Page 37 - ASME AM3D/IDETC/CIE 2015 Program
P. 37
IDETC/CIE
KEYNOTE & PLENARY LECTURES
Engineer registered in British Columbia and a Fellow of CSME. (measured quantity) and friction (desired property) are quite different.
In the second example, two suspended bundles of carbon nanotubes
Dr. Dong’s current research interests include: modeling, testing and adhere to each other as they span over a trench. Observation and
design optimization of advanced hybrid electric vehicles, hybrid measurement of the shape allows important information about the
marine vessels, and fuel cell systems; metamodel based global work of adhesion to be determined via modeling. Again the shape
optimization of complex, multiphysics systems; real-time optimal (measured quantity) and the work of adhesion (desired quantity) are
control of plug-in hybrid electric vehicles/ships, smart grid, traffic very different.
systems; automated optimal 5-axis CNC tool path planning and
generation. These researches have been widely published in Biography: Dr. George G. Adams is the College of Engineering
scientific journals and conference proceedings, and as industrial Distinguished Professor in the Mechanical and Industrial Engineering
patents. Dr. Dong has been working closely with industry and served Department at Northeastern University where he has served on the
as director, consultant and collaborator of companies and govern- faculty for over thirty years. His areas of expertise are in contact
ment agencies. He also served as a member on the editorial boards mechanics, adhesion, and tribology; MicroElectroMechanical
of several international journals and organization committees of a Systems (MEMS), especially RF MEMS switches and micromirrors;
number of international conferences. Dr. Dong has been a member of and nano-mechanics (including material characterization, adhesion,
the Technical Committee (TC) on Mechatronic and Embedded and mechanical and electrical contacts). He has published over 100
Systems and Applications (MESA) and the Organization Committee refereed journal papers and has had numerous research grants and
of the MESA Conferences of ASME. contracts with government and industry. Dr. Adams is a Fellow of the
ASME and of STLE, and is College of Engineering Distinguished
Professor at Northeastern University.
MNS KEYNOTE
Tuesday, August 4 MR KEYNOTES
SESSION: MNS-10-1
9:30AM – 11:10AM Tuesday, August 4
SESSION: MR-13-1
Location: Room 307, Level 3
11:40AM – 12:40PM
Location: Room 210, Level 2
George G. Adams
Northeastern University
Sridhar Kota
University of Michigan
NOVEL APPROACHES TO CHARACTERIZING NA-
NOSCALE FRICTION AND WORK OF ADHESION OF
CNTS USING MEASUREMENTS FOLLOWED BY MOD- STRONG, COMPLIANT AND SOLID-STATE MECHANI-
ELLING CAL DEVICES – FOR MEMS, AIRCRAFT WINGS AND
SOFT ROBOTS
Abstract: Measurements of quantities such as friction and work of
adhesion at the nanoscale are inherently difficult due to the extremely Abstract: Traditionally, human-engineered mechanisms and mechani-
small dimensions. In this talk we present two examples of nanoscale cal devices employ a collection of rigid parts and joints that must be
measurements in which the measured quantities differ significantly assembled, aligned and lubricated in order to function. By exploiting
from the property which is to be determined. Modeling is used to the natural elasticity of materials, rather than avoiding it, and designing
calculate the desired quantity from what is measured. In some sense for strength, rather than stiffness, sophisticated motions can be
it can be said that this procedure is common to all measurements; realized with minimum mechanical complexity. This relatively new
however, here the difference between what is measured and what is paradigm in engineering design enables the creation of next-genera-
determined is not only much greater than usual but also requires tion products with solid-state (monoform) mechanisms that are strong,
sophisticated modeling techniques. compliant, precise, shape-adaptive, cost-effective, safe and reliable.
Two examples are provided. First a testing device is used to induce Designs in nature are suitably compliant (not rigid) and comparatively
and then measure the slack in a carbon nanotube bundle suspended strong with monoform bodies generating sophisticated motions.
over two cantilevers. Subsequently modeling is used to determine Soft-bodied animals, such as worms, and octopi, equipped with
the nanoscale friction from the measured slack. Note that the slack muscles, fibers and pressurized liquid filled cavities, demonstrate very
37
KEYNOTE & PLENARY LECTURES
Engineer registered in British Columbia and a Fellow of CSME. (measured quantity) and friction (desired property) are quite different.
