Engineering Design Process and Intelligent Design Systems, Integrated Distributed Intelligent Design Systems, Problem Solving Strategy, Functional Design and Structural design, Parameter Design and System Analysis, Performance Evaluation and Redesign, IDIDE Implementation, Integrated Distributed Intelligent System for Transmission Design, Intergrated Distributed Intelliegent Design System for Heat Exchanger Networks, Intergrated Distributed Intelliegent Design System for Flowmeter Selection and Sizing, Intergrated Distributed Intelliegent Design System for Process Control System Design.