THE INTERACTIVE ENGINEERING LAB

Understand dynamic systems.
See them move.

Change the model. Run the simulation. See exactly how every parameter affects the response.

Start simulation Explore systems

Real numerical models Built for understanding

01 / MECHANICAL SYSTEMSFree response

LIVE MODELSI units · schematic scale

Positive displacement →t = 0 s

m = 2 kgb = 3 N·s/mk = 20 N/mRK4 · 100 Hz

FROM EQUATION TO INTUITIONSystem dynamicsControl theoryMechanical vibrationsMechatronics

YOUR NEXT EXPERIMENT

One change. A new understanding.

Start with the fundamentals. Follow the motion, then ask why.

Change a parameter

Adjust mass, damping or stiffness. Make a prediction.

See the response

Watch the physical system and its graph move together.

Compare and discover

Keep a baseline. Overlay your next run and see what changed.

Browse the system library

THE SYSTEM LIBRARY

Start with a system that moves you.

MechanicalOrder 2 · Foundation

Mass–Spring–Damper

Discover how inertia, restoring force and energy dissipation shape motion.

DampingNatural frequency

Start lab

ControlOrder 4 · Advanced

Inverted Pendulum

Balance an unstable system. Connect feedback force, cart motion and pendulum angle.

InstabilityLinearization

Start lab

MechanicalOrder 4 · Intermediate

Quarter-Car Suspension

Explore the tradeoff between body comfort, suspension travel and tire deflection.

Coupled modesRide comfort

Start lab

ElectricalOrder 3 · Intermediate

DC Motor

See voltage become current, torque and shaft rotation.

Back EMFElectromechanical coupling

Start lab

Understand dynamic systems.See them move.

One change. A new understanding.

Change a parameter

See the response

Compare and discover

Start with a system that moves you.

Mass–Spring–Damper

Inverted Pendulum

Quarter-Car Suspension

DC Motor

Understand dynamic systems.
See them move.