Информационная система
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Power Output (W) from a PV Array on a Cloudy Day vs
Power Output (W) from a PV Array on a Cloudy Day vs
System Overview
System Overview
Subsystem 1: Remote Sensor
Subsystem 1: Remote Sensor
Android Timing App Architecture:
Android Timing App Architecture:
Samsung Galaxy S3
Samsung Galaxy S3
AP003039 Wide Angle Camera Lens
AP003039 Wide Angle Camera Lens
AP003039 Wide Angle Camera Lens
AP003039 Wide Angle Camera Lens
Subsystem 2: Remote Power Sensor and Supply
Subsystem 2: Remote Power Sensor and Supply
Solar Panel (AB1-70)
Solar Panel (AB1-70)
Solar Panel (AB1-70)
Solar Panel (AB1-70)
Charge Controller (PT-12-24-5TC)
Charge Controller (PT-12-24-5TC)
Battery (PS-12350)
Battery (PS-12350)
Buck Converter:
Buck Converter:
LT1375 Simulation Results:
LT1375 Simulation Results:
LT1375 Buck Converter IC:
LT1375 Buck Converter IC:
LT1375 Buck Converter IC:
LT1375 Buck Converter IC:
Individual Component Tolerances:
Individual Component Tolerances:
Capacitor Tolerances:
Capacitor Tolerances:
Diode Tolerances:
Diode Tolerances:
Power Supply Parts List
Power Supply Parts List
Buck Converter Results
Buck Converter Results
Subsystem 3: On-grid PV Sensor
Subsystem 3: On-grid PV Sensor
AS8002 Power Measurement IC
AS8002 Power Measurement IC
AS8002 Pin Layout
AS8002 Pin Layout
Arduino Due
Arduino Due
Arduino WiFi Shield
Arduino WiFi Shield
Subsystem 4: On-grid PV Sensor
Subsystem 4: On-grid PV Sensor
Subsystem 5: Server
Subsystem 5: Server
Subsystem 5: Server Architecture
Subsystem 5: Server Architecture
TCP Socket Network
TCP Socket Network
Mosaic Imaging (Stitching) Test Example
Mosaic Imaging (Stitching) Test Example
Mosaic Imaging (Stitching) Test Example
Mosaic Imaging (Stitching) Test Example
Mosaic Imaging (Stitching) Test Example
Mosaic Imaging (Stitching) Test Example
Mosaic Imaging (Stitching) Test Results
Mosaic Imaging (Stitching) Test Results
Motion Vector Detection Test Results
Motion Vector Detection Test Results
Motion Vector Detection Test Results
Motion Vector Detection Test Results
Motion Vector Detection Test Results
Motion Vector Detection Test Results
Scale Invariant Feature Transform (SIFT) [1]
Scale Invariant Feature Transform (SIFT) [1]
SIFT Matching Example
SIFT Matching Example
SIFT Matching Example
SIFT Matching Example
Updated Division of Labor
Updated Division of Labor
Updated Schedule
Updated Schedule
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Team Cache Money: Solar Insolation Forecasting Critical Design Review

содержание презентации «Team Cache Money: Solar Insolation Forecasting Critical Design Review.pptx»
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1Team Cache Money: Solar Insolation 23(SPI). SDI (MOSI). Serial Data Input
Forecasting Critical Design Review. B. (SPI). SCLK. Serial Clock (SPI). SCSB
DiRenzo, L. Hager, A. Fruge, M. Dickerson, (SS). Serial Chip Select (SPI).
C. Duclos, N. Frank, T. Furlong. 24Arduino Due. - 32 bit ARM processor -
2Outline. Overview Subsystem 1: Remote Up to 96MHz clock - Open source C++ based
Sensor Subsystem 2: Remote Power Sensor wiring language - Programmable SPI bus w/
and Supply Subsystem 3: On-grid PV Sensor capability of communication to multiple
Subsystem 4: Server Current Status of devices.
Project Further Development Updated 25Arduino WiFi Shield. - Connects via
Division of Labor Updated Schedule. 802.11 g/b networks - WEP and WPA2
3Power Output (W) from a PV Array on a encryption - Easy connection to Arduino
Cloudy Day vs. a Clear Day. *PV data via SPI bus - Open source firmware. N.
provided by Professor Gasiewski in Frank.
Boulder, CO. 26Subsystem 4: On-grid PV Sensor.
4System Overview. 27Subsystem 5: Server. T. Furlong.
5Subsystem 1: Remote Sensor. 28Subsystem 5: Server Architecture.
6Android Timing App Architecture: B. 29TCP Socket Network. - Able to receive
DiRenzo. many images simultaneously - Receives
7Samsung Galaxy S3. - 3G HSDPA* 850 / through a static IP address - Uses time
900 / 1900 / 2100 and 4G LTE - taken as the image filename - Times the
Accelerometer, gyro, proximity, compass, saving of images - Debug mode to display
barometer sensors - A-GPS support and useful information.
GLONASS - Li-Ion 2100 mAh battery - 30Mosaic Imaging (Stitching) Test
Android OS 4.1.2 - Quad Core 1.4GHz Example. An example of base images used
Cortex-A9 processor - 8MP camera - Micro for testing the mosaic imaging algorithm:
USB port. *High Speed Packet Access. C. Duclos.
