illah nourbakhsh | ri seminar | september 2004 system design for human-robot collaboration illah...
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![Page 1: Illah Nourbakhsh | RI Seminar | September 2004 System Design for Human-Robot Collaboration Illah Nourbakhsh CMU/Robotics Institute | NASA/Ames Research](https://reader036.vdocuments.us/reader036/viewer/2022062421/56649d635503460f94a457bb/html5/thumbnails/1.jpg)
Illah Nourbakhsh | RI Seminar | September 2004
System Design for
Human-Robot Collaboration
Illah NourbakhshCMU/Robotics Institute | NASA/Ames Research Center
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Illah Nourbakhsh | RI Seminar | September 2004
Motivation
Rich, effective, satisfying interactions
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Illah Nourbakhsh | RI Seminar | September 2004
Research Focus
Human-Robot Interaction (HRI)
Human-Robot Collaboration for Learning (HRC)
HRC as a special case Shared goal amongst all agents Peer-to-peer relationships
Learning through exploration & discovery Leverage education-based evaluation models Facilitates rich, effective, satisfying interaction
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Illah Nourbakhsh | RI Seminar | September 2004
The ‘Wicked Problem’* in HRC
Problem Identification
Every solution exposes new aspects of the problem.
Satisficing
There is no clear stopping criterion nor right or wrong.
Uniqueness
Each problem is embedded in a distinct physical and social context making its solution totally novel.
*Horst Rittel
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Illah Nourbakhsh | RI Seminar | September 2004
Tools for HRC
1. The Science & Technology of Interactionmodeling, reasoning, execution
perception, actuation
2. Physical and Interaction Designmorphology, behavior
3. Evaluation: HCI, Human Factors, Educationformative & summative techniques
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Illah Nourbakhsh | RI Seminar | September 2004
Social Robots Project
ProblemRobots and humans share use of the spatio-temporally constrained elevator.
ApproachPerception and decision-making in view of uncertainty about human intentions utilizing a semi-Markov offline policy search.
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Illah Nourbakhsh | RI Seminar | September 2004
HRC: Urban Search & Rescue
ChallengeEnable n humans and m robots to quickly discover, locate and reach victims in an urban disaster situation.
Approach Agent-based software
architecture Variable robot autonomy Cognitive distribution
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Illah Nourbakhsh | RI Seminar | September 2004
HRC: Urban Search & Rescue Simulator
Match simulation fidelity to evaluation Now distributed as NIST standard simulation
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Illah Nourbakhsh | RI Seminar | September 2004
Complete Design Cycle Approach
Cycle of Innovation
Robot morphology
Control and behavior
Social perception
Cognitive models
Interaction design
Evaluation
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Illah Nourbakhsh | RI Seminar | September 2004
Four Applications of HRC for Learning
Insect telepresence
Chips museum educator
Robotic autonomy course
Personal Exploration Rover
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Illah Nourbakhsh | RI Seminar | September 2004
Insect Telepresence Robot
ProblemIncrease visitors’ engagement with and appreciation of insects in a museum terrarium at CMNH.
ApproachProvide a scalar telepresence experience with insect-safe visual browsing Apply HCI techniques to design and evaluate the input device and systemMeasure engagement indirectly by ‘time on task’Partner with HCII, CMNH
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Illah Nourbakhsh | RI Seminar | September 2004
Insect Telepresence Robot
Innovations Asymmetric exhibit layout Mechanical transparency Clutched gantry lever arm FOV-relative 3 DOF joystick
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Illah Nourbakhsh | RI Seminar | September 2004
Insect Telepresence Robot
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Illah Nourbakhsh | RI Seminar | September 2004
Insect Telepresence Robot
Evaluation Results: Average group size: 3 Average age of users: 19.5 years Three age modes: 8 years, 10 years, and 35 years Average time on task of all users: 60 seconds Average time on task of a single user: 27 seconds Average time on task for user groups: 93 seconds
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Illah Nourbakhsh | RI Seminar | September 2004
A Human-Scale Museum Edubot
ProblemIncrease visitors’ engagement and learning at secondary exhibits inDinosaur Hall.
