Results 81 to 90 of about 36,524 (244)
工程科学与技术ObjectiveIn robotic polishing operations, an end-effector polishing mechanism is typically used to achieve constant force control. Therefore, the performance of this control directly affects the quality and efficiency of the polishing process.
ZHANG Shuzhong +4 more
doaj
Deep Underground Science and Engineering, EarlyView.Inspired by spiders, the multilegged walk‐through assembling robot for arc parts achieves high‐precision synchronous control under heavy loads through dual‐layer hydraulic pose dynamics modeling and hierarchical pressure optimization, significantly enhancing shield tunneling assembly efficiency and precision.
Quan Xiao +5 more
wiley +1 more source
Caging Mechanism for a drag-free satellite position sensor [PDF]
, 1976 A disturbance compensation system for satellites based on the drag-free concept was mechanized and flown, using a spherical proof mass and a cam-guided caging mechanism.
Debra, D. B., Hacker, R., Mathiesen, J.
core +1 more source
Flexible Direct‐Conversion X‐Ray Detectors: From Emerging Materials to Conformal Imaging
ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.This comprehensive review analyzed the performance, challenges, and future directions of four emerging material systems for next‐generation flexible direct‐conversion X‐ray detectors: organic semiconductors, perovskites, metal–organic frameworks, and inorganic metal compounds.
Haipeng Di +11 more
wiley +1 more source
The dynamic control of robotic manipulators in space [PDF]
Described briefly is the work done during the first half year of a three-year study on dynamic control of robotic manipulators in space. The research focused on issues for advanced control of space manipulators including practical issues and new ...
Dubowsky, S.
core +1 more source
Payload Oscillations Minimization via Open Loop Control. [PDF]
, 2017 The results of tests of payload oscillations, forced by linear control function which allows to minimize payload sway after acceleration phase and after overhead crane stopping are presented in this paper.
Kosucki, Andrzej
core
Energy Science &Engineering, EarlyView.A numerical model of variable‐speed pumped storage unit (VSPSU) with full‐size converter (FSC) under fast speed control strategy is established. Additionally, the correctness of the model was validated by comparing with SIMSEN simulation results and text prototype data from NARI.
Weijia Yang +5 more
wiley +1 more source
Drag-free satellite control [PDF]
A drag-free satellite cancels the effect of external disturbances. Although the forces may be small, a satellite is disturbed by residual air drag, radiation pressure, micrometeorite impact, and other small forces that act on its surface disturbing its ...
Debra, Daniel B.
core +1 more source
Energy Science &Engineering, EarlyView.This review highlights how nano oils and eco‐friendly nano refrigerants enhance energy‐efficient refrigeration by improving thermal conductivity, lubrication, and system performance. The integration of rheological and tribological testing confirms reduced compressor work, better heat transfer, and higher COP using sustainable, low‐GWP refrigerants for ...
Mohammed Dilawar +7 more
wiley +1 more source
Energy Science &Engineering, EarlyView.This paper presents a hydrate pressure core processing device integrated with a high‐precision active control system to perform nondestructive transfer, cutting, and analysis. To address the limitations of slow dynamic response and high thermal inertia in traditional passive systems, a differentiated control scheme is implemented.
Liwen Nan +3 more
wiley +1 more source