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變量施肥控制系統(tǒng)PID控制策略
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Strategy of the Variable Rate Fertilization Control System
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    摘要:

    根據(jù)機(jī)械動(dòng)力學(xué)原理和電學(xué)原理建立了變量施肥控制系統(tǒng)的數(shù)學(xué)模型，為控制系統(tǒng)的設(shè)計(jì),、PID參數(shù)選擇以及控制性能改進(jìn)提供了理論依據(jù)。利用Matlab/Simulink動(dòng)態(tài)仿真工具構(gòu)建了直流伺服電動(dòng)機(jī)驅(qū)動(dòng)無級(jí)變速傳動(dòng)機(jī)構(gòu)的仿真模型，采用臨界比例度法對(duì)系統(tǒng)的PID參數(shù)進(jìn)行整定,，獲得了反映系統(tǒng)性能的仿真曲線，仿真和試驗(yàn)驗(yàn)證結(jié)果表明,，PID控制策略提高了控制系統(tǒng)的跟蹤性能和抗干擾性能,。

    Abstract:

    The mathematical model of the variable rate fertilization control system according to the principles of mechanical and electrical dynamics was set up and the theoretical basis for the system design, parameter selection and performance improvement was provided. The simulation model with direct current servo motor driving variable transmission mechanism was constructed by using Matlab/Simulink dynamic simulation tools. PID parameter tuning of control system was carried out by the critical proportioning method, the simulation curves of system performance was obtained. The simulation results showed that PID control strategy could improve the control system tracking performance and anti-jamming performance, and the test was carried out to verify the system performance.

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梁春英,衣淑娟,王熙,懷寶付.變量施肥控制系統(tǒng)PID控制策略[J].農(nóng)業(yè)機(jī)械學(xué)報(bào),2010,41(7):157-162. Strategy of the Variable Rate Fertilization Control System[J]. Transactions of the Chinese Society for Agricultural Machinery,2010,41(7):157-162.

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