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| 1 | 军用飞机PHM技术进展分析及问题研究显示文摘在研究故障预测与健康管理(PHM)技术体系构建、数据采集与运用、系统状态监测与故障预测、验证评估等发展现状的基础上,结合新阶段装备PHM工程应用现状,从装备测试性设计与验证、多源故障信息交互与管理、寿命预测与维修支持、验证评估及标准制定等方面分析军用飞机PHM技术面临的瓶颈问题,并指出应重点开展包括测试性试验技术、智能信息处理与融合技术、航空装备与信息标准化管理技术、数据挖掘与平台构建技术等方面的研究,最后对我国PHM技术的发展给出思考与建议。 | 景博 徐光跃 黄以锋 焦晓璇 梁威 | 2017 | 电子测量与仪器学报2017，31，2： | 36 |
| 2 | 基于多信号流图与分支定界算法的故障诊断显示文摘针对实时在线故障诊断问题,提出了一种基于多信号流图和分支定界算法的故障诊断方法。通过建立多信号流图模型生成相关矩阵作为诊断知识,进而由相关矩阵以及观测向量产生冲突集,使最小诊断集的求解过程映射为整数规划问题;采用分支定界算法,通过对冲突集的分支、定界以及剪支得到故障诊断的最优解,从而避免了穷举问题造成的搜索'爆炸'。以某型机载燃油系统为对象对本文提出的算法进行了验证。结果表明:本文算法与常用的多信号流图诊断推理算法TEAMS-RT相比,算法速度相当,故障定位精度更高,很好地涵盖单故障以及多故障组合,可以胜任大规模复杂系统的故障诊断。 | 梁爽 于劲松 唐荻音 姜杨 | 2016 | 北京航空航天大学学报2016，42，1： | 10 |
| 3 | 机械系统的故障演化测试性建模及预计显示文摘采用部件级及系统级的分层建模思想,提出基于故障演化的测试性建模方法.在部件级,分析系统的故障演化机理,建立描述系统故障与征兆参数的定性相关性矩阵;在系统级,使用键合图的分析方法,建立系统中部件故障与子系统以及系统参数间的能量传递关系,进而获得征兆参数与测试间的动力学关系.在考虑故障可检测率、故障可隔离率的基础上,以故障可预测率以及故障可跟踪率分别描述系统对故障的检测、隔离、预测和跟踪的测试性水平.案例分析结果表明:故障与征兆参数的定性关系以及征兆参数与测试的动力学关系能准确刻画机械系统中故障演化与测试的关系,在此基础上提出的测试性预计方法能够有效评估机械系统对故障的检测、隔离、跟踪和预测能力,有助于提高机械系统对故障演化的跟踪和对失效的预测水平. | 谭晓栋 罗建禄 李庆 邱静 | 2016 | 浙江大学学报(工学版)2016，50，3： | 7 |
| 4 | Test selection and optimization for PHM based on failure evolution mechanism model显示文摘The test selection and optimization(TSO) can improve the abilities of fault diagnosis, prognosis and health-state evaluation for prognostics and health management(PHM) systems. Traditionally, TSO mainly focuses on fault detection and isolation, but they cannot provide an effective guide for the design for testability(DFT) to improve the PHM performance level. To solve the problem, a model of TSO for PHM systems is proposed. Firstly,through integrating the characteristics of fault severity and propagation time, and analyzing the test timing and sensitivity, a testability model based on failure evolution mechanism model(FEMM) for PHM systems is built up. This model describes the fault evolutiontest dependency using the fault-symptom parameter matrix and symptom parameter-test matrix. Secondly, a novel method of inherent testability analysis for PHM systems is developed based on the above information. Having completed the analysis, a TSO model, whose objective is to maximize fault trackability and minimize the test cost, is proposed through inherent testability analysis results, and an adaptive simulated annealing genetic algorithm(ASAGA) is introduced to solve the TSO problem. Finally, a case of a centrifugal pump system is used to verify the feasibility and effectiveness of the proposed models and methods. The results show that the proposed technology is important for PHM systems to select and optimize the test set in order to improve their performance level. | Jing Qiu Xiaodong Tan Guanjun Liu Kehong L | 2013 | Journal of Systems Engineering and Electronics2013，24，5： | 7 |
| 5 | 故障预测与健康管理技术在用电信息采集系统中的应用与展望显示文摘针对用电信息采集系统的设备状态管理和运维保障问题,结合军工行业对故障诊断与健康管理技术(PHM)的应用经验,设计了融合故障预测与健康管理技术的用电信息采集系统。从系统架构、传感网络、故障预测和决策保障等方面对系统应用方案进行了综合分析,为用电信息采集系统建设提供参考。 | 刘兴奇 | 2018 | 电器与能效管理技术2018，，2： | 7 |
| 6 | 测试性设计策略优化与建模的可视化研究显示文摘随着装备复杂性的提高,其测试性设计与建模过程变得繁琐。为简化其过程,进行了测试策略优化与建模的可视化软件设计。在对测试性设计算法进行优化并使用MATLAB进行编程的基础上,结合Python语言中PyQt框架下的GUI设计方法,充分发挥MATLAB矩阵运算迅速与Python界面设计友好的优点,设计了测试性建模可视化软件。该交互界面提供了多测试性设计优化策略的选择与输入接口,通过输入测试矩阵可以快捷、直观的得到测试代价、测试时间、测试过程等信息。以信息熵算法与Rollout算法为例验证了软件的功能性与实用性,该软件对测试性设计决策起着重要辅助作用。 | 王生龙 景博 焦晓璇 潘晋新 李振刚 | 2019 | 电子测量与仪器学报2019，31，12： | 6 |
| 7 | 高速磁悬浮式织针运动控制规律研究显示文摘针对新型针织提花设备工艺,研究磁悬浮式织针在狭小空间内的运动规律,分析电磁-永磁驱动特性,结合悬浮系统结构和驱动性能,建立电磁-永磁驱动模型。阐述悬浮织针的驱动计算模型,包括织针上升、下降成圈过程中运动轨迹的模型分析,以及电磁线圈轴线上的磁场驱动分析。通过设计仿真平台,对成圈阶段的运动轨迹进行仿真,计算织针在变加速条件下,驱动、加速度、速度、功位位移之间的关系,为悬浮式织针精密功位编织提供理论基础及试验模型。 | 朱里 吴晓光 张弛 | 2016 | 针织工业2016，，3： | 3 |
| 8 | Remaining Useful Life Prediction for Aero-Engines Combining Sate Space Model and KF Algorithm显示文摘The key to failure prevention for aero-engine lies in performance prediction and the exhaust gas temperature margin(EGTM)is used as the most important degradation parameter to obtain the operating performance of the aero-engine.Because of the complex environment interference,EGTM always has strong randomness,and the state space based degradation model can identify the noisy observation from the true degradation state,which is more close to the actual situations.Therefore,a state space model based on EGTM is established to describe the degradation path and predict the remaining useful life(RUL).As one of the most effective methods for both linear state estimation and parameter estimation,Kalman filter(KF)is applied.Firstly,with EGTM degradation data,state space model approach is used to set up a state space model for aero-engine.Secondly,RUL of aero-engine is analyzed,and expected RUL and distribution of RUL are determined.Finally,the sate space model and KF algorithm are applied to an example of CFM-56aero-engine.The expected RUL is predicted,and corresponding probability density distribution(PDF)and cumulative distribution function(CDF)are given.The result indicates that the accuracy of RUL prediction reaches 7.76%ahead 580 flight cycles(FC),which is more accurate than linear regression,and therefore shows the validity and rationality of the proposed method. | Cai Jing Zhang Li Dong Ping | 2017 | Transactions of Nanjing University of Aeronautics and Astronautics2017，34，3： | 3 |
| 9 | 装备故障隔离模糊度要求值的确定和优化方法显示文摘从故障隔离率的基本定义和分析出发,针对在装备研制早期,给定故障隔离百分比后,对如何确定和优化对应的故障隔离模糊度问题进行了研究。首先,借助于测试性分析中的多信号流图(multi-signal flow graph,MSFG)及其示例计算结果,结合测试性设计中故障模糊度的不同分布,得到了故障隔离模糊度的完整的度量指标(包括最小值、最大值、均值),以及当前指标的物理意义(单个指标应理解为均值)。在定性分析的条件下,通过典型案例分析,给出了最小值、最大值和均值确定的方法和原则。在定量分析方面,通过装备维修和故障隔离过程分析,建立了故障隔离模糊度的通用优化模型。在模型求解方面,对模型进行了工程应用简化,给出了模型优化解存在的前提条件,通过逻辑和数学分析等手段,结合典型示例给出了模型求解的逐步寻优算法和动态规划算法,应用该模型和算法可以在给定故障隔离百分比的条件下,得到经过优化的故障隔离模糊度的最小值、最大值和均值的精确解。从而在工程应用的背景下,较为圆满地解决了这一问题。 | 吕建伟 谢宗仁 徐一帆 | 2016 | 系统工程与电子技术2016，38，5： | 3 |
