Abstract: The field vehicle in-the-loop simulation test system combines the real dynamics of real vehicle testing with virtual scene simulation technology, which is characterized by high test realism, diversified test scenarios and high test safety. This paper firstly introduces the field vehicle in-theloop simulation test system and its sub-system composition, secondly proposes a detailed design for the bus data injection subsystem, and then builds a vehicle field in-the-loop simulation test system based on this design, carries out the field real-vehicle test and the simulation scenario test, and finally carries out the comparative analysis of the test data, which verifies the high realism and high reproducibility of the test system. In the article, an optimized design of the bus data injection subsystem is provided to ensure that the system improves the scalability and portability of the whole test system under the premise of maintaining a high degree of realism and high reproducibility, which provides an important reference for the future industry to develop a field vehicle inthe-loop simulation test system.

Key words: Field vehicle-in-the-loop system; Simulation test; Real dynamics; Bus injection technology

摘要： 场地整车在环仿真测试系统结合了实车测试真实的动力学与虚拟场景仿真技术，具有 测试真实度高、测试场景多样化、测试安全性高的特点。文章首先介绍了场地整车在环仿真 测试系统和其子系统的构成，其次对总线数据注入子系统提出了详细设计，然后基于此设计 搭建出了一套整车场地在环仿真测试系统，并进行了场地实车测试和仿真场景测试，最后对 测试数据进行了对比分析，验证了测试系统的真实性高和可重复度高的特点。文章中对总线 数据注入子系统提供了优化设计，确保系统在保持高真实度和高复现性的前提下，提升整个 测试系统的可扩展性和可移植性，为未来行业研发场地整车在环仿真测试系统提供了重要的 参考意义。

关键词: 场地整车在环系统；仿真测试；真实动力学；总线注入技术