系统
- 与 系统 相关的网络例句 [注:此内容来源于网络,仅供参考]
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Presents the design of longitudinal control for ASTOVL lift-fan aircraft, a multi-variable, strong-coupling, complicated nonlinear system to make the system nonlinear offset and decouple, and the method used for linear system in designing the system to gain expectant flying qualities and the combination of aerodynamic control surfaces with thrust vectors to delay the control surfaces getting into saturation, and the minimum N-norm generalized inverse theorem of weighted generalized inverse adopted to apportion the moments commands, which make the control surfaces gain appropriate deflection and the simulation results to verify the dynamic inverse control laws designed really make the system nonlinear offset and decouple; when one command is given, only this output will response, and others do not response; when all commands are given together, the responses will be just the linear superpose of the response of each command, therefore the operation of the pilot will be simplified greatly.
摘 要: ASTOVL升力风扇飞机是多变量、强耦合、复杂的非线性系统,采用非线性动态逆理论设计控制律以实现系统的非线性对消及解耦,然后,采用线性系统的设计方法对系统进行设计,以使系统获得期望的飞行品质。同时,考虑到ASTOVL升力风扇飞机是由气动舵面和推力矢量融合作用的,为了延缓各舵面进入饱和的时间,采用加权广义逆中的极小N-范数广义逆定理分配力矩指令,从而使各舵面达到适当的偏转角。并将所设计的控制律进行了仿真,结果验证了所设计的动态逆控制律使系统实现了非线性对消和解耦,单个指令作用时,只有该项响应,其余不受影响;所有指令作用时,其结果就等于单个指令作用时的线性叠加,这样使驾驶员的操纵大大简化而易于控制,从而大大降低了飞行事故率。
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In accordance to the company information system flow transformation, this company provides the ERP system, customer relations management system, the physical distribution management system , the general ledger management system to establish and to induct the service, moreover, also provides the non-profit organization to make a profit enterprise to induct the service.
因应公司资讯化系统流程改造,本公司提供 ERP 系统、客户关系管理系统、物流管理系统、总帐管理系统建置及导入服务,另外,也提供非营利事业组织管理系统导入服务。
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The kernel controller uses industrial PC in the system, using CPLD logic element to combine to the external device, implement the fault testing of the circuit hoard and present the maintenance and repair suggest.
针对某型改装水陆坦克增加的火控系统电路板的信号特点,研制了火控系统电路板检测系统;该系统采用工控PC机为控制核心,利用CPLD的逻辑单元与外部器件相结合,实现电路板的故障检测并提出维修建议;该检测系统经列装部队试用表明,能够满足电路板的实时检测要求,具有良好的军事和经济效益,目前该检测系统已通过技术鉴定。
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An impulsive control scheme of the Lur'e system and several theorems on stability of impulsive control systems was presented, these theorems were then used to find the conditions under which the Lur'e system can be stabilized by using impulsive control with varying impulsive intervals. The parameters of Lur'e system and impulsive control law are given, a theory of impulsive synchronization of two Lur'e system is also presented.
提出了Lur'e系统的脉冲控制系统,利用关于脉冲系统稳定的几个定理,得到了具变化的脉冲区间的Lur'e系统镇定的充分条件;并且给出了Lur'e系统的适当参数与脉冲控制律,使得两个Lur'e系统脉冲同步。
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Empirical Bayes estimates of steady-state availability in exponential distribution model;2. Using vector Markov process theory and Laplace transform method,we obtain the Laplace transform of the reliability,the mean time to first failure,the steady-state availability and the steady-state failure frequency and so.
