Application of Large-Scale Systems Theory in Fire Control Systems

According the to the model of single tank fire control system, this paper makes use of decomposition-coordination theory of large-scale systems to discuss the shooting problem of multiple tank the control systems, and alalyzes specifically the three-tank the control systems and models.the process was imitated in computer, and the optimal shooting element of 3TS system was got. In addition, probability of hitting the target was calculated.

Tank Fire Control Systems Accuracy Assignment Based on Fuzzy Comprehensive Judgment Method

A method of accuracy assignment based on fuzzy comprehensive judgment method (FCJM) in tank fire control system is proposed. From the flowing route of the error sources and their respective correlative signals, the transfer functions of several sources are analysed by means of mathematic simulation, and FCJM is applied to obtain the cost comprehensive factor for each part of system, combining its error sensitivity factor the mathematical model is built to solve the accuracy assignment problem. Simulation result shows the proposed method can help designer of tank fire control system work out an optimal system more efficiently and more economically.

Accuracy Assignment Study of Tank Fire Control System Based on Value Analysis Method

A method of accuracy assignment based on value analysis method （VAM） in tank fire control system （TFCS） is proposed. From the analysis of primary error sources and their error transfer relationships, the mathematical model is built on the basis of VAM to solve the accuracy assignment problem. Simulation results show the validation and feasibility of the proposed method. It can help designer of tank fire control system work out an optimal system more efficiently and more economically.

Intelligent Design and Implementation of Missile Fire Control System

Missile fire control system is the core of ship-based missile weapon system, whose safeguard level has direct relation with the attack ability of naval vessels. After a long period of deep investigation and research, it was found that, in one missile fire control system, there are such problems as single safeguard system, low ratio of cost to efficiency, etc. By adopting intelligent control techniques and many measures to multiple securities, the new type of assistant system is designed, some difficult problems are solved, such as fixed project channel and unitary means of missiles, which can make the equipment carry out combat mission reliably and continuously.

Dimension-contraction transform for the simulation of fire control system of artillery

A fire control system of artillery includes a photo-tracker, a computing subsystem and a servomechanism. The photo-tracker outputs moving characteristics of the target during the tracking process, and basing upon this, the computing subsystem makes the computation and outputs shooting elements, and the servo-mechanism controls this piece of artillery to point to the foregoing position of its target in terms of the latter elements.

Design of No-Steady-Error and Anti-Disturbance Controller for Vehicular Servo Systems

A modified method of design of no-steady-error and anti-disturbance controller is proposed for the design of tank stabilizers. Using a reduced-order observer to estimate its mode, disturbance can be compensated. This enables the system to resist sinusoidal disturbance with any magnitude. Estimate of angular velocity is used as the state feedback to replace the expensive gyro and tachometer generator. The modified method excels the traditional, and provides a new way for the design of tank fire control system. It can also be applied for the design of other servo systems in vehicle and aircraft.

APPLICATION OF DIRECT BTT GUIDANCE LAW BASED ON NONLINEAR INVERSE SYSTEM THEORY TO INTEGRATED FIRE／FLIGHT SYSTEMS（IFFS）

To counter BTT guidance mode, new relative motion equations of the targetaircraft and the attack aircraft are proposed. The inverse system theory of the nonlinearcontrol is used, and the direct BTT-180 guidance command is solved, which can operatethe attack aircraft to automatically complete the flight mission of the preceding stage ofthe terminal weapon delivery, and thus the automatic attack is extended from the stage ofthe terminal weapon delivery to the preceding stage of the terminal weapon delivery.

