Reinforcement Learning for Angle-Only Intercept Guidance of Maneuvering Targets

Fuente: arXiv
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Main Authors: Gaudet, Brian, Furfaro, Roberto, Linares, Richard
Format: Preprint
Published: 2019
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author Gaudet, Brian
Furfaro, Roberto
Linares, Richard
author_facet Gaudet, Brian
Furfaro, Roberto
Linares, Richard
contents We present a novel guidance law that uses observations consisting solely of seeker line of sight angle measurements and their rate of change. The policy is optimized using reinforcement meta-learning and demonstrated in a simulated terminal phase of a mid-course exo-atmospheric interception. Importantly, the guidance law does not require range estimation, making it particularly suitable for passive seekers. The optimized policy maps stabilized seeker line of sight angles and their rate of change directly to commanded thrust for the missile's divert thrusters. The use of reinforcement meta-learning allows the optimized policy to adapt to target acceleration, and we demonstrate that the policy performs as well as augmented zero-effort miss guidance with perfect target acceleration knowledge. The optimized policy is computationally efficient and requires minimal memory, and should be compatible with today's flight processors.
format Preprint
id arxiv_https___arxiv_org_abs_1906_02113
institution arXiv
publishDate 2019
record_format arxiv
spellingShingle Reinforcement Learning for Angle-Only Intercept Guidance of Maneuvering Targets
Gaudet, Brian
Furfaro, Roberto
Linares, Richard
Systems and Control
We present a novel guidance law that uses observations consisting solely of seeker line of sight angle measurements and their rate of change. The policy is optimized using reinforcement meta-learning and demonstrated in a simulated terminal phase of a mid-course exo-atmospheric interception. Importantly, the guidance law does not require range estimation, making it particularly suitable for passive seekers. The optimized policy maps stabilized seeker line of sight angles and their rate of change directly to commanded thrust for the missile's divert thrusters. The use of reinforcement meta-learning allows the optimized policy to adapt to target acceleration, and we demonstrate that the policy performs as well as augmented zero-effort miss guidance with perfect target acceleration knowledge. The optimized policy is computationally efficient and requires minimal memory, and should be compatible with today's flight processors.
title Reinforcement Learning for Angle-Only Intercept Guidance of Maneuvering Targets
topic Systems and Control
url https://arxiv.org/abs/1906.02113