Results 91 to 100 of about 175,360,748 (298)
Analysis of Sealing Performance of Special Gas Seal Thread of Downhole Safety Valve
Shiyou jixie, 2022 Downhole safety valve, as a necessary safety device, is widely used in the development of high-sulfur gas fields and offshore oil and gas fields. The thread sealing performance is one of the important elements in the research and development of downhole ...
Wang Chuanhong +5 more
doaj
Compliant Pneumatic Feet with Real‐Time Stiffness Adaptation for Humanoid Locomotion
Advanced Robotics Research, EarlyView.A compliant pneumatic foot with real‐time variable stiffness enables humanoid robots to adapt to changing terrains. Using onboard vision and pressure control, the foot modulates stiffness within each gait cycle, reducing impact forces and improving balance. The design, cast in soft silicone with embedded air chambers and Kevlar wrapping, offers durable,
Irene Frizza +3 more
wiley +1 more source
Analysis of the jet pipe electro-hydraulic servo valve with finite element methods
MATEC Web of Conferences, 2018 The dynamic characteristics analysis about the jet pipe electro-hydraulic servo valve based on experience and mathematical derivation was difficult and not so precise.
Kaiyu Zhao +4 more
doaj +1 more source
Archives of Foundry Engineering, 2017 In order for the working status of the aluminum alloyed hydraulic valve body to be controlled in actual conditions, a new friction and wear design device was designed for the cast iron and aluminum alloyed valve bodies comparison under the same ...
Rong Li +4 more
doaj +1 more source
Durability of Soft Pneumatic Actuators: A Review and Benchmarking Protocol
Advanced Robotics Research, EarlyView.Lack of durability is a key challenge hindering the broad scale adoption of soft pneumatic actuators (SPAs) in automation industries. This review provides a comprehensive overview of existing research on SPA durability, introduces a standardized durability benchmarking protocol to consolidate the testing of SPAs, and outlines promising directions for ...
Dickson Chiu Yu Wong +2 more
wiley +1 more source
Fluid Loss Isolation Valve Design and Sealing Performance Study
Shiyou jixie, 2016 In the operation of multistage fracturing,well completion,production and workover,leakage is often encountered and leads to formation damage due to the failure of tool.To address the issue,the high-pressure fluid-loss isolation valve has been developed ...
Chen Shengshan +6 more
doaj
Modular, Textile‐Based Soft Robotic Grippers for Agricultural Produce Handling
Advanced Robotics Research, EarlyView.This article introduces textile‐based pneumatic grippers that transform simple textiles into robust bending actuators. Detailed experiments uncover how cut geometry and fabric selection shape performance. Successful handling of fragile agricultural items showcases the potential of textile robotics for safe, scalable automation in food processing and ...
Zeyu Hou +4 more
wiley +1 more source
Design and production of a hermetic bayonet isolation valve
, 1993 Fermilab is upgrading the Tevatron for lower temperature/higher beam energy operation. Portions of the satellite refrigeration system will operate below atmospheric pressure after the upgrade is complete.
Fuerst, J.
core +1 more source
Advanced Robotics Research, EarlyView.Autonomous field robots equipped with ISFET‐based sensors enable rapid, spatially resolved soil nutrient analysis directly in the field. An automated system based on the BoniRob platform is presented for standardized on‐site extraction and measurement of key macronutrients and soil pH.
Vadim Riedel +3 more
wiley +1 more source