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自抗扰解决系统延时问题.pdf

发布时间：2022-06-08 发布人：admin 分类：说明书 资料大小：1.72M 资料格式：pdf 举报 版权申诉
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    On Active Disturbance Rejection for Systems with Input Time-Delay
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    1. Introduction
    1. Introduction
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    1. Introduction
    1. Introduction
    1. Introduction
    1. Introduction
    1. Introduction
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    Texas Instrument Adoption
    Breaking News from TI
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    Breaking News
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    1. Introduction
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    2. ADRC Solution for Processes with Delay
    2. ADRC Solution for Processes with Delay
    2. ADRC Solution for Processes with Delay
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    3. Frequency Domain Analysis
    3. Frequency Domain Analysis
    3. Frequency Domain Analysis
    3. Frequency Domain Analysis
    3. Frequency Domain Analysis
    3. Frequency Domain Analysis
    3. Frequency Domain Analysis
    3. Frequency Domain Analysis
    3. Frequency Domain Analysis
    3. Frequency Domain Analysis
    3. Frequency Domain Analysis
    3. Frequency Domain Analysis
    3. Frequency Domain Analysis
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    4. Numerical Examples
    4. Numerical Examples
    4. Numerical Examples
    4. Numerical Examples
    4. Numerical Examples
    4. Numerical Examples
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    6. Conclusion
    6. Conclusion
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    The 25th Chinese Process Control Conference Dalian China, 2014 On Active Disturbance Rejection Systems with Input Time-Delay for Qinling Zheng, and Zhiqiang Gao Cleveland State University August 2014
    Outline Qinling Zheng, Zhiqiang Gao 2
    Outline 2. The ADRC Solution for Processes with Delay 3. Frequency Domain Analysis 4. Case Study 5. Conclusion Qinling Zheng, Zhiqiang Gao 3
    1. Introduction Processes with time delay are difficult to control 1) Delay introduces extra phase lag 2) Reduce stability margins (especially phase margin) 3) Put a stringent limit on the control system bandwidth Qinling Zheng, Zhiqiang Gao 4
    1. Introduction Available means: 1) Smith predictor (SP) 2) Generalized predictive (GP) Internal model control (IMC) 3) 4) Active disturbance rejection control (ADRC) Qinling Zheng, Zhiqiang Gao 5
    Qinling Zheng, Zhiqiang Gao 6
    1. Introduction Available means: 1) Smith predictor (SP) 2) Generalized predictive (GP) Internal model control (IMC) 3)  Limited to stable processes.  Unable to reject unknown disturbances. 4) Active disturbance rejection control (ADRC) To expand the original SP and to improve its performance, numerous efforts have been made, such as:  Solutions for integral/unstable processes with time-delay,  Disturbance observer based SP. Qinling Zheng, Zhiqiang Gao 7
    1. Introduction Available means: 1) Smith predictor (SP) 2) Generalized predictive (GP) Internal model control (IMC) 3) Similarly to SP, in GP, the predicted plant output is generated and sent to 4) Active disturbance rejection control (ADRC) the controller.  Unable to control unstable processes with significant dead time.  Cascade control structures with dead-time compensation are needed. Qinling Zheng, Zhiqiang Gao 8
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