职业化背景下消防法律问题研究

火灾事故频发既给我国火灾防控带来了巨大挑战,也对我国火灾防控管理法治化提出了更高的要求。针对我国消防部门改革转隶后职业化发展建设仍存在着消防法律体例架构不完备、法律保障机制不健全、法律责任不完善等问题,根据“十四五”消防规划的总体布局要求,通过合理构建消防法律体例布局、健全消防法律内容、完善消防法律责任,推进消防体制职业化改革,构建完善的职业化消防法规体系。

MULTI-FIGHTER COORDINATED MULTI-TARGET ATTACK SYSTEM

A definition of self-determined priority is used in airfight decision firstly. A scheme of grouping the whole fighters is introduced, and the principle of target assignment and fire control is designed. Based on the neutral network, the decision algorithm is derived and the whole coordinated decision system is simulated. Secondly an algorithm for missile-attacking area is described and its calculational result is obtained under initial conditions. Then the attacking of missile is realized by the proportion guidance. Finally, a multi-target attack system. The system includes airfight decision, estimation of missile attack area and calculation of missile attack procedure. A digital simulation demonstrates that the airfight decision algorithm is correct. The methods have important reference values for the study of fire control system of the fourth generation fighter.

利用热网蓄能辅助供热机组调频的控制研究

随着如风电、太阳能等可再生能源的并网,使得火电机组需要进行深度调峰且快速响应调度指令。然而,传统的负荷调节控制方法难以使得机组应对调度指令的频繁变化。火电机组热网包含着大量的管道与热力设备,它们均具有很强的蓄热能力,合理利用其蓄热可在短时间内提升机组负荷响应速度。针对上述问题,对利用热网蓄能辅助供热机组负荷调节进行了研究,并设计了基于调度指令与负荷响应偏差的协调控制系统。仿真结果表明,所设计的协调控制系统能够提高机组负荷响应调度指令的能力,且保证供热压力的稳定。

基于深度置信网络效能拟合的火控系统精度全局敏感性分析

针对当前航空火控系统的精度研究对数据完备性要求较高,且仅能分析系统内单误差源影响因素的问题,提出一种全新的基于深度置信网络(Deep Belief Network,DBN)效能拟合的火控系统精度全局敏感性分析(Global Sensitivity Analysis via Deep Belief Network,GSADBN)算法。从全局敏感性分析算法的优劣点出发,分析传统的全局敏感性分析算法在不完备数据下存在的局限性。利用DBN优异的特征提取能力,并采用无监督训练和有监督微调相结合的算法,搭建并训练火控系统效能拟合模型。研究结果表明:与传统Sobol算法、经典傅里叶振幅敏感性检验(Fourier Amplitude Sensitivity Test,FAST)算法以及最新的基于贝叶斯网络的Sobol(Bayesian Neural Sobol,BNSobol)算法相比,GSADBN算法不仅可以满足精度要求,同时还可以在不完备数据下达到传统算法在完备数据下精度分析的效果;该算法可以在火控系统不完备数据下取得较好的精度分析结果,同时在设计火控系统各模块时,给出精度方面的合理方案,从而为火控系统的设计及作战效能的提高提供参考和理论支撑。

变电所门的设计要点简析

梳理变电所门的主要作用和设置要点;介绍变电所门的常见的“机械锁”和“门禁”两种形式的管理方式;结合气体灭火系统的特点,分别对两种管理方式下变电所的外门和相邻变电所之间双向开启弹簧门的特点进行分析,提出一种验证灭火剂喷射时能否顶开变电所门的公式,并结合气体灭火系统的要求提出合理建议;最后,分析低压柜长度对门设置的影响并提出建议。

美国海军一体化防空火控系统发展研究

美国海军一体化防空火控系统(Naval Integrated Fire Control-Counter Air,NIFC-CA)是一种分布式、网络化的编队防空反导指挥控制系统,其目的是实现超视距远程拦截。随着美军“分布式杀伤”作战思想的不断深入,NIFC-CA能力建设也随之不断完善发展。本文首先对NIFC-CA系统的概念、背景及意义进行深入分析;在此基础上,研究美国海军NIFC-CA系统的作战运用样式;最后,从扩展性、全域性、感知性3个方面,对我军一体化防空提出一些发展建议,为我军海上一体化协同防空作战提供借鉴意义。

