Object-oriented Design of the Intelligent Decision-making System of Rocket Safety Controlling

Because of systemic error in measurement and trajectory track, precision of trajectory parameter is not high and it results in false alarms in the traditional systems. The intelligent decision-making system of rocket safe controlling is built by using object-oriented method. First, the authors analyze and design rocket safety controlling architecture. Then, we study about knowledge expressing and knowledge database by object-oriented technique for the rocket safety controlling. At last, inference procession of the system is discussed. Intelligent decision-making system of rocket safety controlling is accurate, extensible and flexible.     

Technologies of Intelligent Vehicle in Intelligent Transportation System (ITS)

Intelligent Transportation System (ITS) is the most effective method to solve the modern traffic problems. Intelligent vehicle plays a very important role on ITS, and it influences the success of ITS directly. Intelligent Transportation System (ITS) is briefly introduced. Then it is given that advanced vehicle control system and electrics stability program (ESP) in the key technology of intelligent transportation system. The control algorithm for vehicle movement is discussed and the test result is given.     

Road Following in Vehicle Intelligent Auxiliary Drive System

The problem of computer vision in the vehicle intelligent auxiliary driving system is studied. It discusses the way of image segment based on region growing to follow road and points of its two sides. In this paper, one effective and real time method in highway surface searching and following is presented; it applies the polynomial data fitting to find the both sides of the driving area; with its help,it also can figure out the way stretching correctly, therefore, the vehicle can self anti deviation. It also supplies some valuable discussion on problems existing in its experiments. [WT5HZ]     

Design and Realize Intelligent Decision Support System of Rocket Safety Control

The problem on rocket safety control is important during the rocket launching proceeding, and is also the focus of every space country. The importance of rocket safety control is introduced, and the characteristics of the existing system are analyzed. Because of the special characteristics, the paper proposes an intelligent decision support system of rocket safety control, adopting the technique of artificial intelligent especially expert system. First, the authors introduce rocket safety control architecture and function. Then, a new method is proposed to represent the knowledge which is integrated with production rule and object-oriented technique. Furthermore, the reasoning is investigated, and decision-making network and uncertainty reasoning model are introduced.     

Obstacle Avoidance in Vehicle Intelligent Auxiliary Drive System

This paper studies the problem of computer vision in the vehicle intelligent auxiliary driving system. An effective and real time method in highway to search and track obstacle is presented. Obstacle candidates are tracked and analyzed, false alarms generated by the object detector are recognized and rejected. It also supplies some valuable discussion on problems existing in its experiments.     

北京都市型现代农业社会化服务体系创新模式研究

农业社会化服务体系建设是发展现代农业的必然要求。随着北京都市型现代农业的快速发展,京郊涌现出乡镇农业综合服务中心模式、政府购买服务模式、金融合作扶持模式、院区联动模式、农村乡土能人带动模式、专业合作组织带动模式、龙头企业带动模式、专业市场带动模式等多种农业社会化服务体系创新模式。为研究北京都市型现代农业社会化服务的发展态势,笔者对各种模式的内涵特点、运行方式、重要意义等进行阐释,为北京市及其他省市都市型现代农业社会化服务体系的构建提供经验借鉴。     

Vehicle Power Steering System Based on Human-simulated Intelligent Control

Thetraditional power steering by fluid drive has many defects such as producing extra steering, oil pollution and consuming excessive resources. Electric Power Steering is servo-control system which can supply power by motor which is controlledby micro-processor-embeded controller. So the application of Electric Power Steering Systemin vehicleis the developing direction. Based on the deep research of power steering system for vehicle, aiming at the complexity and uncertaintyof road and the difference for driver operating habit, the paper presents a sort of new algorithmthat is stronger in robustness, better in adaptability. The algorithmhas been applied in the physical vehicle steering system. The engineering practice shows that the algorithmtakes care of both control effect and person's feeling, and it is satisfactory to control effect.     

Realization of Intelligent Vehicle System for Target Recognition and Tracking

After analyzing target recognition and tracking technique, a method of developing specifically target tacking system is proposed, which uses digital image manipulation to target recognition. Software and hardware design of intelligent vehicle are presented in detail. The system uses digital image manipulation technology to cognize the certain target through a pickup camera installed on the front of the intelligent vehicle. When the target is moving, singlechip receives the commands from the computer and then control the vehicle to trace target. The system can run by itself, regardless of artificial control. This design provides a platform for the research of Growing Machine Intelligence system.     

Intelligent Control to the Automatic Cruise System of AMT Vehicle

A dual closed-loop automatic cruise control system is proposed according to the properties of the AMT system with cruise control function inside, which is developod by the authors. The human simulated intelligent fuzzy control is applied to the inner loop of throttle position control while the conventional fuzzy control is applied to the outer loop of vehicle speed control. The scheme of the whole control system and the design process of the controller are presented. The experimental results show that with the proposed dual closed-loop control system, the unstable phenomena of engine speed can be eliminated and the throttle control responses fast without buffeting. Moreover, the system has the advantages of easy manipulation and reliable operation. The controller has the advantages of free of accurate mathematical model and easy to carry out and high robust and so on.     

Design of the Intelligent Alarm System in Controlling the Automobile Speed

The alarm system in controlling the automobile speed is presented, without change of the original structure, and the design scheme of the system implements sampling, measurement, computing, real-time alarm and delay-time control for the automobile speed according to the safety of the automobile driving. Then, the speed is randomly stored so as to insure the correct data and to effectively analyze the data. Especially, the key techniques of the speed measurement and the refresh storage are pesented in datail in the system.     

