Peanut sowing depth control method based on single air spring-electric cylinder coupling
By using a coupling control method between air springs and electric cylinders, the peanut planter has achieved consistent and stable sowing depth in complex terrain, solving the problem of unstable sowing depth in existing technologies and improving sowing efficiency and quality.
CN122397420APending Publication Date: 2026-07-17QINGDAO AGRI UNIV
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- QINGDAO AGRI UNIV
- Filing Date
- 2026-04-28
- Publication Date
- 2026-07-17
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Figure CN122397420A_ABST
Abstract
本发明涉及花生播种技术领域，特别是一种基于花生播种单体空气弹簧—电缸耦合的播深控制方法。包括以下步骤：对信号处理和转换为数字电信号；获得播深误差及其变化趋势；对当前的作业状态进行工况识别；计算空气弹簧—电缸协同分配系数，并依据该协同分配系数生成空气弹簧目标压力和电缸目标位移；对空气弹簧目标压力和电缸目标位移进行耦合动态修正；当漏播状态量或漏播率超过设定阈值时，对空气弹簧—电缸协同分配系数、第一次修正后的空气弹簧目标压力和第一次修正后的电缸目标位移进行二次联动修正。其能够及时修正播深控制参数，提高复杂地形条件下的仿形能力和播深一致性。
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