基于刚柔耦合模型的某车载高炮火控诸元修正方法研究

针对车载高炮射击时车体姿态对射击精度的影响问题,提出了一种基于刚柔耦合模型修正火炮射击诸元的方法。以某车载高炮为研究对象,通过建立其刚柔耦合模型对车体姿态进行预测,火控系统将获取的射击方向上的车体姿态响应实时分解到沿车头方向和垂直于车头方向,经过纵、横倾及车向反变换后由载车不稳定坐标系转换为载车地理系下,再经滤波与解相遇问题求解得到地理系下的目标诸元,随后将地理系下的目标诸元通过纵、横倾及车向变换后得到载车不稳定系下的火炮射击诸元,从而将修正后的瞄准诸元提供给火炮。为验证修正方法的可行性与适用性,以另一型车载炮为对象进行了试验验证,试验结果表明:经诸元修正后的火炮射击精度得到明显改善,火炮射击初期高低和方位弹丸脱靶量均值分别减小了53.1%和41.3%,修正效果显著,研究可为车载高炮火控射击诸元修正提供一种新思路。

两栖装甲车水上运动仿真平台开发与应用研究

为设计及验证两栖装甲突击车大风浪条件下的火控算法,需要开发其实时仿真平台。传统单刚体车辆动力学模型无法反映车体-炮塔-炮管间复杂的动力学耦合关系,不适合于高动态特性的火控仿真。使用twist-wrench方法建立了车辆的多刚体动力学模型,根据车体与视景中生成的海浪之间的运动关系计算浮力和水动力,水动力系数则事先通过计算流体力学方法得出。以一种滑模控制器为例验证了此系统作为火控算法开发及验证平台的有效性。

基于目标运动方程的引导函数模型

在大惯量武器系统的跟踪瞄准及其系统性能试验中,火控系统的引导控制对实现平稳调炮起到了重要作用。分析了传统引导函数具有形式多样、计算复杂的局限性,提出了一种新的引导函数模型,模型以带参数的多项式为基础,引入了系统姿态角函数、目标运动角函数和引导时间,要求模型的角位置、角速度和角加速度在引导起始时刻与系统姿态角无衔接突变、在引导结束时刻与目标运动角无衔接突变,并以此为条件求解出了模型参数,确定了引导函数形式。通过仿真给出了角度静态调转、目标跟踪、目标动态切换和正弦周期运动四种不同引导需求下的引导效果,仿真结果表明,引导函数的信号很好地实现了角位置、角速度和角加速度的平稳衔接,为大惯量武器系统跟踪瞄准及性能试验时的引导控制提供了有效方法。

基于System C的火控计算机交易级建模

SystemC是一种面向软硬件协同设计、性能测试的编程语言。在介绍火控计算机工作原理、硬件结构和软件算法的基础上,采用SystemC进行火控计算机系统级建模,构建了火控计算机交易级模型,描述了相关模块接口间的调用方法,为生产或更新火控计算机集成电路芯片提供了快速可行的设计与验证方法。

某半敞开式白酒库消防设计探讨

以四川省某白酒厂半敞开式白酒库的室内消防系统为例,结合规范对白酒库中不同尺寸规格金属白酒储罐的消防设计要求,对泡沫灭火系统、消防冷却水系统类型进行合理的选择。室内消火栓系统采用了喷雾消火栓和辅助泡沫消火栓相结合的方式来处理流散火灾。同时在泡沫灭火系统和消防冷却水系统控制方面增加了手动控制面板,减少因误操作对白酒储存带来的损失,对系统可靠性方面做出了一定的提高。

站城一体化工程电气消防系统控制策略分析

根据站城一体化工程的特点和规范要求,从系统架构、管理策略、应急指挥、分期运营等几方面进行分析,阐述站城一体化工程电气消防系统控制的设计难点、要点,并提出相应的解决方案。

南昌市艾溪湖隧道消防及排水系统设计探讨

通过分析各消防系统组合方案特点以及国内外已通车运营的水下隧道消防配置现状,结合城市交通隧道设计案例,得出城市二类水下隧道车行道区域内消防系统采用灭火器+消火栓系统+泡沫-水喷雾灭火系统方案,并阐述了南昌市艾溪湖隧道消防及排水系统设计参数。针对隧道消防及排水实际设计中的几个关键性问题进行探讨,提出了城市二类水下隧道车行道区域内消防系统的推荐配置方案、消火栓箱设置间距确定以及隧道排水原则与要求,可为类似水下隧道工程设计提供经验和参考。