/reader036/viewer/2022062517/56649ee15503460f94bf11d2/html5/thumbnails/35.jpg)
Member 3 – Parichey GandhiMember 3 – Parichey Gandhi
• DocumentationDocumentation– PCB layout designPCB layout design– Patent Liability AnalysisPatent Liability Analysis
• HardwareHardware– Layout Footprints and Layout Footprints and
Placement of partsPlacement of parts– Packaging DesignPackaging Design
• SoftwareSoftware– Temperature SensorTemperature Sensor– SpeakerSpeaker
![Page 36: ECE 477 Final Presentation Group 14 Spring 2005 BENNY PARICHEY RAKESH ANUBHAV](https://reader036.vdocument.in/reader036/viewer/2022062517/56649ee15503460f94bf11d2/html5/thumbnails/36.jpg)
Member 4 – Rakesh BhatiaMember 4 – Rakesh Bhatia
• DocumentationDocumentation– Packaging Specifications Packaging Specifications
and Design and Design – Reliability and Safety Reliability and Safety analysisanalysis
• HardwareHardware– PCB populationPCB population– Packaging designPackaging design
• SoftwareSoftware– LCD displayLCD display
![Page 37: ECE 477 Final Presentation Group 14 Spring 2005 BENNY PARICHEY RAKESH ANUBHAV](https://reader036.vdocument.in/reader036/viewer/2022062517/56649ee15503460f94bf11d2/html5/thumbnails/37.jpg)
Project SummaryProject Summary
• Important lessons learnedImportant lessons learned– Match your footprints before sending the layoutMatch your footprints before sending the layout
– Solder the micro-controller first and then the Solder the micro-controller first and then the headersheaders
– Ensure functionality of each component before Ensure functionality of each component before soldering the rest on the PCBsoldering the rest on the PCB
– Select micro based on the number of Select micro based on the number of I/O pins requiredI/O pins required
![Page 38: ECE 477 Final Presentation Group 14 Spring 2005 BENNY PARICHEY RAKESH ANUBHAV](https://reader036.vdocument.in/reader036/viewer/2022062517/56649ee15503460f94bf11d2/html5/thumbnails/38.jpg)
Project SummaryProject Summary
• Second iteration enhancementsSecond iteration enhancements– PCB dimensions could have been smallerPCB dimensions could have been smaller
– Better PackagingBetter Packaging
– Additional features Additional features • Blood pressureBlood pressure• Maintaining a health history of the patientMaintaining a health history of the patient
![Page 39: ECE 477 Final Presentation Group 14 Spring 2005 BENNY PARICHEY RAKESH ANUBHAV](https://reader036.vdocument.in/reader036/viewer/2022062517/56649ee15503460f94bf11d2/html5/thumbnails/39.jpg)
Questions / DiscussionQuestions / Discussion