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传统的以设备为出发的航电系统功能捕获方法忽视系统之间功能的权衡与协作关系的捕获,导致设计后期存在大量的设计更改,且不能有效地解决未来智能化航电系统的需求捕获问题。面对该问题,该文首先提出了将航电系统的需求的来源划分为任务来源和飞机平台来源,并针对这两类来源的需求提出不同的需求捕获与功能分配方法;而后,该文重点叙述了由任务所衍生的航电系统需求捕获与功能分配方法:该方法由任务出发,首先将飞机的指挥功能与任务环境、飞机的载体功能进行分离,捕获驾驶舱系统功能;而后以机器的智能作为权衡机组与机器系统功能的方法,根据飞机的指挥功能捕获机器系统功能;最后根据该机器系统和定义的系统功能边界,捕获航电系统功能。
Traditional equipment-based avionics system function capture method ignores the tradeoffs between functions and capture of collaborative relationships, resulting in a large number of design changes in the design late and can not effectively solve the demand capture problem of the future intelligent avionics system . In the face of this problem, this paper first proposes to divide the sources of demand of avionics system into task sources and plane platform sources, and put forward different demand capture and function allocation methods according to the demand of these two sources. Then, Describes the task-based avionics system requirements capture and function allocation method: This method starting from the task, the first command of the aircraft and the mission environment, aircraft carrier functions to capture the cockpit system functions; and then the machine’s As a method to weigh the functions of generating units and machine systems, intelligence captures the functions of the machine system according to the command functions of the aircraft. Finally, the functions of the avionics system are captured according to the machine system and the defined system function boundaries.