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Title: Soft Robotics

Abstract

This description of “soft robotics” is not intended to be a conventional review, in the sense of a comprehensive technical summary of a developing field. Rather, its objective is to describe soft robotics as a new field—one that offers opportunities to chemists and materials scientists who like to make “things” and to work with macroscopic objects that move and exert force. It will give one (personal) view of what soft actuators and robots are, and how this class of soft devices fits into the more highly developed field of conventional “hard” robotics. It will also suggest how and why soft robotics is more than simply a minor technical “tweak” on hard robotics and propose a unique role for chemistry, and materials science, in this field. Finally, soft robotics is, at its core, intellectually and technologically different from hard robotics, both because it has different objectives and uses and because it relies on the properties of materials to assume many of the roles played by sensors, actuators, and controllers in hard robotics.

Authors:
ORCiD logo [1]
  1. Harvard Univ., Cambridge, MA (United States). Dept. of Chemistry and Chemical Biology
Publication Date:
Research Org.:
Energy Frontier Research Centers (EFRC) (United States). Center for Bio-Inspired Energy Science (CBES)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22); Defense Advanced Research Projects Agency (DARPA)
OSTI Identifier:
1470623
Grant/Contract Number:  
SC0000989
Resource Type:
Accepted Manuscript
Journal Name:
Angewandte Chemie (International Edition)
Additional Journal Information:
Journal Name: Angewandte Chemie (International Edition); Journal Volume: 57; Journal Issue: 16; Related Information: CBES partners with Northwestern University (lead); Harvard University; New York University; Pennsylvania State University; University of Michigan; University of Pittsburgh; Journal ID: ISSN 1433-7851
Publisher:
Wiley
Country of Publication:
United States
Language:
English
Subject:
47 OTHER INSTRUMENTATION; catalysis (homogeneous); solar (photovoltaic); bio-inspired; charge transport; mesostructured materials; materials and chemistry by design; synthesis (novel materials); synthesis (self-assembly); actuation; materials chemistry; soft robotics

Citation Formats

Whitesides, George M. Soft Robotics. United States: N. p., 2018. Web. doi:10.1002/anie.201800907.
Whitesides, George M. Soft Robotics. United States. doi:10.1002/anie.201800907.
Whitesides, George M. Thu . "Soft Robotics". United States. doi:10.1002/anie.201800907. https://www.osti.gov/servlets/purl/1470623.
@article{osti_1470623,
title = {Soft Robotics},
author = {Whitesides, George M.},
abstractNote = {This description of “soft robotics” is not intended to be a conventional review, in the sense of a comprehensive technical summary of a developing field. Rather, its objective is to describe soft robotics as a new field—one that offers opportunities to chemists and materials scientists who like to make “things” and to work with macroscopic objects that move and exert force. It will give one (personal) view of what soft actuators and robots are, and how this class of soft devices fits into the more highly developed field of conventional “hard” robotics. It will also suggest how and why soft robotics is more than simply a minor technical “tweak” on hard robotics and propose a unique role for chemistry, and materials science, in this field. Finally, soft robotics is, at its core, intellectually and technologically different from hard robotics, both because it has different objectives and uses and because it relies on the properties of materials to assume many of the roles played by sensors, actuators, and controllers in hard robotics.},
doi = {10.1002/anie.201800907},
journal = {Angewandte Chemie (International Edition)},
number = 16,
volume = 57,
place = {United States},
year = {2018},
month = {3}
}

Journal Article:
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Cited by: 55 works
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Works referenced in this record:

Soft Robotics for Chemists
journal, January 2011

  • Ilievski, Filip; Mazzeo, Aaron D.; Shepherd, Robert F.
  • Angewandte Chemie International Edition, Vol. 50, Issue 8
  • DOI: 10.1002/anie.201006464

Fluid-driven origami-inspired artificial muscles
journal, November 2017

  • Li, Shuguang; Vogt, Daniel M.; Rus, Daniela
  • Proceedings of the National Academy of Sciences, Vol. 114, Issue 50
  • DOI: 10.1073/pnas.1713450114

Polymer artificial muscles
journal, April 2007


Soft robotic glove for combined assistance and at-home rehabilitation
journal, November 2015


Eutectic Gallium-Indium (EGaIn): A Liquid Metal Alloy for the Formation of Stable Structures in Microchannels at Room Temperature
journal, April 2008

  • Dickey, Michael D.; Chiechi, Ryan C.; Larsen, Ryan J.
  • Advanced Functional Materials, Vol. 18, Issue 7
  • DOI: 10.1002/adfm.200701216