利用向量Markov过程理论和Laplace变换的方法,求出了系统可靠度的Laplace变换,系统首次故障前平均时间的表达式,系统的稳态可用度和稳态故障频度等可靠性指标;此外,还通过数值比较考察了系统参数对系统稳态可用度的影响,并对系统进行了效益分析。
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The absolute solution of Jiaojia ERP is put forward, the system models are established, and the solution are explained in detail. The business program of Jiaojia gold mine is reengineered based on the theory of "business centers", and the program-oriented compressed organization is framed. The index group and the solution of mine total quality management are setup. Then the optimize program of SCM and its components are designed on the guidance of "Horizontal Integration". The data of Jiaojia gold mine are reengineered based on the data warehouse technology. The information integration can be available after the establish of the business oriented databases, the subject integration oriented data marts, the application oriented data warehouses, the code databases and metadata, as weil as the OLAP system. The mathematics models and data mining modes are set up to function for the decision support of ERP system. The model of programming Master Production Schedule driven by geological resources and marked is figured out, so as to the models for material requirements planning and other decision supports are set up. The models provide service in forms of model storehouse, method storehouse, and algorithm tools center. The agent center is introduced to process the models' organizing, service, as well as self-study. The function system of Jiaojia gold mine ERP is figured out. By combining the development characteristics of Clients/Server and Browse/Server, the general framework and every sub systems are described in detail, including the function, structure, arrangement, modality, and so on.
主要内容如下:(1)深入论述了黄金矿山实施ERP的可行性,并结合应用需求将ERP理论在深度和广度上进行了拓延,建立了黄金矿山ERP系统的理论基础:以资源与市场共同驱动的供应链管理;黄金矿山的双重物流体系;以地质资源有效利用为目标的生产控制体系;黄金矿山财务管理的成本控制核心理论等;(2)提出焦家金矿ERP系统的整体解决方案,构建ERP系统模型,并进行了细节方案的设计:基于"作业过程核心"理论重新规划焦家金矿的业务流程,在此基础上设计面向流程的"扁平化"组织机构;建立了矿石全面质量管理的指标体系和实施方案;以"横向一体化"为指导思想,提出供应链管理各组成部分的全面优化方案;(3)以数据仓库技术为核心完成焦家金矿的数据规划,分别建立面向业务的数据库、面向主题集成的数据集市和面向主题应用的数据仓库,设计代码数据库和元数据库,定义OLAP方式,实现焦家金矿的全面信息集成;(4)针对ERP系统中的决策支持功能,建立了相应的数学模型和数据挖掘模型,提出了地质资源和市场共同驱动的主生产计划模型制定过程,进一步建立了物料需求计划的线性规划模型,以及其它决策支持模型;提出以模型库、方法库和算法工具为核心的模型服务方式,并设计了代理机制完成模型的组织、服务和自学习过程;(5)构建焦家金矿ERP系统的功能体系,针对C/S和B/S模式系统的开发特点,分别对功能体系架构以及各子系统的功能、结构、层次和形式进行详细设计。
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The security of PKI system itself is especially emphasized during the system design and implementation process, which is in accordance with the pervasive characteristic of PKI. Second, the concept of a Trusted Key Management Center is introduced for the first time. This technology greatly strengthens key management practices and allows for smooth transition from PKI to Key Management Infrastructure. Third, certificate status mechanisms are investigated in depth, and a certificate revocation performance simulation system is devised. All these work will provide guides to practice and employment of PKI applications. Based on time constraints, a new taxonomy for authenticated dictionaries is proposed. Fourth, formal analysis ofOCSP protocol is carried out; then an efficient and scalable OCSP system is developed. Fifth, the special requirements caused by the working environments of Wireless PKI are analyzed. Based on communicative hashing and dynamic Merkle hash tree, an efficient certificate status validation method suitable for WPKI is presented. Sixth, one important kind of fair exchange protocols is studied, and a new CEMBS based on RSA cryptosystem is proposed. Afterwards, a novel fair exchange protocol totally based on RSA signature scheme is devised.
