humotion

/*

* This file is part of humotion

*

* Copyright(c) sschulz <AT> techfak.uni-bielefeld.de

* http://opensource.cit-ec.de/projects/humotion

*

* This file may be licensed under the terms of the

* GNU Lesser General Public License Version 3 (the ``LGPL''),

* or (at your option) any later version.

*

* Software distributed under the License is distributed

* on an ``AS IS'' basis, WITHOUT WARRANTY OF ANY KIND, either

* express or implied. See the LGPL for the specific language

* governing rights and limitations.

*

* You should have received a copy of the LGPL along with this

* program. If not, go to http://www.gnu.org/licenses/lgpl.html

* or write to the Free Software Foundation, Inc.,

* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.

*

* The development of this software was supported by the

* Excellence Cluster EXC 277 Cognitive Interaction Technology.

* The Excellence Cluster EXC 277 is a grant of the Deutsche

* Forschungsgemeinschaft (DFG) in the context of the German

* Excellence Initiative.

*/

#include "humotion/server/config.h"

using humotion::server::Config;

Config::Config() {

    init_defaults();

}

Config::~Config() {

}

void Config::init_defaults() {

    // saccade detection thresholds:

    // 1) velocity threshold, values above this value trigger an eye saccade

    //    value is given in deg/s

    threshold_velocity_eye_saccade = 15.0;

    // 2) angular threshold, a target change higher than this value will trigger a neck saccade

    //    value is given in deg

    threshold_angle_neck_saccade = 15.0;

    // 3) eyes reaching ocolumotor limits will trigger correction saccade

    //    value given in percent (NOTE: 1.0 = 100%)

    threshold_angle_omr_limit = 0.95;

    // neck motion generation configuration

    // humotion calculates neck velocities based on the linear equation Hmax from

    // [Guitton87] "Gaze control in humans: eye-head coordination during orienting movements ..."

    // In order to allow better adaption to the robot capabilities humotion allows to

    // scale the calculated velocity, value is given in percent (NOTE: 1.0 = 100% human velocity)

    scale_velocity_neck = 0.5;

    // scale acceleration

    scale_acceleration_neck = 0.7;

    // additionally humotion allows to limit the maximum velocity, value is given in deg/s

    limit_velocity_neck = 700.0;

    // limit the maximum acceleration, value is given in deg/s^2

    limit_acceleration_neck = 1000.0;

    // eye motion generation configuration

    // scale the calculated velocity, value is given in percent (NOTE: 1.0 = 100% human velocity)

    scale_velocity_eye = 1.0;

    // scale acceleration

    scale_acceleration_eye = 1.0;

    // additionally humotion allows to limit the maximum velocity, value is given in deg/s

    limit_velocity_eye = 700.0;

    // limit the maximum acceleration, value is given in deg/s^2

    limit_acceleration_eye = 80000;

    // calculate the overall target distance based on neck target instead of using the real neck

    // position

    use_neck_target_instead_of_position_eye = true;

    // parameters fo the breathing pattern

    // healthy adult human: 12-15 breaths/min (see e.g. "Ganong's review of medical physiology")

    // total breathe: 60/12-15 = 3-5s

    // inhale 1.5-2s

    // exhale 1.5-2s

    // pause      2s

    // overall period given in seconds

    breath_period = 4.5;  // = 1.5 + 1.5 + 1.5 for inhale, pause & exhale

    // amplitude given in degrees

    breath_amplitude = 1.0;

    // params for eyelid motion

    // should the eyelids follow the eyeball?

    eyelids_follow_eyemotion = true;

    // parameters for eye blinking

    // duration for one eyeblink, value is given in seconds

    eyeblink_duration = 0.15;

    // occurance of periodic eyeblinks, uniformly distributed over the given range

    // typical values for a human are one blink every 2...10s

    // values are given in seconds

    eyeblink_periodic_distribution_lower = 2.0;

    eyeblink_periodic_distribution_upper = 10.0;

    // probability that one eye saccade causes an eyeblink, value given in percent

    // for humans this is up to 95%, this gets quite annoying on the robot so the default is lower

    eyeblink_probability_after_saccade = 0.33;

    // blocking time where further eyeblinks are suppressed, value given in seconds

    eyeblink_blocked_time = 1.0;

}