![Page 1: Notification System (RENS) Remote Emergencyengineering.nyu.edu/mechatronics/projects/ME3484/2003_projects/gas/RENS.pdf · Notification System (RENS) Group 5 Nazmul Alam Saul Harari](https://reader033.vdocuments.us/reader033/viewer/2022041912/5e67c0bbbb71cd001e22ec21/html5/thumbnails/1.jpg)
11
Remote Emergency Remote Emergency Notification System (RENS)Notification System (RENS)
Group 5Group 5Nazmul AlamNazmul AlamSaul HarariSaul HarariTodd KingTodd King
![Page 2: Notification System (RENS) Remote Emergencyengineering.nyu.edu/mechatronics/projects/ME3484/2003_projects/gas/RENS.pdf · Notification System (RENS) Group 5 Nazmul Alam Saul Harari](https://reader033.vdocuments.us/reader033/viewer/2022041912/5e67c0bbbb71cd001e22ec21/html5/thumbnails/2.jpg)
22
OverviewOverview
�� IntroductionIntroduction�� ObjectiveObjective�� SensorSensor�� Transmitter/ReceiverTransmitter/Receiver�� CodeCode�� Components/Cost & Load AnalysisComponents/Cost & Load Analysis�� Improvements & UpgradesImprovements & Upgrades�� AcknowledgementsAcknowledgements
![Page 3: Notification System (RENS) Remote Emergencyengineering.nyu.edu/mechatronics/projects/ME3484/2003_projects/gas/RENS.pdf · Notification System (RENS) Group 5 Nazmul Alam Saul Harari](https://reader033.vdocuments.us/reader033/viewer/2022041912/5e67c0bbbb71cd001e22ec21/html5/thumbnails/3.jpg)
33
ObjectiveObjective
�� To design and build a system that To design and build a system that demonstrates the ability to remotely detect demonstrates the ability to remotely detect trace gas levels and transmit this detection trace gas levels and transmit this detection to a receiver unit utilizing a Basic Stamp, to a receiver unit utilizing a Basic Stamp, and digital and analog sensors, and and digital and analog sensors, and actuators.actuators.
![Page 4: Notification System (RENS) Remote Emergencyengineering.nyu.edu/mechatronics/projects/ME3484/2003_projects/gas/RENS.pdf · Notification System (RENS) Group 5 Nazmul Alam Saul Harari](https://reader033.vdocuments.us/reader033/viewer/2022041912/5e67c0bbbb71cd001e22ec21/html5/thumbnails/4.jpg)
44
SensorSensor�� Types of Gas SensorsTypes of Gas Sensors
–– IR absorption.IR absorption.–– Metal Oxides. Tin oxide/ Titanium oxide. Metal Oxides. Tin oxide/ Titanium oxide. –– Catalytic Combustible. Heated catalytic bead.Catalytic Combustible. Heated catalytic bead.–– EtcEtc
![Page 5: Notification System (RENS) Remote Emergencyengineering.nyu.edu/mechatronics/projects/ME3484/2003_projects/gas/RENS.pdf · Notification System (RENS) Group 5 Nazmul Alam Saul Harari](https://reader033.vdocuments.us/reader033/viewer/2022041912/5e67c0bbbb71cd001e22ec21/html5/thumbnails/5.jpg)
55
Trace Hydrogen SensorTrace Hydrogen Sensor�� Manufactured by Manufactured by
Nanomaterials LLCNanomaterials LLC�� High sensitivity to low High sensitivity to low
concentrations of concentrations of hydrogen(10hydrogen(10--1000ppm)1000ppm)
�� Fast response (~15 sec)Fast response (~15 sec)�� Operating rangeOperating range
–– --2020--50 degrees Celsius50 degrees Celsius–– 00--90% RH (non90% RH (non--condensing)condensing)–– Low dependency on flow rateLow dependency on flow rate
![Page 6: Notification System (RENS) Remote Emergencyengineering.nyu.edu/mechatronics/projects/ME3484/2003_projects/gas/RENS.pdf · Notification System (RENS) Group 5 Nazmul Alam Saul Harari](https://reader033.vdocuments.us/reader033/viewer/2022041912/5e67c0bbbb71cd001e22ec21/html5/thumbnails/6.jpg)
66
Trace Hydrogen Sensor cont.Trace Hydrogen Sensor cont.
