Digital Computer Control Systems

Part 1 Computers in control systems: historical development; digital computer interfacing; structure of a digital control loop; interface units; data representation and aliasing. Part 2 The z-transformation: definition of the z-transform; z-transform properties; inverse z-transform; pulse of z-transfer functions of systems; discrete approximations; numerical integration; pole-zero mapping; modified z-transform; multi-rate sampling systems; analysis of multi-rate systems; fast-slow multi-rate systems; closed-loop multi-rate systems. Part 3 Analysis of sampled-data control systems; z-transformation of systems; stability in discrete systems; time domain analysis; root locus analysis; frequency domain analysis. Part 4 Digital compensator design: continuous domain design; digital design; digital root locas design; state feedback design; digital PID control disign; deadbeat response design; optimal control design; controller design in the presence of noise. Part 5 Real-time computer control systems: hardware requirements; the digital computer and peripheral equipment; the real-time clock; interface units; software aspects; controller implementation; programming languages; system design co-ordination; sampling rate selection and quantization errors; computer/device communications; interrupt handling; multi-tasking and background/foreground. Part 6 Advances in computer control: artificial intelligence; expert systems; examples of expert systems; knowledge based systems in control engineering; conventional controller design methods; manual control methods; fuzzy sets and rule-based control; basic fuzzy operations; fuzzy relations; fuzzy control algorithms; parallel processing techniques; parallel computers; algorithms for parallel (MIMD) computers; programming parallel computers; performance of parallel computers; parallel processing in control engineering; matrix algebra; numerical integration; fault tolerance. Appendices: Table of laplace and z-transforms; continuous second-order systems; response specifications; frequency response characteristics; the transputer and occam; occam overview; transputer systems and occam configuration; vibration control of a flexible cantilever; system simulation; modelling and state estimation; controller design; user interface; solutions.