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Information and Communications Technology Qualifications | Back to list of Prescriptions Prescription: PC500 (PC100)Process Control Aim of Module To provide students with an understanding of the characteristics of process control. Credits 7 Student Learning hours 70 Content Revised 1998 Prescription Expiry Date Nov 2005 Level and Assessment Schedule Topics Highest Skill Level Suggested Assessment Percentage 1 Control Concepts A 35 2 Modes of Control R 10 3 Process Characteristics C 10 4 Process Control Software A 45 100 The Student Will 1 Control Concepts R 1.1 Outline standard control terminology. R 1.2 State the objective of a control system. R 1.3 Identify the basic elements of a control system. R 1.4 Define the term "open loop control". R 1.5 Define the term "closed loop control". R 1.6 Distinguish between accuracy and stability in open and closed loops. Reference should be made to hunting and damping. R 1.7 Describe the improvement in linearity by the application of negative feedback. R 1.8 Describe the basic concepts of sampling theory. A 1.9 Apply sampling theory to real applications. A 1.10 Scale inputs. A 1.11 Perform reasonableness testing on figures. A 1.12 Apply statistical analysis to results. A 1.13 Produce output or controlling signals. R 1.14 Describe polling techniques and sampling. R 1.15 Describe interrupt techniques in control. top 2 Modes of Control R 2.1 Define two step control. R 2.2 Define hysteresis. R 2.3 Describe proportional control. R 2.4 Describe integral action. R 2.5 Describe derivative control. top 3 Process Characteristics R 3.1 Define time constants in reaction rate. C 3.2 Explain how to recognise transfer lag. C 3.3 Explain how to recognise multiple lags making up a reaction curve. top 4 Process Control Software R 4.1 Describe real time process control. A 4.2 Write a program which reads inputs into a buffer, sums and averages the results, and produces an output to regulate the process if figures fall outside tolerances. A 4.3 Draw a time diagram of input --> response. C 4.4 Outline the real time problem of processor speed vs sampling speed. C 4.5 Contrast multi-tasking as opposed to time sharing, and describe the benefits of each. top | Home | Newsletters | Conference | Qualifications | Forum | Job Vacancies |