In the second example, two suspended bundles of carbon nanotubes
Dr. Dong’s current research interests include: modeling, testing and adhere to each other as they span over a trench. Observation and
design optimization of advanced hybrid electric vehicles, hybrid measurement of the shape allows important information about the
marine vessels, and fuel cell systems; metamodel based global work of adhesion to be determined via modeling. Again the shape
optimization of complex, multiphysics systems; real-time optimal (measured quantity) and the work of adhesion (desired quantity) are
control of plug-in hybrid electric vehicles/ships, smart grid, traffic very different.
systems; automated optimal 5-axis CNC tool path planning and
generation. These researches have been widely published in Biography: Dr. George G. Adams is the College of Engineering
scientific journals and conference proceedings, and as industrial Distinguished Professor in the Mechanical and Industrial Engineering
patents. Dr. Dong has been working closely with industry and served Department at Northeastern University where he has served on the
as director, consultant and collaborator of companies and govern- faculty for over thirty years. His areas of expertise are in contact
ment agencies. He also served as a member on the editorial boards mechanics, adhesion, and tribology; MicroElectroMechanical
of several international journals and organization committees of a Systems (MEMS), especially RF MEMS switches and micromirrors;
number of international conferences. Dr. Dong has been a member of and nano-mechanics (including material characterization, adhesion,
the Technical Committee (TC) on Mechatronic and Embedded and mechanical and electrical contacts). He has published over 100
Systems and Applications (MESA) and the Organization Committee refereed journal papers and has had numerous research grants and
of the MESA Conferences of ASME. contracts with government and industry. Dr. Adams is a Fellow of the
ASME and of STLE, and is College of Engineering Distinguished
Professor at Northeastern University.
MNS KEYNOTE
Tuesday, August 4 MR KEYNOTES
SESSION: MNS-10-1
9:30AM – 11:10AM Tuesday, August 4
SESSION: MR-13-1
Location: Room 307, Level 3
11:40AM – 12:40PM
Location: Room 210, Level 2
George G. Adams
Northeastern University
Sridhar Kota
University of Michigan
NOVEL APPROACHES TO CHARACTERIZING NA-
NOSCALE FRICTION AND WORK OF ADHESION OF
CNTS USING MEASUREMENTS FOLLOWED BY MOD- STRONG, COMPLIANT AND SOLID-STATE MECHANI-
ELLING CAL DEVICES – FOR MEMS, AIRCRAFT WINGS AND
SOFT ROBOTS
Abstract: Measurements of quantities such as friction and work of
adhesion at the nanoscale are inherently difficult due to the extremely Abstract: Traditionally, human-engineered mechanisms and mechani-
small dimensions. In this talk we present two examples of nanoscale cal devices employ a collection of rigid parts and joints that must be
measurements in which the measured quantities differ significantly assembled, aligned and lubricated in order to function. By exploiting
from the property which is to be determined. Modeling is used to the natural elasticity of materials, rather than avoiding it, and designing
calculate the desired quantity from what is measured. In some sense for strength, rather than stiffness, sophisticated motions can be
it can be said that this procedure is common to all measurements; realized with minimum mechanical complexity. This relatively new
however, here the difference between what is measured and what is paradigm in engineering design enables the creation of next-genera-
determined is not only much greater than usual but also requires tion products with solid-state (monoform) mechanisms that are strong,
sophisticated modeling techniques. compliant, precise, shape-adaptive, cost-effective, safe and reliable.
Two examples are provided. First a testing device is used to induce Designs in nature are suitably compliant (not rigid) and comparatively
and then measure the slack in a carbon nanotube bundle suspended strong with monoform bodies generating sophisticated motions.
over two cantilevers. Subsequently modeling is used to determine Soft-bodied animals, such as worms, and octopi, equipped with
the nanoscale friction from the measured slack. Note that the slack muscles, fibers and pressurized liquid filled cavities, demonstrate very
37
