Post on 14-Aug-2015
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23/4/15Son Vuong Resonance Lab University
of California Irvine1
Senior Design Project
Environmental Monitoring SystemOptimizing Horticulture Irrigation
Team EnMon
Son Vuong Nathan Wu
Tristan Delforge Cameron Samak
Tuesday, March 10, 2015
23/4/15Son Vuong Resonance Lab University
of California Irvine2 2
Senior Design Project
Image source: National Climatic Data Center/NESDIS/NOAA
470mm Average
<200mm in 2013
U.S. Geological Survey 2010• 61% of water in California is used for irrigation
Scientific America• Sprinklers can consume 265 gallons/hour
Background
23/4/15Son Vuong Resonance Lab University
of California Irvine3 3
Senior Design Project
3Tristan Delforge, Cameron Samak, Son Vuong, Nathan Wu
EECS 159AB Fall 2014- Winter 2015 University of California Irvine
Senior Design Project
04/15/23
Problem Irrigation systems make up more than half of California’s water usage.
Proposed Solution Develop a method to reduce water usage by irrigation systems.
Objective
Image source: Nealyphoto.com
23/4/15Son Vuong Resonance Lab University
of California Irvine4 4
Senior Design Project
1. Market Researcha. Cyber Rainb. HydroPoint WeatherTRAKc. Weathermatic
2. Project Overviewa. Design requirementsb. System topology
3. Subsystemsa. Communications1. Sensorsa. Embedded controllersb. Graphical user interface
4. Project Managementa. Prototype Testingb. Future Work
Overview
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of California Irvine5 5
Senior Design Project
Description• Mount on existing automatic sprinkler
systems. • Synchronizes with internet weather data to
modify irrigation schedule.
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of California Irvine6 6
Senior Design Project
Description• Combines weather data and landscape parameters
(plant, soil, slope and sprinkler type) to establish optimum watering schedule.
23/4/15Son Vuong Resonance Lab University
of California Irvine7 7
Senior Design Project
Description• Weather sensor, Flow Sensor, Valve.• All components are sold separately. • Shuts-off on rainy days.
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of California Irvine8 8
Senior Design Project
Cost $799 for 8 Zones $2274 for 48 Zones $500 for 8 Zones
Spec
•2 mile range•Wireless•120VAC
•Wired/Wireless•120VAC
•475m range from controller•Wired/Wireless•DC and AC
Pros
•Easy installation•Easy maintenance•Low Cost
•Independent of internet•Complete system package•Independent schedule per zone
•Independent of internet•Used in sunlight or shade
Cons
•Does not measure local parameters•Internet dependent•Small area coverage
•Maximum of 48 stations•Customers report small coverage•Insignificant water saving•Chaotic system management
•Components sold separately•Complicated installation process
23/4/15Son Vuong Resonance Lab University
of California Irvine9 9
Senior Design Project
Cost $799 for 8 Zones $2274 for 48 Zones $500 for 8 Zones
Spec
•2 mile range•Wireless•120VAC
•Wired/Wireless•120VAC
•475m range from controller•Wired/Wireless•DC and AC
Pros
•Easy installation•Easy maintenance•Low Cost
•Independent of internet•Complete system package•Independent schedule per zone
•Independent of internet•Used in sunlight or shade
Cons
•Does not measure local parameters•Internet dependent•Small area coverage
•Maximum of 48 stations•Customers report small coverage•Insignificant water saving•Chaotic system management
•Components sold separately•Complicated installation process
23/4/15Son Vuong Resonance Lab University
of California Irvine10 10
Senior Design Project
Cost $799 for 8 Zones $2274 for 48 Zones $500 for 8 Zones
Spec
•2 mile range•Wireless•120VAC
•Wired/Wireless•120VAC
•475m range from controller•Wired/Wireless•DC and AC
Pros
•Easy installation•Easy maintenance•Low Cost
•Independent of internet•Complete system package•Independent schedule per zone
•Independent of internet•Used in sunlight or shade
Cons
•Does not measure local parameters•Internet dependent•Small area coverage
•Maximum of 48 stations•Customers report small coverage•Insignificant water saving•Chaotic system management
•Components sold separately•Complicated installation process
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of California Irvine11 11
Senior Design Project