ApproachLead visitors to secondary exhibits and new factsDesign a robot to share the human social spaceEstablish long-term iterative testing over years, not daysTime on task, observation and learning evaluations Partner with Magic Lantern, Maya, CMNH
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Illah Nourbakhsh | RI Seminar | September 2004
Museum Edubot: Technical Contributions
Required Robot Competencies:
Safety, navigation, longevity
Approaches Property-based control programming Visual landmark-based SUF (Latombe) Visual self-docking h/w and s/w restart diagnostics Fault detection & communication
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Illah Nourbakhsh | RI Seminar | September 2004
Museum Edubot: Technical Contributions
Required Robot Competencies:
Safety, navigation, longevity
Outcome Zero human injuries 4 years deployment, over 500 km traversed MTBF converging beyond 1 week Uptime: 98% Active diagnosis approaching 100%
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Illah Nourbakhsh | RI Seminar | September 2004
Museum Edubot: Iterative Design Cycle
Design Refinements
Physical Design Morphological Transparency: designing informative
form
Interaction Design Behavioral Transparency: affective interaction model Shortened length of media segments Two-way interaction, goal-based learning
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Illah Nourbakhsh | RI Seminar | September 2004
Museum Edubot - Chips
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Illah Nourbakhsh | RI Seminar | September 2004
Museum Edubot: Evaluation Results
Increased engagement time: 74% visitors 5 – 15 min.
Peak ages engaged: 5-12, 25-34
20% overrepresentation of females
22% overrepresentation of minorities
Directed test scores: 46% to 75%
correct
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Illah Nourbakhsh | RI Seminar | September 2004
HRC Insights
Reliable public deployments are possible Iterative design cycle is essential Diagnostic, interaction transparency Two-way interaction is preferable
Human learning in human-robot collaborations can be quantified.
Rich robotic interaction can trigger human behavioral change.
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Illah Nourbakhsh | RI Seminar | September 2004
Taming the ‘Wicked Problem’
If we model changes in human learning…Offline, principled interaction design
Online reasoning about interaction
How do we collect data to model humans?A controlled long-term interaction venue…
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Illah Nourbakhsh | RI Seminar | September 2004
HRC in a Formal Learning Venue
ProblemCreate a robot and learning environmentfor robotics education.
ApproachUse a highly diverse high-school student populationGround-up platform and curriculum designEmpower students with s/w and h/w; Internalize goalsShort-circuit robot competency delay with educationGive away the entire software and hardware environmentExpert-led formal educational analysis, model development
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Illah Nourbakhsh | RI Seminar | September 2004
Trikebot Platform Contributions
Bicycle complexity goal Mechanical transparency Hybrid design concept Camera gaze design CMUcam vision system Tricycle configuration
Torsional stress limited Back-EMF speed control Minimize servo torque
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Illah Nourbakhsh | RI Seminar | September 2004
Trikebot Platform Contributions
Bicycle complexity goal Mechanical transparency Hybrid design concept Camera gaze design CMUcam vision system Tricycle configuration
Torsional stress limited Back-EMF speed control Minimize servo torque
![Page 26: Illah Nourbakhsh | RI Seminar | September 2004 System Design for Human-Robot Collaboration Illah Nourbakhsh CMU/Robotics Institute | NASA/Ames Research](https://reader036.vdocuments.us/reader036/viewer/2022062421/56649d635503460f94a457bb/html5/thumbnails/26.jpg)
Illah Nourbakhsh | RI Seminar | September 2004
Trikebot Platform Contributions
Bicycle complexity goal Mechanical transparency Hybrid design concept Camera gaze design CMUcam vision system Tricycle configuration
Torsional stress limited Back-EMF speed control Minimize servo torque
![Page 27: Illah Nourbakhsh | RI Seminar | September 2004 System Design for Human-Robot Collaboration Illah Nourbakhsh CMU/Robotics Institute | NASA/Ames Research](https://reader036.vdocuments.us/reader036/viewer/2022062421/56649d635503460f94a457bb/html5/thumbnails/27.jpg)
Illah Nourbakhsh | RI Seminar | September 2004
Trikebot: Snagglepuss
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Illah Nourbakhsh | RI Seminar | September 2004
Trikebot: Footage
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Illah Nourbakhsh | RI Seminar | September 2004
Trikebot: Educational Evaluation
Evaluation Instruments Developed with Prof. Kevin Crowley, Learning Research & Development Center, University of Pittsburgh
Initial and Final Individual Surveys Weekly Individual Surveys Online Documentation of Code Weekly Interviews and Footage by Onsite Ethnographer One Week Formal Ethnography (mid-program) Follow-up Web-based Monthly Surveys
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Illah Nourbakhsh | RI Seminar | September 2004
What Students Expected to Learn and What They Reported Learning
Expected To Learn
0.0%
10.0%
20.0%
30.0%
40.0%
50.0%
60.0%
Team work Program m ing ProblemSolving
Mechanics ID W/ Tech robot POV
Pe
rce
nt
of
Stu
de
nts
Expected To Learn
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Illah Nourbakhsh | RI Seminar | September 2004
0.0%
10.0%
20.0%
30.0%
40.0%
50.0%
60.0%
70.0%
80.0%
Teamwork Programming ProblemSolving
Mechanics ID W/ Tech robot POV
Pe
rce
nt
of
Stu
de
nts
Expected To Learn Reported Learning at the End of the Class
What Students Expected to Learn and What They Reported Learning
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Illah Nourbakhsh | RI Seminar | September 2004
Trikebot: Self-Reported Learning
Quotes from students“Document what one does so someone else can repeat the
experiment [and] be just or even more successful.”“I learned that doing something slow is better than doing it twice.”“Teamwork is hard especially with varying levels of skill and
different personalities…can be rewarding only through compromise.”
