基于改进的电液伺服排位算法的实时混合测试控制研究.
Yaoyu Shen1, Ying-Qing Guo1, Xiumei Zha1
1College of Mechanical and Electronic Engineering, Nanjing Forestry University, Nanjing 210037, China.
Sensors (Basel, Switzerland)
|July 11, 2023
概括
本研究介绍了FF-PSO-PID算法,以增强实时混合测试 (RTH) 电液伺服系统. 新方法显著提高了准确性和响应速度,克服了常见的RTH挑战.
科学领域:
- 结构工程 结构工程
- 控制系统工程 控制系统工程
- 计算力学 计算力学 计算力学
背景情况:
- 实时混合测试 (RTH) 通过整合数字模拟和物理测试来评估结构动态性能.
- 在RTH的挑战包括时间延迟,重大错误和缓慢的响应时间,通常源于电液伺服排位系统.
- 提高控制系统的性能对于有效的RTH至关重要.
研究的目的:
- 提出并验证FF-PSO-PID算法用于控制RTH中的电动液压伺服移位系统.
- 解决和减轻RTH的时间滞后,大错误和缓慢响应等问题.
主要方法:
- 开发了一种用于RTH的电液位移伺服系统的数学模型.
- 使用粒子群集优化 (PSO) 来优化PID控制器参数.
- 集成了一个前补偿算法 (FF) 用于位移控制.
- 在Matlab/Simulink中进行联合模拟,比较FF-PSO-PID,PSO-PID和传统PID.
主要成果:
- 与PSO-PID和传统PID相比,FF-PSO-PID算法显示出更高的性能.
- 在电动液压伺服变速系统的精度和响应速度方面取得了显著的改进.
- 提出的方法有效地减少了RTH固有的时间延迟,大错误和缓慢响应问题.
结论:
- FF-PSO-PID算法提供了一个有效的解决方案,用于提高RTH中电动液压伺服移位系统的性能.
- 这一进步有助于使用RTH的结构更可靠,更有效地评估动态负载性能.
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