EE 3720 - Control Systems

• Analyze a system’s time-domain performance
• Simplify system block diagrams
• Determine system stability using Routh-Hurwitz criterion, including for a single parameter variation
• Determine steady-state error in a system for typical inputs, including a disturbance input
• Obtain the root-locus for typical open-loop transfer functions
• Design closed-loop phase-type and PID control systems by root-locus techniques
• Design and implement real-time servo-control systems in laboratory
• Write a technical report about a laboratory design project
• Realize closed loop controllers with analog and digital networks
• Analyze systems using frequency response methods: Bode diagrams
• Maintain a laboratory notebook, either electronically or in paper form

• Obtain a linear dynamic model (state space and transfer function) of physical systems, including electrical, mechanical and electromechanical systems
• Analyze systems for dynamic time-domain response
• Predict system response using analytic and digital simulation methods

• Prerequisite review and assessment (1 class)
• Overview of feedback systems (1 class)
• Electromechanical system modeling review (1 class)
• Time-domain response and performance indices (4 classes)
• Block diagram representation and reduction, Mason’s gain formula (3 classes)
• Control system characteristics; stability analysis via Routh-Hurwitz criterion, steady-state error analysis (4 classes)
• Root-locus analysis (3 classes)
• Root-locus design; phase lead, phase-lag, PID controller designs (5 classes)
• Frequency response analysis (2 classes)
• Reviews and Examinations. (5 classes)

• Introduction to data acquisition and real-time control hardware
• Feedback system simulation
• System modeling using time-domain measurements
• Position feedback control design project
• Error-improving velocity feedback control design project
• Phase-lead compensated position control design (digital controller)
• Phase-lead compensated position control design (analog controller)
• System modeling using frequency response measurements