BEGIN:VCALENDAR VERSION:2.0 PRODID:IEEE vTools.Events//EN CALSCALE:GREGORIAN BEGIN:VTIMEZONE TZID:America/Chicago BEGIN:DAYLIGHT DTSTART:20260308T030000 TZOFFSETFROM:-0600 TZOFFSETTO:-0500 RRULE:FREQ=YEARLY;BYDAY=2SU;BYMONTH=3 TZNAME:CDT END:DAYLIGHT BEGIN:STANDARD DTSTART:20261101T010000 TZOFFSETFROM:-0500 TZOFFSETTO:-0600 RRULE:FREQ=YEARLY;BYDAY=1SU;BYMONTH=11 TZNAME:CST END:STANDARD END:VTIMEZONE BEGIN:VEVENT DTSTAMP:20260924T205120Z UID:3D30CF61-09F4-4D54-B43D-97AE561F5737 DTSTART;TZID=America/Chicago:20260924T113000 DTEND;TZID=America/Chicago:20260924T130000 DESCRIPTION:Science Fair Project: Demeter:\n\nYizhen "Jimmy" Han\, will pre sent his award winning science fair project called Demeter. Demeter is a b io-mimetic fruit-harvesting system designed to address agricultural labor shortages while reducing fruit bruising. Its compliant\, tendon-driven ten tacles\, inspired by both octopus and human hand\, use logarithmically sca led segments with an offset hybrid backbone\, omnidirectional near the bas e and single-plane toward the tip\, with 30° mechanical stops to conform predictably to varied fruit shapes while promoting broader contact and mor e even pressure distribution. A custom OpenGL program is created that supp orts rapid parameter visualization before transferring the geometry to Ons hape for CAD development and fabrication. A two-servo-based tendon actuati on unit is designed to reliably control the extension and retraction of te ntacles while minimizing weight and unnecessary costs. The end effector is mounted on a 5-DoF LeRobot SO-ARM 101 with dual-camera sensing\; numerica l inverse kinematics\, ACT\, and SmolVLA imitation-learning methods are im plemented for autonomous fruit approaching\, detaching\, transferring\, an d collecting. Tests with fruit-specific artificial stems demonstrated dama ge-free\, successful harvests of apples\, oranges\, and strawberries\, whi le aiming accuracy\, grip strength\, and detachment motion are areas requi ring further improvement.\n\nBio:\n\nJimmy Han is a senior at TMI Episcopa l\, in the residential life program. He is the leader of the TMI robotics team\, vice president of the TMI AI club\, and president of the STEAM Comp etition club\; he participated in choir as bass and the JROTC air rifle te am\, and the JROTC JLAB team. He participated in the Alamo Regional Scienc e Fair and won 2nd place in the ARSEF Engineering senior division and the Xerox Award for Innovation & Information Tech. He also led the TMI robotic s team from semi-regional to regional\, winning the innovate award in both sophomore and junior years. His goal is to develop end-to-end systems exp ertise in robotics\, spanning mechanical design\, electronics\, controls\, and software\, and to integrate these disciplines into a cohesive robotic system\, and his interest in robotics is fully autonomous robots working in specific\, slightly undetermined environments ( agriculture and medical robots ) and humanoids\, targeting human-oriented design\, reliability\, and accessibility. Aside from the Demeter project\, he is also working on independent research in fluid dynamics\, investigating how soft-wall bound aries\, geometric shape of squirmer model\, potentially magnetic field\, a nd non-Newtonian fluid affect the motion of squirmer approaching wall\, as well as a personal project called printProof\, a finite element analysis engine for class size 3d printing focused on stress/fracture analysis.\n\n Agenda: \n11:30: Visitors may begin arriving (visitors must check in at th e front gate)\n\n12:00: Presentation begins\n\nTMI Episcopal School\, San Antonio\, Texas\, United States LOCATION:TMI Episcopal School\, San Antonio\, Texas\, United States ORGANIZER:kriskozak@ieee.org SEQUENCE:55 SUMMARY:Presentation of Senior Science Fair IEEE RAS Special Award Winning Project URL;VALUE=URI:https://events.vtools.ieee.org/m/575338 X-ALT-DESC:Description: <br /><p>Science Fair Project: Demeter:</p>\n<p>Yiz hen "Jimmy" Han\, will present his award winning science fair project call ed Demeter. Demeter is a bio-mimetic fruit-harvesting system designed to a ddress agricultural labor shortages while reducing fruit bruising. Its com pliant\, tendon-driven tentacles\, inspired by both octopus and human hand \, use logarithmically scaled segments with an offset hybrid backbone\, om nidirectional near the base and single-plane toward the tip\, with 30&deg\ ; mechanical stops to conform predictably to varied fruit shapes while pro moting broader contact and more even pressure distribution. A custom OpenG L program is created that supports rapid parameter visualization before tr ansferring the geometry to Onshape for CAD development and fabrication. A two-servo-based tendon actuation unit is designed to reliably control the extension and retraction of tentacles while minimizing weight and unnecess ary costs. The end effector is mounted on a 5-DoF LeRobot SO-ARM 101 with dual-camera sensing\; numerical inverse kinematics\, ACT\, and SmolVLA imi tation-learning methods are implemented for autonomous fruit approaching\, detaching\, transferring\, and collecting. Tests with fruit-specific arti ficial stems demonstrated damage-free\, successful harvests of apples\, or anges\, and strawberries\, while aiming accuracy\, grip strength\, and det achment motion are areas requiring further improvement.</p>\n<p>Bio:</p>\n <p>Jimmy Han is a senior at TMI Episcopal\, in the residential life progra m. He is the leader of the TMI robotics team\, vice president of the TMI A I club\, and president of the STEAM Competition club\; he participated in choir as bass and the JROTC air rifle team\, and the JROTC JLAB team. He p articipated in the Alamo Regional Science Fair and won 2nd place in the AR SEF Engineering senior division and the Xerox Award for Innovation &amp\; Information Tech. He also led the TMI robotics team from semi-regional to regional\, winning the innovate award in both sophomore and junior years. His goal is to develop end-to-end systems expertise in robotics\, spanning mechanical design\, electronics\, controls\, and software\, and to integr ate these disciplines into a cohesive robotic system\, and his interest in robotics is fully autonomous robots working in specific\, slightly undete rmined environments ( agriculture and medical robots ) and humanoids\, tar geting human-oriented design\, reliability\, and accessibility. Aside from the Demeter project\, he is also working on independent research in fluid dynamics\, investigating how soft-wall boundaries\, geometric shape of sq uirmer model\, potentially magnetic field\, and non-Newtonian fluid affect the motion of squirmer approaching wall\, as well as a personal project c alled printProof\, a finite element analysis engine for class size 3d prin ting focused on stress/fracture analysis.</p>\n<p><img src="https://events .vtools.ieee.org/vtools_ui/media/display/762b9e46-9c8d-48ff-b2e6-a04fd83ee 055" width="823" height="570"></p>\n<p>&nbsp\;</p>\n<p>&nbsp\;</p><br /><b r />Agenda: <br /><p>11:30: Visitors may begin arriving (visitors must che ck in at the front gate)</p>\n<p>12:00: Presentation begins</p> END:VEVENT END:VCALENDAR