Stair Generator

(To be removed) Generate signal changing at specified transition times

The Specialized Power Systems library will be removed in R2026a. Use the Simscape™ Electrical™ blocks and functions instead. For more information on updating your models, see Upgrade Specialized Power System Models to use Simscape Electrical Blocks.

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Libraries:
Simscape / Electrical / Specialized Power Systems / Sources / Signal Generator Sources

Description

The Stair Generator block generates a signal changing at specified transition times. Use the Stair Generator block to generate a logical signal to control the opening and closing of the Breaker block and the Ideal Switch block. You can also use the Stair Generator block to generate a signal whose amplitude changes by steps at specified transition times.

Characteristics

Sample Time	Specified in the Sample Time parameter Continuous if Sample Time = 0
Scalar Expansion	No
Dimensionalized	No
Zero-Crossing Detection	No

Parameters

Time (s) — Transition times

[0, 1, 3, 3.5] (default) | vector of nonnegative scalars

Transition times, in seconds, when the output changes to the values specified in the Amplitude parameter. The output is zero until the simulation reaches the first transition time.

Amplitude — Amplitude sequence of output signal

[1, -1, 2.5, 0] (default) | vector of scalars

Specify the amplitude sequence of the output signal. The amplitude is constant between the transition times specified in the Time (s) parameter. The amplitude of the output is 0 until the simulation reaches the first transition time.

Sample time — Sample time of block

0 (default) | nonnegative scalar

Specify the sample time of the block, in seconds. Set to 0 to implement a continuous block.

Extended Capabilities

C/C++ Code Generation
Generate C and C++ code using Simulink® Coder™.

Version History

Introduced in R2013a