| 10 | Reliability evaluation of avionics system with imperfect fault coverage and propagated failure mechanisms显示文摘Fault tolerance designs are essential techniques for systems that require high levels of reliability,such as aircraft or spacecraft control system.Imperfect Fault Coverage(IFC)may lead to the failure of a system or subsystem even with adequate redundancy.Previous studies of IFC mostly concentrated on evaluating Coverage Factor(CF),whereas the system failure behaviors with IFC have rarely been involved.Failures that occur in low-layer may be covered by highlayer.However,if the coverage is imperfect,uncovered failure will have functional and physical impact on the system behavior.In this thesis,the failure behavior and reliability of IFC of multi-layer systems are studied and a Binary Decision Diagram(BDD)-based modeling and simulation method are proposed to evaluate system reliability.As a case,the failure behavior of an aero engine electronic controller with IFC is studied.The results show that the IFC may impact system behavior without taking the IFC into account,the system maintenance intervals may reduce,and thus the maintenance costs will increase. | Ying CHEN Song YANG Rui KANG | 2020 | Chinese Journal of Aeronautics2020，33，12： | 2 |
| 11 | 零传动模式的高速轴向悬浮织针运动控制与试验分析显示文摘针对传统针织圆纬机复杂的机械加工架构及高能耗编织模式,提出利用电磁-永磁悬浮直接驱动织针编织模式,简化传统圆纬机的机械传动结构。在已有工作的基础上,分析电磁力驱动的永磁织针受力模型,揭示多织针轴向悬浮运动的规律,建立悬浮织针轴向驱动模型及控制算法,实现传统圆机的三功位编织工艺并以零传动无损模式高速驱动织针;探索织针阵列悬浮驱动编织的特定方式,为悬浮驱动织针取代传统编织工艺,实现编织工艺的全程可控可调提供理论参考和试验方法指导。 | 吴晓光 朱里 张驰 孔令学 万道玉 | 2016 | 纺织学报2016，37，4： | 2 |
| 12 | 一种面向故障隔离的测试向量优化方法显示文摘为提高基于测试性模型的故障诊断效率、缩短故障隔离时间,提出了一种测试向量的优化方法。针对D矩阵中的每个故障模式的准确检测与隔离需求,给出了其测试向量优化的详细计算步骤,得到综合考虑测试数量最少和计算测试向量时间最短的测试向量。仿真数据和实例数据的实验结果表明,该方法具备计算速度快、优化效果好的特点,适用于大规模D矩阵场合,可有效支撑复杂系统的故障诊断与隔离设计。 | 蒋觉义 李璠 李建宏 | 2018 | 电子技术应用2018，44，9： | 1 |
| 13 | Reliability evaluation of PMS considering coupling effect of functional and physical dependency显示文摘Aviation and aerospace system are typical Phased-Mission Systems(PMSs)featured with varying configuration,phased load condition and cross phase failure correlation.The coupling effect of Functional Dependency(FDEP)and Physical Dependency(PDEP)has a unique influence on the failure behavior of PMS.In this article,the coupling effect is analyzed,and the degradation of components is modeled with the positive drift wiener process,in which the drift coefficient is related to environmental conditions and operation stress.Finally,failure behavior and system reliability are simulated.An avionics controller is studied as a case,with the degradation time distribution model and simulation algorithm,the coupling effect and dynamical system reliability can be achieved.Results show that this modeling method can describe the coupling effects of FDEP and PDEP and their influence on the failure behavior and reliability of the PMS system. | Ying CHEN Qichao MA Rui KANG | 2022 | Chinese Journal of Aeronautics2022，35，2： | 0 |
| 14 | 飞机PHM系统故障诊断能力外场验证模型显示文摘针对目前先进飞机的预测与健康管理系统(PHM)投入使用后尚缺乏系统的外场验证和评价技术手段,提出了基于先验信息的PHM诊断能力外场评估和验证方法。首先利用飞机研制、试验期间PHM系统积累的各LRU(外场可更换单元)的诊断信息,确定LRU和系统的诊断能力指标先验估计值,再利用外场数据对先验分布进行修正,形成后验分布,最后利用后验分布得到系统/分系统的PHM诊断能力参数后验估计值。通过以典型测试性参数以故障检测率和故障隔离率进行实例分析,得到了不同置信度下故障检测率和故障隔离率的置信下限。估算结果表明该方法科学合理,实用性较强,能够满足小样本条件下外场评估的工程实际需要。 | 郭基联 邵帅 虞健飞 | 2016 | 空军工程大学学报(自然科学版)2016，17，3： | 0 |
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