相应

Based on mechanism and vehicle theories theoretical analysis is pursued and normal driving conditions are put forward. The relations are analyzed between load distribution and power consumption. Mechanical formula is proposed. Furthermore in this paper the theoretical model of the total power consumption is established, and the relations of the total minimized power consumption with the air-cushion pressure and the fan revolution are discussed. The optimum operation point is put forward. The dynamic digital simulation studies are carried out on the operating procedure of the half-track air-cushion vehicle on soft terrain. Mechanical parameters and soil mechanics characteristics affecting vehicle power consumption and riding performance are analyzed. At the same time according to the model formula, the automation control problem is discussed. It is a theoretical instruction for further automation control.

本文还从力学和车辆原理的角度进行了理论分析，推导了半履带式气垫车的需求功率及正常行驶条件，研究了气垫压力和功率消耗之间的关系，提出了力学模型公式；建立了半履带式气垫车总功率消耗的理论模型，研究了最小功率消耗时功率与垫压及表征气垫车行驶状态的各参数的关系，分析了相应的影响因素，并提出了最佳工作状态的定义；同时进行了半履带式气垫车在软地面的行驶过程的动态数字仿真试验研究工作，对影响车辆功率消耗和行驶平顺性的各力学参数和土壤参数进行了分析，得到了各运行状态参数的变化规律，验证了最佳工作状态和最佳垫压的理论，根据力学模型公式对进一步的自动控制问题进行了探讨，为系统的控制提供了理论指导。

So in this paper based on the characteristics and the optimum state theory of the vehicle, some kinds of control schemes are compared and discussed, and the fuzzy PID control scheme is adopted at last. The relation between air-cushion pressure and fan rotational speed on the optimum driving state is studied. The cushion pressure is used as controlled variable and the fan revolution is used as regulated variable. And transducer and fan motor are actuators.Based on the structure and operating properties of half-tracked air-cushion vehicle, the control system scheme and structure are presented. A control scheme using the self-tuning PID fuzzy logical controller is adopted. Fuzzy rules are set up and some researches have been done for fuzzy tuning method. At the same time the real-time measurement scheme by computer control is proposed, and electric circuits are designed. In the control system of half-tracked air-cushion vehicle cushion pressure P〓 is used as controlled variable and the fan speed n〓 as regulated variable.

因此本文以半履带式气垫车的特性和最佳工作状态理论为指导，通过对各种控制方法的比较与探讨，提出采用模糊PID控制方案，并且研究了在最佳工作状态下垫压及风机转速的关系，提出气垫压力作为控制参数，变频器和风机电机为执行机构，风机转速为调节量；主要进行了自整定模糊PID控制器的设计，研究了自整定PID模糊控制器的实现方法，编制了模糊控制规则，制定了模糊控制参数查询表，并分析了影响自整定模糊控制器相关的影响因素，确定了模糊控制表；为了实现半履带式气垫车的自动控制，还提出了计算机模糊控制系统的原理与结构，设计了相应的测量电路与控制软件。

Man-machine interface receives signal and display the data of air-pressure and temperature on the screen for drivers.

人机接口部分接收到数据以后经过分析处理，根据工作状态将温度压力数据或其它数据送数码管显示，当压力异常变化、温度压力数据过限或发射模块故障时提供不同的声光报警信号，提醒驾驶员采取必要的措施，同时驾驶员可以根据实际情况设定温度压力数据阀值，文中给出相应的硬件设计原理图和详细的软件流程图。

Methods The conditions of injured passengers when plane jolted by air-pressure in high sky were retrospectively analyzed, ranging from injured people, check-up classification, injury types, the wounded transfermation in detail, and providing corresponding strategies.

回顾性分析飞机在高空发生气流颠簸与造成人员受伤的情况，从受伤人群、检伤分类、受伤疾病种类、伤员转送等方面进行详细分析并提供相应策略。

Based on the numerical simulation results of airdrop landing, the stress of frame was analyzed.

根据数值仿真结果，分析了该特种车车架的受力情况，提出了一些相应的改进措施，从而为车架的实际优化提供了依据。

Based on the numerical simulation re-sults of airdrop landing, the stress of frame was analyzed. Some defects of design were found and a number ofcorresponding modifications were proposed.

根据数值仿真结果，分析了该特种车车架的受力情况，提出了一些相应的改进措施，从而为车架的实际优化提供了依据。

He is born in Heibei Baoding, father is the controller of enterprise of a war industry, plane airscrew includes in the product, in the Liu Yan in the home seniority is the smallest, obtain more care accordingly.

他出生于河北保定，父亲是一家军工企业的负责人，产品中包括飞机螺旋桨，在家中刘岩排行最小，相应获得更多爱护。

Tracey said he has never seen anything like Obama's success and corresponding dominance of the airwaves.

特雷西说，他从未见过像奥巴马这样成功地在电波里占有相应的压倒优势。

I hope to see you again,but alas,I have to be capable of that.

我希望还能见到你，那么，我必须有相应的实力。

Chinese albacore fishery development strategy in the Northern Pacific Ocean;2. This paper give a review on the development of south pacific albacore .

通过回顾南太平洋长鳍金枪鱼渔业的发展情况，特别是中国1999-2001年间在南太平洋捕捞长鳍金枪鱼的状况，指出我国在此项渔业发展中存在的问题，并提出相应对策。

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。

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。