1. Competitive Cost (Less than $100 per zone)2. Scalable system3. Internet independent4. Zone specific watering schedule5. Central management system6. Ease of use/installation/maintenance
Design Requirements
Target Market : Large scale farms greater than 100 acres
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of California Irvine12 12
Senior Design Project
System Topology
Sensor
Main Controller
Centralized system management and analysis
Collection of local environment data to improve accuracy
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of California Irvine13 13
Senior Design Project
System Topology
Sensor
Main Controller
100 square acre plot of land
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of California Irvine14 14
Senior Design Project
System Topology
Sensor
Main Controller
100 square acre plot of land
23/4/15Son Vuong Resonance Lab University
of California Irvine15 15
Senior Design Project
System Topology
Sensor
Main Controller
100 square acre plot of land
23/4/15Son Vuong Resonance Lab University
of California Irvine16 16
Senior Design Project
System Topology
Sensor
Main Controller
100 square acre plot of land
Zone Controller
23/4/15Son Vuong Resonance Lab University
of California Irvine17 17
Senior Design Project
System Topology
Sensor
Main Controller
100 square acre plot of land
Zone Controller
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of California Irvine18 18
Senior Design Project
Analogy
Sensor
Main Controller
100 square acre plot of land
Zone Controller
ISP
Router
Wireless Devices
Router
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of California Irvine19 19
Senior Design Project
System Topology
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of California Irvine20 20
Senior Design Project
System Topology
Data Bottleneck
Low Sample Rate(Sample/10min)
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of California Irvine21 21
Senior Design Project
System Topology
Data Bottleneck
Low Sample Rate
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of California Irvine22 22
Senior Design Project
Why Wireless Sensors?Simplicity and Ease of Installation!
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of California Irvine23 23
Senior Design Project
System Topology
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of California Irvine24 24
Senior Design Project
Functional Block Diagram
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of California Irvine25 25
Senior Design Project
1. Market Researcha. Cyber Rainb. HydroPoint WeatherTRAKc. Weathermatic
2. Project Overviewa. Design requirementsb. System topology
3. Subsystemsa. Communications1. Sensorsa. Embedded controllersb. Graphical user interface
4. Project Managementa. Prototype Testingb. Future Work
Overview
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of California Irvine26 26
Senior Design Project
Type Architecture Active Connection Rate (MBps)
Range (m) Addressing Topology
BTLE Asynchronous Client/Server Connection-Less 1 1/10/100 16-bit/
128-bit PSP, PicoNet, Star-Bus
ZigBee Asynchronous/Isochronous Connection-Less 0.25 30/100 Self
Addressing P2P, PicoNet, Mesh, Star
Wifi 110/300 70/250 Access Point, Ad-Hoc, Mesh
Communications
23/4/15Son Vuong Resonance Lab University
of California Irvine27 27
Senior Design Project
Bill of Materials Sensors
Part Description QtyUni
tCost Total
60166DHT11 - Temp and Relative Humidity
11.4
61.46 1.46
FW1S Soil Hygrometer 11.0
61.06 1.06
2.52 Total
Sensors
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of California Irvine28 28
Senior Design Project
Embedded Controllers
1. Technical support documentation2. Reduced cost3. Availability4. Low barrier to entry5. Does it meet design specifications?
What we wanted
1. Microchip PIC24F microcontroller with separate transceivera. Meets requirements aboveb. Development kits available through mentor’s labc. Mature technology.
2. Atmel microcontrollersa. Meets requirements aboveb. Team member experience in chip use
What we decided
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of California Irvine29 29
Senior Design Project
Embedded Controllers
Microchip Transceiver PowerO/P Tx Rx Range
Type Part Number Module dBm mA mA ft Cost Package InterfacesBlueTooth RN4020-V/RM TxRx 7 16 16 328 8.84 SM UART, SPI
2.4GHzMiWi, MiWi, P2P ZigBee
