MultiSwitch
Set Integer expression that is associated with the first active input signal
Library
Modelica/Blocks/MathInteger
Description
This block has a vector of Boolean input signals u[nu] and a vector of(time varying) Integer expressions expr[nu]. The output signal y isset to expr[i], if i is the first element in the input vector u that is true. If all input signals arefalse, y is set to parameter "y_default" or the last value is kept, if use_pre_as_default = true.
// Conceptual equation (not valid Modelica)i = 'first element of u[:] that is true';y = if i==0 then (if use_pre_as_default then pre(y) else y_default) else expr[i];
The input connector is a vector of Boolean input signals.When a connection line is drawn, the dimension of the inputvector is enlarged by one and the connection is automaticallyconnected to this new free index (thanks to theconnectorSizing annotation).
The usage is demonstrated, e.g., in exampleModelica.Blocks.Examples.IntegerNetwork1.
Parameters
| Name | Label | Description | Data Type | Valid Values |
|---|---|---|---|---|
mo_expr | expr | y = if u[i] then expr[i] elseif use_pre_as_default then pre(y) else y_default | Vector | |
mo_y_default | y_default | Default value of output y if use_pre_as_default=false, as well as pre(y) at initial time | Scalar | |
mo_use_pre_as_default | use_pre_as_default | = true, y holds its last value if all u[i]=false, otherwise y=y_default | Scalar | true |
mo_nu | nu | Number of input connections | Scalar |
| Name | Label | Description | Data Type | Valid Values |
|---|---|---|---|---|
mo__nmodifiers | Number of Modifiers | Specifies the number of modifiers | Number | |
mo__modifiers | Modifiers | Add new modifier | Structure | |
mo__modifiers/varname | Variable name | Cell of strings | 'firstActiveIndex' | |
mo__modifiers/attribute | Attribute | Cell of strings | 'start' | |
mo__modifiers/value | Value |
Ports
| Name | Type | Description | IO Type | Number |
|---|---|---|---|---|
u | implicit | Set y = expr[i], if u[i] = true | input | 1 |
y | implicit | Output depending on expression | output | 1 |