Height adjusting system using parameter identification
A technology of height adjustment and parameter identification, which can be applied in applications, plant protection covers, botany equipment and methods, etc., and can solve problems such as large effects
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[0023] The implementation of the height adjustment system using parameter identification of the present invention will be described in detail below with reference to the accompanying drawings.
[0024] In the past two decades, the application and development of plastic film has been very rapid, and the effect of increasing production and income has been particularly significant. In 1979, small-scale experiments with vegetables as the mainstay began. In 1983, the area covered by plastic film of various crops soared to 629,000 hectares. During the 11 years from 1982 to 1992, the area covered by plastic film was 25.067 million hectares. In 1996, the area covered by plastic film exceeded 100 million mu, reaching 7 million hectares, of which the crops reaching or exceeding 380,000 hectares included 1.761 million hectares of corn, 1.816 million hectares of cotton, 605,000 hectares of rice seedlings, 589,000 hectares of peanuts, and 743,000 hectares of vegetables. 600,000 hectares o...
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