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Compliant actuator designs

Ham, Ronald, Sugar, Thomas, Vanderborght, Bram, Hollander, Kevin, Lefeber, Dirk·2009·IEEE Robotics & Automation Magazine

Abstract

In the growing fields of wearable robotics, rehabilitation robotics, prosthetics, and walking k robots, variable stiffness actuators (VSAs) or adjustable compliant actuators are being designed and implemented because of their ability to minimize large forces due to shocks, to safely interact with the user, and their ability to store and release energy in passive elastic elements. This review article describes the state of the art in the design of actuators with adaptable passive compliance. This new type of actuator is not preferred for classical position-controlled applications such as pick and place operations but is preferred in novel robots where safe human- robot interaction is required or in applications where energy efficiency must be increased by adapting the actuator's resonance frequency. The working principles of the different existing designs are explained and compared. The designs are divided into four groups: equilibrium-controlled stiffness, antagonistic-controlled stiffness, structure-controlled stiffness (SCS), and mechanically controlled stiffness.

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Metadata

Authors
Ham, R., Sugar, T., Vanderborght, B., Hollander, K., & Lefeber, D.
Venue
IEEE Robotics & Automation Magazine
Published
2009-09
Volume
16
Issue
3
Pages
81-94
ISSN
1070-9932 (ISSN-L)
OpenAlex
W2169100281
Cited by
834
References
26
FWCI
19.60
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Compliant actuator designs. https://app.cochat.ai/papers/10.1109/mra.2009.933629
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Ham, R., Sugar, T., Vanderborght, B., Hollander, K., & Lefeber, D. (2009). Compliant actuator designs. IEEE Robotics & Automation Magazine. https://doi.org/10.1109/mra.2009.933629

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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