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Realization of an integrated seeding and compensating potato planter based on one-way clutch

International Journal of Agricultural and Biological Engineering 2020年第3期13卷 79-87页

作者： Guanping Wang Wei Sun Lea-Der Chen Hua Zhang Xiaolong Liu Hongling Li Xiaoping Yang Hao Yang Mechanical and Electrical Engineering College Gansu Agricultural UniversityLanzhou 730070GansuChina College of Science and Engineering Texas A&M University-Corpus ChristiCorpus ChristiTexas 78412USA

The yield reduction caused by miss-seeding in potato mechanized sowing is *** existing research always needs to install a spare compensator on the original seed-metering ***,problems of complex planter structure and compensated potato seed poor landing accuracy need to be solved ***,a scheme of integrated seeding and compensating potato planter based on one-way clutch is proposed in this *** on a basic‘improved one raw potato planter’and the working principle of one-way clutch,power of seed-metering system is provided through main power transmission one-way clutch by land wheels when the system works ***,when miss-seeding detection system with infrared radiation deciding that a miss-seeding incident has happened,the seed-metering power will be replaced by a compensatory motor through compensating one-way clutch at a higher ***,the idea of catching-up compensation can be *** compensation is completed,the system controller disconnects the compensatory motor,and the seed-metering power will naturally switch to the land wheels again.A prototype based on this idea was *** tests showed that the accuracy of seed monitoring system is more than 99.9%;the adoption of catching-up compensation scheme does not bring about empty spoon rate rise *** the range of 0.2-0.8 m/s of the seed-metering chain speed,although the average success compensation rate decreases evidently with the increase of the chain speed,the success compensation rate is still near 70%even at 0.8 m/s,the vast majority of missed seeds can be compensated effectively.

关键词： potato planter infrared radiation miss-seeding detection one-way clutch catching-up compensation

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