Moving Vehicle Characterization With Ultra Wideband (UWB ...
Transcript of Moving Vehicle Characterization With Ultra Wideband (UWB ...
![Page 1: Moving Vehicle Characterization With Ultra Wideband (UWB ...](https://reader031.fdocuments.in/reader031/viewer/2022012420/6175413f767b6b5cf1369fb3/html5/thumbnails/1.jpg)
Moving Vehicle Characterization With Ultra Wideband (UWB) Radar
CASIS 2004Peter HaugenUCRL-PRES-208064
Acknowledgements:Co-author:Richard LeachLLNL MIR groupGreg DallumSteve FreemanCarlos RomeroPat WelshSpecial Thanks:Union Pacific Railroad
![Page 2: Moving Vehicle Characterization With Ultra Wideband (UWB ...](https://reader031.fdocuments.in/reader031/viewer/2022012420/6175413f767b6b5cf1369fb3/html5/thumbnails/2.jpg)
Application Scenarios
Potential sponsors at DOD (Army, Navy) and DHS have interest in automated detection, characterization, and assessment of vehicle traffic. (trains, trucks, tanks, autos, etc.)
![Page 3: Moving Vehicle Characterization With Ultra Wideband (UWB ...](https://reader031.fdocuments.in/reader031/viewer/2022012420/6175413f767b6b5cf1369fb3/html5/thumbnails/3.jpg)
Agend
a
1. Project Goals and Restrictions2. Sensor Selection and Descriptions3. Sensor Testing and Performance4. Data Collection5. Data Analysis
Topic Areas:
![Page 4: Moving Vehicle Characterization With Ultra Wideband (UWB ...](https://reader031.fdocuments.in/reader031/viewer/2022012420/6175413f767b6b5cf1369fb3/html5/thumbnails/4.jpg)
Project Goa
ls
Sensor Readings
Signal Processing
Presence of a target (train or automobile)
Direction of target travelSpeed of target
Location of target (lane/track of travel)
Target car count (train)
Vehicle/train car identification
![Page 5: Moving Vehicle Characterization With Ultra Wideband (UWB ...](https://reader031.fdocuments.in/reader031/viewer/2022012420/6175413f767b6b5cf1369fb3/html5/thumbnails/5.jpg)
Project Restrictions
• Low power, battery operated• Rapid set-up• Remote data processing and/or exfiltration• Operate in a variety of weather conditions and
times of day• Standoff from road/tracks• Low cost, disposable
![Page 6: Moving Vehicle Characterization With Ultra Wideband (UWB ...](https://reader031.fdocuments.in/reader031/viewer/2022012420/6175413f767b6b5cf1369fb3/html5/thumbnails/6.jpg)
Agend
a
1. Project Goals and Restrictions2. Sensor Selection and Descriptions3. Sensor Testing and Performance4. Data Collection5. Data Analysis
Topic Areas:
![Page 7: Moving Vehicle Characterization With Ultra Wideband (UWB ...](https://reader031.fdocuments.in/reader031/viewer/2022012420/6175413f767b6b5cf1369fb3/html5/thumbnails/7.jpg)
UWB is the optim
al choice
Medium
Low
High
Low
Cost
MediumClearReasonable, insufficient
DifficultOptical beam
LongAllReasonableDifficult, no standoff
Magnetometer/ Geophone
ShortClear, Day
DifficultDifficultCamera
LongAllReasonableEasyUWB Radar
LifetimeWeatherData Complexity
Opera-tion
Red - UnacceptableYellow- Meets all requirements
Sensor Options and Comparison
![Page 8: Moving Vehicle Characterization With Ultra Wideband (UWB ...](https://reader031.fdocuments.in/reader031/viewer/2022012420/6175413f767b6b5cf1369fb3/html5/thumbnails/8.jpg)
Data C
ollection, Fixed-Range
• Fixed-range sensors look for motion at a specific distance from the sensor
• Two are combined to measure target speed and direction
Fixed Range Radars Location
Fixed-Range Radars
![Page 9: Moving Vehicle Characterization With Ultra Wideband (UWB ...](https://reader031.fdocuments.in/reader031/viewer/2022012420/6175413f767b6b5cf1369fb3/html5/thumbnails/9.jpg)
Fixed-Range A
nalysis
Fixed-Range radar time series provides: Velocity
• Low power target detection
• Velocity measurements
• Potential car count
• Some discrimination information
Time
![Page 10: Moving Vehicle Characterization With Ultra Wideband (UWB ...](https://reader031.fdocuments.in/reader031/viewer/2022012420/6175413f767b6b5cf1369fb3/html5/thumbnails/10.jpg)
Da
ta C
ollection, Swept-Ra
nge
• Swept-range radar act like a type of range finder, giving radar reflectivity as a function of distance
• Profiles the side of the targetSwept-Range Radar
![Page 11: Moving Vehicle Characterization With Ultra Wideband (UWB ...](https://reader031.fdocuments.in/reader031/viewer/2022012420/6175413f767b6b5cf1369fb3/html5/thumbnails/11.jpg)
Swept-Range A
nalysis
Swept-range radar estimates:
