Control systems
BM BN BR
G Harrison
6 points * 52 lecture hours and 26 tutorial/laboratory hours * Full-year subject * Gippsland/Distance * Prerequisites: GEG2513, GEC2523, GAS2641
The nature of automatic feedback control. Open loop and closed loop systems. Block diagram representation. Definitions and terminology. Basic closed loop transfer function. Effect of feedback on gain, distortion, and sensitivity to parameter change. Derivation of system equations. PID controllers and turning. S-plane theory, differential equation solution by poles, zeros. Signal flow graph and reduction by Mason's Rule. Error analysis. Frequency response. Transfer function from the frequency response. Nichol's chart closed loop frequency response. Stability criterion. Gain and phase margins. Nyquist diagram, simple and full stability test. Root locus plotting. Closed loop performance from the root locus. State variable representation, transfer matrix, closed loop analysis. Feedback system compensation analysis and design, by root locus and frequency response techniques. Lag-lead networks.
Assessment
Examinations: 80% * Laboratory: 5% * Assignments: 20%
Prescribed texts
Dorf R C Modern control systems 6th edn, Addison-Wesley, 1992