�� Operates on a 9Operates on a 9--24 24 VDC power supplyVDC power supply
�� Heater element Heater element operates at ~240 operates at ~240 degrees Celsiusdegrees Celsius
�� Sensor output 0Sensor output 0--5VDC 5VDC continuouscontinuous
�� Sensor zero and gain Sensor zero and gain are user adjustableare user adjustable
![Page 7: Notification System (RENS) Remote Emergencyengineering.nyu.edu/mechatronics/projects/ME3484/2003_projects/gas/RENS.pdf · Notification System (RENS) Group 5 Nazmul Alam Saul Harari](https://reader033.vdocuments.us/reader033/viewer/2022041912/5e67c0bbbb71cd001e22ec21/html5/thumbnails/7.jpg)
77
Future Semiconductor Sensor Future Semiconductor Sensor TechnologyTechnology
�� Current sensor limitationsCurrent sensor limitations–– Require large operating voltagesRequire large operating voltages–– High resistance in the electrodesHigh resistance in the electrodes–– Require elevated sensor temperaturesRequire elevated sensor temperatures
�� Current Research/DevelopmentsCurrent Research/Developments–– Sensor can operate at room temperatureSensor can operate at room temperature–– Operating voltage range 1Operating voltage range 1--10mV10mV–– Improved sensitivity 10Improved sensitivity 10--100 ppm100 ppm–– Reversible chemical processesReversible chemical processes
�� The Final StepThe Final Step–– Increased selectivityIncreased selectivity–– Lower concentration levelsLower concentration levels
![Page 8: Notification System (RENS) Remote Emergencyengineering.nyu.edu/mechatronics/projects/ME3484/2003_projects/gas/RENS.pdf · Notification System (RENS) Group 5 Nazmul Alam Saul Harari](https://reader033.vdocuments.us/reader033/viewer/2022041912/5e67c0bbbb71cd001e22ec21/html5/thumbnails/8.jpg)
88
Transmitter/ReceiverTransmitter/Receiver--Main Main ComponentsComponents
Transmitter Circuit Board
Receiver Circuit BoardReceiver Module Circuit Board
![Page 9: Notification System (RENS) Remote Emergencyengineering.nyu.edu/mechatronics/projects/ME3484/2003_projects/gas/RENS.pdf · Notification System (RENS) Group 5 Nazmul Alam Saul Harari](https://reader033.vdocuments.us/reader033/viewer/2022041912/5e67c0bbbb71cd001e22ec21/html5/thumbnails/9.jpg)
99
Transmitter/Receiver SpecificationsTransmitter/Receiver Specifications
�� UHF (433.9Mhz), licenseUHF (433.9Mhz), license--free (LIPD band) operationfree (LIPD band) operation�� Range ~ 100 mRange ~ 100 m�� Aligned transmitter and receiver modulesAligned transmitter and receiver modules�� RollingRolling--code (“code hopping”) operation (7.3 x 10code (“code hopping”) operation (7.3 x 1099 codes)codes)�� Receiver “learns” transmitter codeReceiver “learns” transmitter code�� Receiver can handle up to 15 transmittersReceiver can handle up to 15 transmitters�� 4 channels available, each either momentary (push on, 4 channels available, each either momentary (push on,
release off) or latching (push on, push off) via jumpersrelease off) or latching (push on, push off) via jumpers�� Each channel relay contacts rated at 28VDC/12A (single Each channel relay contacts rated at 28VDC/12A (single
pole changeover)pole changeover)�� 12VDC operation, we are using 5VDC on transmitter and 12VDC operation, we are using 5VDC on transmitter and
9VDC on receiver.9VDC on receiver.
