用于飞机概念设计的设计要求输入和初步定参数环境

为了在飞机概念设计过程中给新型号的设计要求组织和基本参数估算提供便捷且可扩展的工具而开发了设计要求与初步定参数环境(EDRIPS)。在这一环境中，设计可以通过友好的用户界面交互地输入飞机的性能要求、构造任务剖面和选取有效载荷，然后以此为基础从约束分析所得的可行域中选取设计点，进而利用一种改进的估算飞机起飞重量的方法进行任务分析以得到飞机的基本设计参数。介绍了各模块的实现措施和所采用的方法。最后通过对一个设计实例的分析验证了EDRIPS应用于飞机概念设计的有效性和可靠性。

Environment of Design Requirements Input and Preliminary Sizing for Aircraft Conceptual Design

To supply a convenient and expandable tool to organize the design requirements of a new aircraft and estimate its basic design parameters during conceptual design, the Environment of Design Requirements Input and Preliminary Sizing (EDRIPS) was developed. In this environment, the performance requirements, mission profile and payloads could be inputted or selected respectively through user\|friendly interfaces in a highly interactive way. Based on these requirements, it enables the designer to pick up a design point in the solution space through constraint analysis, and then conduct mission analysis either step by step or via auto iteration by using an improved method for estimating the takeoff weight. The implementation of each module and the methods utilized are described. A design example is finally presented and analyzed to validate the efficiency and reliability of applying EDRIPS to aircraft conceptual design.