| 玉米精量排种器电驱PID控制系统设计与性能评价 |
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| 引用本文： | 和贤桃,丁友强,张东兴,杨丽,崔涛,魏剑涛,刘全威,颜丙新,赵东岳. 玉米精量排种器电驱PID控制系统设计与性能评价[J]. 农业工程学报, 2017, 33(17): 28-33. DOI: 10.11975/j.issn.1002-6819.2017.17.004 |
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| 作者姓名： | 和贤桃 丁友强 张东兴 杨丽 崔涛 魏剑涛 刘全威 颜丙新 赵东岳 |
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| 作者单位： | 1. 中国农业大学工学院,北京,100083;2. 中国农业大学工学院,北京 100083;农业部土壤-机器-植物系统技术重点实验室,北京 100083;3. 凯斯纽荷兰公司,芝加哥 60527 |
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| 基金项目： | the National Key Research and Development Program of China (No.2017YFD0700703); the National Natural Science Foundation of China(51575515); China Agriculture Research System (CARS-02). |
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| 摘 要： | 本文研究了一种基于PID的排种器电驱控制系统,取消了播种机采用地轮和链条驱动的方式,提高了播种机的播种质量和作业速度.采用PID算法控制排种盘转速,在目标转速与当前转速差异较大时,加入PID积分分离算法,以减少转速的超调量.通过整定后的PID参数为:Kp=16、Ki=0.05、Kd=36,在其排种盘转速范围为0~24r/min时,响应时间、超调量、稳态误差分别为0.4秒,1.56%和0.75%.试验结果表明,在12km/h的高速播种作业条件下,采用该电驱控制系统的排种器排种单粒率仍然可达到98.4%,其重播率和漏播率小于1%.采用本文研究的基于PID算法的排种控制系统可以获得良好的排种质量和更高的排种速度,使排种器更适宜高速精量播种.
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| 关 键 词： | 农业机械 电驱控制 性能 PID整定 积分分离 |
| 收稿时间： | 2017-04-07 |
| 修稿时间： | 2017-08-02 |
Design and evaluation of PID electronic control system for seed meters for maize precision planting |
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| He Xiantao,Ding Youqiang,Zhang Dongxing,Yang Li,Cui Tao,Wei Jiantao,Liu Quanwei,Yan Bingxin and Zhao Dongyue. Design and evaluation of PID electronic control system for seed meters for maize precision planting[J]. Transactions of the Chinese Society of Agricultural Engineering, 2017, 33(17): 28-33. DOI: 10.11975/j.issn.1002-6819.2017.17.004 |
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| Authors: | He Xiantao Ding Youqiang Zhang Dongxing Yang Li Cui Tao Wei Jiantao Liu Quanwei Yan Bingxin Zhao Dongyue |
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| Affiliation: | 1. College of Engineering, China Agricultural University, Beijing 100083, China;,1. College of Engineering, China Agricultural University, Beijing 100083, China;,1. College of Engineering, China Agricultural University, Beijing 100083, China; 2. Soil-Machine-Plant key laboratory of the Ministry of Agriculture of China, Beijing 100083, China;,1. College of Engineering, China Agricultural University, Beijing 100083, China; 2. Soil-Machine-Plant key laboratory of the Ministry of Agriculture of China, Beijing 100083, China;,1. College of Engineering, China Agricultural University, Beijing 100083, China; 2. Soil-Machine-Plant key laboratory of the Ministry of Agriculture of China, Beijing 100083, China;,3. CNH Industrial, Chicago 60527, USA;,1. College of Engineering, China Agricultural University, Beijing 100083, China;,1. College of Engineering, China Agricultural University, Beijing 100083, China; and 1. College of Engineering, China Agricultural University, Beijing 100083, China; |
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| Abstract: | Abstract: A proportional-integral-derivative (PID) electronic control system for seed meters was developed to improve the planting quality and operation efficiency of conventional planters with ground wheel and chain driven system. A PID algorithm was used for controlling seed plate rotation speed. In addition, the PID controller incorporated integral separation of the integral term to increase the response time and reduce the occurrence of overshoot when the set point was far away from the current rotation rate. The final tuned PID parameter values were Kp=16, Ki=0.05, and Kd=36. The response time, overshoot, and steady error for a seed plate rotation speed step response from 0 to 24 r/min were 0.4 s, 1.56%, and 0.75%, respectively. Experiment results showed that the Singulation index (SI) of seed meter could receive to 98.4%, and the Multiple index (UI) and Miss index (MI) were not more than 1% even at the highest planting speed of 12 km/h, which indicated that the seed meter with the developed control system and tuned PID parameters could obtain better planting quality and higher planting speed. |
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| Keywords: | agricultural machinery electronic control performance PID parameter tuning integral separation |
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