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humotion / src / server / config.cpp @ 25400c71

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/*
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* This file is part of humotion
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*
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* Copyright(c) sschulz <AT> techfak.uni-bielefeld.de
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* http://opensource.cit-ec.de/projects/humotion
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*
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* This file may be licensed under the terms of the
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* GNU Lesser General Public License Version 3 (the ``LGPL''),
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* or (at your option) any later version.
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*
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* Software distributed under the License is distributed
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* on an ``AS IS'' basis, WITHOUT WARRANTY OF ANY KIND, either
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* express or implied. See the LGPL for the specific language
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* governing rights and limitations.
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*
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* You should have received a copy of the LGPL along with this
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* program. If not, go to http://www.gnu.org/licenses/lgpl.html
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* or write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* The development of this software was supported by the
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* Excellence Cluster EXC 277 Cognitive Interaction Technology.
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* The Excellence Cluster EXC 277 is a grant of the Deutsche
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* Forschungsgemeinschaft (DFG) in the context of the German
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* Excellence Initiative.
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*/
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#include "humotion/server/config.h"
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using humotion::server::Config;
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Config::Config() {
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    init_defaults();
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}
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Config::~Config() {
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}
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void Config::init_defaults() {
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    // saccade detection thresholds:
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    // 1) velocity threshold, values above this value trigger an eye saccade
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    //    value is given in deg/s
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    threshold_velocity_eye_saccade = 15.0;
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    // 2) angular threshold, a target change higher than this value will trigger a neck saccade
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    //    value is given in deg
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    threshold_angle_neck_saccade = 15.0;
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    // 3) eyes reaching ocolumotor limits will trigger correction saccade
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    //    value given in percent (NOTE: 1.0 = 100%)
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    threshold_angle_omr_limit = 0.95;
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    // neck motion generation configuration
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    // humotion calculates neck velocities based on the linear equation Hmax from
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    // [Guitton87] "Gaze control in humans: eye-head coordination during orienting movements ..."
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    // In order to allow better adaption to the robot capabilities humotion allows to
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    // scale the calculated velocity, value is given in percent (NOTE: 1.0 = 100% human velocity)
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    scale_velocity_neck = 0.5;
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    // scale acceleration
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    scale_acceleration_neck = 0.7;
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    // additionally humotion allows to limit the maximum velocity, value is given in deg/s
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    limit_velocity_neck = 700.0;
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    // limit the maximum acceleration, value is given in deg/s^2
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    limit_acceleration_neck = 1000.0;
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    // eye motion generation configuration
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    // scale the calculated velocity, value is given in percent (NOTE: 1.0 = 100% human velocity)
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    scale_velocity_eye = 1.0;
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    // scale acceleration
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    scale_acceleration_eye = 1.0;
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    // additionally humotion allows to limit the maximum velocity, value is given in deg/s
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    limit_velocity_eye = 700.0;
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    // limit the maximum acceleration, value is given in deg/s^2
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    limit_acceleration_eye = 80000;
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    // parameters fo the breathing pattern
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    // healthy adult human: 12-15 breaths/min (see e.g. "Ganong's review of medical physiology")
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    // total breathe: 60/12-15 = 3-5s
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    // inhale 1.5-2s
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    // exhale 1.5-2s
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    // pause      2s
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    // overall period given in seconds
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    breath_period = 4.5;  // = 1.5 + 1.5 + 1.5 for inhale, pause & exhale
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    // amplitude given in degrees
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    breath_amplitude = 1.0;
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    // parameters for eye blinking
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    // duration for one eyeblink, value is given in seconds
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    eyeblink_duration = 0.15;
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    // occurance of periodic eyeblinks, uniformly distributed over the given range
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    // typical values for a human are one blink every 2...10s
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    // values are given in seconds
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    eyeblink_periodic_distribution_lower = 2.0;
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    eyeblink_periodic_distribution_upper = 10.0;
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    // probability that one eye saccade causes an eyeblink, value given in percent
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    // for humans this is up to 95%, this gets quite annoying on the robot so the default is lower
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    eyeblink_probability_after_saccade = 0.33;
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    // blocking time where further eyeblinks are suppressed, value given in seconds
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    eyeblink_blocked_time = 1.0;
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}