CZ-5号运载火箭电气系统可靠性设计与管理

Mao Li; Luliang Lou; Dong Li; Hao Zhou; Yuhong Dong

doi:10.1088/3050-2454/ae0b71

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CZ-5号运载火箭电气系统可靠性设计与管理

Special Issue Article | 更新时间：2026-02-13

- CZ-5号运载火箭电气系统可靠性设计与管理
- Reliability design and management in CZ-5 launch vehicle electrical system
- 可靠性科学与工程学报（英文） 2025年第4期页码：1-9
- 作者机构：
  
  Beijing Institute of Astronautical Systems Engineering, Beijing 100076, People's Republic of China
  China Academy of Launch Vehicle Technology, Beijing 100076, People's Republic of China
- 作者简介：
  
  [ "Mao Li, Senior Engineer, is engaged in the design of electrical systems for launch vehicles at Beijing Aerospace Systems Research Institute." ]
  [ "Luliang Lou, PhD, graduated from Tsinghua University and now works as a Launch Vehicle designer." ]
  [ "Dong Li graduated from Beihang University and now is the chief designer of carrier rockets and an academician of the Chinese Academy of Engineering." ]
  [ "Hao Zhou, Engineer, is engaged in the design of electrical systems for launch vehicles at Beijing Aerospace Systems Research Institute." ]
  [ "Yuhong Dong, Senior Engineer, is engaged in the design of electrical systems for launch vehicles at Beijing Aerospace Systems Research Institute." ]
- 基金信息：
- DOI：10.1088/3050-2454/ae0b71
  中图分类号：
- 收稿：2025-07-02，
  
  修回：2025-08-23，
  
  录用：2025-09-23，
  
  网络首发：2025-10-17，
  
  纸质出版：2025
- 稿件说明：
移动端阅览
Mao Li, Luliang Lou, Dong Li, 等. CZ-5号运载火箭电气系统可靠性设计与管理[J]. 可靠性科学与工程学报（英文）, 2025,(4):1-9.

Mao Li, Luliang Lou, Dong Li, et al. Reliability design and management in CZ-5 launch vehicle electrical system[J]. Journal of Reliability Science and Engineering, 2025, (4): 1-9.
Mao Li, Luliang Lou, Dong Li, 等. CZ-5号运载火箭电气系统可靠性设计与管理[J]. 可靠性科学与工程学报（英文）, 2025,(4):1-9. DOI： 10.1088/3050-2454/ae0b71.

Mao Li, Luliang Lou, Dong Li, et al. Reliability design and management in CZ-5 launch vehicle electrical system[J]. Journal of Reliability Science and Engineering, 2025, (4): 1-9. DOI： 10.1088/3050-2454/ae0b71.

摘要

长征五号系列运载火箭作为推动中国迈向航天强国的重要支撑与里程碑，在我国航天事业发展中占据着关键地位（Li et al，2017，Missiles Space Veh. 1-5）。作为其核心组成之一，电气系统在研制过程中开展了大量可靠性设计与验证工作。本文首先概述了长征五号运载火箭的基本特征及其电气系统的组成结构，随后系统回顾了电气系统在潜在故障工况下所采用的系统级冗余与容错设计，以及纳入可靠性体系中的安全性设计方案；同时，对相关验证要素进行了综合梳理。通过在系统层面实施系统化的冗余策略，并结合覆盖全链路的综合验证，可显著提升运载火箭的整体可靠性。该研究思路体现了以可靠性为牵引的工程理念贯穿于全生命周期研制过程之中。

Abstract

The CZ-5 series launch vehicle holds a pivotal position as one of the key enablers and milestones prop

elling China toward a powerful force in spaceflight (Li

et al

2017

Missiles Space Veh.

1–5). Among its integral components

the electrical system has undergone extensive reliability design and verification exercises. Initially

this document presents an overview of the fundamental characteristics of the CZ-5 rocket and the composition of its electrical system. It further reviews the system-level redundancy and fault-tolerant designs

alongside the safety designs included within the electrical system's reliability framework during potential fault scenarios. Moreover

it consolidates the elements of the verification elements. Implementing systematic redundancy strategies at the system level

combined with comprehensive full-link verification

significantly enhances the rocket's reliability. This approach embodies the core principles of reliability-driven engineering throughout the development life cycle.

关键词

Keywords

references

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