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Effect of Surface Adjustment and Hydrothermal Aging on the Mechanical Behavior and Microstructure of Zirconia With Different Yttria Contents. [PDF]

Int J Dent
Phuntusuntorn P, Pleumsamran N, Suttiat K.   +2 more
europepmc   +1 more source

Design and Experimental Validation of a Novel Parallel Compliant Ankle for Quadruped Robots. [PDF]

Biomimetics (Basel)
Hua Z, Cheng Y, Rong X.
europepmc   +1 more source

Hydraulic Seal Wear Classification by Fine-Tuning a Transformer-Based Audio Model Using Acoustic Emission. [PDF]

Sensors (Basel)
Svendsen LM, Shanbhag VV, Schlanbusch R.
europepmc   +1 more source

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A two-stage free-piston driver

Shock Waves, 1999
The overall cost of free-piston driven facilities can be substantially reduced if the contraction between the compression and shock tubes is replaced with a constant area section. However, with such an implementation, a new driver concept is required in order to achieve a realistic facility length. This paper describes a new free-piston driver type for
Doolan, C. J., Morgan, R. G.
openaire   +4 more sources

Hybrid simulation of a free piston engine

Proceedings of the April 26-28, 1966, Spring joint computer conference on XX - AFIPS '66 (Spring), 1966
The free piston engine principle is one which has intrigued mechanical engineers for decades. Indeed, the original gas engine of Otto and Langden employed a piston assembly which did not contain the now conventional connecting rod and camshaft arrangement and hence may be considered as an early implementation of the free piston principle.
R. E. Gagne, E. J. Wright
openaire   +1 more source

Free-Piston Stirling Cryocoolers

1985
A cryocooler is a device used to produce refrigeration at very low temperatures in the cryogenic range, 0 to 120 K.
Graham Walker, J. R. Senft
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Motion control of a hydraulic free-piston engine

2012 American Control Conference (ACC), 2012
Free-piston engine (FPE), as an alternative of the conventional internal combustion engine, has a high potential in terms of energy saving given its wide range of potential applications and high efficiency. One of the technical barriers that prevents the wide spread of this technology is the lack of precise piston motion control.
Ke Li, Ali Sadighi, Zongxuan Sun
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Hydraulic free piston engine — Challenge for control

1999 European Control Conference (ECC), 1999
A hydraulic free piston engine, HFPE, combines a diesel engine and a hydraulic pump into one compact component. In practical view there is only one linearly moving part in the HFPE, the piston assembly, which contains combustion and hydraulic pistons and piston rod.
Researcher Seppo Tikkanen, Matti Vilenius   +1 more
openaire   +2 more sources