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SI units, systematic and random errors in measurement, expression of uncertainty -
accuracy and precision index, propagation of errors. PMMC, MI, and dynamometer
type instruments; dc potentiometer; bridges for R, L, and C, and Q-meter
measurements. Basics of control engineering – modeling system: transfer function and
state-space model, stability analysis: time domain and frequency domain analysis.
Section 6: Sensors and Bio-instrumentation
Types of Instruments: Resistive-, capacitive-, inductive-, piezoelectric-, Hall Effect
sensors and associated signal conditioning circuits; Optical sources and detectors:
LED, Photo-diode, p- analysis: time (APD), light dependent resistor and their
characteristics; basics of magnetic sensing; Interferometer: applications in metrology;
basics of fiber optic sensing. Basics of LASERs. Origin, nature, and types of
Biosignals, Principles of sensing physiological parameters, types of transducers and
their characteristics, Electrodes for bioelectric signals, Bioelectric signals, and their
characteristics. Biopotential Amplifiers, Non-standards facts and their management,
Electrical Isolation (optical and electrical) and Safety of Biomedical Instruments.
Generation, Acquisition, and signal conditioning and analysis of biosignals: ECG,
EMG, EEG, EOG, Blood ERG, PCG, GSR. Principles of measuring blood pressure,
Core temperature, volume & flow in arteries, veins, and tissues – Lung volumes,
respiration, and cardiac rate.
Section 7: Human Anatomy and Physiology
Essential elements of the human body-musculoskeletal system, respiratory system,
circulatory system, excretory system, endocrine system, nervous system, digestive,
nervous, immune, integumentary, and reproductive systems, Basics of cell and
molecular biology.
Section 8: Biomechanics
Engineering Mechanics: Free-body diagrams and equilibrium; trusses and frames;
virtual work; kinematics and dynamics of particles and rigid bodies in plane motion;
impulse and momentum (linear and angular) and energy formulations, collisions. Hard
Tissues: Definition of Stress and Strain; Deformation Mechanics. Bone structure &
composition mechanical properties of bone, cortical and cancellous bones,
viscoelastic properties, Maxwell & Voight models – anisotropy, Fatigue Analysis, Soft
Tissues: Structure, functions, material properties and modeling of Soft Tissues:
Cartilage, Tendon, Ligament, Muscle - Hodgkin-Huxley Model. Human Joints and
Movements: Skeletal joints, forces, and stresses in human joints, types of joint,
biomechanical analysis joints, parameterization and analysis in Gait, Biofluid