Buildings.Controls.OBC.CDL.Integers

Package with blocks for integer variables

Information

Package with blocks for elementary mathematical functions for integer variables.

Package Content

Name	Description
Abs	Output the absolute value of the input
Add	Output the sum of the two inputs
Change	Output whether the Integer input changes values, increases or decreases
Equal	Output y is true, if input u1 is equal to input u2
Greater	Output y is true, if input u1 is greater than input u2
GreaterEqual	Output y is true, if input u1 is greater or equal than input u2
GreaterEqualThreshold	Output y is true, if input u is greater or equal than threshold
GreaterThreshold	Output y is true, if input u is greater than threshold
Less	Output y is true, if input u1 is less than input u2
LessEqual	Output y is true, if input u1 is less or equal than input u2
LessEqualThreshold	Output y is true, if input u is less or equal than threshold
LessThreshold	Output y is true, if input u is less than threshold
Max	Pass through the largest signal
Min	Pass through the smallest signal
MultiSum	Sum of Reals, y = k[1]u[1] + k[2]u[2] + ... + k[n]*u[n]
OnCounter	Increment the output if the input switches to true
Product	Output product of the two inputs
Sources	Package with blocks that generate source signals
Validation	Collection of models that validate the integer blocks of the CDL

Buildings.Controls.OBC.CDL.Integers.Abs

Output the absolute value of the input

Buildings.Controls.OBC.CDL.Integers.Abs

Information

Block that outputs y = abs(u), where u is an Integer input.

Connectors

Type	Name	Description
input IntegerInput	u	Connector of Integer input signals
output IntegerOutput	y	Connector of Integer output signals

Modelica definition

block Abs "Output the absolute value of the input" Interfaces.IntegerInput u "Connector of Integer input signals"; Interfaces.IntegerOutput y "Connector of Integer output signals"; equation y = if u >= 0 then u else -u; end Abs;

Buildings.Controls.OBC.CDL.Integers.Add

Output the sum of the two inputs

Buildings.Controls.OBC.CDL.Integers.Add

Information

Block that outputs y as the weighted sum of the two Integer input signals u1 and u2,

    y = k1*u1 + k2*u2;

where k1 and k2 are Integer parameters.

Parameters

Type	Name	Default	Description
Integer	k1	+1	Gain of upper input
Integer	k2	+1	Gain of lower input

Connectors

Type	Name	Description
input IntegerInput	u1	Connector of Integer input signal 1
input IntegerInput	u2	Connector of Integer input signal 2
output IntegerOutput	y	Connector of Integer output signal

Modelica definition

block Add "Output the sum of the two inputs" parameter Integer k1=+1 "Gain of upper input"; parameter Integer k2=+1 "Gain of lower input"; Interfaces.IntegerInput u1 "Connector of Integer input signal 1"; Interfaces.IntegerInput u2 "Connector of Integer input signal 2"; Interfaces.IntegerOutput y "Connector of Integer output signal"; equation y = k1*u1 + k2*u2; end Add;

Buildings.Controls.OBC.CDL.Integers.Change

Output whether the Integer input changes values, increases or decreases

Buildings.Controls.OBC.CDL.Integers.Change

Information

Block that evaluates the integer input u to check if its value changes.

When the input u changes, the output y will be true, otherwise it will be false.
When the input u increases, the output up will be true, otherwise it will be false.
When the input u decreases, the output down will be true, otherwise it will be false.

Parameters

Type	Name	Default	Description
Boolean	y_start	false	Initial value of y

Connectors

Type	Name	Description
input IntegerInput	u	Connector of Integer input signal
output BooleanOutput	y	Connector of Boolean output signal
output BooleanOutput	up	Connector of Boolean output signal indicating input increase
output BooleanOutput	down	Connector of Boolean output signal indicating input decrease

Modelica definition

block Change "Output whether the Integer input changes values, increases or decreases" parameter Boolean y_start = false "Initial value of y"; Interfaces.IntegerInput u "Connector of Integer input signal"; Interfaces.BooleanOutput y "Connector of Boolean output signal"; Interfaces.BooleanOutput up "Connector of Boolean output signal indicating input increase"; Interfaces.BooleanOutput down "Connector of Boolean output signal indicating input decrease"; protected Integer u_start = 0 "Initial value of input"; initial equation pre(y) = y_start; pre(u) = u_start; equation y = change(u); up = u > pre(u); down = u < pre(u); end Change;

Buildings.Controls.OBC.CDL.Integers.Equal

Output y is true, if input u1 is equal to input u2

Buildings.Controls.OBC.CDL.Integers.Equal

Information

Block that outputs true if the Integer input u1 is equal to the Integer input u2. Otherwise the output is false.

