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Keywords: pneumatic actuators
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Journal Articles
Article Type: Research Papers
J. Dyn. Sys., Meas., Control. September 2012, 134(5): 051005.
Published Online: June 5, 2012
...Jihong Wang; Tim Gordon Although pneumatic actuators are widely used in industry, they have two major weaknesses—nonlinearities associated with compressibility of air and low energy efficiency. The former limits its applicability whenever accurate positioning is required, and the latter has...
Journal Articles
Article Type: Research Papers
J. Dyn. Sys., Meas., Control. March 2011, 133(2): 021006.
Published Online: February 22, 2011
... 2010 22 02 2011 22 02 2011 biomechanics mobile robots muscle pneumatic actuators propellants Pneumatic artificial muscle is a class of musclelike actuator that contracts under pressure, exerting a pulling force over the external load. The most well-known pneumatic muscle...
Journal Articles
Article Type: Research Papers
J. Dyn. Sys., Meas., Control. July 2010, 132(4): 041012.
Published Online: June 18, 2010
...Keith W. Wait; Michael Goldfarb The authors present a model-based analysis of a position-velocity-acceleration-controlled pneumatic actuator that indicates that supplementing the pneumatic actuator with mechanical damping can significantly increase the gain margin, tracking accuracy...
Journal Articles
Article Type: Research Papers
J. Dyn. Sys., Meas., Control. March 2010, 132(2): 021006.
Published Online: February 3, 2010
...Arcangelo Messina; Giosué Rollo, Ph.D. Within the frame of industrial automation, the mechanical power related to pneumatic actuator systems involves air flows along with mechanical component, such as valves, connecting tubes, cylinder chambers and possible linkages in order to finally actuate...
Journal Articles
Article Type: Research Papers
J. Dyn. Sys., Meas., Control. March 2009, 131(2): 021013.
Published Online: February 9, 2009
... Muscle Actuators ,” Finite Elem. Anal. Design 0168-874X , 41 , pp. 944 – 962 . Schröder , J. , Kawamura , K. , Gockel , T. , and Dillmann , R. , 2003 , “ Improved Control of a Humanoid Arm Driven by Pneumatic Actuators ,” Proceedings of Humanoids 2003 . Thanh , T. D. C...
Journal Articles
Article Type: Technical Briefs
J. Dyn. Sys., Meas., Control. March 2009, 131(2): 024501.
Published Online: February 4, 2009
... or supply pressures. For modeling and control intents, a correct characterization of the pneumatic actuator natural frequency is indispensable. The aim of the paper is to evaluate how heat exchange process affects the proper characteristics of pneumatic drivers and, in particular, their pneumatic stiffness...
Journal Articles
Article Type: Research Papers
J. Dyn. Sys., Meas., Control. July 2008, 130(4): 041004.
Published Online: June 4, 2008
...Yong Zhu; Eric J. Barth This paper presents an energetically derived control methodology to specify and regulate the oscillatory motion of a pneumatic hopping robot. An ideal lossless pneumatic actuation system with an inertia is shown to represent an oscillator with a stiffness, and hence...
Journal Articles
Article Type: Technical Briefs
J. Dyn. Sys., Meas., Control. March 2008, 130(2): 024501.
Published Online: February 29, 2008
...Yong Zhu; Eric J. Barth To carry out stable and dissipative contact tasks with an arbitrary environment, it is critical for a pneumatic actuator to be passive with respect to a supply rate consisting of the spool valve position input and the actuation force output. A pseudo-bond graph model...
Journal Articles
Article Type: Research Papers
J. Dyn. Sys., Meas., Control. January 2008, 130(1): 011007.
Published Online: December 18, 2007
...Karim Khayati; Pascal Bigras; Louis-A. Dessaint The purpose of this paper is to develop an accurate closed-loop acting force technique for a pneumatic actuator, as an essential stage in the implementation of positioning control strategy. Since an analytical nonlinear structure, which linearly...
Journal Articles
Article Type: Technical Papers
J. Dyn. Sys., Meas., Control. July 2007, 129(4): 425–434.
Published Online: January 5, 2007
...Xiangrong Shen; Michael Goldfarb This paper proposes a new approach to the design of a robot actuator with physically variable stiffness. The proposed approach leverages the dynamic characteristics inherent in a pneumatic actuator, which behaves in essence as a series elastic actuator. By replacing...
Journal Articles
Article Type: Technical Papers
J. Dyn. Sys., Meas., Control. July 2007, 129(4): 435–445.
Published Online: October 17, 2006
... , E. J. , Gogola , M. A. , and Goldfarb , M. , 2003 , “ Modeling and Control of a Monopropellant-Based Pneumatic Actuation System ,” IEEE International Conference on Robotics and Automation, Vol. 1 , pp. 628 – 633 . Morillon , J. G. , 2003 , “ Development of High Level...
Journal Articles
Article Type: Technical Papers
J. Dyn. Sys., Meas., Control. May 2007, 129(3): 303–310.
Published Online: October 4, 2006
...Xiangrong Shen; Michael Goldfarb This paper proposes a structure and control approach for the energy saving servo control of a pneumatic servo system. The energy saving approach is enabled by supplementing a standard four-way spool valve controlled pneumatic actuator with an additional two-way...
Journal Articles
Article Type: Technical Papers
J. Dyn. Sys., Meas., Control. September 2006, 128(3): 663–669.
Published Online: November 14, 2005
... to a pneumatic actuator controlled by a pair of three-way solenoid actuated valves. The pneumatic actuation system is transformed into its averaged equivalent control canonical form, and a sliding mode controller is developed based on the resulting model. The controller is implemented on an experimental system...
Journal Articles
Article Type: Article
J. Dyn. Sys., Meas., Control. December 2004, 126(4): 921–924.
Published Online: March 11, 2005
... observability in several regions of the state space, thus rendering the system unobservable. nonlinear dynamical systems nonlinear control systems observability pneumatic actuators servomechanisms variable structure systems control system analysis observers state-space methods Nonlinear...
Journal Articles
Article Type: Technical Briefs
J. Dyn. Sys., Meas., Control. September 2005, 127(3): 499–502.
Published Online: August 17, 2004
...Pascal Bigras The force and position of pneumatic actuators are difficult to control, since their nonlinear model includes unknown variables such as temperature and the discharge coefficient. This paper presents a specific sliding-mode observer to estimate these unknown time-variant quantities...
Journal Articles
Article Type: Technical Papers
J. Dyn. Sys., Meas., Control. June 2004, 126(2): 376–387.
Published Online: August 5, 2004
.... , 1990 , “ Accurate Position Control of a Pneumatic Actuator ,” ASME J. Dyn. Syst., Meas., Control , 112 , pp. 734 – 739 . Mc Donell , B. W. , and Bobrow , J. E. , 1993 , “ Adaptive Tracking Control of an Air Powered Robot Actuator ,” ASME J. Dyn. Syst., Meas., Control , 115 , pp. 427...