Design and Test of an Intelligent Lifting Electric Marigold Picker

Design and Test of an Intelligent Lifting Electric Marigold Picker | Research Square window.SnipcartSettings = { analytics: { enabled: false } }; (function() { var accessVector = localStorage.getItem('access_vector') || ''; window.dataLayer = window.dataLayer || []; if (accessVector) { window.dataLayer.push({ user: { profile: { profileInfo: { snid: accessVector } } } }); } })(); (function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start':new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0],j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src='https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f);})(window,document,'script','dataLayer','GTM-K279D39R'); Browse Preprints In Review Journals COVID-19 Preprints AJE Video Bytes Research Tools Research Promotion AJE Professional Editing AJE Rubriq About Preprint Platform In Review Editorial Policies Our Team Advisory Board Help Center Sign In Submit a Preprint Cite Share Download PDF Article Design and Test of an Intelligent Lifting Electric Marigold Picker Yan Liu, Tong Li, Guanping Wang, Wei Sun, Sen Yang, Shunping Gao This is a preprint; it has not been peer reviewed by a journal. https://doi.org/ 10.21203/rs.3.rs-4941338/v1 This work is licensed under a CC BY 4.0 License Status: Posted Version 1 posted You are reading this latest preprint version Abstract To address current challenges in the mechanical harvesting of marigolds, such as low picking efficiency, high mispicking rates, insufficient power, poor passability, and low automation, this study designs a new marigold picker by combining the growth characteristics and planting mode of marigolds. The picker consists of a high passability frame, electric drive wheels, intelligent Lift picking system, LiDAR, flower storage bag and control system, while powered by a lithium battery. The control system uses LiDAR data to measure the average flower height 0.2 meters in front of the picking platform and issues picking instructions accordingly. The mechanical picking system employs sword-shaped comb teeth for continuous harvesting. This design optimizes the mechanical structure and control system to enhance the feed rate and reduce the mispicking of non-harvestable flower buds. A test prototype was built, and field tests showed that the picker operated smoothly with a marigold height measurement error within 1 cm. Optimal results were achieved with a comb spacing of 12 mm, comb length of 250 mm, and forward speed of 0.3 m/s, yielding a picking rate of 92.95% and a mispicking rate of 10%. The designed picker meets harvesting demands and represents a valuable step towards automation in Chinese herbal medicine harvesting. Physical sciences/Engineering/Mechanical engineering Physical sciences/Mathematics and computing/Scientific data marigold picker comb picking table intelligent lift picking system LiDAR Full Text Additional Declarations No competing interests reported. Cite Share Download PDF Status: Posted Version 1 posted You are reading this latest preprint version Research Square lets you share your work early, gain feedback from the community, and start making changes to your manuscript prior to peer review in a journal. As a division of Research Square Company, we’re committed to making research communication faster, fairer, and more useful. We do this by developing innovative software and high quality services for the global research community. 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Also discoverable on Platform About Our Team In Review Editorial Policies Advisory Board Help Center Resources Author Services Accessibility API Access RSS feed Manage Cookie Preferences © Research Square 2026 | ISSN 2693-5015 (online) Privacy Policy Terms of Service Do Not Sell My Personal Information {"props":{"pageProps":{"initialData":{"identity":"rs-4941338","acceptedTermsAndConditions":true,"allowDirectSubmit":true,"archivedVersions":[],"articleType":"Article","associatedPublications":[],"authors":[{"id":357299488,"identity":"3c717bd2-149d-46ed-999c-46cd5cf54214","order_by":0,"name":"Yan Liu","email":"","orcid":"","institution":"Gansu Agricultural University","correspondingAuthor":false,"prefix":"","firstName":"Yan","middleName":"","lastName":"Liu","suffix":""},{"id":357299489,"identity":"cd2ed9a6-7b67-48e4-8989-a10cce6f94df","order_by":1,"name":"Tong Li","email":"","orcid":"","institution":"Gansu Agricultural 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