Bài giảng Control system design - Chapter I: Introduction - Nguyễn Công Phương

Nguyễn Công Phương CONTROL SYSTEM DESIGN Contents I. Introduction II. Mathematical Models of Systems III. State Variable Models IV. Feedback Control System Characteristics V. The Performance of Feedback Control Systems VI. The Stability of Linear Feedback Systems VII. The Root Locus Method VIII.Frequency Response Methods IX. Stability in the Frequency Domain X. The Design of Feedback Control Systems XI. The Design of State Variable Feedback Systems XII. Robust Control Systems XIII.Digital Control Systems sites.google.com/site/ncpdhbkhn 2 References [1] R. C. Dorf, R. H. Bishop. Modern Control Systems. Prentice Hall, 2011. [2] N. S. Nise. Control System Engineering. Wiley, 2011. [3] W. S. Levine. Control System Fundamentals. CRC Press, 2010. [4] J. J. D’Azzo, C. H. Houpis, S. N. Sheldon. Linear Control System Analysis and Design with Matlab. Marcel Dekker, 2003. [5] G. C. Goodwin, S. F. Graebe, M. E. Salgado. Control System Design. Prentice – Hall, 2000. [6] sites.google.com/site/ncpdhbkhn sites.google.com/site/ncpdhbkhn 3 Introduction (1) • Control system: an interconnection of components forming a system configuration that will provide a desired system response. sites.google.com/site/ncpdhbkhn 4 ProcessInput Output sites.google.com/site/ncpdhbkhn 5 Introduction (2) ProcessInput Output Process Desired output response OutputActuatorController Open – loop control system (without feedback) sites.google.com/site/ncpdhbkhn 6 Introduction (3) ProcessInput Output Process Desired output response Actual outputActuatorController Closed – loop control system (with feedback) Sensor (–) Error Measurement output Feedback sites.google.com/site/ncpdhbkhn 7 Introduction (4) ProcessInput Output Process Desired output response Actual outputActuatorController Closed – loop control system with external disturbances & measurement noise Sensor (–) Error Measurement output Feedback Measurement noise Disturbance sites.google.com/site/ncpdhbkhn 8 Introduction (5) ProcessInput Output Process Desired output response Actual output ActuatorController #1 Multiloop feedback control system with an inner loop & an outer loop Sensor #1 (–) Error Measurement output Feedback Controller #2 Error Sensor #2 Measurement output Feedback (–) Inner loopOuter loop sites.google.com/site/ncpdhbkhn 9 Introduction (6) ProcessInput Output Comparison Controller Actuator Process Sensor Error Desired output response Actual output Measurement output Feedback Multivariable control system sites.google.com/site/ncpdhbkhn 10 Introduction (7) expanded.php?id=2306 sites.google.com/site/ncpdhbkhn 11 Introduction (8) sites.google.com/site/ncpdhbkhn 12 Introduction (9) Motorbike-Road-Bike-Transport- Wall-Art-Sticker-Transfers- /330771581272 Actual direction of travel Desired direction of travel Motorbike Desired course of travel Steering mechanismDriver Measurement & vision (–) Error Actual course of travel sites.google.com/site/ncpdhbkhn 13 Introduction (10) /02/nhiet-do-cai-dat-may-dieu- hoa.html Room Desired temperature Cooling systemController Temperature measurement (–) Error Actual temperature sites.google.com/site/ncpdhbkhn 14 Introduction (11)