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基于模糊算法的農(nóng)機編隊轉(zhuǎn)場多機協(xié)同控制方法
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江蘇省農(nóng)業(yè)自主創(chuàng)新項目(CX(22) 2040),、江蘇大學(xué)農(nóng)業(yè)工程學(xué)部項目( NGXB20240105),、國家重點研發(fā)計劃項目(2022ZD0115804)和江蘇省重點研發(fā)計劃項目(BE2021313)


Multi-machine Collaborative Control Method of Agricultural Machinery Formation Transfer Based on Fuzzy Algorithm
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    摘要:

    針對協(xié)同控制在農(nóng)機轉(zhuǎn)場場景下受復(fù)雜環(huán)境影響導(dǎo)致的響應(yīng)速度慢、控制精度低,、穩(wěn)定性差,、魯棒性不足等問題,提出一種農(nóng)機編隊轉(zhuǎn)場多機協(xié)同控制方法。搭建主機人工駕駛領(lǐng)航,、從機自動跟隨的多機協(xié)同模型,基于弗萊納坐標轉(zhuǎn)換將協(xié)同控制解耦為橫向,、縱向控制,采用模型預(yù)測控制算法設(shè)計縱向控制器以實現(xiàn)機組間相對距離保持及速度,、加速度跟隨,采用純追蹤算法設(shè)計橫向控制器以實現(xiàn)從機沿主機軌跡行駛,引入模糊算法實時調(diào)整關(guān)鍵控制系數(shù)以實現(xiàn)控制效果優(yōu)化?;贑arSim/Simulink平臺設(shè)計多種轉(zhuǎn)場典型工況對本文方法進行仿真試驗分析,結(jié)果表明相比傳統(tǒng)控制方法本文方法具備更可靠優(yōu)越的性能,并基于智能拖拉機機組開展實車試驗驗證,結(jié)果表明機組軌跡橫向誤差小于0.090m,速度誤差小于0.570m/s,相對距離誤差小于0.169m,加速度誤差小于0.252m/s2,均能漸進穩(wěn)定滿足農(nóng)機編隊轉(zhuǎn)場實際需求,。

    Abstract:

    Aiming at the problems of slow response speed, low control accuracy, poor stability, and insufficient robustness caused by the influence of complex environment of collaborative control in agricultural machinery transfer scenarios, a multi-machine collaborative control method is proposed for agricultural machinery formation transfer. The multi-machine collaborative model was constructed in which the host machine drived and navigated manually and the slave machines followed automatically. Based on the Frenet coordinate transformation, the collaborative control was decoupled into horizontal and vertical control, and the longitudinal controller was designed by using the model predictive control algorithm to achieve the maintenance of the relative distance and the following of speed and acceleration among the units, and the horizontal controller was designed by using the pure tracking algorithm to achieve the slave machines to follow the trajectory of the host machine and the introduction of fuzzy algorithm adjusted the key control coefficients to optimize the control effect in real time. Based on the CarSim/Simulink platform to design a variety of transfer typical working conditions on the designed method for simulation test analysis, comparisons showed that compared with the traditional control methods it had a more reliable and superior performance, and based on the intelligent tractor unit to carry out the real vehicle test verification, the results showed that the relative speed error was less than 0.570 m/s, the relative distance error was less than 0.169 m, the acceleration error was less than 0.252 m/s2 ,the lateral error was less than 0.090 m, all of them can gradually and steadily meet the actual needs of agricultural machinery formation transfer.

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魏新華,鄧屹,崔鑫宇,王曄飛,章少岑,楊家鑫.基于模糊算法的農(nóng)機編隊轉(zhuǎn)場多機協(xié)同控制方法[J].農(nóng)業(yè)機械學(xué)報,2025,56(2):48-60. WEI Xinhua, DENG Yi, CUI Xinyu, WANG Yefei, ZHANG Shaocen, YANG Jiaxin. Multi-machine Collaborative Control Method of Agricultural Machinery Formation Transfer Based on Fuzzy Algorithm[J]. Transactions of the Chinese Society for Agricultural Machinery,2025,56(2):48-60.

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  • 收稿日期:2024-10-20
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  • 在線發(fā)布日期: 2025-02-10
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