Applications of expert system
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The document outlines the applications and development of expert systems in various domains such as design, medical diagnostics, and process control. It details the necessary technologies and steps involved in developing expert systems, including identifying problem domains, acquiring knowledge, and testing prototypes. The benefits of expert systems include availability, cost-effectiveness, speed, reduced error rates, and steady performance in challenging environments.
Applications of expert system
- 1. Swipe Applications of Expert System AI
- 2. The following table shows where ES can be applied:- Design Domain Camera lens design, automobile design. Medical Domain Diagnosis Systems to deduce cause of disease from observed data, conduction medical operations on humans. Monitoring Systems Comparing data continuously with observed system or with prescribed behavior such as leakage monitoring in long petroleum pipeline. Process Control Systems Controlling a physical process based on monitoring. Applications of Expert System
- 3. Expert System Technology Expert System Development Environment - The ES development environment includes hardware and tools. They are:- Workstations, minicomputers, mainframes. High level Symbolic Programming Languages such as LISt Programming (LISP) and PROgrammation en LOGique (PROLOG). Large databases. There are several levels of ES technologies available. Expert systems technologies include:-
- 4. Tools − They reduce the effort and cost involved in developing an expert system to large extent. Powerful editors and debugging tools with multi-windows. They provide rapid prototyping Have Inbuilt definitions of model, knowledge representation, and inference design. Shells − A shell is nothing but an expert system without knowledge base. A shell provides the developers with knowledge acquisition, inference engine, user interface, and explanation facility. For example, few shells are given below − Java Expert System Shell (JESS) that provides fully developed Java API for creating an expert system. Vidwan, a shell developed at the National Centre for Software Technology, Mumbai in 1993. It enables knowledge encoding in the form of IF-THEN rules.
- 5. Development of Expert Systems: General Steps Identify Problem Domain The problem must be suitable for an expert system to solve it. Find the experts in task domain for the ES project. Establish cost-effectiveness of the system. Design the System Identify the ES Technology Know and establish the degree of integration with the other systems and databases. Realize how the concepts can represent the domain knowledge best. The process of ES development is iterative. Steps in developing the ES include:-
- 6. Develop the Prototype From Knowledge Base: The knowledge engineer works to − Acquire domain knowledge from the expert. Represent it in the form of If-THEN-ELSE rules. Test and Refine the Prototype The knowledge engineer uses sample cases to test the prototype for any deficiencies in performance. End users test the prototypes of the ES. Develop and Complete the ES Test and ensure the interaction of the ES with all elements of its environment, including end users, databases, and other information systems. Document the ES project well. Train the user to use ES.
- 7. Benefits of Expert Systems Availability − They are easily available due to mass production of software. Less Production Cost − Production cost is reasonable. This makes them affordable. Speed − They offer great speed. They reduce the amount of work an individual puts in. Less Error Rate − Error rate is low as compared to human errors. Reducing Risk − They can work in the environment dangerous to humans. Steady response − They work steadily without getting motional, tensed or fatigued.
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