Condition_Linear class

Contents

Description

This is a sub-class of the Condition class for the implementation of Linear conditions.

In a given time t, a linear condition value y is obtained as:

$$y(t) = y_{0} + s \times (t-t_{0})$$

Where:

$y_{0}$: Value at initial time

$s$: Time rate of change

$t_{0}$: Initial time (when condition is activated)

classdef Condition_Linear < Condition

Public properties

    properties (SetAccess = public, GetAccess = public)
        init_value double = double.empty;   % initial condition value when activated
        slope      double = double.empty;   % rate of change of prescribed condition value
    end

Constructor method

    methods
        function this = Condition_Linear()
            this = this@Condition(Condition.LINEAR);
            this.setDefaultProps();
        end
    end

Public methods: implementation of super-class declarations

    methods
        %------------------------------------------------------------------
        function setDefaultProps(this)
            this.init_value = 0;
            this.slope      = 0;
        end

        %------------------------------------------------------------------
        function val = getValue(this,time)
            val = deal(this.init_value) + this.slope * (time-this.init_time);
        end
    end

end


Published with MATLAB® R2019b