Transition from one condition to another with a certain pattern - Simulink

Hi,

I have a switch case block with which I am "enabling" different subsystems which represent different conditions of a system.

During the transition between the different conditions I am getting an abrupt change from one condition to the other while I would like to induce a delay of certain seconds. As an example, in the following picture, the red line represents the result of condition 1 and the yellow line the result of condition 2. I would like to know how it would be possible in Simulink to induce the blue curve behaviour during the transition time at t1 between condition 1 to condition 2.

For now I have written the STEP3 transition function, but I am struggling with making it work in the model. Any help would be greatly appreciated.

Answer 1

[patr chri]

I found the answer, weighing factors can be used! In other words applying a step3 function from 0 to 1 on the starting curve and from 1 to 0 on the target curve.

Answer 2

[Sam Chak]

Hi @patr chri

Mathematically yes, the smooth path of transition can be designed. Here is an example:

Guess you have found the way to "build" the weight factor equations to describe the weights: