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Team Members: Arsid Ferizi; Cameron Foss; Noah Pell; Michael Rizzo; Advisor: Prof. Jackson Midterm Design Review Team Remote Environmental Sensing Tram.

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Presentation on theme: "Team Members: Arsid Ferizi; Cameron Foss; Noah Pell; Michael Rizzo; Advisor: Prof. Jackson Midterm Design Review Team Remote Environmental Sensing Tram."— Presentation transcript:

1 Team Members: Arsid Ferizi; Cameron Foss; Noah Pell; Michael Rizzo; Advisor: Prof. Jackson Midterm Design Review Team Remote Environmental Sensing Tram (REST) November 25 th, 2013

2 Monitoring Forest Health Global Climate Change Human-based control systems are limited Forest Health Monitoring Inadequate means of analyzing a forest’s response to a variant This graph, based on the comparison of atmospheric samples contained in ice cores and more recent direct measurements, provides evidence that atmospheric CO 2 has increased since the Industrial Revolution.

3 Proposed Solution: Aerial Tram Tram System Collecting Data in Harvard Forest Photo Courtesy of Professor Siqueira REST will traverse a 50m transect, provide continuous on site data acquisition, and trend monitoring via a website

4 Proposed Solution: High Level Overview Tram Autonomously collects data from sensors Transmits collected data to the base station Tower (Base Station) Communicates with tram, to give commands and receive environmental data Send and receive commands and data to the UI over Ethernet User Interface Access and display recorded and real time data Process user commands and transmit them to the base station

5 Solution: Block Diagram

6 User Interface Requirements: Allows user to change multiple settings on the aerial tram Allows user to send controls for aerial tram to execute in real time Deliver sensor data visuals to user Process and display image and video data for the user Implementation: Website Supports graphical representation of environmental data Scripted input to direct operation of tram Supports images and video This website is used by a company to display their data collected from remote sensors

7 User Interface Current Accomplishments: Python script polls the output file from data logger every 30 seconds, and updates if necessary Google Charts graphs and Google Spreadsheets tabulates the gathered data Motor moves and pictures are uploaded when commanded by the website CDR Primary Goals: More attractive and user friendly Improved data visuals Parameterized Improved integration of user commands Allow for user to input a testing schedule and state transitions Current graph of the received sensor data

8 TX/RX for UI-Base Station Communication Requirements: Send and receive data over the internet to the aerial tram Implementation: Landline to base station Category 5 Cable Tram System – The “Base Station” is the shack located behind the blue structure Photo Courtesy of Professor Siqueira MHZ-UTP-ETHERNET-NETWORK-281140500650.html

9 Tx/Rx for Base Station-Tram Communication Current Implementation: Data Logger connects to on-tram computer through EtherComm TX Port Micro Switch Ethernet from computer to base station Proposed Communication Options: Move Computer off Tram to Base Station and establish wireless communication Industrial Cat5 cable XBEE Series 1 Transmitter At Base Station DEV-11837 RaspberryPi Model A (with weather resistant case) XBEE ZB Pro Series 2 Transmitter on Tram XBEE ZB Pro Series 2 Transmitter on Base Station XBEE Series 1 Transmitter At Tram Arduino Uno - R3 DEV-11021

10 Wireless Requirements Requirements: Wireless Range of at least 50m Adequate data rate Reasonable power consumption Implementation: RaspberryPi Model A to Xbee ZB RF module Outdoor Range = 120m Data Rate = up to 1Mbps Power: 5V @ 300mA Arduino Uno-R3 to Xbee Series 1 RF module Outdoor/RF LOS Range = 100 m Data Rate = 250 kbps Power: 3.3 V @ 50mA XBEE ZB Pro Series 2 Transmitter on Tram XBEE ZB Pro Series 2 Transmitter on Base Station XBEE Series 1 Transmitter At Tram XBEE Series 1 Transmitter At Base Station Arduino Uno - R3 DEV-11021 DEV-11837 RaspberryPi Model A (with weather resistant case)

11 Wireless vs. Wired Trade-Offs Wired Connection Basic Cat5 subject to environmental deterioration Industrial cables recommended for outdoors Industrial Cable- ~$100 Wireless Solution: Less maintenance Lower data transfer rates ZigBee- ~$40 Conclusion: We prefer the wireless solution, however trade-offs indicate that either option will suffice. We will leave the option of wireless capabilities to the User.

12 Tx/Rx (Tram-Base Station-Website) Current Accomplishments: Wired transmission from tram to website Wireless solution determined option at users preference CDR Secondary Goal: Construct wireless modules solution Order industrial cat5 cables

13 Control System (Base Station) Requirements: Non-technical Process commands sent by the web application Perform data processing and storage at the base station Manage autonomous tram operation Implementation: Driven by the state machine Labview Control of the virtual instruments Python Programmable connection to the network Python and Labview LGX AU140 Extended Temperature Intel Atom Computer Platform

14 Control System (Base Station) Current Accomplishments: State execution dictated by schedule Data Logger collects data when commanded by Labview Motor moves by 1m or 10m increments when commanded by Labview CDR Primary Goals: Parameterized Scheduling and state transitions based on user input Power down state Check Time Initialize System Move Tram Take Measurements Move Back

15 Motor Controls (Base Station) AR66AKD-T10-3, AlphaStep Closed Loop Stepper Motor and Drive with Built-in Controller Requirements: Move the tram according to a user defined distance Implementation: Stepper Motor and Driver Low vibration 3 N m torque up to 150 rpm Current Accomplishments: Movement at a constant predefined speed CDR Primary Goals: Movement necessary to achieve user defined distance