“Start with the basics, then make things fancier if you want…simple is absolutely fine if it works well.”
“Make active decisions. Have the attitude that if I don’t do it, no one will and remember that if you choose something, you are also choosing not to do other things because you have limited time, energy, etc. Choose what to do with your talents wisely and don’t waste them!”
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Illah Nourbakhsh | RI Seminar | September 2004
Trikebot: Evaluation Findings
Gender Retention
No significant differences in what girls reported learning in the class as compared to boys.
Girls entered reporting less confidence with technology than boys but reported greater increases in confidence than boys by the end of the class.
Girls reported struggling more with programming than boys.
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Illah Nourbakhsh | RI Seminar | September 2004
Next Steps
Robot-human collaboration methodologyHardware design for interaction
Software for cost-effective, rapid, reliable prototyping
Evaluation & learning model from Education
Informal human-robot collaboration for learningApply methodology to unmediated interaction in informal learning venues (e.g. museums)
Demonstration robustness for repeated, large-scale interactions
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Illah Nourbakhsh | RI Seminar | September 2004
MER Landings, January 2004
Inspire the next generation of explorers…
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Illah Nourbakhsh | RI Seminar | September 2004
Personal Exploration Rover (PER)
Problem
Connect visitors to the MER mission with
an exhibit that demonstrates:
1 Rovers are tools for conducting science
2 Autonomy is essential for collaboration
Approach
Ground-up design of high-reliability museum exhibit
Surmount technology limitations with Intel partnership
Allow for full design and evaluation cycle
Collect data on visitor and docent collaborations with robot
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Illah Nourbakhsh | RI Seminar | September 2004
PER: Challenges
Rover DesignSystem safety & reliabilityPanorama acquisitionSimulated MER mechanismsScience target recognitionPower efficiency
Interaction DesignUn/mediated usabilityLimit time on task; throughputIntegrated mission-interface-rover designExploit mechanical error to demonstrate autonomyCompensate for robot/human limitation with human/robot guidanceTranslation of panoramic, orthographic, physical yard imagery
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Illah Nourbakhsh | RI Seminar | September 2004
PER: Technical Solutions
Transparency (rocker, gaze direction)
Omnidirectional chassis design
Our own production wheel hub
Electromechanical sourcing - Taiwan
Power efficiency – full day runtime
Panorama acquisition
Obstacle and target range-mapping
Two processor control architecture
Production QA processes
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Illah Nourbakhsh | RI Seminar | September 2004
PER: Design Solution
<PER Demonstration>
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Illah Nourbakhsh | RI Seminar | September 2004
PER: Initial Installations
Smithsonian National Air & Space Museum
San Francisco Exploratorium
Smithsonian Udvar-Hazy Center
National Science Center
NASA/Ames Mars Center
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Illah Nourbakhsh | RI Seminar | September 2004
National Air & Space Museum
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Illah Nourbakhsh | RI Seminar | September 2004
National Air & Space Museum
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Illah Nourbakhsh | RI Seminar | September 2004
San Francisco Exploratorium
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Illah Nourbakhsh | RI Seminar | September 2004
San Francisco Exploratorium
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Illah Nourbakhsh | RI Seminar | September 2004
San Francisco Exploratorium
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Illah Nourbakhsh | RI Seminar | September 2004
PER Performance Results
Month 1: 670 rover-hrs; 13 rover-miles; 12,000 approaches
Full-day power endurance in all locations