Connectors

Type	Name	Description
input IntegerInput	u1	Connector of first Integer input signal
input IntegerInput	u2	Connector of second Integer input signal
output BooleanOutput	y	Connector of Boolean output signal

Modelica definition

block Equal "Output y is true, if input u1 is equal to input u2" Interfaces.IntegerInput u1 "Connector of first Integer input signal"; Interfaces.IntegerInput u2 "Connector of second Integer input signal"; Interfaces.BooleanOutput y "Connector of Boolean output signal"; equation y = u1 == u2; end Equal;

Buildings.Controls.OBC.CDL.Integers.Greater

Output y is true, if input u1 is greater than input u2

Buildings.Controls.OBC.CDL.Integers.Greater

Information

Block that outputs true if the Integer input u1 is greater than the Integer input u2. Otherwise the output is false.

Connectors

Type	Name	Description
input IntegerInput	u1	Connector of first Integer input signal
input IntegerInput	u2	Connector of second Integer input signal
output BooleanOutput	y	Connector of Boolean output signal

Modelica definition

block Greater "Output y is true, if input u1 is greater than input u2" Interfaces.IntegerInput u1 "Connector of first Integer input signal"; Interfaces.IntegerInput u2 "Connector of second Integer input signal"; Interfaces.BooleanOutput y "Connector of Boolean output signal"; equation y = u1 > u2; end Greater;

Buildings.Controls.OBC.CDL.Integers.GreaterEqual

Output y is true, if input u1 is greater or equal than input u2

Buildings.Controls.OBC.CDL.Integers.GreaterEqual

Information

Block that outputs true if Integer the input u1 is greater than or equal to the Integer input u2. Otherwise the output is false.

Connectors

Type	Name	Description
input IntegerInput	u1	Connector of first Integer input signal
input IntegerInput	u2	Connector of second Integer input signal
output BooleanOutput	y	Connector of Boolean output signal

Modelica definition

block GreaterEqual "Output y is true, if input u1 is greater or equal than input u2" Interfaces.IntegerInput u1 "Connector of first Integer input signal"; Interfaces.IntegerInput u2 "Connector of second Integer input signal"; Interfaces.BooleanOutput y "Connector of Boolean output signal"; equation y = u1 >= u2; end GreaterEqual;

Buildings.Controls.OBC.CDL.Integers.GreaterEqualThreshold

Output y is true, if input u is greater or equal than threshold

Buildings.Controls.OBC.CDL.Integers.GreaterEqualThreshold

Information

Block that outputs true if the Integer input is greater than or equal to the parameter threshold. Otherwise the output is false.

Parameters

Type	Name	Default	Description
Integer	threshold	0	Comparison with respect to threshold

Connectors

Type	Name	Description
input IntegerInput	u	Connector of Integer input signal
output BooleanOutput	y	Connector of Boolean output signal

Modelica definition

block GreaterEqualThreshold "Output y is true, if input u is greater or equal than threshold" parameter Integer threshold=0 "Comparison with respect to threshold"; Interfaces.IntegerInput u "Connector of Integer input signal"; Interfaces.BooleanOutput y "Connector of Boolean output signal"; equation y = u >= threshold; end GreaterEqualThreshold;

Buildings.Controls.OBC.CDL.Integers.GreaterThreshold

Output y is true, if input u is greater than threshold

Buildings.Controls.OBC.CDL.Integers.GreaterThreshold

Information

Block that outputs true if the Integer input is greater than the parameter threshold. Otherwise the output is false.