基于知识模型的棉花管理决策支持系统

通过对棉花栽培研究资料和专家知识的总结归纳,运用系统学方法和结构化途径,建立了基于知识模型的棉花管理决策支持系统(KMDSSCM)。它由数据库、知识模型库、专家咨询库和人机界面等部分组成;可以实现栽培方案设计、适宜生育指标确定、适时苗情调控、专家知识咨询和系统维护等功能,具有普适性强,独立性好等特点。实例分析结果表明,系统可以根据决策点的基础农情条件,设计出适宜的综合性栽培管理方案和生育指标动态。     

履带式拖拉机自动驾驶系统路径智能跟踪控制研究

为实现复杂环境下履带式拖拉机田间作业的路径跟踪控制,设计了履带式拖拉机自动驾驶系统,并对路径跟踪与控制算法进行了研究。自动驾驶系统由MCU、双源激光定位系统、速度控制系统、点火/熄火控制系统、液压转向系统等组成。采用模糊算法对行驶过程中的路径偏差进行补偿,实现对路径的跟踪控制。为验证算法的有效性,进行了Matlab/Simulate仿真与田间试验。结果显示对于NF502型履带拖拉机,该系统在100 m范围内可实现有效控制,表明该算法能实现对行驶路线跟踪与控制。     

System Platform of Auto Industry Based ASP and SRM

In view of the situation of auto industry, a system platform is given based on ASP and SRM. For the Co-management and information exchange of SRM, dynamic co-mode and estimated principium are designed. Based on four influence factors of auto industry, focuses on the process of supply not the result. Based on problem definition, formulation of criteria, qualification and choice, the process of estimate is improved. Implementation result shows that this kind of system platform can improve the efficiency of information exchange and achieve the goal of Co-management.     

The Development of Intelligent Fault Diagnosis System Based KBE Graph

Aimed at solving the insufficiency problem in the current intelligent fault diagnosis system, such as lack of development tools, inference oversimplification, and developed a kind of diagnosis system based on network and KBE graph. The system is simple and easy to establish, modify, expand and maintain and does not need further coding. In addition, it can significantly save time and reduce the chance of failure. The integration of expert rules, fuzzy logic and nerve network enables the system to adapt to those complicated systems which involve in multi-variable, multi-parameter, multi-object and multi-process. As an example, an on-line detection system for simulate-on rotor test bench has been established and typical faults were successfully diagnosed through it, which proved the validity and reliability of the system. Furthermore, the system has been declared national invention patent.     

Application of TMS320C6201 to Intelligent Active Security System

With the development of car industry and carrying trade, serious traffic accident threatens the safety of people and property. It proves the essentialty and instancy of developing the intelligent active security system. The system based on the DSP, can overcome the flaw of the system based on the radar,microwave and ultrasonic. With the TMS320C6201 DSP and the algorithm of computer vision and mode identity, it can find the rode, roadblock and the distance of roadblock . With small volume,portable,easy install,adaptability with atrocious environment and low price, the system can meet the desire of practicability. A lot of experiment prove that the design of the system is advanced and reasonable, and can be adapted to the intelligent aided drive of all kinds of car. The system has the good value of popularize and employ.     

Analysis on Stability for Uncertainty Complex Control System Based on Knowledge

Concept of stability is vague, but it is basic characteristic of dynamic system, and precondition that make all kinds of control system run normally. Today it is still a challenge to analyze stability for uncertainty complex control system, whose mathematic modeling is impossible or very difficult, so it is very hard to judge whether a system running is stable or not by mathematic stability criterion. A kind of analyzing method is presented, which combine absolute stability with self-locked concept of heuristic search, it may analyze system stability in more range through adjusting self-collected loop parameters for uncertain control system based on knowledge control model. It is shown that stability analyzing method is effective and suitable for practical physical system in the engineering project.     

An Information System for Vehicle Transport Management

This paper proposes a model framework, which describes the function requirements and the common characterstics of vehicle transport management. With the frame, a computer vehicle transportation managerment information system(QCMIS)is in troduced here and it has already been put into practice. The key technical points is also explained in the paper.     

基于因子分析方法的江苏省能源安全系统评价

能源是社会经济发展的重要基础条件,其供应和使用安全问题一直倍受关注。笔者首先对区域能源系统安全内涵进行界定,从能源生产-消费过程和能源-人口、能源-经济和能源-环境3个子系统角度出发,建立了区域能源系统安全评价指标体系,然后利用因子分析的方法,对江苏省1990-2007年能源系统安全状况进行实证分析。结果发现,在现有的能源政策和社会经济条件下,该区域能源子系统安全状况变化不同,总的能源系统安全状况将趋于下降。此结论符合江苏能源系统的实际情况,说明该评价体系和评价模型用于区域能源安全的评价是有效的,能较好地揭示区域能源安全存在的问题,可以为区域能源安全决策提供参考依据。     

Structure and Integration on Intelligent Building System

Aimed at the properties of multi technology synthesis integration of intelligent Building, discussed in the paper. It mainly consists of BAS, CAS and OAS. The Building environment and technological principle is also mentioned in this paper. The intelligent Building is a complicated system engineering. It should pay more attention that the key point is system integration in the programming, design and practical realization.     

Technique of Information Fusion in Vehicle Control System

In the future, vehicle will be developed intelligently, which is based on the development of information technology. Now, information fusion technique is a new direction of information management. It has the advantages of more information, arrangements and methods and has been applied to a lot of research fields, The basic principle of information fusion is discussed and its applications in domestic and international modern vehicle control system are introduced. Moreover, the authors point out the key technology of information fusion and the bright prospects of its application in automotive field are proposed