Linear Operators
R2026bThis library contains blocks that simulate continuous-time functions for physical signals.
Simscape Blocks
 | PS Integrator | Integrate physical signal |
 | PS State-Space | Implement linear state-space system (Since R2025a) |
 | PS Transfer Function | Model low-pass and lead-lag filters |
Topics
- Physical Signal Unit Propagation
Physical signal blocks propagate units.
- Upgrading Models with Legacy Physical Signal Blocks
Prior to R2019a, physical signal blocks did not propagate units.
Featured Examples
Nonlinear Inductor
An implementation of a nonlinear inductor where inductance depends on current. A tanh function defines the nonlinear flux-current relationship. The flux saturates for large currents, which can occur, for example, in iron core inductors.
Solenoid
A solenoid with a spring return. The solenoid is modeled as an inductance whose value L depends on the plunger position x. The back emf for a time-varying inductance is given by:
Heat Sink Using PS State-Space Block
Use the PS State-Space block to model a heat sink in air. The heat sink represents rods with distributed masses along their lengths. One end of each rod is fixed to a base and undergoes conduction. Heat conducts along the length of each rod. The length of each rod is also exposed to air and undergoes convection with the air.
