Design and Research of Electro-hydraulic Servo System in Mold Oscillation of Casting 连铸结晶器振动装置电液伺服系统的设计与研究
Design and Matlab Simulation of Electro-Hydraulic Servo Oscillation System for Continuous Casting Mold 结晶器电液伺服振动系统设计及Matlab仿真
The first-step research work of electro-hydraulic servo oscillation system on Baosteel Continuous Casting Testing Platform is introduced. 介绍了宝钢连铸试验平台液压振动技术的阶段性研究工作。
The variation of mold dynamic friction force with oscillation curve was studied in hot experiment by mold simulator with servo hydraulic control oscillation system. 应用连铸结晶器凝固综合模拟装置,研究了结晶器瞬态摩擦阻力随结晶器振动的变化规律。
The electrohydraulic servo system is ideal for mold non-sinuous oscillation. 采用电液伺服结晶器振动系统是实现结晶器非正弦振动的最为理想的方法。
The Technique of Continuous Casting Mould Electro-hydraulic Servo Oscillation Control and Its Equipment Study 连铸机结晶器电液伺服振动控制技术及设备
The servo system ′ s stability analysis based on the Lyapunov stability theory proves that its tracking errors may converge to zero and that the servo system can control the oscillation of flexible load. 基于Lyapunov稳定性理论的系统稳定性分析,证明系统跟踪误差将收敛至零,同时控制了柔性负载的振动。
Hydraulic servo oscillation table is key part of arc continuous caster, it is easy to change shape of wave, amplitude, frequency and can vibrate in non-sine and can fill require of arc continuous caster. 液压伺服振动台是现代弧形连铸机的重要设备,可方便的设定与改变波形、振幅、频率,能实现非正弦振动,可极大地满足连铸工艺的要求。
The result of simulation and the debug of actual digital servo system shows that the controller can effectively get rid of the sustained oscillation of the system caused by the backlash characteristics, and can improve the system accuracy. 实际数字交流伺服系统调试结果表明该控制算法能有效减小间隙特性对系统的影响。
This paper models servo drive system in CNC heavy cutting, and simplifies it to a fifth-order system that is cascaded of two second-order oscillation systems and one integral system. 文章介绍了数控强力切削伺服进给系统的模型的建立,并将此模型简化成由两个二阶振荡环节和一个积分环节串联而成的五阶系统。
Study on the Hydraulic Servo Oscillation Table in Arc Continuous Caster 弧形连铸机液压伺服振动台的研究
Analyzing and simulating the full closed-loop position servo system of CNC machine tools, this paper proves that mechanism velocity feedback can eliminate the oscillation caused by the lack of rigidity of mechanical driving chain, which is applied in the test process and good result are achieved. 通过对数控机床全闭环位置伺服系统的分析和仿真,证明机械速度反馈能有效地消除由于机械传动链刚度不足引起的振荡,并在调试过程中得到应用,收到良好效果。
The nonlinearity of the servo valve, the forced vibration of the armature assembly and the shear layer oscillation in the prestage are all the possible causes of high frequency noise. 伺服阀非线性、力矩马达衔铁组件的受迫振动、前置级流场中的剪切层振荡等是导致伺服阀产生自激噪声的可能因素。
However, the presence of friction in servo system results in the steady-state error, crawls, and limits cycle oscillation, and seriously impact on improvement performance of turntable. 转台伺服系统中摩擦环节的存在容易导致系统出现稳态误差、爬行、极限环振荡等现象,严重影响了转台性能的提高。