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СпутникиРНSpaceXРоскосмосNASAIn response to the low success rate of shrimp back-opening, the high injury rate of shrimp, and incomplete exposure of shrimp veins caused by fixed-distance shrimp back-splitting devices, the present study develops an adaptive open-back technology. By measuring and fitting to analyze the distribution pattern of shrimp lines, real-time detection technology for outer contours and adaptive post-splitting control models for shrimp are studied. Hardware and visualization software is developed, and an adaptive post-splitting depth control system based on a turntable is integrated to achieve adaptive pre-splitting control for shrimp. The system consists of a shrimp external contour detection mechanism, a back-splitting actuator, and a control system, which can achieve adaptive back-splitting according to the distribution position of shrimp veins and count the number of back-splitting shrimp. The results showed that the success rate of exposing the first six segments of the shrimp vein reached 91.7% on the shrimp dorsal splitting device when the rotary speed was 20 r/min. During the test, the proposed shrimp adaptive back-opening device can solve the problems of shrimp body damage and incomplete exposure of shrimp veins during back-splitting caused by fixed-distance back-opening devices. The present study can lay a foundation for the research on the automated and mechanized device to open the back of the shrimp body.
In response to the low success rate of shrimp back-opening, the high injury rate of shrimp, and incomplete exposure of shrimp veins caused by fixed-distance shrimp back-splitting devices, the present study develops an adaptive open-back technology. By measuring and fitting to analyze the distribution pattern of shrimp lines, real-time detection technology for outer contours and adaptive post-splitting control models for shrimp are studied. Hardware and visualization software is developed, and an adaptive post-splitting depth control system based on a turntable is integrated to achieve adaptive pre-splitting control for shrimp. The system consists of a shrimp external contour detection mechanism, a back-splitting actuator, and a control system, which can achieve adaptive back-splitting according to the distribution position of shrimp veins and count the number of back-splitting shrimp. The results showed that the success rate of exposing the first six segments of the shrimp vein reached 91.7% on the shrimp dorsal splitting device when the rotary speed was 20 r/min. During the test, the proposed shrimp adaptive back-opening device can solve the problems of shrimp body damage and incomplete exposure of shrimp veins during back-splitting caused by fixed-distance back-opening devices. The present study can lay a foundation for the research on the automated and mechanized device to open the back of the shrimp body.
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China Academy of Agricultural Machinery Group Co., Ltd, Beijing, 100083, China
Li Lu, Wu Haihua, Niu Kang, Bai Shenghe & Wei Liang
Beijing Jinlunkuntian Special Machine Co. Ltd, Beijing, 100083, China
Li Lu
Authors
Correspondence to Wu Haihua.
School of Mechanical Engineering, Zhejiang University, Hangzhou, Zhejiang, China
Jianrong Tan
School of Mechanical Engineering, Zhejiang University, Hangzhou, Zhejiang, China
Zhenyu Liu
Mechanical Engineering, Zhejiang University, Hangzhou, Zhejiang, China
Weifei Hu
© 2027 The Chinese Mechanical Engineering Society
Lu, L., Haihua, W., Kang, N., Shenghe, B., Liang, W. (2027). Adaptive Open-Back Technology Based on the Distribution Characteristics of Shrimp Gut Position and Real-Time Detection of External Contour. In: Tan, J., Liu, Z., Hu, W. (eds) Advances in Mechanical Design. ICMD 2025. Mechanisms and Machine Science, vol 206. Springer, Singapore. https://doi.org/10.1007/978-981-95-7904-4_73
Download citationDOI: https://doi.org/10.1007/978-981-95-7904-4_73
Published: 25 June 2026
Publisher Name: Springer, Singapore
Print ISBN: 978-981-95-7903-7
Online ISBN: 978-981-95-7904-4
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