MRF24J40 TxRx 0 23 19 3.30 QFN SPIMRF24XA TxRx -17.5 25 13 2.51 QFN SPIMRF24J40MA TxRx 0 23 19 400ft 9.12 Module SPIMRF24J40MC TxRx 19 120 25 4000ft 16.2 Module SPIMRF24J40MD TxRx 20 77 25 4000ft 15.9 Module SPI
SubGHzMiWi, MiWi, P2P ZigBee
MRF89XA TxRx 12.4 25 3 30-330 2.44 QFN SPIMRF49XA TxRx 7 15 11 2.40 TSSOP SPIMRF89XAM8A /9A TxRx 10 25 3 7.95 Module SPI
23/4/15Son Vuong Resonance Lab University
of California Irvine30 30
Senior Design Project
Embedded Controllers
Microchip Transceiver PowerO/P Tx Rx Range
Type Part Number Module dBm mA mA ft Cost Package InterfacesBlueTooth RN4020-V/RM TxRx 7 16 16 328 8.84 SM UART, SPI
2.4GHzMiWi, MiWi, P2P ZigBee
MRF24J40 TxRx 0 23 19 3.30 QFN SPIMRF24XA TxRx -17.5 25 13 2.51 QFN SPIMRF24J40MA TxRx 0 23 19 400ft 9.12 Module SPIMRF24J40MC TxRx 19 120 25 4000ft 16.2 Module SPIMRF24J40MD TxRx 20 77 25 4000ft 15.9 Module SPI
SubGHzMiWi, MiWi, P2P ZigBee
MRF89XA TxRx 12.4 25 3 30-330 2.44 QFN SPIMRF49XA TxRx 7 15 11 2.40 TSSOP SPIMRF89XAM8A /9A TxRx 10 25 3 7.95 Module SPI
23/4/15Son Vuong Resonance Lab University
of California Irvine31 31
Senior Design Project
Embedded Controllers
Atmel ATMEGA256RFR2Integrated microcontroller and transceiver
MicrochipPIC24FJ64GB002 microcontrollerMRF24J40MA transceiver
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of California Irvine32 32
Senior Design Project
Embedded Controllers
Bill of Materials Atmel
Part Description QtyUni
tCost Total
ATZB-256RFR2-XPRO
Atmel Integrated QFN Chip
17.2
07.20 7.20
7.20 TotalBill of Materials MicroChip
Part DescriptionQty
Unit
Cost Total
PIC24FJ64GB002-I/SP
MicroChip microcontroller
13.6
43.64 3.64
MRF24J40MA-I/RM
MicroChip Transceiver Module
19.1
29.12 9.12
12.76
Total
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of California Irvine33 33
Senior Design Project
Bill of Materials
Prototype PartsPart Description Qty Unit Cost Total
PIC24FJ64GB002-I/SP
MicroChip microcontroller (SPDIP) 4 3.64 14.56 14.56
MRF24J40MA-I/RM MicroChip Transceiver Module 3 9.12 27.36 27.36
60166DHT11 Module - Temp and Rel Humidity
3 1.46 4.38 4.38
FW1S Soil Hygrometer 3 1.06 3.18 3.18ATZB-256RFR2-XPRO
Atmel Integrated 2 29.00 58.00 58.00
ATAVRDRAGON Atmel Debugger/Programmer 1 49.00 49.00 49.00
DV164130 PICkit 3 Starter Kit 1 64.95 64.95 64.95
N/A Arduino Uno 1 24.95 24.95 24.95
246.38 Total
Bill of Materials Sensors
60166DHT11 Module - Temp and Rel Humidity
1 1.46 1.46 1.46
FW1S Soil Hygrometer 1 1.06 1.06 1.065.52 TotalBill of Materials Atmel
ATZB-256RFR2-XPRO
Atmel Integrated QFN Chip 1 7.20 7.20 7.20
7.20 TotalBill of Materials MicroChipPIC24FJ64GB002-I/SP
MicroChip microcontroller (SPDIP) 1 3.64 3.64 3.64
MRF24J40MA-I/RM MicroChip Transceiver Module 1 9.12 9.12 9.1212.76 Total
23/4/15Son Vuong Resonance Lab University
of California Irvine34 34
Senior Design Project
1. Market Researcha. Cyber Rainb. HydroPoint WeatherTRAKc. Weathermatic
2. Project Overviewa. Design requirementsb. System topology
3. Subsystemsa. Communications1. Sensorsa. Embedded controllersb. Graphical user interface
4. Project Managementa. Prototype Testingb. Future Work
Overview
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of California Irvine35 35
Senior Design Project
Project Management
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of California Irvine39 39
Senior Design Project
•A working sensor prototype that collects sensor data and transmits it.
•A node used to relay sensor data to a main node.
•A graphical user interface that retrieves sensor data.
•A working demonstration of our system to collect data from sensors and display it on a graphical user interface.
•A final report describing our system, our design process and next stages of development.
Project Management
Deliverables
23/4/15Son Vuong Resonance Lab University
of California Irvine40 40
Senior Design Project
Prototype Testing
• Fetching soil sensor data onto Atmel microcontroller
• Transfer sensor data between three sensors in wireless
• Convert raw data on computer
• Display data on GUI
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of California Irvine41 41
Senior Design Project
Future Work
• Implement more types of sensors, such as air humidity and temperature sensors.
• Implement QFN to scale down the size of the chip
• Case all the components
• Field testing for the product under different weather.
• Power and performance testing