Bipolar Electrochemical Mechanism for the Propulsion of Catalytic Nanomotors in Hydrogen Peroxide Solutions
journal, December 2006

  • Wang, Yang; Hernandez, Rose M.; Bartlett, David J.
  • Langmuir, Vol. 22, Issue 25
  • DOI: 10.1021/la0615950

A highly stretchable autonomous self-healing elastomer
journal, April 2016

  • Li, Cheng-Hui; Wang, Chao; Keplinger, Christoph
  • Nature Chemistry, Vol. 8, Issue 6
  • DOI: 10.1038/nchem.2492

Soft Actuators for Small-Scale Robotics
journal, December 2016

  • Hines, Lindsey; Petersen, Kirstin; Lum, Guo Zhan
  • Advanced Materials, Vol. 29, Issue 13
  • DOI: 10.1002/adma.201603483

3D structures of liquid-phase GaIn alloy embedded in PDMS with freeze casting
journal, January 2013

  • Fassler, Andrew; Majidi, Carmel
  • Lab on a Chip, Vol. 13, Issue 22
  • DOI: 10.1039/c3lc50833a

Futures of robotics. Human work in digital transformation
journal, January 2017

  • oja, Jari Kaivo; Roth, Steffen; Westerlund, Leo
  • International Journal of Technology Management, Vol. 73, Issue 4
  • DOI: 10.1504/IJTM.2017.083074

Solvent-free, supersoft and superelastic bottlebrush melts and networks
journal, November 2015

  • Daniel, William F. M.; Burdyńska, Joanna; Vatankhah-Varnoosfaderani, Mohammad
  • Nature Materials, Vol. 15, Issue 2
  • DOI: 10.1038/nmat4508

A multi-color fast-switching microfluidic droplet dye laser
journal, January 2009

  • Tang, Sindy K. Y.; Li, Zhenyu; Abate, Adam R.
  • Lab on a Chip, Vol. 9, Issue 19
  • DOI: 10.1039/b914066b

Pneumatic Energy Sources for Autonomous and Wearable Soft Robotics
journal, December 2014

  • Wehner, Michael; Tolley, Michael T.; Mengüç, Yiğit
  • Soft Robotics, Vol. 1, Issue 4
  • DOI: 10.1089/soro.2014.0018

Nanomesh on-skin electronics
journal, July 2017


Stretchable Conductive Composites Based on Metal Wools for Use as Electrical Vias in Soft Devices
journal, January 2015

  • Lessing, Joshua; Morin, Stephen A.; Keplinger, Christoph
  • Advanced Functional Materials, Vol. 25, Issue 9
  • DOI: 10.1002/adfm.201403396

Development of Giacometti Arm With Balloon Body
journal, April 2017

  • Takeichi, M.; Suzumori, K.; Endo, G.
  • IEEE Robotics and Automation Letters, Vol. 2, Issue 2
  • DOI: 10.1109/LRA.2017.2655111

Soft Robotics: A Perspective—Current Trends and Prospects for the Future
journal, March 2014


Using Explosions to Power a Soft Robot
journal, February 2013

  • Shepherd, Robert F.; Stokes, Adam A.; Freake, Jacob
  • Angewandte Chemie, Vol. 125, Issue 10
  • DOI: 10.1002/ange.201209540

An integrated network approach to systems of innovation—the case of robotics in Japan
journal, August 1999


A Hybrid Combining Hard and Soft Robots
journal, March 2014

  • Stokes, Adam A.; Shepherd, Robert F.; Morin, Stephen A.
  • Soft Robotics, Vol. 1, Issue 1
  • DOI: 10.1089/soro.2013.0002

Soft robot review
journal, January 2017

  • Lee, Chiwon; Kim, Myungjoon; Kim, Yoon Jae
  • International Journal of Control, Automation and Systems, Vol. 15, Issue 1
  • DOI: 10.1007/s12555-016-0462-3

Design and energetic characterization of a liquid-propellant-powered actuator for self-powered robots
journal, June 2003

  • Goldfarb, M.; Barth, E. J.; Gogola, M. A.
  • IEEE/ASME Transactions on Mechatronics, Vol. 8, Issue 2
  • DOI: 10.1109/TMECH.2003.812842

Capacitive extensometry for transient strain analysis of dielectric elastomer actuators
journal, May 2008

  • Keplinger, Christoph; Kaltenbrunner, Martin; Arnold, Nikita
  • Applied Physics Letters, Vol. 92, Issue 19
  • DOI: 10.1063/1.2929383

Soft-robotic arm inspired by the octopus: II. From artificial requirements to innovative technological solutions
journal, May 2012


