Instrumentation System Design

IE 313 INSTRUMENT AND SYSTEM DESIGN

Objectives:

After completion of this course students should able to

1. Identification of various modules for the system integration

2. Selection of various components and design of PCB

Unit I

Basic Concept of Instrumentation Design Functional requirements & Specifications Environmental, industrial, military applications, NEMA, DIN, BSI, ANSI standards Enclosure Design Guidelines Index protection (IPXXX), cable design guidelines.

[08 Hrs]

Unit II

Electronic design guideline Noise in electronic ckts. Capacitive and inductive coupling and effect of shield, shielding to prevent magnetic radiation, co-axial and twisted pair cable, grounding, safety ground, signal ground, single and multi point ground, Hybrid ground, grounding of cables shields, ground loops and low frequency and high frequency analysis of common mode choke, guard shields.

[08 Hrs]

Unit III

Shielding, near and far field, shielding effectiveness, absorption and relation loss, shielding with magnetic material, contact protection, glow and arc discharges, loads with high inrush current, Inductive and resistive load contact protection networks for inductive loads, intrinsic noise sources.

[08 Hrs]

Unit IV

ESD, inductive charging human body model, ESD protection in equipment, software in ESD protection ,EMI, types of noises, sensitive devices, input filters, clamping suppressors, Virtual instrumentation, Fault finding and trouble shooting techniques, causes and remedies of faults.

[08Hrs]

Unit V

Printed circuit board design guideline, layout scheme, grid systems, PCB size, Design rules for digital ckts, Design rules for analog circuits, single and multilayer PCB.
Automation in PCB design artwork CAD package, Soldering techniques, component assembly techniques, System Design Selection of sensors, signal conditioning, standard signals and noise considerations of typical systems.

[08Hrs]

Unit VI

Reliability, bath tube curve, Reliability for series parallel system, K-out of n system, MTTF, MTTR, MTBF, availability, Redundancy and stand by.

[08 Hrs]

Text Books:

ﾂ｡ Noise reduction Techniques in Electronics Circuit, Henry OTT Wiley International Publication

ﾂ｡ Reliability Engineering, Balguruswamy, TATA McGraw-hill Publication

ﾂ｡ Printed Circuit Board, Bosshart, Tata McGraw-Hill publication.