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相关概念视频

PID Controller01:19

PID Controller

161
Proportional-Integral-Derivative (PID) controllers are widely used in various control systems to enhance stability and performance. In a thermostat, it adjusts heating or cooling based on the temperature difference between the actual and desired levels. They are often used in automotive speed systems, effectively managing sudden speed changes while maintaining a constant speed under varying conditions. On the other hand, PI controllers, commonly employed in voltage regulation, enhance stability...
161
Time and frequency -Domain Interpretation of PI Control01:27

Time and frequency -Domain Interpretation of PI Control

167
Proportional-Integral (PI) controllers are essential in many control systems to improve stability and performance. They are commonly used in everyday devices like thermostats to enhance system damping and reduce steady-state error. When the zero in the controller's transfer function is optimally placed, the system benefits significantly in terms of stability and accuracy.
Acting as a low-pass filter, the PI controller slows the system's response and extends settling times. This requires...
167

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相关实验视频

Updated: Jul 29, 2025

Design and Characterization Methodology for Efficient Wide Range Tunable MEMS Filters
15:25

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基于双模糊PID控制的MEMS热重量分析仪的高速温度控制方法

Xiaoyang Zhang1, Zhi Cao2,3, Shanlai Wang1

  • 1School of Microelectronics, Shanghai University, Shanghai 200444, China.

Micromachines
|May 27, 2023
PubMed
概括

微电机系统热重量分析仪 (MEMS TGA) 提供更快的加热速度. 一种新的双模糊比例积分导数 (PID) 控制方法增强了MEMS TGA温度控制,减少了超标并提高了性能.

关键词:
成员 TGA TGA 的成员.在PID控制中,PID控制器模糊的控制 模糊的控制一个共振的杆.控制温度的温度控制器热重力测量分析仪热重力测量分析仪

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相关实验视频

Last Updated: Jul 29, 2025

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Published on: February 4, 2018

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科学领域:

  • 分析化学 分析化学
  • 材料科学 材料科学 材料科学
  • 控制工程 控制工程 控制工程

背景情况:

  • 传统的热重量分析仪 (TGA) 存在热滞后,限制了加热速度.
  • 微电机系统热重量分析仪 (MEMS TGA) 提供了诸如芯片内加热和高质量灵敏度等优势.
  • MEMS TGA的小加热面积和结构消除了热滞后,使加热速度更快.

研究的目的:

  • 为MEMS TGA开发一种高速温度控制方法.
  • 为了解决系统的非线性,并最大限度地减少MEMS TGA温度控制中的超越.
  • 为了提高MEMS TGA的整体加热性能.

主要方法:

  • 关于双模糊比例积分导数 (PID) 控制策略的建议.
  • 使用模糊逻辑控制实时调整PID参数.
  • 对拟议的控制方法进行模拟和实验验证.

主要成果:

  • 与传统的PID控制相比,双模糊PID控制方法显示出更快的响应速度.
  • 拟议的方法显著减少了温度控制期间的超标.
  • 在使用双模糊PID控制的MEMS TGA中观察到更好的加热性能.

结论:

  • 双模糊PID控制是MEMS TGA中高速温度控制的有效方法.
  • 这种方法克服了MEMS TGA应用中的传统PID控制的局限性.
  • 增强的温度控制显著提高了MEMS TGA的加热性能.