Soft Robotics for Chemists
journal, January 2011

  • Ilievski, Filip; Mazzeo, Aaron D.; Shepherd, Robert F.
  • Angewandte Chemie, Vol. 123, Issue 8
  • DOI: 10.1002/ange.201006464

Theory of dielectric elastomers
journal, December 2010


Soft Machines That are Resistant to Puncture and That Self Seal
journal, October 2013

  • Shepherd, Robert F.; Stokes, Adam A.; Nunes, Rui M. D.
  • Advanced Materials, Vol. 25, Issue 46
  • DOI: 10.1002/adma.201303175

Universal robotic gripper based on the jamming of granular material
journal, October 2010

  • Brown, E.; Rodenberg, N.; Amend, J.
  • Proceedings of the National Academy of Sciences, Vol. 107, Issue 44, p. 18809-18814
  • DOI: 10.1073/pnas.1003250107

Peano-HASEL actuators: Muscle-mimetic, electrohydraulic transducers that linearly contract on activation
journal, January 2018

  • Kellaris, Nicholas; Gopaluni Venkata, Vidyacharan; Smith, Garrett M.
  • Science Robotics, Vol. 3, Issue 14
  • DOI: 10.1126/scirobotics.aar3276

Screening of Protein Crystallization Conditions on a Microfluidic Chip Using Nanoliter-Size Droplets
journal, September 2003

  • Zheng, Bo; Roach, L. Spencer; Ismagilov, Rustem F.
  • Journal of the American Chemical Society, Vol. 125, Issue 37
  • DOI: 10.1021/ja037166v

Positional servo-mechanism activated by artificial muscles
journal, January 1969

  • Gavrilović, M. M.; Marić, M. R.
  • Medical & Biological Engineering, Vol. 7, Issue 1
  • DOI: 10.1007/BF02474672

Design, fabrication and control of soft robots
journal, May 2015


Celebrating Soft Matter’s 10th Anniversary: Toward jamming by design
journal, January 2015


Multigait soft robot
journal, November 2011

  • Shepherd, R. F.; Ilievski, F.; Choi, W.
  • Proceedings of the National Academy of Sciences, Vol. 108, Issue 51
  • DOI: 10.1073/pnas.1116564108

Robotic Tentacles with Three-Dimensional Mobility Based on Flexible Elastomers
journal, September 2012

  • Martinez, Ramses V.; Branch, Jamie L.; Fish, Carina R.
  • Advanced Materials, Vol. 25, Issue 2
  • DOI: 10.1002/adma.201203002

Dynamic control of liquid-core/liquid-cladding optical waveguides
journal, August 2004

  • Wolfe, D. B.; Conroy, R. S.; Garstecki, P.
  • Proceedings of the National Academy of Sciences, Vol. 101, Issue 34
  • DOI: 10.1073/pnas.0404423101

A Literature Review on New Robotics: Automation from Love to War
journal, April 2015

  • Royakkers, Lambèr; van Est, Rinie
  • International Journal of Social Robotics, Vol. 7, Issue 5
  • DOI: 10.1007/s12369-015-0295-x

Surgical Robotics: A Review and Neurosurgical Prototype Development
journal, March 2004


Stretchable, Transparent, Ionic Conductors
journal, August 2013


Robots and humans – complements or substitutes?
journal, September 2016


Controlling and Simulating Soft Robotic Systems: Insights from a Thermodynamic Perspective
journal, December 2016


Cofabrication of Electromagnets and Microfluidic Systems in Poly(dimethylsiloxane)
journal, October 2006

  • Siegel, Adam C.; Shevkoplyas, Sergey S.; Weibel, Douglas B.
  • Angewandte Chemie, Vol. 118, Issue 41
  • DOI: 10.1002/ange.200602273

High-throughput microfluidic sample-introduction systems
journal, June 2008


Negative-Pressure Soft Linear Actuator with a Mechanical Advantage
journal, October 2016

  • Yang, Dian; Verma, Mohit S.; Lossner, Elton
  • Advanced Materials Technologies, Vol. 2, Issue 1
  • DOI: 10.1002/admt.201600164

Using Explosions to Power a Soft Robot
journal, February 2013

  • Shepherd, Robert F.; Stokes, Adam A.; Freake, Jacob
  • Angewandte Chemie International Edition, Vol. 52, Issue 10
  • DOI: 10.1002/anie.201209540

Terradynamically streamlined shapes in animals and robots enhance traversability through densely cluttered terrain
journal, June 2015


Inorganic semiconducting materials for flexible and stretchable electronics
journal, September 2017


