Title :
Maneuvering target tracking by using particle filter
Author :
Ikoma, Norikazu ; Ichimura, Naoyuki ; Higuchi, Tomoyuki ; Maeda, Hiroshi
Author_Institution :
Fac. of Eng., Kyushu Inst. of Technol., Kitakyushu, Japan
Abstract :
The aim of this research is to track a maneuvering target, e.g. a ship, an aircraft, and so on. We use a state-space representation to model this situation. The dynamics of the target is represented by a system model, firstly in continuous time, though a discretized system model is actually to be used in practice. The position of the target is measured by radar, and this process is described by a nonlinear observation model in polar coordinates. To follow abrupt changes in the target´s motion due to sudden operations of the acceleration pedal, braking and steering, we propose the use of heavy-tailed non-Gaussian distribution for the system noise. Consequently, the model we use is a nonlinear non-Gaussian state-space model. A particle filter is used to estimate the target state of the nonlinear non-Gaussian model. The usefulness of the method is shown by simulation
Keywords :
continuous time filters; discrete time filters; dynamics; noise; nonlinear estimation; nonlinear filters; position measurement; probability; radar tracking; simulation; state estimation; state-space methods; target tracking; abrupt motion changes; acceleration pedal; braking; continuous-time system; discretized system model; heavy-tailed nonGaussian distribution; maneuvering target tracking; nonlinear nonGaussian state-space model; nonlinear observation model; particle filter; polar coordinates; radar; simulation; state-space representation; steering; sudden operations; system noise; target dynamics; target position measurement; Acceleration; Aircraft; Coordinate measuring machines; Marine vehicles; Nonlinear dynamical systems; Particle filters; Position measurement; Radar measurements; Radar tracking; Target tracking;
Conference_Titel :
IFSA World Congress and 20th NAFIPS International Conference, 2001. Joint 9th
Conference_Location :
Vancouver, BC
Print_ISBN :
0-7803-7078-3
DOI :
10.1109/NAFIPS.2001.944415