By making use of the simulation results , a principle about how to confirm the refrigeration charge and capillary tube length for the 5hp inverter controlled air - conditioner has been put forward . the results are of direct interests to reduce time - period of product developments 所得结论对5hp变频空调器制冷剂充灌量和毛细管长度的选择具有一定的指导意义，对缩短新产品研制周期亦具有一定的参考价值。
Thus the classical self - destructing all - objective experiment to half - objective forecasting experiment in laboratory to achieve the aims such as shortening research and manufacture time , saving developing funds , enhancing reliability and success proportion 它用来在地面检测飞行器舵机性能,将传统的自破坏的全实物实验转化为实验室条件下的半实物预测性实验,以达到缩短研制周期、节约研制经费、提高可靠性和成功率的目的。
Along with the progress of processor ' s micromation and speeding up , the traditional debugging technology could not meet the demands since its higher cost and extended development period . remote cross debugging has become an important debugging means in embedded operating system 而随着计算机器件的微型化、高速化和嵌入式操作系统的发展，传统的调试手段因其高昂的开发维护费用和较长的研制周期，无法很好地胜任目前的调试需求。
Performing product assembliability analysis during the product design stage so as to solving the would occur assembly problems as early as possible is of great meanings to ensure the product assembliability , enhance assembly efficiency , lower product cost and shorten r & d time 在设计阶段对产品的可装配性进行分析，尽早解决处于生产下游的装配工作中可能存在的问题，对于保证产品可装配性，提高装配效率，降低研制成本，缩短研制周期有重要意义。
From the 1980s , the u . s . military introduced the modern concept of small satellites , modern small satellite technology has developed very rapidly due to the advantages of lightweight , good performance , short development cycle , and low cost . thus modern small satellite become to an important direction 从20世纪80年代美国军方提出了现代小卫星的概念以来,现代微小卫星由于具有重量轻、性能好、研制周期短、造价低等优点,成为目前航天器发展的一个重要方向。
The electro - hydraulic load simulator of fin stabilizer is physical half - objective simulative system . its function is to simulate , under laboratory conditions , different kinds of hydrodynamic force exerted on the fin stabilizer so as to detect technical performance index of the driving system of fin stabilizer . thus the classical self - destructing all - objective experiment will be converted to half - objective forecasting experiment in laboratory to achieve the aims such as shortening lead time , saving developing funds , enhancing reliability and success proportion 减摇鳍电液负载仿真台是一种半实物物理仿真系统，其功能是在实验室的条件下，模拟船舶航行过程中减摇鳍所受的海浪水动力载荷谱，从而检测减摇鳍驱动系统的技术性能指标，将经典的自破坏全实物实验转化为在实验室条件下的半实物预测性实验，以达到缩短研制周期、节约研制经费、提高可靠性和成功率的目的。
In order to solve two difficulties in the present conceptual design of torpedo , this paper introduces many new ideas into the original theories , and gives a new synthetic conceptual design theory for torpedo . one of the difficulties is that we have no a index which can represent various performances of torpedo , the other is that the coupling relationships among various subsystems and disciplines are ignored in the design process . the new ideas involve the study about operational effectiveness , life circle cost , risk and research schedule , which can be used together to evaluate a design project 本文针对鱼雷总体设计中目前存在的两个突出技术难题： ( 1 )缺乏能够全面反映鱼雷总体设计性能的指标( 2 )对鱼雷总体设计中各部分组成、各学科间的耦合关系，没有合适的分析和求解方法在原鱼雷总体设计理论和方法的基础上，引进了作战效能、寿命周期费用、风险和研制周期的概念，来全面反映鱼雷设计的性能、经济性、风险性和时间性等指标；在优化设计中，采用多学科设计优化方法作为优化算法，构建了一种新的鱼雷总体综合设计方法。
The following conclusions have been drawn from this research program , : ( 1 ) the model following architecture allows for straightforward implementation of requirements of handling quality standard , and it can be utilized for helicopter handling quality design . ( 2 ) the adaptive model - inverse control theory can provide the referenced helicopter with consistent handling quality throughout its operating envelope , with requiring only an approximate linear model at a single operating point . ( 3 ) the technology of adaptive neural network model - inverse control can reduce costs and period associated with pcs development 通过该课题的研究，得到以下结论： ( 1 )参考模型跟踪结构能够直接实现飞行品质规范要求，可以用于直升机飞行品质设计； ( 2 )自适应模型逆控制方法只需一个基准状态下的近似线性模型，却可在整个使用包线内提供协调一致的飞行品质； ( 3 )自适应神经网络模型逆控制技术可节约成本，缩短飞控系统研制周期； ( 4 )在某些部件部分意外失效或战损情况下，自适应神经网络具有实现控制的在线快速重新配置、保持飞行品质的潜力； ( 5 )轨迹跟踪控制器可以用于任务科目基元仿真及飞行品质评估。
Finally , subsystem simulation models of missile are integrated as a whole system simulation model , and the system simulation model is analyzed in the end . the work of this thesis has practical significance and applied perspective in simulation of missile weapon system . utilizing the experimental data of missile , we can construct high fidelity model in the simulation of missile weapon system based on the work of this thesis 利用建立的各个分系统仿真模型组装成整个导弹系统的仿真模型，完成基于系统模型的仿真与分析本文的研究在导弹武器系统的仿真工作中有着重要的实际意义和广泛的应用前景，在本文的研究的基础上，根据已有的导弹试验数据，建立精确的、符合实际的在研型号或相关型号的仿真模型，用于导弹武器系统仿真，从而大大节省试验次数和试验经费，缩短研制周期。
Rapid prototyping & manufacturing technology is a high - tech developed in the late 80 ' s , which integrates mechanical engineering , cad , numerical control , laser technology and material science . by using it , 3d objects can be fabricated directly from cad models automatically and rapidly . so the technology saves tremendous time , this has a deeper effect on the manufacturing industry 快速原型制造技术（ rp / m ）是八十年代后期发展起来的一项新技术，它是机械工程、 cad 、数控技术、激光技术及材料科学的技术集成，它可以自动而迅速地直接由cad模型制作三维实体，从而大大缩短了产品的研制周期，对制造业产生了深远的影响。
