Nonlinear Programming-Based Robot Motion Planning for Automatic Gait Measurement of a Passing Pedestrian in Corridors

Nonlinear Programming-Based Robot Motion Planning for Automatic Gait Measurement of a Passing Pedestrian in Corridors

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Patrol robots in hospital wards are expected not only to ensure the safety of their movements, but sukin body lotion woolworths also to perform gait measurement as part of their monitoring functions.In this study, we present a system that enables a patrol robot to perform a 5-meter walk test (5mWT) on passing pedestrians in a corridor.The pedestrian’s position and velocity are measured sequentially, and the robot’s trajectory is generated based on the results using a nonlinear programming method, followed by Model Predictive Control tracking.This allows for adaptive gait measurement during passing interactions, taking into account arbitrary pedestrian trajectories.Furthermore, a parameter estimation method tailored to the characteristics of the acquired data, namely whole-body, continuous and multi-view measurements, is proposed.

Through simulation and experiments, we confirmed the feasibility of the measurement operation and accuracy of the derived gait parameters.The proposed method can not only be used anywhere, but also measure gait over a long distance with high accuracy using a single sensor.Moreover, 30x24x24 wall cabinet it could contribute to the realization of gait measurement without pedestrian’s tension.