Feedback Control in Engineering Applications
Principles of feedback control in various engineering systems, from cars to airplane controls, distillation columns, and renewable energy sources. Explore the process characteristics, properties, and controller functionalities of feedback control systems, along with their importance in achieving stability, controllability, and observability. Understand the role of closed-loop feedback control in managing finances, social justice, and sustainable development within communities.
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Presentation Transcript
Anti-Poverty Technology: Research: Principles of Feedback Control https://hecourse.engineering.osu.edu Lecture 11.2
Principles of feedback control Seen in most areas of engineering... Examples: Cruise control on a car, anti-skid brakes in a car, engine control, altitude hold on an airplane, thermostat for temperature control, control of a distillation column, water level in an irrigation system, homeostatic mechanisms In the human body, interactions in an ecosystem, control for the electricity smart grid, maximum power point tracking for solar energy, wind turbine control... 2
Process characteristics: Linear/nonlinear SISO/MIMO Stochastic/deterministic Complexity Examples: Dynamic poverty model: Nonlinear SISO Stochastic (income) TOC model: Nonlinear MIMO Deterministic 3
Properties of processes: Examples: Stability Controllability Observability Dynamic poverty model: Perhaps unstable Controllable Observable TOC model: Perhaps unstable Controllable? Observable? 4
Controller functionalities: Examples: Linear/nonlinear Static/dynamic Adaptive/learning Planning Dynamic poverty model: Nonlinear PID Learning? Planning? TOC model: Useful features: Learning?, Prediction? 5
Properties of closed-loop feedback control systems: Stability Time response shape Disturbance rejection Robustness Analysis: Mathematical, computational, implementation Feedback control for finances management: Ability to track desired wealth? React quickly? Eliminate bad effects of random income? Perform well in spite of modeling or other errors Later: Social justice, development, sustainable communities Dynamics and feedback control in social systems 6