![Page 10: Notification System (RENS) Remote Emergencyengineering.nyu.edu/mechatronics/projects/ME3484/2003_projects/gas/RENS.pdf · Notification System (RENS) Group 5 Nazmul Alam Saul Harari](https://reader033.vdocuments.us/reader033/viewer/2022041912/5e67c0bbbb71cd001e22ec21/html5/thumbnails/10.jpg)
1010
Receiver ModuleReceiver Module
![Page 11: Notification System (RENS) Remote Emergencyengineering.nyu.edu/mechatronics/projects/ME3484/2003_projects/gas/RENS.pdf · Notification System (RENS) Group 5 Nazmul Alam Saul Harari](https://reader033.vdocuments.us/reader033/viewer/2022041912/5e67c0bbbb71cd001e22ec21/html5/thumbnails/11.jpg)
1111
Receiver Circuit DiagramReceiver Circuit Diagram
![Page 12: Notification System (RENS) Remote Emergencyengineering.nyu.edu/mechatronics/projects/ME3484/2003_projects/gas/RENS.pdf · Notification System (RENS) Group 5 Nazmul Alam Saul Harari](https://reader033.vdocuments.us/reader033/viewer/2022041912/5e67c0bbbb71cd001e22ec21/html5/thumbnails/12.jpg)
1212
Receiver Output SchematicReceiver Output Schematic
![Page 13: Notification System (RENS) Remote Emergencyengineering.nyu.edu/mechatronics/projects/ME3484/2003_projects/gas/RENS.pdf · Notification System (RENS) Group 5 Nazmul Alam Saul Harari](https://reader033.vdocuments.us/reader033/viewer/2022041912/5e67c0bbbb71cd001e22ec21/html5/thumbnails/13.jpg)
1313
Microcontroller InterfaceMicrocontroller Interface
![Page 14: Notification System (RENS) Remote Emergencyengineering.nyu.edu/mechatronics/projects/ME3484/2003_projects/gas/RENS.pdf · Notification System (RENS) Group 5 Nazmul Alam Saul Harari](https://reader033.vdocuments.us/reader033/viewer/2022041912/5e67c0bbbb71cd001e22ec21/html5/thumbnails/14.jpg)
1414
PBasic Code: Level TransmissionPBasic Code: Level Transmission
![Page 15: Notification System (RENS) Remote Emergencyengineering.nyu.edu/mechatronics/projects/ME3484/2003_projects/gas/RENS.pdf · Notification System (RENS) Group 5 Nazmul Alam Saul Harari](https://reader033.vdocuments.us/reader033/viewer/2022041912/5e67c0bbbb71cd001e22ec21/html5/thumbnails/15.jpg)
1515
PBasic Code: DAQ and Level CheckPBasic Code: DAQ and Level Check
![Page 16: Notification System (RENS) Remote Emergencyengineering.nyu.edu/mechatronics/projects/ME3484/2003_projects/gas/RENS.pdf · Notification System (RENS) Group 5 Nazmul Alam Saul Harari](https://reader033.vdocuments.us/reader033/viewer/2022041912/5e67c0bbbb71cd001e22ec21/html5/thumbnails/16.jpg)
1616
PBasic Code: ROM StoragePBasic Code: ROM Storage
![Page 17: Notification System (RENS) Remote Emergencyengineering.nyu.edu/mechatronics/projects/ME3484/2003_projects/gas/RENS.pdf · Notification System (RENS) Group 5 Nazmul Alam Saul Harari](https://reader033.vdocuments.us/reader033/viewer/2022041912/5e67c0bbbb71cd001e22ec21/html5/thumbnails/17.jpg)
1717
PBasic Code: Data RetrievalPBasic Code: Data Retrieval
![Page 18: Notification System (RENS) Remote Emergencyengineering.nyu.edu/mechatronics/projects/ME3484/2003_projects/gas/RENS.pdf · Notification System (RENS) Group 5 Nazmul Alam Saul Harari](https://reader033.vdocuments.us/reader033/viewer/2022041912/5e67c0bbbb71cd001e22ec21/html5/thumbnails/18.jpg)
1818
Components and Cost AnalysisComponents and Cost Analysis
$268.93 Total$ 0.99 1100 mFd 35 VDC capacitor
$ 0.99 2.1 mFd disc capacitor
$ 0.99 110 mFd 35VDC capacitor
$ 1.19 1Pk5 LED snap-holders
$ 1.49 29 Pin male DSUB plug
