| 单电源液压伺服放大器的研制 |
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| 引用本文： | 徐明天,曹恒,江金林,朱钧. 单电源液压伺服放大器的研制[J]. 医学教育探索, 2017, 43(2): 292-296 |
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| 作者姓名： | 徐明天 曹恒 江金林 朱钧 |
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| 作者单位： | 华东理工大学智能传感测控研究室, 上海 200237,华东理工大学智能传感测控研究室, 上海 200237,华东理工大学智能传感测控研究室, 上海 200237,华东理工大学智能传感测控研究室, 上海 200237 |
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| 基金项目： | 国家自然科学基金（51275170） |
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| 摘 要： | 研制了一种驱动直动式电液阀的单电源伺服放大器，该放大器具有限幅、调零、增益可调功能，同时具有可以实时监控阀芯位置的特点；根据技术指标设计了伺服放大电路，并采用Multisim软件对电路模型进行了仿真分析；制成印刷电路板，对其性能进行了测试，并与仿真结果作对比。结果表明：研制的放大器输出电流线性度好，有效幅值可调范围宽，满足技术要求。
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| 关 键 词： | 伺服放大器 单电源供电 仿真 脉宽调制 H桥电路 |
| 收稿时间： | 2016-06-01 |
Development of Hydraulic Servo Amplifier with Single Supply |
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| XU Ming-tian,CAO Heng,JIANG Jin-lin and ZHU Jun. Development of Hydraulic Servo Amplifier with Single Supply[J]. Researches in Medical Education, 2017, 43(2): 292-296 |
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| Authors: | XU Ming-tian CAO Heng JIANG Jin-lin ZHU Jun |
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| Affiliation: | Intelligent Sensor Measurement and Control Laboratory, East China University of Science and Technology, Shanghai 200237, China,Intelligent Sensor Measurement and Control Laboratory, East China University of Science and Technology, Shanghai 200237, China,Intelligent Sensor Measurement and Control Laboratory, East China University of Science and Technology, Shanghai 200237, China and Intelligent Sensor Measurement and Control Laboratory, East China University of Science and Technology, Shanghai 200237, China |
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| Abstract: | In order to develop a single-supply servo amplifier driving electro-hydraulic valve,which can limit the amplitude of input voltage and output current,set zero,adjust gain,and monitor the position of valve core in real time,the amplifier circuit is designed according to technical indicators.Then the circuit model is simulated by using Multisim.PCB is manufactured and tested.Compared with the simulation results,it can be found that the developed servo amplifier meets the technical requirements,and its output current performs good linearity and wide adjustable range. |
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| Keywords: | servo amplifier single power supply simulation PWM H-bridge circuit |
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