As of 20 April 2004: 50,000+ approaches complete
Cerebellum, Stargate, camera, ranger perfect record
Failures: exclusively replaceable servos
Museum ownership and repair
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Illah Nourbakhsh | RI Seminar | September 2004
PER: Exhibit Use Statistics
- Bimodal child/parent age distribution
Average child’s age: 6.75 ; adult: 35.4
- Girls will actuate the interface significantly
Child driver penetration: 61% boys; 71% girls
Adult: 26% male; 14% female
- All visitors complete a full cycle of interaction
Mission command proportion: 98%
Mission failure retry proportion: 98.1%
Mission length: 2.87 minutes unimodal (sigma 1.05)
- Interface countdown is effectively triggering turn-taking
Number of missions: 1.6 (sigma 0.94)
- Primary use pattern is team-based collaboration
Mean group size: 3.06 (1.22)
Gestural and verbal communication frequent
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Illah Nourbakhsh | RI Seminar | September 2004
PER: Comparing Learning across Museums
45 families analyzed
Process: socio-cognitive activity during exhibit use
Outcome: individual visitor understanding after use
Themes Exploratorium NASM
About the Mars Mission*
55% 93%
Comparisons between MER and PER*
24% 79%
Communicating with Robots
45% 72%
Collaborating with Robots
86% 93%
Themes Exploratorium NASM
Rover Design*
34% 93%
Rover Activities*
45% 100%
Rover Autonomy*
52% 93%
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Illah Nourbakhsh | RI Seminar | September 2004
The Success of Educational Robotics
Educational robotics has measurable value in
promoting learning, formal and informal venues
1. On-line reasoning for human-robot collaboration
using human learning models
2. Preparing educational robotics for broad
dissemination
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Illah Nourbakhsh | RI Seminar | September 2004
Whence the Wicked Problem?
Problem Identification
The learning goal helps define the problem
Satisficing
Education-based evaluation and modeling
Uniqueness
Transparency and Hybrid design
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Illah Nourbakhsh | RI Seminar | September 2004
NASA Reprogramming
The Exploration Initiative
2014 Crew Exploration Vehicle
2020 Sustained Lunar Presence
2030+ Human-Robot Mars Exploration
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Illah Nourbakhsh | RI Seminar | September 2004
NASA Reprogramming
Joint Human-Robot Collaboration for…
Assembly, Inspection, Repair
Prospecting and Surveying
Lunar regolith-based construction
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Illah Nourbakhsh | RI Seminar | September 2004
The Moon
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Illah Nourbakhsh | RI Seminar | September 2004
Intelligent Robotics Group
Human-Robot Collaboration for Exploration – Funded!1. Cognitive modeling and reasoning for HRC2. Human-robot interaction interface3. Robotic autonomy4. Visualization5. Extensive field trialing6. Parallel applications
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Illah Nourbakhsh | RI Seminar | September 2004
Thank you
Major Funding: NSF, NIST, NASA, Intel, HeinzPartners: Acroname, Gogoco, LotterShelly, Katajamaki,
Redzone/Mobot/Axonn, Carnegie Museums, National Hispanic Univ., UPCLOSE (U. Pitt.)
Students: Emily Hamner, Brian Dunlavey, Rachel Gockley, Debbie Bernstein, Kristen Stubbs, Eric Porter, Peter Zhang, Zeus Castro, Anthony Rowe, Chuck Rosenberg, Allison Bruce, Mary Berna, Ajinkya Bhave, Clay Kunz, Thomas Willeke, Stacy All, Ben Shamah, Alvaro Soto, Andres Perez-Bergquist, John D’Ignazio, Sebastian Grange
Faculty: Ben Brown, Bonnie John, Red Whittaker, Raj Reddy, Reid Simmons, Katia Sycara, Mike Lewis, Dave Wettergreen, Kevin Crowley, Ellen Ayoob
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Illah Nourbakhsh | RI Seminar | September 2004
Personal Exploration Rover
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Illah Nourbakhsh | RI Seminar | September 2004
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Illah Nourbakhsh | RI Seminar | September 2004
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Illah Nourbakhsh | RI Seminar | September 2004