Design of cooling system for inspection manipulator and analysis based on experiment

Chen, Tan; Zhang, Weijun; Yuan, Jianjun; Du, Liang; Zhou, Zeyu

doi:10.1108/ir-07-2015-0136

Cited by 5 publications

(3 citation statements)

References 12 publications

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“…To protect the vision system components from a high-temperature environment, Chen et al [11] designed a water-cooling system with rubber foam material as a component coating to reduce heat transfer. The study presented simulation results but was not deployed in the industry.…”

Section: Introductionmentioning

confidence: 99%

Development of a vision system for cast mould defect inspection under extreme high temperatures

Weili,

Liu

2024

International Conference on Optical and Photonic Engineering (icOPEN 2023)

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Internal surface condition of mould will affect the metalworking product quality after the casting process. Traditional visual inspection devices cannot keep working when the temperature is beyond 70°C. A vision inspection system protected by a cooling housing was introduced in this paper. The system was designed to provide quality images for defect inspection needs while enduring high temperatures. Illumination strategy consisting of lighting position and orientation was developed to cover 360° inner surface and accentuate defects in images. The housing protected vision system would be motorized into the mould to user-specified position and capture images with trigger mode. Developed algorithm would process images and output inspection results in the backend. Overall inspection of 2-meter mould could be completed within 100 seconds. The developed vision system is fast and low-cost, which can be easily implemented on site and provide defect inspection for cast mould with high temperature.

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Section: Introductionmentioning

confidence: 99%

Development of a vision system for cast mould defect inspection under extreme high temperatures

Weili,

Liu

2024

International Conference on Optical and Photonic Engineering (icOPEN 2023)

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“…For the EAST in-vessel inspection manipulator, some preparatory research has been carried out to study the robotic actuation technologies under in-vessel environment conditions. An active circulating cooling system was implemented around a single servo motor and partial small arm structure to achieve working ability in high temperature environment (100°C) (Yuan et al , 2015; Chen et al , 2016). A standalone robotic joint module was developed to explore the full in-vessel environment (100°Chigh temperature, 1 × 10 −5 Pa high vacuum, 2,000 Gy/h high radiation) adaptability (Du et al , 2017; Du et al , 2018).…”

Section: Introductionmentioning

confidence: 99%

Design and experimental tests of an active cooling system for a kind of in-vessel inspection manipulator

Zhang

Yuan

2020

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Purpose This paper aims to present the design and experimental tests of an active circulating cooling system for the Experimental Advanced Superconducting Tokamak in-vessel inspection manipulator, which will help the current manipulator prototype to achieve a full-scale in-vessel high temperature environment compatibility. Design/methodology/approach The high-temperature effects and heat transfer conditions of the manipulator under in-vessel environment were analyzed. An active circulating cooling system was designed and implemented on the manipulator prototype. A simulative in-vessel inspection task in a high temperature environment of 100°C was carried out to evaluate the performance of the active circulating cooling system. Findings The proposed active circulating cooling system was proved effective in helping the manipulator prototype to achieve its basic in-vessel inspection capability in a high temperature environment. The active circulating cooling system performance can be further improved considering the cooling structure coefficient differences in different manipulator parts. Originality/value For the first time, the active circulating cooling system was implemented and tested on a full-scale of the in-vessel inspection manipulator. The experimental data of the temperature distribution inside the manipulator and the operating status of the circulating system were helpful to evaluate the current active circulating cooling system design and provided effective guidance for improving the overall system performance.

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“…The previous work mainly focused on the manipulator in-vessel deployment process and large workspace coverage research; in contrast, little work has been done for the overall extreme environment compatibility. The FIVIS manipulator has some design features for high temperature endurance (Yuan et al , 2015; Chen et al , 2016); however, much improvement is required to adapt it for use in real tokamak environment operations.…”

Section: Introductionmentioning

confidence: 99%

Design and qualification tests of a robotic joint module for tokamak in-vessel manipulator use

Feng

Wang

et al. 2018

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Purpose This paper aims to present the design and a prototype experiment of a robotic joint module for tokamak in-vessel manipulator-related research; the results will promote the adaptation of current in-vessel inspection manipulator to achieve full tokamak in-vessel environment compatibility. Design/methodology/approach A flexible metallic bellow-enclosed working chamber is used to protect the main servo drive components, the active cooling method for high temperature protection and the servo control structure simplification for high radiation endurance. A joint module prototype is manufactured and tested under a similar in-vessel environmental condition for extreme condition protection validation and basic servo control ability evaluation. Findings The joint module prototype successfully survived the similar in-vessel environment tests and proved good mobility via closed-loop servo control. A conceptual design of a serial linkage manipulator with joint module structure is proposed for future in-vessel inspection manipulator development. Originality/value The proposed joint module uses common industrial servo components to achieve its full extreme in-vessel environment compatibility. Different from traditional metallic bellow application in a vacuum environment to produce a linear movement result, the proposed joint module aims to achieve rotating movement directly from the metallic bellow structure, thereby reducing the joint structure space requirement, simplifying the vacuum environment movement transmission structure and increasing the vacuum environment compatibility degree.

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Design of cooling system for inspection manipulator and analysis based on experiment

Cited by 5 publications

References 12 publications

Development of a vision system for cast mould defect inspection under extreme high temperatures

Development of a vision system for cast mould defect inspection under extreme high temperatures

Design and experimental tests of an active cooling system for a kind of in-vessel inspection manipulator

Design and qualification tests of a robotic joint module for tokamak in-vessel manipulator use

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