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定性仿真

定性仿真的相关文献在1993年到2022年内共计163篇,主要集中在自动化技术、计算机技术、系统科学、电工技术 等领域,其中期刊论文99篇、会议论文33篇、专利文献97585篇;相关期刊54种,包括中国科学技术大学学报、中山大学学报(自然科学版)、世界仪表与自动化等; 相关会议27种,包括2012年第14届中国系统仿真技术及其应用学术年会、2011全国仿真技术学术会议、《中国的设计与创新》2011年学术会议等;定性仿真的相关文献由324位作者贡献,包括邵晨曦、白方周、吴重光等。

定性仿真—发文量

期刊论文>

论文:99 占比:0.10%

会议论文>

论文:33 占比:0.03%

专利文献>

论文:97585 占比:99.86%

总计:97717篇

定性仿真—发文趋势图

定性仿真

-研究学者

  • 邵晨曦
  • 白方周
  • 吴重光
  • 胡昌华
  • 张贝克
  • 陈宗海
  • 张毅
  • 张俊涛
  • 张文明
  • 刘怀春
  • 期刊论文
  • 会议论文
  • 专利文献

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    • 赵逸蕊; 唐胜利
    • 摘要: 在定性仿真理论中QSIM理论逻辑清晰简单且适用范围较广,能够根据系统的初始状态推导出可能的后续行为状态.本文将QSIM算法进行了初步改进,结合R语言开发了一个定性仿真程序系统,推导定性行为且构建状态树图形,并提供了一个实例来验证该程序系统.
    • 陆黎梅1
    • 摘要: 结合国际商务谈判的相关研究,应用定性仿真算法对国际商务谈判各方的RSC调适过程进行仿真。仿真过程符合国际商务谈判的实际,能够清晰反映谈判各方关系动态的变化趋势。该定性仿真谈判模型对相关谈判问题有较强的适应性,解决了传统定量仿真中的不确定性问题,为谈判各方预测系统走向,帮助谈判者界定系统参数变化趋势,获得满意的谈判绩效。
    • 陆云松; 王福利; 贾明兴
    • 摘要: 针对引起离心式压缩机排气量不足的原因, 本文提出一种基于定性仿真和模糊知识的诊断方法. 利用压缩机结构原理和故障机理等定性知识建立故障定性模型库, 并推理得到压缩机排气量受不同因素影响时的定性规则库. 对系统变量的观测值利用定性趋势提取和模糊化进行定性化处理. 提出了基于变量定性趋势和模糊定性值约束的滑动窗口加权匹配策略, 并根据匹配结果诊断出导致排气量不足的原因.最后通过两个实例仿真验证了所提方法的有效性.%In order to diagnose the causes of insufficient discharge of centrifugal compressor, a qualitative simulation and fuzzy knowledge based diagnosis method is proposed in this paper. Qualitative models are built according to the qualitative knowledge derived from structure principle and faults mechanism of the centrifugal compressor, and a qualitative rules library is obtained by inference to describe how the discharge flow is influenced by various factors. The online observations of variables are qualitatively processed by qualitative trends extraction and fuzzy approach. A weighted sliding window match strategy based on variables' qualitative trends and fuzzy qualitative value constraint is proposed for qualitative state matching, and the matching results is used to diagnose the reason of insufficient discharge of the compressor. Finally, the effectiveness of the proposed method is verified through simulation of two fault conditions.
    • 钱丽; 陈秀明; 万家华
    • 摘要: 针对目前可靠性复杂软件系统存在的安全性问题,提出基于混沌理论的软件可靠性定量与定性相结合的仿真建模方法.首先,借助非线性混沌定量预测分析方法合理预测软件演变规律;其次,引入基于定量预测分析基础上的定性仿真建模预测分析方法,对定量预测结果进一步验证和推理,挖掘构建软件可靠性混沌建模的内在规律;最后,将QSIM算法应用在软件可靠性建模与预测分析的研究中,并且采用软件可靠性建模与预测评估手段给出软件可靠性度量标准,帮助检验和验证软件的可靠性.该研究成果可为软件可靠性建模提供新的方法和策略,提高软件可靠性建模预测分析的可行性和准确性,并且可以广泛应用到企业软件开发实践中,有助于企业发现影响软件可靠性的各种因素,解决软件安全性问题.
    • 邵晨曦; 孙克律; 邵振中
    • 摘要: 过去多年来兰彻斯特方程已成为计算机作战仿真领域的标准方法,然而该类方法不能充分反映建模中相关变量内在的不确定性。鉴于此,提出了一种基于云定性仿真方法的定性兰彻斯特作战模型,该方法引入正态云的数字特征和云测度指标表示定性路标值,并将云测度指标在约束集合中传播以提高仿真结果的准确性,不仅可以更准确地表征作战模型中相关变量的不确定性,而且扩充了作战应用的适用范围,尤其是在无法或无需对模型相关变量精确量化的情况下,仿真中涉及到如何表征这些不确定性的定性变量时,该方法具有一定优势。最后以经典历史战役为例验证了该方法的正确性与可行性。%During the past many years, Lanchester’s differential equations have been the norm for computer simulations of combat. However, these methods cannot fully reflect the inherent uncertainty of related variables in modeling. In view of this limitation, we propose a Lanchester’s combat models based on cloud qualitative simulation. This method introduces numeric characteristics and cloud measurement index of the normal cloud to represent the qualitative landmarks, and propagate the cloud measurement index within constraint sets to improve the accuracy of simulation results. Consequently, this method allows for a more accurately representation and interpretation of the uncertainty within related variables in modeling, and expands the scope of warfare application. Especially when the relevant variables of the model cannot or need not be quantified precisely involving with the case of representation of qualitative variables with uncertainty, this method has certain advantages. Finally, the examples of classic historical battles demonstrate that this method is a correct and feasible method.
    • 曲忠伟; 颜事龙; 马宏昊