Highly stretchable and tough hydrogels
journal, September 2012

  • Sun, Jeong-Yun; Zhao, Xuanhe; Illeperuma, Widusha R. K.
  • Nature, Vol. 489, Issue 7414
  • DOI: 10.1038/nature11409

Kirigami actuators
journal, January 2017

  • Dias, Marcelo A.; McCarron, Michael P.; Rayneau-Kirkhope, Daniel
  • Soft Matter, Vol. 13, Issue 48
  • DOI: 10.1039/C7SM01693J

Bionic jellyfish
journal, September 2012


An Additive Millimeter-Scale Fabrication Method for Soft Biocompatible Actuators and Sensors
journal, August 2017

  • Russo, Sheila; Ranzani, Tommaso; Walsh, Conor J.
  • Advanced Materials Technologies, Vol. 2, Issue 10
  • DOI: 10.1002/admt.201700135

Cofabrication of Electromagnets and Microfluidic Systems in Poly(dimethylsiloxane)
journal, October 2006

  • Siegel, Adam C.; Shevkoplyas, Sergey S.; Weibel, Douglas B.
  • Angewandte Chemie International Edition, Vol. 45, Issue 41
  • DOI: 10.1002/anie.200602273

Fatigue fracture of tough hydrogels
journal, September 2017


Elastomeric Origami: Programmable Paper-Elastomer Composites as Pneumatic Actuators
journal, February 2012

  • Martinez, Ramses V.; Fish, Carina R.; Chen, Xin
  • Advanced Functional Materials, Vol. 22, Issue 7
  • DOI: 10.1002/adfm.201102978

Skin-like pressure and strain sensors based on transparent elastic films of carbon nanotubes
journal, October 2011

  • Lipomi, Darren J.; Vosgueritchian, Michael; Tee, Benjamin C-K.
  • Nature Nanotechnology, Vol. 6, Issue 12, p. 788-792
  • DOI: 10.1038/nnano.2011.184

Pneumatic Networks for Soft Robotics that Actuate Rapidly
journal, January 2014

  • Mosadegh, Bobak; Polygerinos, Panagiotis; Keplinger, Christoph
  • Advanced Functional Materials, Vol. 24, Issue 15, p. 2163-2170
  • DOI: 10.1002/adfm.201303288

Epidermal Electronics
journal, August 2011


Conical Surfaces and Crescent Singularities in Crumpled Sheets
journal, March 1998


Wearable smart sensor systems integrated on soft contact lenses for wireless ocular diagnostics
journal, April 2017

  • Kim, Joohee; Kim, Minji; Lee, Mi-Sun
  • Nature Communications, Vol. 8, Issue 1
  • DOI: 10.1038/ncomms14997

Separation of Semiconducting Carbon Nanotubes for Flexible and Stretchable Electronics Using Polymer Removable Method
journal, February 2017


Components for integrated poly(dimethylsiloxane) microfluidic systems
journal, October 2002


Comparative Design, Scaling, and Control of Appendages for Inertial Reorientation
journal, December 2016

  • Libby, Thomas; Johnson, Aaron M.; Chang-Siu, Evan
  • IEEE Transactions on Robotics, Vol. 32, Issue 6
  • DOI: 10.1109/TRO.2016.2597316

Arthrobots
journal, September 2017

  • Nemiroski, Alex; Shevchenko, Yanina Y.; Stokes, Adam A.
  • Soft Robotics, Vol. 4, Issue 3
  • DOI: 10.1089/soro.2016.0043

Buckling Pneumatic Linear Actuators Inspired by Muscle
journal, June 2016

  • Yang, Dian; Verma, Mohit S.; So, Ju-Hee
  • Advanced Materials Technologies, Vol. 1, Issue 3
  • DOI: 10.1002/admt.201600055

3D Soft Metamaterials with Negative Poisson's Ratio
journal, July 2013

  • Babaee, Sahab; Shim, Jongmin; Weaver, James C.
  • Advanced Materials, Vol. 25, Issue 36
  • DOI: 10.1002/adma.201301986

Soft Mobile Robots with On-Board Chemical Pressure Generation
book, August 2016


Tactile sensing for dexterous in-hand manipulation in robotics—A review
journal, June 2011

  • Yousef, Hanna; Boukallel, Mehdi; Althoefer, Kaspar
  • Sensors and Actuators A: Physical, Vol. 167, Issue 2
  • DOI: 10.1016/j.sna.2011.02.038

Camouflage and Display for Soft Machines
journal, August 2012

  • Morin, S. A.; Shepherd, R. F.; Kwok, S. W.
  • Science, Vol. 337, Issue 6096, p. 828-832
  • DOI: 10.1126/science.1222149

