| 可变喷嘴涡轮增压器电液控制阀仿真与实验 |
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| 引用本文： | 叶子波,屈盛官,张宜华.可变喷嘴涡轮增压器电液控制阀仿真与实验[J].农业机械学报,2011,42(9):21-25. |
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| 作者姓名： | 叶子波 屈盛官 张宜华 |
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| 作者单位： | 华南理工大学机械与汽车工程学院,广州,501641 |
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| 基金项目： | 国防科工委项目(JPPT—115—240) |
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| 摘 要： | 根据AVNT控制系统组成及工作原理,建立凸轮位置反馈式AVNT阀的数学模型,分析了控制系统的稳定性和电流-转角特性.仿真结果表明,由幅值裕量、相位裕量和响应时间可知控制系统稳定且具有较好的动态性能.AVNT阀安装到涡轮增压器上,通过曲柄轴转角随输入电流变化的实验,验证了仿真模型的可行性.
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| 关 键 词： | 可变喷嘴涡轮增压器 液压控制阀 幅值裕量 相位裕量 |
Control Model of Electrohydraulic Proportional Cartridge Valve for Variable Nozzle Turbocharger |
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| Ye Zibo,Qu Shengguan and Zhang Yihua.Control Model of Electrohydraulic Proportional Cartridge Valve for Variable Nozzle Turbocharger[J].Transactions of the Chinese Society of Agricultural Machinery,2011,42(9):21-25. |
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| Authors: | Ye Zibo Qu Shengguan and Zhang Yihua |
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| Institution: | South China University of Technology;South China University of Technology;South China University of Technology |
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| Abstract: | According to the control system composition and working principle of AVNT, mathematical model of AVNT valve with cam position feedback signal was established, stability performance and characteristic of current-angle were analyzed. Simulation results show that gain margin and phase margin can make control system with guaranteed stability and better dynamic characteristics. Feasibility of the simulation model was verified by the experiments of crankshaft angel changing with input current after AVNT valve was installed in turbocharger. |
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| Keywords: | Variable nozzle turbocharger Hydraulic control valve Amplitude margin Phase margin |
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