    • 摘要: 预混气体的爆轰波具有典型的胞格结构,主要用烟熏技术记录下爆轰波在管道中由横波、入射波和马赫杆交合的三波点运动轨迹。胞格宽度λ作为胞格的特征长度,爆轰的胞格尺寸也是判断可燃混合气体最基本的特征参数,基于胞格尺寸,爆轰的其他动态参数,如临界管径、爆轰极限和直接起爆的临界能量等都可以通过联立爆轰胞格尺寸得到。爆轰胞格结构在研究预混气体爆轰波传播特性方面意义重大,不同初始条件对胞格尺寸都会产生一定的影响,本文通过定性与定量相结合的建模方式研究分析爆轰胞格尺寸与初始条件的关系,根据与实验数据的定量比较,验证定性仿真的正确性和可行性。%Premixed gas detonation wave has a typical cellular structure,mainly using smoked technolo-gy to record the triple point trajectory of the detonation wave in the pipeline by the shear wave,incident wave and Mach stem intercourse.Detonation cell width λacts as cellular length characteristics,detona-tion cell size also can be used to determine the most basic characteristic parameters of the combustible gas mixture,based on cell size,other detonation dynamic parameters,such as the critical pipeline diameter, detonation limit and direct initiation critical energy and so on all can be obtained through the simultaneous detonation cell size.Detonation cellular structure is of great significance in the study of premixed gas det-onation wave propagation characteristics,different initial conditions will have some impact on the cell size;this paper studies the relationship among detonation cells size and the initial conditions through the combination of qualitative and quantitative modeling,according to the quantitative comparison with the experimental data to verify the correctness and feasibility of qualitative simulation.
    • 李姗; 邓益民
    • 摘要: 概念设计是产品设计过程中最重要的一个阶段,这个阶段的产品信息通常是不精确的、模糊的、不完全的.传统的定量方法无法对其进行建模.使用定性推理方法对其建模仿真,进而对系统的行为进行预测,能为概念设计提供分析、推理和验证方法,能有效提高设计效率.在分析机械产品概念设计特性的基础上,提出使用Kuipers定性推理方法开展概念设计的建模和设计推理并以平面四杆机构为例说明其分析及推理过程,证实了这一方法的有效性.
    • 邹涛; 马齐爽
    • 摘要: 针对线索表法在分析潜通路问题过程中约束条件过多的问题,在人工神经网络分析法的基础上应用网络流仿真进行潜通路分析.根据电路元件的电气特性以及人工神经网络的特点,建立了元件的定性仿真模型,确定电路网络的构成方式.通过网络流仿真模拟电流在电路系统中的扩散过程,预测电路中负载的响应.通过对比电路网络中负载的设计响应以及通过分析预测得到的负载响应,就可以判断出电路网络是否存在潜通路问题,并且找到发生潜通路问题的原因.该方法可以正确预测电路网络中的负载响应,克服了线索表法的缺陷,减少对分析已知条件的要求以及人为因素对分析结果的影响.%To solve the too many constraints problem in sneak circuit analysis of clue table method,network flow simulation was applied in sneak circuit analysis based on the research of artificial neural network(ANN) analysis method.Electrical elements' qualitative simulation models were established and circuit network's composition method was determined,based on electrical and ANN characteristics.The network flow simulation method simulated the current diffusion process and predicted the loads' responses in circuit network.The analysis results showed whether there was sneak circuit problem.Compared the loads' responses between the circuit network design and simulation analysis forecast,the difference was the sneak circuit problem.By using this method,the loads' responses in circuit network can be predicted correctly,the defects of the clue table method can be overcome,the analysis requirements of known conditions and the effects of human factors on the analytical results can be reduced.The sneak circuit problems in real circuit network can be solved effectively by this method.
    • 张玉良; 张贝克; 马昕
    • 摘要: 引言间歇过程广泛存在于工业生产领域,如化工、半导体生产等领域[1].与连续过程相比,间歇过程自动化水平较低,涉及更多的手动操作,容易发生误操作,进而导致灾难性的后果[2].因此预先分析可能发生的误操作导致的后果,有利于工厂有针对性地采取措施,有效避免将导致危害的误操作的发生或降低这些误操作带来的危害.%Mal-operation is one of important factors that lead to disaster in chemical processes. Batch processes with a lower level of automation require many manual operations. These manual operations make increased occurrence of mal-operation possible. Therefore, it is necessary to analyze the effects of mal-operation on the batch process so that protective measures can be effectively taken. To achieve this aim, a novel consequence analysis strategy for mal-operation in the batch processes was proposed. Qualitative models of manual operation, production process, and environment were constructed by using the concept of qualitative simulation. These models could describe the batch process more satisfactorily. Qualitative model of environment and every qualitative model describing the production process, such as a qualitative model of pump or reactor, had the faculty of inference, which enabled these models to update their states and infer whether some hazards would occur by themselves when an operation was being dealt with. A batch process that produced vulcanization accelerator called M was modeled, and three wrong operating procedures were analyzed. The results showed that not only adverse consequences but also evolution of abnormal states in the batch process caused by mal-operation could be analyzed by using the proposed method.
    • 王洪利
    • 摘要: 文章针对复杂系统仿真中不确定性变量不能有效表示的关键问题,提出了一种基于群体决策和云模型的不确定性变量半定量化方法。首先综述了已有半定量化方法和云模型的基本概念;然后提出基于云模型的不确定性变量的半定量化方法,分别对群体专家给出的评估判断为具体值和区间值两种情况,给出了从群体专家判断到半定量化的云模型数字特征构建的理论和方法。
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