在系统设计和实现的过程中,考虑到PKI作为普适性安全基础平台的特点,特别强调PKI系统自身的安全性;第二,首次在PKI系统的设计中提出了"可信密钥管理中心"的概念,这一独特设计大大地强化了密钥管理功能的实施,为PKI向密钥管理基础设施的平滑过渡提供了良好的技术准备;第三,对证书状态验证机制进行了深入研究,设计了证书状态模拟系统,以指导PKI系统和应用的部署和实施;在此基础上,基于时间约束首次给出了认证字典的一种新的分类方法;第四,对OCSP协议进行了形式化分析,设计和实现了一种高效、可扩展的OCSP系统;第五,分析了WPKI工作环境对设计安全基础平台提出的特殊要求,结合无线移动设备的具体特点,基于可交换杂凑函数和动态Merkle杂凑树设计出了一种适用于WPKI环境的高效证书状态查询机制;第六,对一类公平交换协议进行了深入的研究,从设计公平交换协议的密码基础结构出发,提出了一种新型的基于RSA密码体制的高效CEMBS;在此工作的基础上,设计了一种基于RSA密码体制的最优化公平交换协议。
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The security of PKI system itself is especially emphasized during the system design and implementation process, which is in accordance with the pervasive characteristic of PKI. Second, the concept of a Trusted Key Management Center is introduced for the first time. This technology greatly strengthens key management practices and allows for smooth transition from PKI to Key Management Infrastructure . Third, certificate status mechanisms are investigated in depth, and a certificate revocation performance simulation system is devised. All these work will provide guides to practice and employment of PKI applications. Based on time constraints, a new taxonomy for authenticated dictionaries is proposed. Fourth, formal analysis of OCSP protocol is carried out; then an efficient and scalable OCSP system is developed. Fifth, the special requirements caused by the working environments of Wireless PKI are analyzed. Based on communicative hashing and dynamic Merkle hash tree, an efficient certificate status validation method suitable for WPKI is presented. Sixth, one important kind of fair exchange protocols is studied, and a new CEMBS based on RSA cryptosystem is proposed. Afterwards, a novel fair exchange protocol totally based on RSA signature scheme is devised.
在系统设计和实现的过程中,考虑到PKI作为普适性安全基础平台的特点,特别强调PKI系统自身的安全性;第二,首次在PKI系统的设计中提出了"可信密钥管理中心"的概念,这一独特设计大大地强化了密钥管理功能的实施,为PKI向密钥管理基础设施的平滑过渡提供了良好的技术准备;第三,对证书状态验证机制进行了深入研究,设计了证书状态模拟系统,以指导PKI系统和应用的部署和实施;在此基础上,基于时间约束首次给出了认证字典的一种新的分类方法;第四,对OCSP协议进行了形式化分析,设计和实现了一种高效、可扩展的OCSP系统;第五,分析了WPKI工作环境对设计安全基础平台提出的特殊要求,结合无线移动设备的具体特点,基于可交换杂凑函数和动态Merkle杂凑树设计出了一种适用于WPKI环境的高效证书状态查询机制;第六,对一类公平交换协议进行了深入的研究,从设计公平交换协议的密码基础结构出发,提出了一种新型的基于RSA密码体制的高效CEMBS;在此工作的基础上,设计了一种基于RSA密码体制的最优化公平交换协议。
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There is a typical non-conservative system called accompanying force system, in which the force changes with the deformati.
有一类典型的非保守系统,作用于系统的非保守力随物体的变形而变化,这种系统称为"伴生力"系统,本文研究的非保守系统特指"伴生力"系统。
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Hereunder, or for any claim of any kind as to any System or Systemcomponents delivered or for nondelivery of such System or components,regardless of the form of the action, in an amount greater than theis made.In no event shall Seller be liable for any loss of profits, loss of
买方同意,如果买方就所交付的任何系统或系统组件提出任何一种索赔,或就未能交付该等系统或系统组件提出索赔,卖方在任何情况下均不承担金额超过对其提出该等索赔的系统或系统组件购买价的损害赔偿。
- 推荐网络例句
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However, as the name(read-only memory)implies, CD disks cannot be written onorchanged in any way.
然而,正如其名字所指出的那样,CD盘不能写,也不能用任何方式改变其内容。
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Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.
镀锌钢托盘多用于出口,替代木托盘,免薰蒸,符合欧盟、北美各国对出口货物包装材料的法令要求;喷涂钢托盘适用于重载上货架之用,托盘表面根据需要制作成平板状、波纹状及间隔形式,满足不同的使用要求。
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A single payment file can be uploaded from an ERP system to effect all pan-China RMB payments and overseas payments in all currencies.
付款指令文件可从您的 ERP 系统上传到我们的电子银行系统来只是国内及对海外各种币种付款。