نتایج جستجو برای: scale cable

تعداد نتایج: 588724  

2017
Erik Hultman Mats Leijon Steven Y. Liang

A method for robotized cable winding of the Uppsala University Wave Energy Converter generator stator has previously been presented and validated. The purpose of this study is to present and validate further developments to the method: automated stand-alone equipment for the preparation of the winding cables. The cable preparation consists of three parts: feeding the cable from a drum, forming ...

Journal: :Physical review. E 2017
Erick J López-Sánchez Juan M Romero

The cable equation describes the voltage in a straight cylindrical cable, and this model has been employed to model electrical potential in dendrites and axons. However, sometimes this equation might give incorrect predictions for some realistic geometries, in particular when the radius of the cable changes significantly. Cables with a nonconstant radius are important for some phenomena, for ex...

2003
A. M. Reinhorn M. Bruneau S. Y. Chu Xiaoyun Shao M. C. Pitman Shih-Yu Chu

Testing of large-scale specimens and models is currently possible in a few earthquake-engineering laboratories around the world. However, full-scale laboratory seismic testing of entire civil engineering structures (e.g., cable-stayed bridges, multi-story office buildings, industrial facilities, and pipeline distribution systems) is not likely in the near future due to the prohibitive costs ass...

2012
Weifeng Wang Guoqing Huang Xianwei Zeng

The nearly 21-year-old Jiujiang Bridge, which is suffering from uneven line shape, constant great downwarping of the main beam and cracking of the box girder, needs reinforcement and cable adjustment. It has undergone cable adjustment for twice with incomplete data. Therefore, the initial internal force state of the Jiujiang Bridge is identified as the key for the cable adjustment project. Base...

Journal: :Applied sciences 2021

Cable-driven parallel robots offer significant advantages in terms of workspace dimensions and payload capability. Their mechanical structure transmission system consist light extendable cables that can withstand high tensile loads. Cables are wound unwound by a set motorized winches, so the robot mainly depend on amount cable each drum store. For this reason, these manipulators attractive for ...

2013
Aleksandra Medvedeva

A power cable is widely used for power supply in power distributing networks and power transmission lines. Due to limitations in the production, delivery and setting up power cables, they are produced and delivered in several separate lengths. Cable itself, consists of two cable terminations and arbitrary number of cable joints, depending on the cable route length. Electrical stress control is ...

2010
Anthony A. Ruffa

OF THE DISCLOSURE A handling system with an improved fairlead is provided for protecting a tow cable wherein the cable breaking strength exceeds the system-rated tension load; the fairlead being positioned collinearly between the system bellmouth and winch. A guide slot passes through the fairlead positioning the cable higher than the winch release point and bellmouth entry point, maintaining t...

2014
Sheng LI Min ZHOU

The smart cable with embedded distributed fiber optical Bragg grating (FBG) sensors was chosen as the object to study a new diagnosis method about broken wires of bridge cable. The diagnosis strategy based on cable force and stress distribution state of steel wires was put forward. By establishing bridge cable and cable steel wires model, the broken wires sample database was simulated numerical...

2010
Q. J. Duan J. L. Du B. Y. Duan A. F. Tang Angelo Luongo

A steady-state dynamic model of a cable in air is put forward by using some tensor relations. For the dynamic motion of a long-span Cable-Driven Parallel Robot CDPR system, a driven cable deployment and retrieval mathematical model of CDPR is developed by employing lumped mass method. The effects of cable mass are taken into account. The boundary condition of cable and initial values of equatio...

2013
Hae-Bum Yun Se-Hoon Kim Liuliu Wu Jong-Jae Lee

This paper presents the bridge cable inspection robot developed in Korea. Two types of the cable inspection robots were developed for cable-suspension bridges and cable-stayed bridge. The design of the robot system and performance of the NDT techniques associated with the cable inspection robot are discussed. A review on recent advances in emerging robot-based inspection technologies for bridge...

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