Reduction algorithms simulation 4 Fire extinguishers 3 Heart 3 Heart rate variability 3 Interactive ambulatory psychophysiological assessment 3 Multiple sensors 3 Physiological data 3 Physiological models 3 Regression analysis 3 Simulation 3 Simulation and validation 3 Smart phones 3 Statics and dynamics 3 Trigger algorithms 3 heart rate variability 3 interactive ambulatory psychophysiological assessment 3 stress 3 Optimization 2 Accelerated smoothed gap reduction 1 Algorithm parameters 1 Automated optimization 1 Biomechanics 1 Biophysics 1 Concurrent programs 1 Concurrents programs 1 Constant factors 1 Context-sensitive 1 Control engineering 1 Convergence analysis 1