16 Sensors and Controls (Tram) Requirements: Capable of sensing radiation, vibration and distance Capable of visually observing surroundings Lightweight, reliable, reasonable power consumption Implementation: Four Channel Net Radiometer Pyranometer – SW 285-3,000 nm Pyrgeometer – LW 4,500-40,000 nm Spectral Reflectance Sensor Normalized Difference Vegetation Index (NDVI) 531±3 and 570±3 nm wavelengths Photochemical Reflectance Index (PRI) 630±5 and 800±5 nm wavelengths Four Channel Net Radiometer Spectral Reflectance Sensor

17 Sensors and Controls (Tram) Implementation: Accelerometer Resolution – 3.9 mg/LSB (typical) Shock survival - 10,000 g (maximum) SPI or I 2 C digital interface Power consumption - 140 μA (typical) at 3.3 V Ultrasonic sensor Suitable for outdoor applications Distance - 50cm to 10m Accuracy - within +/-1% over the distance range Resolution - 10mm (max) Power consumption – 3.1mA at 5V HRXL-MaxSonar ® -WRLT™ ADXL335 - triple-axis accelerometer

18 Sensors and Controls (Tram) Implementation: Webcam HD video – 720p/1080p Photos – Up to 15 megapixels Infrared Thermometer Operating Range - -55 to 80C Sensitivity - 60 uV per C Logitech HD Webcam C920 Apogee Infrared Thermometer

19 Sensors and Controls (Tram) Requirements: Organize sensor data and commands into packets for communication between base station and tram. Implementation: CR1000 Data Logger Analog inputs 16 single-ended (8 differential) channels Digital I/O SDI-12, UART, RS232 4MB memory CR1000 Data Logger

20 Sensors and Controls (Tram) Current Accomplishments: Sensors(4 channel radiometer, NDVI, PRI, Infrared Thermometer, Webcam, Ultrasonic) collect data when labview sets a port on the data logger Camera takes a picture via python script, and uploads it to website Current Set backs: All of the data logger’s analog channels have been used/digital accelerometers unable to communicate with logger directly Ultrasonic sensor is not suitable for outdoor applications CDR Primary Goals: Parameterized Ultrasonic sensor better suited for the application Accelerometer communicating with Raspberry Pi board and python script

21 Power Management (Tram) Requirements: 12 Volt supply @ 350 mA Current Implementation: Wired connection Device of Interest Max Voltage(V)Max Current (A)Avg. Power (W)Power (W/h)Average Daily Operation Time(hrs) Ultrasonic Sensor 1250m.64.88 NDVI(x2)12383u9.552m76.716m8 PRI(x2)12398u9.192m73.536m8 Data Logger12100m1.29.68 Ethernet Switch12158m1.89615.168 Total Tram12258m3.09624.7688

22 Power Management (Tram) Wireless Charging and Management Solution: Inductive Charging 12VDC rechargeable Battery Current Accomplishments: Total Power calculations and Wireless Charging Block diagram CDR Goals: Full Charging circuit design

23 Power Management (Tram) Requirements: Switches to battery source if power line goes down Enters a low power state Implementation: RaspberryPi Power consumption: 5V @ 300mA Battery 12VDC 12Ah Provides at least 24 hrs of battery supply while land line is down. Would like to implement a wireless charging station via Inductive charging to maintain a charged battery.

24 Proposed MDR Deliverables Primary Goals: Demonstration of data collection from environmental sensors Demonstration of tram and base station communication Demonstration of website and tram basic interaction Tram is able to send and receive test data Website displays test data, and is able to send text data to tram

25 Proposed CDR Deliverables Primary Goals: Website – attractive UI with adequately functioning user input (commands, test schedule, state transitions) and visuals (graph, table, pictures) Base Controls - scheduling and state transitions based on user input, and a power down state Sensors and Motor Controls – integration of accelerometer and motor speed based on user input Power Management and Communication – integration of secondary power supply, and power controller Secondary Goals: Website and Base Controls – error handling Sensors and Motor Controls – sensor measurements based on user input and error handling Power Management and Communication – wireless communication between tram sensors/webcam and base station Tertiary Goals: Sensors and Motor Controls – positioning system Power Management and Communication – error handling

26 Costs and Weight ItemCost RaspberryPi Model A$29.95 Weather Case for RaspPi <$10 Battery x2$51.54 Accelerometer$24.95 UltraSonic Sensor$119.95 Totals$236.39 ItemTram Weight Tram and support frame35lbs Battery14.33lbs Total49.33

27 Team REST’s Schedule TaskTask Leader Week of December 16th Week of December 23 rd (Break Week) Week of January 2nd Week of January 6th Week of January 13th Week of January 20th Week of January 27th Week of February 3rd Week of February 10th Week of February 17th Primary Goals: Integration of accelerometer Mikex x Attractive and functional UI Arsidx xx x Power Management (Base Station/Tram) Cameronx x Scheduling and state transitions Noahx xx x x x Secondary Goals: Website and Base Controls – error handling Arsid/Noah x xx Sensors and Motor Controls- error handling/user commands Mike x x x Motor Controls – user commands Cameron x x Tertiary Goals: Positioning system Mike xx Power Management and Communication-error handling Cameron xxx

28 Questions….

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