8AP003039 Wide Angle Camera Lens. - 31Mosaic Imaging (Stitching) Test
0.60X zoom factor - No perspective Results. * Average elapsed time: 5.4
distortion - Easy attachment - Field of seconds.
view created: Horizontal: 72o Vertical: 32Motion Vector Detection Test Results.
51o Diagonal: 82o - ~ 65% increase in 33Motion Vector Detection Test Results.
angle of view WRT standard lens. *Average elapsed time: 1.2 seconds.
9Subsystem 2: Remote Power Sensor and 34Scale Invariant Feature Transform
Supply. M. Dickerson. (SIFT) [1]. SIFT Keypoint: - Circular
10Solar Panel (AB1-70). - 34.10V and image region described by four parameters:
2.08A at maximum output - 70W maximum the keypoint center coordinates x and y,
output - 1200mm x 600mm - 90% power output its scale (the radius of the region), and
after 10 years - 80% power output after 25 its orientation (in radians).
years. 35Scale Invariant Feature Transform
11Charge Controller (PT-12-24-5TC). - (SIFT) [1]. SIFT Detector: - Detects
0-45V input, 50A max input - 10-30V output "blobs" by constructing a
depending on connections - 0-57A output, "Gaussian scale space”: a collection
depending on power from panel - Can of images obtained by gradually reducing
connect to a high voltage panel (34V) and the image resolution
a 12V battery - ~94% efficiency. ("smoothing"). - Keypoints are
12Battery (PS-12350). - 12V, 35AH AGM* refined by eliminating the unstable:
Sealed Lead-Acid - -4oF (-20oC) to 122oF nearby an image edge or are found on image
(50oC) operating temperature range - 0.35A structures with low contrast. - Invariant
draw from buck converter -> capable of to translation, rotations, and scaling of
maintaining phone power up to 100 hours. the image. SIFT Descriptor: -
*Absorbent Glass Mat: provides up to 5x Characterizes the keypoint with a 3-D
faster charging WRT flooded batteries. spatial histogram of the image gradients.
13Buck Converter: F. F. V. H. ? 2. F. ? The gradient at each pixel is the sample
? ? F. of a 3-D elementary feature vector, formed
14LT1375 Simulation Results: Simulated by the pixel location and the gradient
with 5? load to simulate phone. orientation. Samples are weighed by the
15LT1375 Buck Converter IC: - 500kHz, gradient norm and accumulated in a 3-D
buck switching regulator - Up to 1.5A histogram (descriptor). - Used for
output - 25V max input voltage - High matching of SIFT points. [1]
efficiency - ~350mA current draw. www.vlfeat.org.
16Individual Component Tolerances: - All 36SIFT Matching Example. Both mosaic
resistors rated at 1/4W. imaging and motion vector detection
17Capacitor Tolerances: - 100uF tantalum algorithms find potential matches of SIFT
capacitor rated at 10V - All other keypoints (left image). Then refine the
capacitors rated at 50V. matches by ranking them based on their
18Diode Tolerances: - 1N914 diode rated "scores" (Euclidean distance
at 100V - 1N5818 Schottky diode rated at between the two points) and finds the
30V. random sample consensus (RANSAC) throwing
19Power Supply Parts List. - All parts out the outliers (right image).
are available from many manufacturers - If 37Current Status of Project. Functioning
LT1375 is not used, basic component list remote power sensor: - Sending images to
will remain constant, with altered values server Functioning On-grid PV sensor: -
- All parts shown to the right, except for Communicating through SPI interface to
USB cable. arduino Server: - Stitching images
20Buck Converter Results. - Internal together and outputting motion vectors
phone circuitry allows phone to charge at Remote Power Supply: - Simultaneously
a voltage of 4.5-6V both safely and charges phone and battery. N. Frank.
effectively Due to USB 38Further Development. Remote Smartphone
"standard" of 5V + 10% (although Sensor: - Create power saving class -
most companies design USB outputs with 5V Timing system development - Environmental
+ 5% at most) - Graph to the right protection Remote Power Supply: -
measured using oscilloscope, which seemed Implement fully designed buck converter -
to introduce noise - Loaded voltage: 5.02V Time permitting develop charge controller.
+ 3% - When measured with multi- meter VR 39Further Development Continued. On-grid
? 0.37-0.38% - Loaded voltage: 4.97V. Sensor: - Simultaneous communication
21Subsystem 3: On-grid PV Sensor. L. between SPI bus and Wifi shield -
Hager. Fabrication of PCB Server: - Forecasting
22AS8002 Power Measurement IC. -12 Bit algorithm - Overlaying forecast maps on
100kSPS ADCs - Programmable gain Google maps - GUI.
amplifiers - On chip voltage reference - 40Preliminary Parts List. - Samsung
SPI compatible interface - Fast Galaxy S3 (3) - Wide angle camera lens (3)
over-current detection. - Arduino IOIO board (3) - Solar Panel
23AS8002 Pin Layout. Pin. Description. (AB1-70) (3) - LT1375 Buck Inverter (3) -
IOP_VOP. Positive current input. IOM_VOM. Arduino Wifi shield (3) - Arduino Due (3)
Negative current input. V1P. Positive - AS8002 (6).
voltage input. V1M. Negative voltage 41Updated Division of Labor.
input. REF. Positive input reference 42Updated Schedule.
voltage. SDO (MISO). Serial Data Output
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