Page 57 - R2017 Final_BE Biomedical Curriculum and Syllabus - REC
P. 57
Department of BME, REC
BM17502 BIOCONTROL SYSTEMS L T P C
3 0 0 3
OBJECTIVES
• To introduce the relevance of this course to the existing technology through case studies and
simulations
• To study the mathematical techniques for analysis of given system
• To study the given system in time domain and frequency domain analysis.
• To study the stability analysis of the given system
• To study the concept of physiological control system
UNIT I CONTROL SYSTEM MODELING 9
Terminology and basic structure of control system, example of a closed loop system, transfer
function, modeling of electrical systems, translational and rotational mechanical systems, and
electromechanical systems, block diagram and signal flow graph representation of systems,
reduction of block diagram and signal flow graph, conversion of block diagram to signal flow graph.
Need for modeling physiological system.
UNIT II TIME RESPONSE ANALYSIS 9
Step and impulse responses of first order and second order systems, determination of time domain
specifications of first and second order systems from its output responses, definition of steady
state error constants and its computations.
UNIT III STABILITY ANALYSIS 9
Definition of stability, Routh- Hurwitz criteria of stability, root locus technique, construction of root
locus and study of stability, definition of dominant poles and relative stability.
UNIT IV FREQUENCY RESPONSE ANALYSIS 9
Frequency response, Nyquist stability criterion, Nyquist plot and determination of closed loop
stability, definition of gain margin and phase margin, Bode plot, determination of gain margin and
phase margin using Bode plot, use of Nichol‘s chart to compute frequency and bandwidth.
UNIT V PHYSIOLOGICAL CONTROL SYSTEM 9
Difference between engineering and physiological control systems, generalized system properties,
models with combination of system elements, linear models of physiological systems-Examples,
Introduction to simulation. Examples of Biological control Systems: Cardiovascular Control System,
Skeletal Muscle Servomechanism, Oculo - motor system, sugar level Control Mechanism.
TOTAL: 45 PERIODS
OUTCOMES:
On completion of the course students will be able to
• Comprehend and appreciate the significance and role of this course in the present
contemporary world
• Develop mathematical model and perform stability analysis.
• Analyze the different systems in time and frequency domain.
• Explain the concept of physiological control systems
TEXT BOOKS:
1. J.Nagrath and M.Gopal, “Control System Engineering”, New Age International
Publishers,5th Edition, 2007.
2. Michael C K Khoo, ― “Physiological control systems”, IEEE Press, Prentice Hall of India,
2005.
Curriculum and Syllabus | B.E Biomedical Engineering | R 2017 Page 57