• Detection
• Car count
• Discrimination
• Location
• Speed *
• Direction *
* using 2 radar
Time
![Page 12: Moving Vehicle Characterization With Ultra Wideband (UWB ...](https://reader031.fdocuments.in/reader031/viewer/2022012420/6175413f767b6b5cf1369fb3/html5/thumbnails/12.jpg)
Agend
a
1. Project Goals and Restrictions2. Sensor Selection and Descriptions3. Sensor Testing and Performance4. Data Collection5. Data Analysis
Topic Areas:
![Page 13: Moving Vehicle Characterization With Ultra Wideband (UWB ...](https://reader031.fdocuments.in/reader031/viewer/2022012420/6175413f767b6b5cf1369fb3/html5/thumbnails/13.jpg)
UWB Sensor Testing
48cm 30cm 15cm 8cm
150cm100cm
150cm
Diagram of experimental setupDiagram of experimental setup
LINEAR SLIDE
TARGETS 4x4cmUnistrut material (3)CONCRETE SLAB FLOOR
RADAR UNIT
![Page 14: Moving Vehicle Characterization With Ultra Wideband (UWB ...](https://reader031.fdocuments.in/reader031/viewer/2022012420/6175413f767b6b5cf1369fb3/html5/thumbnails/14.jpg)
UWB Sensor Testing
UWB Radar performance evaluation and verification test
Radar tested by scanning a series of metal targets while the heights and distance between the targets is increased
![Page 15: Moving Vehicle Characterization With Ultra Wideband (UWB ...](https://reader031.fdocuments.in/reader031/viewer/2022012420/6175413f767b6b5cf1369fb3/html5/thumbnails/15.jpg)
Swept Range Results
Analysis of the swept-range sensor data
100
50
0
100
50
0
100
50
0
100
50
00 0.5 1.0 1.5
distance (m)
3 lengths of 4cm square stock centered at 8cm spacing (red)
3 lengths of 4cm square stock centered at 15cm spacing (red)
3 lengths of 4cm square stock centered at 30cm spacing (red)
3 lengths of 4cm square stock centered at 48cm spacing (red)
corresponding radar images
600
400
200
0
-200
-400
-6000 0.5 1.0 1.5
distance (m)
Inte
nsity
![Page 16: Moving Vehicle Characterization With Ultra Wideband (UWB ...](https://reader031.fdocuments.in/reader031/viewer/2022012420/6175413f767b6b5cf1369fb3/html5/thumbnails/16.jpg)
Agend
a
1. Project Goals and Restrictions2. Sensor Selection and Descriptions3. Sensor Testing and Performance4. Data Collection5. Data Analysis
Topic Areas:
![Page 17: Moving Vehicle Characterization With Ultra Wideband (UWB ...](https://reader031.fdocuments.in/reader031/viewer/2022012420/6175413f767b6b5cf1369fb3/html5/thumbnails/17.jpg)
Deploym
ent Setup
Cameras and Speed Radars were used in data collection to validate the sensor measurements and provide ground-truth for the signal processing
![Page 18: Moving Vehicle Characterization With Ultra Wideband (UWB ...](https://reader031.fdocuments.in/reader031/viewer/2022012420/6175413f767b6b5cf1369fb3/html5/thumbnails/18.jpg)
Deploym
ent Data Results
UWB Radar ReturnsSignal Processing
Desired Statistics
Time, radar frames, train carsStart of train
End of train
Distance from
Rad
ar 63 Rail Cars
![Page 19: Moving Vehicle Characterization With Ultra Wideband (UWB ...](https://reader031.fdocuments.in/reader031/viewer/2022012420/6175413f767b6b5cf1369fb3/html5/thumbnails/19.jpg)
Agend
a
1. Project Goals and Restrictions2. Sensor Selection and Descriptions3. Sensor Testing and Performance4. Data Collection5. Data Analysis
Topic Areas:
![Page 20: Moving Vehicle Characterization With Ultra Wideband (UWB ...](https://reader031.fdocuments.in/reader031/viewer/2022012420/6175413f767b6b5cf1369fb3/html5/thumbnails/20.jpg)
Data A
nalysis
UWB Radar Returns
Signal Processing
Presence of a target (train or automobile)
Direction of target travelSpeed of target
Location of target (lane/track of travel)
Target car count (train)
Vehicle/train car identification
![Page 21: Moving Vehicle Characterization With Ultra Wideband (UWB ...](https://reader031.fdocuments.in/reader031/viewer/2022012420/6175413f767b6b5cf1369fb3/html5/thumbnails/21.jpg)
Data A
nalysis
Further data analysis details available. Refer to the LLNL Micro-Power Impulse Radar group for additional information.
![Page 22: Moving Vehicle Characterization With Ultra Wideband (UWB ...](https://reader031.fdocuments.in/reader031/viewer/2022012420/6175413f767b6b5cf1369fb3/html5/thumbnails/22.jpg)
Summ
ary
Our research has shown that a low power, UWB radar-based hardware/software combination can be used to autonomously detect, characterize, and identify target trains and potentially other types of vehicles.
=
Questions?