AI summary · arXiv: 2102.00702v1 · cs.RO

FEEL: Fast, Energy-Efficient Localization for Autonomous Indoor Vehicles

Vineet Gokhale, Gerardo Moyers Barrera, R. Venkatesha Prasad
Original paper Submitted to arXiv on 01 Feb. 2021 License: CC BY-NC-ND 4.0

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The essentials

  • Autonomous vehicles have gained attention in both outdoor and indoor applications.
  • Automation of processes within a warehouse using Autonomous Indoor Vehicles (AIV) is a notable indoor use-case.
  • AIVs face the challenge of accurately locating themselves within centimeters and milliseconds while being energy-efficient.
  • FEEL is an innovative indoor localization system that uses a fusion of three low-energy sensors: IMU, UWB, and radar.
  • FEEL's software and hardware architecture are detailed in the paper.
  • An Adaptive Sensing Algorithm (ASA) optimizes energy consumption by adjusting sensing frequency based on the environment's dynamics.
  • ASA achieves up to 20% energy savings with minimal trade-offs in accuracy.
  • Performance evaluation shows that FEEL offers exceptional localization accuracy with less than 7cm deviation from ground truth measurements.
  • FEEL exhibits ultra-low latency of approximately 3ms.
  • FEEL is an effective solution for meeting the stringent requirements of AIV localization.

Key points written by AI: they may contain errors, check them against the paper.

AI-generated keywords: Autonomous Indoor Vehicles (AIV) Localization FEEL Adaptive Sensing Algorithm (ASA) Ultra-Wideband

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  • Original abstract
In the field of autonomous vehicles, both outdoor and indoor applications have gained significant attention. One notable indoor use-case is the automation of processes within a warehouse using Autonomous Indoor Vehicles (AIV). These vehicles face the challenge of accurately locating themselves within a few centimeters and milliseconds, all while being energy-efficient. Localization, therefore, becomes a crucial aspect in this context. To address these challenges, this paper introduces FEEL - an innovative indoor localization system that leverages a fusion of three low-energy sensors: IMU (Inertial Measurement Unit), UWB (Ultra-Wideband), and radar. The authors provide comprehensive details regarding the software and hardware architecture of FEEL. Additionally, the paper proposes an Adaptive Sensing Algorithm (ASA) that optimizes energy consumption by adjusting the sensing frequency based on the dynamics of the physical environment. By opportunistically minimizing energy usage, ASA achieves up to 20% energy savings with minimal trade-offs in accuracy. The performance evaluation conducted across diverse test settings demonstrates that FEEL offers exceptional localization accuracy, achieving less than 7cm deviation from ground truth measurements. Moreover, it exhibits ultra-low latency of approximately 3ms. These results highlight FEEL's effectiveness in meeting the stringent requirements for AIV localization. Overall, this research presents FEEL as a fast and energy-efficient solution for indoor vehicle localization. With its fusion of low-energy sensors and adaptive sensing algorithm, it addresses key challenges in achieving precise and timely positioning for autonomous indoor vehicles.

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