Lab::XPRESS::Sweep::Time - Simple time-controlled repeater
version 3.681
use Lab::Measurement; my $time_sweep = Sweep('Time', { duration => 5 });
Parent: Lab::XPRESS::Sweep
The Lab::XPRESS::Sweep::Time class implements a simple time controlled repeater module in the Lab::XPRESS::Sweep framework.
my $time_sweep = Sweep('Time', { duration => 5, interval => 0.5 });
Instantiates a new Time-Sweep with a duration of 5 seconds and a Measurement interval of 5 seconds. To operate in the stabilization mode make an instant like the following:
my $time_sweep = Sweep('Time', { stabilize => 1, sensor => $DIGITAL_MULTIMETER, std_dev_sensor => 1e-6, stabilize_observation_time => 3*60, duration => 20*60, interval => 0.5 });
duration for the time controlled repeater. Default value is 1, negative values indicate a infinit number of repetitions. In stabilization mode, the duration gives the maximum duration which is waited before the sweep gets interrupted even though the stabilization criterion hasn't been reached yet.
interval in seconds for taking measurement points.
Just an ID.
defines the time in seconds to wait after the starting point has been reached.
Defines the time in seconds to wait after the sweep has been finished. This delay will be executed before an optional backsweep or optional repetitions of the sweep.
1 = Activate stabilization mode. In this mode the sweep will be interrupted when a stabilization criterion is reached or when the duration expires, whatever is reached first. The variable to stabilize on is the value which is returned by the get_value function corresponding to the instrument handle given to the parameter 'sensor'. The stabilization criterion can be set in 'std_dev_sensor' as a number which has the same unit as the variable, that is supposed to stabilize. When the standard deviation of a time series of the stabilization variable falls below 'std_dev_sensor', the sweep ends. The length of the time window, which is used to calculate the standard deviation is given by 'stabilize_observation_time'. The standarad deviation is not being calculated by the sweep, before the time window isn't filled with data completely. Therefore, the sweep will never last less than 'stabilize_observation_time', unless 'duration' < 'stabilize_observation_time'.
0 = Deactivate stabilization mode.
See 'stabilize'.
probably none
This software is copyright (c) 2019 by the Lab::Measurement team; in detail:
Copyright 2012 Stefan Geissler 2013 Andreas K. Huettel, Christian Butschkow, Stefan Geissler 2015 Christian Butschkow 2016 Simon Reinhardt 2017 Andreas K. Huettel
This is free software; you can redistribute it and/or modify it under the same terms as the Perl 5 programming language system itself.
To install Lab::Measurement, copy and paste the appropriate command in to your terminal.
cpanm
cpanm Lab::Measurement
CPAN shell
perl -MCPAN -e shell install Lab::Measurement
For more information on module installation, please visit the detailed CPAN module installation guide.