Feb 05, 2025  
2021-2022 Undergraduate Academic Catalog 
    
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2021-2022 Undergraduate Academic Catalog [ARCHIVED CATALOG]

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BE 4815 - Biomedical Feedback Control Systems

3 lecture hours 2 lab hours 4 credits

Course Description
The objective of this course is to expand topics in classical feedback control theory, introduce modern control theory, and to apply these topics to the solution of classical feedback control problems in biomedical engineering related areas. The student will expand their abilities to analyze control systems using Routh-Hurwitz, root-locus, and frequency response analysis. The students will use those techniques for P, PI and PID feedback control system design. Topics related to the design of control systems in state space will also be introduced. MATLAB and Simulink will be used model control systems. In the laboratory, the student will design and implement both in software and in hardware the temperature control of an incubator. (prereq: BE 4805 )
Course Learning Outcomes
Upon successful completion of this course, the student will be able to:
  • Solve for system stability
  • Use Root-Locus and Frequency Domain techniques to analyze and design first and second order LTI feedback control systems
  • Use Root-Locus technique to analyze and design first and second order LTI feedback control systems
  • Apply knowledge of classical analog feedback control theory in the laboratory
  • Design P, PI, and PID controllers to be used in first and second order systems
  • Use MATLAB and Simulink to analyze and design feedback control systems
Prerequisites by Topic
  • Develop models of mechanical, electrical (including ideal operational amplifiers), thermal and biological systems in the frequency and in the time domains
  • Develop the transfer function for linear time-invariant (LTI) electrical, mechanical, thermal, and biological systems
  • Model an LTI systems in state-variable form
  • Solve for the time-domain response (impulse, step, ramp) of first and second order feedback transfer functions
  • Write the transfer function of first and second order feedback control systems
  • Solve for the stability factors and system error for LTI control system
  • Use MATLAB and Simulink to analyze feedback control systems
Course Topics
  • Introductory material
  • Stability analysis Routh-Hurwitz
  • Root-locus analysis and design
  • Frequency-response analysis and design
  • State space-based control
  • P, PI, and PID controllers
Laboratory Topics
  • Use of Simulink in controls systems
  • Reverse engineering of a commercially available incubator
  • Step response and system identification of an incubator
  • On-off temperature controller of an incubator with some requirements based on IEC 60601-2-19
  • Temperature control of an incubator using P controller with some requirements based on IEC 60601-2-19
  • Temperature control of an incubator using PI controller with some requirements based on IEC 60601-2-19
  • Temperature control of an incubator using PID controller with some requirements based on IEC 60601-2-19

 

Coordinator
Dr. Icaro dos Santos


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