Zobrazeno 1 - 10
of 63
pro vyhledávání: '"Baoren Li"'
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-19 (2023)
Abstract A good surface texture design can effectively improve the tribological performance of the helical pair within a helical hydraulic rotary actuator(HHRA). However, the optimization design process can be time-consuming due to the multiple desig
Externí odkaz:
https://doaj.org/article/af5d4a28688246338db42161cdc7e57b
Publikováno v:
Actuators, Vol 12, Iss 10, p 385 (2023)
This paper aims to optimize the two-stage helical pairs (TSHPs) in a helical hydraulic rotary actuator (HHRA) in terms of volume, transmission efficiency, and maximum contact stress. Volume and transmission efficiency can be determined through analyt
Externí odkaz:
https://doaj.org/article/20d0d3c068a24b10a82387177a80b7df
Publikováno v:
Actuators, Vol 12, Iss 10, p 373 (2023)
Underwater manipulation is one of the most significant functions of the deep-sea crawling and swimming robot (DCSR), which relies on the high-accuracy control of the body posture. As the actuator of body posture control, the position control performa
Externí odkaz:
https://doaj.org/article/195a0ccabd3148a18ca0c27e8acd7bcc
Publikováno v:
Scientific Reports, Vol 12, Iss 1, Pp 1-11 (2022)
Abstract The mass-flow-rate characteristics of high-pressure pneumatic servo valves (HPSVs) have an important effect on the dynamic performance of high-pressure servo systems. However, these characteristics are difficult to obtain by theoretical calc
Externí odkaz:
https://doaj.org/article/07ced1afaeb749d68341b6788adb0f96
Publikováno v:
IEEE Access, Vol 9, Pp 134037-134051 (2021)
In this paper, an observer-based adaptive fuzzy robust controller is proposed for trajectory tracking control of a bionic mechanical leg (BML) with unmeasured system states, dynamic uncertainties and external disturbances. A high gain observer (HGO)
Externí odkaz:
https://doaj.org/article/a99ae61058d941e0babda910aca6eeaf
Publikováno v:
Journal of Marine Science and Engineering, Vol 11, Iss 1, p 202 (2023)
Underwater gliders are a class of ocean observation equipment driven by buoyancy, and their energy consumption source is mainly generated by the active regulation of buoyancy. The periodic elastic deformation of the pressure hull during the upward an
Externí odkaz:
https://doaj.org/article/200e9c8cd45d4288b3325ed38e3c661b
Publikováno v:
IEEE Access, Vol 8, Pp 129799-129812 (2020)
Using high-speed on-off valves (HSVs) with small size, low cost, and high switching accuracy instead of expensive proportional/servo valves, and researching high-performance vacuum servo system can further enhance the competitiveness of vacuum servo
Externí odkaz:
https://doaj.org/article/f9a132685de1402aa730672fde923661
Publikováno v:
Entropy, Vol 24, Iss 4, p 451 (2022)
This paper uses heat transfer experiments and computational fluid dynamics (CFD) simulations to investigate the conjugate heat transfer (CHT) in a high-pressure pneumatic control valve assembly. A heat transfer test rig was constructed, and time–te
Externí odkaz:
https://doaj.org/article/e8d550fb93dd4e1f88772bae467e77c9
Publikováno v:
Applied Sciences, Vol 11, Iss 21, p 10130 (2021)
High dynamic performance of a deep-sea electric oil-filled joint actuator is an important premise to guarantee the working performance of an electric underwater manipulator. However, the unfavorable factors (i.e., extremely high water pressure, near
Externí odkaz:
https://doaj.org/article/ad27b172777d4150a53f5ea451532b05
Autor:
Yuliang Yin, Baoren Li
Publikováno v:
Journal of Applied Mathematics, Vol 2014 (2014)
The Behrens-Fisher problem concerns the inferences for the difference between the means of two normal populations without making any assumption about the variances. Although the problem has been extensively studied in the literature, researchers cann
Externí odkaz:
https://doaj.org/article/bbc039fdee6a4f859164f0f59dbb740d