20-Bio-A2 Process Dynamics and Control
Worked solutions to 4 past sittings (2017–2019), 32 questions. Pick a sitting, or start from a topic below.
Topics across the sittings
Topics that come up in more than one sitting, taken from the headings of our worked solutions. A topic counts once per sitting.
- Bode Plot (3 sittings): December 2019 Q6 · May 2018 Q1 · Undated paper Q8
- Transfer Function (3 sittings): December 2019 Q2 · May 2017 Q2 · Undated paper Q4
- Routh Stability (2 sittings): December 2019 Q8 · Undated paper Q5
- Stability (2 sittings): May 2018 Q7 · May 2017 Q6
- Step Response (2 sittings): May 2018 Q4 · May 2017 Q2
Questions by sitting
December 2019
- Question 1: Overshoot and Inverse-Response Conditions for a Lead/Lag Process
- Question 2: Transfer Function and Step Response From a State-Space Model
- Question 3: Thermocouple Response to a Triangular Bath-Temperature Pulse
- Question 4: Internal Model Control of a Dead-Time-Dominant Process
- Question 5: Nyquist Stability of a Proportionally-Controlled Open-Loop-Unstable Process
- Question 6: Bode Plot and Gain-Margin Design for a Dead-Time-Plus-Lag Process
- Question 7: Step and Impulse Response of a Linear Draining Tank
- Question 8: Routh Stability and Closed-Loop Step Response of a PI-Controlled First-Order Process
May 2018
- Question 1: Bode Plot and Exact Phase Margin of a Lightly-Damped Second-Order System
- Question 2: Closed-Loop Stability With a Non-Minimum-Phase Level Sensor
- Question 3: Phase Margin, Gain Margin and Maximum Stable Gain for a Dead-Time Process
- Question 4: Step Response and Overshoot Condition for a Process With an Adjustable Zero
- Question 5: Linearization of a Radiative Calrod Heating Element
- Question 6: Internal Model Control of a Dead-Time-Dominant Process
- Question 7: Stability and Step Response of a PI-Controlled First-Order Process
- Question 8: Linearization of a Nonlinear (Second-Order-Reaction) CSTR
May 2017
- Question 1: Digital (Sampled-Data) Proportional Control of a Heated Tank
- Question 2: State-Space Model — Transfer Function and Step Response
- Question 3: IMC Design for a Non-Minimum-Phase Dead-Time Process
- Question 4: Nyquist Stability of an Open-Loop-Unstable First-Order Process
- Question 5: Maximum Stabilising Gain for a Triple-Lag Loop, With and Without Sensor Delay
- Question 6: Second-Order ODE — Standard Form, Stability and Damping
- Question 7: Second-Order-Reaction CSTR — Nonlinear Model, Steady State and Linearised Transfer Function
- Question 8: Bode Diagram and Gain-Margin Design for an FOPDT Loop
Undated paper
- Question 1: Overshoot Condition for a Lead-Zero Second-Order Process
- Question 2: Nyquist Stability of a Proportionally-Controlled Open-Loop-Unstable Process
- Question 3: Linear vs. Nonlinear-Valve Draining-Tank Dynamics
- Question 4: Transfer Function and Step Response from a State-Space Model
- Question 5: Routh Stability and Step Response of a PI-Controlled Unstable Process
- Question 6: Inverse Laplace Transforms with Time Delay
- Question 7: Internal Model Control Design for a Dead-Time-Dominant Process
- Question 8: Bode Plot and Gain-Margin Design for a Dead-Time-Plus-Lag Process