Central pattern generators for locomotion control in animals and robots: A review
journal, May 2008


Hydraulically amplified self-healing electrostatic actuators with muscle-like performance
journal, January 2018


Soft lithographic methods for nano-fabrication
journal, January 1997

  • Zhao, Xiao-Mei; Xia, Younan; Whitesides, George M.
  • Journal of Materials Chemistry, Vol. 7, Issue 7
  • DOI: 10.1039/a700145b

Stretchable and Soft Electronics using Liquid Metals
journal, April 2017


An integrated design and fabrication strategy for entirely soft, autonomous robots
journal, August 2016

  • Wehner, Michael; Truby, Ryan L.; Fitzgerald, Daniel J.
  • Nature, Vol. 536, Issue 7617
  • DOI: 10.1038/nature19100

A transparent bending-insensitive pressure sensor
journal, January 2016

  • Lee, Sungwon; Reuveny, Amir; Reeder, Jonathan
  • Nature Nanotechnology, Vol. 11, Issue 5
  • DOI: 10.1038/nnano.2015.324

Direct observation of dynamic shear jamming in dense suspensions
journal, April 2016

  • Peters, Ivo R.; Majumdar, Sayantan; Jaeger, Heinrich M.
  • Nature, Vol. 532, Issue 7598
  • DOI: 10.1038/nature17167

Cofabrication: A Strategy for Building Multicomponent Microsystems
journal, April 2010

  • Siegel, Adam C.; Tang, Sindy K. Y.; Nijhuis, Christian A.
  • Accounts of Chemical Research, Vol. 43, Issue 4
  • DOI: 10.1021/ar900178k

Design, modeling and control of a pneumatically actuated manipulator inspired by biological continuum structures
journal, July 2013


Development of Useful Function in the Severely Paralyzed Hand
journal, January 1963


A 3D-printed, functionally graded soft robot powered by combustion
journal, July 2015


Microrobotic tentacles with spiral bending capability based on shape-engineered elastomeric microtubes
journal, June 2015

  • Paek, Jungwook; Cho, Inho; Kim, Jaeyoun
  • Scientific Reports, Vol. 5, Issue 1
  • DOI: 10.1038/srep10768

A Resilient, Untethered Soft Robot
journal, September 2014

  • Tolley, Michael T.; Shepherd, Robert F.; Mosadegh, Bobak
  • Soft Robotics, Vol. 1, Issue 3
  • DOI: 10.1089/soro.2014.0008

Stretchable Capacitive Sensors of Torsion, Strain, and Touch Using Double Helix Liquid Metal Fibers
journal, March 2017

  • Cooper, Christopher B.; Arutselvan, Kuralamudhan; Liu, Ying
  • Advanced Functional Materials, Vol. 27, Issue 20
  • DOI: 10.1002/adfm.201605630

Stretchable and ultraflexible organic electronics
journal, February 2017


Hybrid Hydrogels with Extremely High Stiffness and Toughness
journal, May 2014

  • Li, Jianyu; Illeperuma, Widusha R. K.; Suo, Zhigang
  • ACS Macro Letters, Vol. 3, Issue 6
  • DOI: 10.1021/mz5002355

A review of recent research on mechanics of multifunctional composite materials and structures
journal, November 2010


Monolithic Microfabricated Valves and Pumps by Multilayer Soft Lithography
journal, April 2000


Buckling of Elastomeric Beams Enables Actuation of Soft Machines
journal, September 2015


Soft robotics: a bioinspired evolution in robotics
journal, May 2013


    Works referencing / citing this record:

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    journal, June 2019

    • Appiah, Clement; Arndt, Christine; Siemsen, Katharina
    • Advanced Materials, Vol. 31, Issue 36
    • DOI: 10.1002/adma.201807747

    From Microbial Fuel Cells to Biobatteries: Moving toward On‐Demand Micropower Generation for Small‐Scale Single‐Use Applications
    journal, March 2019

    • Gao, Yang; Mohammadifar, Maedeh; Choi, Seokheun
    • Advanced Materials Technologies, Vol. 4, Issue 7
    • DOI: 10.1002/admt.201900079

    Indirect 3D and 4D Printing of Soft Robotic Microstructures
    journal, July 2019

    • de Marco, Carmela; Alcântara, Carlos C. J.; Kim, Sangwon
    • Advanced Materials Technologies, Vol. 4, Issue 9
    • DOI: 10.1002/admt.201900332

    A soft ring oscillator
    journal, June 2019