alexa Linked State Machine Approach to Industrial Process Control Systems Design
ISSN ONLINE(2278-8875) PRINT (2320-3765)

International Journal of Advanced Research in Electrical, Electronics and Instrumentation Engineering
Open Access

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Research Article

Linked State Machine Approach to Industrial Process Control Systems Design

K.A Akpado1, H.C Inyiama2, A. Ejiofor3 and H. Ejiofor4
  1. Snr. Lecturer Dept. of ECE, Nnamdi Azikiwe University, Awka, Anambra State, Nigeria
  2. Professor, Dept. of ECE, Nnamdi Azikiwe University, Awka, Anambra State, Nigeria
  3. Senior Technologist, Dept. of IPE, Nnamdi Azikiwe University, Awka, Anambra State, Nigeria
  4. Senior Technologist, Dept. of ECE, Nnamdi Azikiwe University, Awka, Anambra State, Nigeria
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The use of microcontroller embedded systems in the design of industrial process control systems is limited by the level of complexities involved in actualizing a desired control automation. Adding intelligence and self diagnostic features to such systems usually increase the complexity of the machine. This paper studies the Linked-State Machine approach as a design alternative to overcome the challenges of designing complex industrial process control systems. The complexity of an intelligent class C water level and temperature control system with self diagnoses is simplified by breaking the system into three simpler class A machines. Each of the three simple machines is designed separately as embedded systems by looking at the Algorithm State Machine (ASM), the State Transition Table (STT) and the linked path Addressable ROM structure model for the Hardware implementation. The three simple machines are then linked together as State Machines to actualize the desired operation of the original complex system.


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