Parameters

Type	Name	Default	Description
Integer	threshold	0	Comparison with respect to threshold

Connectors

Type	Name	Description
input IntegerInput	u	Connector of Integer input signal
output BooleanOutput	y	Connector of Boolean output signal

Modelica definition

block GreaterThreshold "Output y is true, if input u is greater than threshold" parameter Integer threshold=0 "Comparison with respect to threshold"; Interfaces.IntegerInput u "Connector of Integer input signal"; Interfaces.BooleanOutput y "Connector of Boolean output signal"; equation y = u > threshold; end GreaterThreshold;

Buildings.Controls.OBC.CDL.Integers.Less

Output y is true, if input u1 is less than input u2

Buildings.Controls.OBC.CDL.Integers.Less

Information

Block that outputs true if the Integer input u1 is less than the Integer input u2. Otherwise the output is false.

Connectors

Type	Name	Description
input IntegerInput	u1	Connector of first Integer input signal
input IntegerInput	u2	Connector of second Integer input signal
output BooleanOutput	y	Connector of Boolean output signal

Modelica definition

block Less "Output y is true, if input u1 is less than input u2" Interfaces.IntegerInput u1 "Connector of first Integer input signal"; Interfaces.IntegerInput u2 "Connector of second Integer input signal"; Interfaces.BooleanOutput y "Connector of Boolean output signal"; equation y = u1 < u2; end Less;

Buildings.Controls.OBC.CDL.Integers.LessEqual

Output y is true, if input u1 is less or equal than input u2

Buildings.Controls.OBC.CDL.Integers.LessEqual

Information

Block that outputs true if the Integer input u1 is less than or equal to the Integer input u2. Otherwise the output is false.

Connectors

Type	Name	Description
input IntegerInput	u1	Connector of first Integer input signal
input IntegerInput	u2	Connector of second Integer input signal
output BooleanOutput	y	Connector of Boolean output signal

Modelica definition

block LessEqual "Output y is true, if input u1 is less or equal than input u2" Interfaces.IntegerInput u1 "Connector of first Integer input signal"; Interfaces.IntegerInput u2 "Connector of second Integer input signal"; Interfaces.BooleanOutput y "Connector of Boolean output signal"; equation y = u1 <= u2; end LessEqual;

Buildings.Controls.OBC.CDL.Integers.LessEqualThreshold

Output y is true, if input u is less or equal than threshold

Buildings.Controls.OBC.CDL.Integers.LessEqualThreshold

Information

Block that outputs true if the Integer input is less than or equal to the parameter threshold. Otherwise the output is false.

Parameters

Type	Name	Default	Description
Integer	threshold	0	Comparison with respect to threshold

Connectors

Type	Name	Description
input IntegerInput	u	Connector of Integer input signal
output BooleanOutput	y	Connector of Boolean output signal

Modelica definition

block LessEqualThreshold "Output y is true, if input u is less or equal than threshold" parameter Integer threshold=0 "Comparison with respect to threshold"; Interfaces.IntegerInput u "Connector of Integer input signal"; Interfaces.BooleanOutput y "Connector of Boolean output signal"; equation y = u <= threshold; end LessEqualThreshold;

Buildings.Controls.OBC.CDL.Integers.LessThreshold

Output y is true, if input u is less than threshold

Buildings.Controls.OBC.CDL.Integers.LessThreshold

Information

Block that outputs true if the Integer input is less than the parameter threshold. Otherwise the output is false.

Parameters

Type	Name	Default	Description
Integer	threshold	0	Comparison with respect to threshold

Connectors

Type	Name	Description
input IntegerInput	u	Connector of Integer input signal
output BooleanOutput	y	Connector of Boolean output signal

Modelica definition

block LessThreshold "Output y is true, if input u is less than threshold" parameter Integer threshold=0 "Comparison with respect to threshold"; Interfaces.IntegerInput u "Connector of Integer input signal"; Interfaces.BooleanOutput y "Connector of Boolean output signal"; equation y = u < threshold; end LessThreshold;

Buildings.Controls.OBC.CDL.Integers.Max

Pass through the largest signal

Buildings.Controls.OBC.CDL.Integers.Max

Information

Block that outputs y = max(u1, u2), where u1 and u2 are inputs.

Connectors

Type	Name	Description
input IntegerInput	u1	Connector of Integer input signal 1
input IntegerInput	u2	Connector of Integer input signal 2
output IntegerOutput	y	Connector of Integer output signal

Modelica definition

block Max "Pass through the largest signal" Interfaces.IntegerInput u1 "Connector of Integer input signal 1"; Interfaces.IntegerInput u2 "Connector of Integer input signal 2"; Interfaces.IntegerOutput y "Connector of Integer output signal"; equation y = max(u1, u2); end Max;

Buildings.Controls.OBC.CDL.Integers.Min

Pass through the smallest signal

Buildings.Controls.OBC.CDL.Integers.Min

Information

Block that outputs y = min(u1, u2), where u1 and u2 are inputs.