$ 1.49 19 Pin female DSUB connector
$ 1.49 17805 Voltage Regulator
$ 1.69 1PC board
$ 1.99 1Pack 10 small wire clips
$ 2.29 1Heat shrink tubing packet
$ 2.49 12.1 mm coax plug
$ 3.99 1DPDT 6A Toggle switch
$ 3.99 13.6Khz Piezo Speaker
$ 4.98 22.1 mm power jack
$ 4.99 1Project box 6x4x2
$ 5.99 1Project box 7x5x3
$ 7.95 numerousMounting hardware
$ 44.95 1Tx/Rx kit
$ 75.00 1Trace Hydrogen Eval. Kit
$100.00 1BOE
CostQuantityComponent
![Page 19: Notification System (RENS) Remote Emergencyengineering.nyu.edu/mechatronics/projects/ME3484/2003_projects/gas/RENS.pdf · Notification System (RENS) Group 5 Nazmul Alam Saul Harari](https://reader033.vdocuments.us/reader033/viewer/2022041912/5e67c0bbbb71cd001e22ec21/html5/thumbnails/19.jpg)
1919
LoadLoad AnalysisAnalysis
257.4mW/257.4mW28.6mA/28.6mA9VDCBS2
1.632W136mA12VDCSensor
112.5mW/0mW12.5mA/0mA9VDCLED/Piezo
555.3mW/63.9mW61.7mA/7.1mA9VDCReceiver
5.5mW/0mW1.10mA/0mA5VDCTransmitter
PowerTx-on/PowerTx-offCurrentTx-on/CurrentTx-offVoltageModule
![Page 20: Notification System (RENS) Remote Emergencyengineering.nyu.edu/mechatronics/projects/ME3484/2003_projects/gas/RENS.pdf · Notification System (RENS) Group 5 Nazmul Alam Saul Harari](https://reader033.vdocuments.us/reader033/viewer/2022041912/5e67c0bbbb71cd001e22ec21/html5/thumbnails/20.jpg)
2020
Improvements and ModificationsImprovements and Modifications
�� Sensor system can be modified with an array of sensors to Sensor system can be modified with an array of sensors to detect multiple agents.detect multiple agents.
�� Communication modules can be changed to suit Communication modules can be changed to suit geographical conditions.geographical conditions.–– E.g. AM/FM, Ethernet, Modem, Hardwired comm systems.E.g. AM/FM, Ethernet, Modem, Hardwired comm systems.
�� Future designs would incorporate integrated technologies Future designs would incorporate integrated technologies to enable smaller module packages.to enable smaller module packages.–– E.g. Replacement of BOE and Basic Stamp, Tx/Rx IC modules, E.g. Replacement of BOE and Basic Stamp, Tx/Rx IC modules,
larger ROM storage for data logging.larger ROM storage for data logging.�� Alternative forms of power supplies can be utilized to Alternative forms of power supplies can be utilized to
power the various modules. power the various modules. –– E.g. Solar cells, hardwired power supplies. E.g. Solar cells, hardwired power supplies.
![Page 21: Notification System (RENS) Remote Emergencyengineering.nyu.edu/mechatronics/projects/ME3484/2003_projects/gas/RENS.pdf · Notification System (RENS) Group 5 Nazmul Alam Saul Harari](https://reader033.vdocuments.us/reader033/viewer/2022041912/5e67c0bbbb71cd001e22ec21/html5/thumbnails/21.jpg)
2121
AcknowledgementsAcknowledgements�� Professor Vikram KapilaProfessor Vikram Kapila
–– Department of Mechanical Engineering, Polytechnic Department of Mechanical Engineering, Polytechnic UniversityUniversity
�� Clayton J. KosteleckyClayton J. Kostelecky–– Nanomaterials Research LLC Nanomaterials Research LLC
�� Professor Kalle Levon Professor Kalle Levon –– Department Head and Director, Polymer Research Department Head and Director, Polymer Research
Institute, Polytechnic UniversityInstitute, Polytechnic University�� Nathan LeeNathan Lee
–– Graduate Assistant, Department of Mechanical Graduate Assistant, Department of Mechanical Engineering, Polytechnic UniversityEngineering, Polytechnic University