Control system

As explained in Optimization Algorithms: AI techniques for design, planning, and control problems

A control system is a set of rules and mechanisms that guides a device or process toward specified goals.

A control system uses rules and mechanisms to guide a device or process toward a goal. A closed-loop system repeatedly measures the current state, compares it with the desired state, and adjusts its control signal. section 8.7

A PID controller responds to the error between desired and measured states:

• Proportional control reacts to the current error. section 8.7
• Integral control accumulates error magnitude and duration, reducing steady-state error. section 8.7
• Derivative control reacts to the rate of error change and can reduce overshoot and settling time. section 8.7

Thermostat control

A thermostat targeting 22°C measures room temperature, computes the error, and turns heating or cooling on or off to reduce that error. section 8.7

Figure 8.17 PID-based closed-loop control system—the PID controller takes the error signal and produces a control signal to reduce the error to zero.

Trace the feedback loop from error signal to PID control signal and system response. section 8.7

How Optimization Algorithms: AI techniques for design, planning, and control problems covers it

How deep it goes

Explains closed-loop feedback, PID terms, response effects, and genetic-algorithm tuning with Python implementation.

Examples

Uses room-temperature regulation, thermostat switching, PID response tables, transfer functions, and plotted step responses.

What you can do after

Build it from scratch by modeling a PID system, tuning parameters with a genetic algorithm, and inspecting its response.

How it connects

Connects feedback, closed-loop control, PID controllers, transfer functions, step responses, and genetic algorithms.

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This explainer was generated by Manning's knowledge graph from the text of Optimization Algorithms: AI techniques for design, planning, and control problems. The section links point to the parts of the book it draws on.