Connectors

Type	Name	Description
input IntegerInput	u1	Connector of Integer input signal 1
input IntegerInput	u2	Connector of Integer input signal 2
output IntegerOutput	y	Connector of Integer output signal

Modelica definition

block Min "Pass through the smallest signal" Interfaces.IntegerInput u1 "Connector of Integer input signal 1"; Interfaces.IntegerInput u2 "Connector of Integer input signal 2"; Interfaces.IntegerOutput y "Connector of Integer output signal"; equation y = min(u1, u2); end Min;

Buildings.Controls.OBC.CDL.Integers.MultiSum

Sum of Reals, y = k[1]*u[1] + k[2]*u[2] + ... + k[n]*u[n]

Buildings.Controls.OBC.CDL.Integers.MultiSum

Information

Block that outputs

y = ∑_i=1ⁿ k_i u_i,

where k is a parameter with n elements and u is an input of the same length. The dimension of u can be enlarged by drawing an additional connection line. The connection is automatically connected to this new free index.

If no connection to the input connector u is present, the output is y=0.

See Buildings.Controls.OBC.CDL.Integers.Validation.MultiSum for an example.

Parameters

Type	Name	Default	Description
Integer	k[nin]	fill(1, nin)	Input gains

Connectors

Type	Name	Description
input IntegerInput	u[nin]	Connector of Integer input signals
output IntegerOutput	y	Connector of Integer output signal

Modelica definition

block MultiSum "Sum of Reals, y = k[1]*u[1] + k[2]*u[2] + ... + k[n]*u[n]" parameter Integer nin(min=0) = 0 "Number of input connections"; parameter Integer k[nin]=fill(1, nin) "Input gains"; Interfaces.IntegerInput u[nin] "Connector of Integer input signals"; Interfaces.IntegerOutput y "Connector of Integer output signal"; equation if size(u, 1) > 0 then y = k*u; else y = 0; end if; end MultiSum;

Buildings.Controls.OBC.CDL.Integers.OnCounter

Increment the output if the input switches to true

Buildings.Controls.OBC.CDL.Integers.OnCounter

Information

Block that outputs how often the trigger input changed to true since the last invocation of reset.

This block may be used as a counter. Its output y starts at the parameter value y_start. Whenever the input signal trigger changes to true, the output is incremented by 1. When the input reset changes to true, then the output is reset to y = y_start. If both inputs trigger and reset change simultaneously, then the ouput is y = y_start.

Parameters

Type	Name	Default	Description
Integer	y_start	0	Initial and reset value of y if input reset switches to true

Connectors

Type	Name	Description
input BooleanInput	trigger	Boolean input signal
input BooleanInput	reset	Reset the counter
output IntegerOutput	y	Integer output signal

Modelica definition

block OnCounter "Increment the output if the input switches to true" parameter Integer y_start = 0 "Initial and reset value of y if input reset switches to true"; Interfaces.BooleanInput trigger "Boolean input signal"; Interfaces.BooleanInput reset "Reset the counter"; Interfaces.IntegerOutput y "Integer output signal"; initial equation pre(y) = y_start; equation when {trigger, reset} then y = if reset then y_start else pre(y) + 1; end when; end OnCounter;

Buildings.Controls.OBC.CDL.Integers.Product

Output product of the two inputs

Buildings.Controls.OBC.CDL.Integers.Product

Information

Block that outputs y = u1 * u2, where u1 and u2 are Integer inputs.

Connectors

Type	Name	Description
input IntegerInput	u1	Connector of Integer input signal 1
input IntegerInput	u2	Connector of Integer input signal 2
output IntegerOutput	y	Connector of Integer output signal

Modelica definition

block Product "Output product of the two inputs" Interfaces.IntegerInput u1 "Connector of Integer input signal 1"; Interfaces.IntegerInput u2 "Connector of Integer input signal 2"; Interfaces.IntegerOutput y "Connector of Integer output signal"; equation y = u1 * u2; end Product;