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arXiv 2602.04799cs.SEcs.RO
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超越控制方程:机器人控制软件实施质量的艺术品研究

Beyond the Control Equations: An Artifact Study of Implementation Quality in Robot Control Software

Ruhr University Bochum(博尔次大学)

Nils Chur, Thorsten Berger, Einar Broch Johnsen, Andrzej Wąsowski

AI总结:

本研究探讨了机器人控制软件实施质量的问题,发现实际实现中存在离散化处理不规范、测试不充分等缺陷,需改进指南与验证技术以提升可靠性。

摘要:

控制器——一个管理硬件行为的软件模块——是典型机器人系统的关键组成部分。尽管控制理论为标准控制器设计提供了安全保证,但控制器在软件中的实际实现引入了往往被忽视的复杂性。控制器通常在连续空间中设计,而软件在离散空间中执行,这削弱了一些理论保证。尽管在控制理论和控制建模方面进行了大量研究,但对控制器实现及其理论保证如何在现实软件系统中得到保障的关注却很少。我们研究了184个开源机器人软件中的实际控制器实现。我们检查了它们的应用环境、实现特征以及用于确保正确性的测试方法。我们发现,实现通常以随意的方式处理离散化,可能导致实时可靠性的潜在问题。挑战包括时间不一致、缺乏适当的错误处理以及对实时约束考虑不足,进一步复杂化了问题。测试实践是肤浅的,没有系统性地验证理论保证,导致预期行为与实际行为之间可能存在不一致。我们的发现突显了改进实现指南和严格验证技术的必要性,以确保机器人控制器在实践中的可靠性和安全性。

英文摘要:

A controller -- a software module managing hardware behavior -- is a key component of a typical robot system. While control theory gives safety guarantees for standard controller designs, the practical implementation of controllers in software introduces complexities that are often overlooked. Controllers are often designed in continuous space, while the software is executed in discrete space, undermining some of the theoretical guarantees. Despite extensive research on control theory and control modeling, little attention has been paid to the implementations of controllers and how their theoretical guarantees are ensured in real-world software systems. We investigate 184 real-world controller implementations in open-source robot software. We examine their application context, the implementation characteristics, and the testing methods employed to ensure correctness. We find that the implementations often handle discretization in an ad hoc manner, leading to potential issues with real-time reliability. Challenges such as timing inconsistencies, lack of proper error handling, and inadequate consideration of real-time constraints further complicate matters. Testing practices are superficial, no systematic verification of theoretical guarantees is used, leaving possible inconsistencies between expected and actual behavior. Our findings highlight the need for improved implementation guidelines and rigorous verification techniques to ensure the reliability and safety of robotic controllers in practice.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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