arXiv:2506.11263cs.ROcs.IT2025-06

自动识别机器人传感器模型,提升定位系统集成效率

Sensor Model Identification via Simultaneous Model Selection and State Variable Determination

  • 通过联合选择模型与确定状态变量,实现传感器建模自动化
  • 引入健康度量检测误判,确保模型选择可靠性
  • 适合初学者及模块化机器人系统快速集成新传感器

本文提出一种无需人工干预的灰箱方法,用于识别机器人定位算法中常用的传感器模型。给定可扩展的预定义传感器模型目录,目标是从未知测量数据的时间序列中确定最可能的传感器模型。传感器模型定义可能需要刚体校准状态和专用参考帧,以基于机器人的定位状态复现测量结果。为此引入健康度量,验证选择结果,检测假阳性并支持可靠决策。第二阶段生成初始校准状态猜测,并评估传感器世界参考帧的必要性。最终识别出的传感器模型及其参数信息被用于参数化和初始化状态估计应用,从而实现新传感器元件更准确、更鲁棒的集成。该方法对不熟悉传感器来源、校准或参考帧的用户尤为有用,也适用于运行时动态增补传感器模态的模块化多智能体与机器人平台。整体旨在简化传感器模态向下游应用的集成,避免定位方法使用与开发中的常见陷阱。

原文摘要 · Abstract (English)

We present a method for the unattended gray-box identification of sensor models commonly used by localization algorithms in the field of robotics. The objective is to determine the most likely sensor model for a time series of unknown measurement data, given an extendable catalog of predefined sensor models. Sensor model definitions may require states for rigid-body calibrations and dedicated reference frames to replicate a measurement based on the robot's localization state. A health metric is introduced, which verifies the outcome of the selection process in order to detect false positives and facilitate reliable decision-making. In a second stage, an initial guess for identified calibration states is generated, and the necessity of sensor world reference frames is evaluated. The identified sensor model with its parameter information is then used to parameterize and initialize a state estimation application, thus ensuring a more accurate and robust integration of new sensor elements. This method is helpful for inexperienced users who want to identify the source and type of a measurement, sensor calibrations, or sensor reference frames. It will also be important in the field of modular multi-agent scenarios and modularized robotic platforms that are augmented by sensor modalities during runtime. Overall, this work aims to provide a simplified integration of sensor modalities to downstream applications and circumvent common pitfalls in the usage and development of localization approaches.

传感器建模定位系统自动化识别模块化机器人

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