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一、前言在飞行器研制领城,实物仿真(HWIL)技术起着重要的作用。从飞行器初步设计阶段到最终性能评价试验阶段,HWIL仿真项目主要有:1〉系统设计;2〉飞行前/飞行后分析;3〉系统性能评价等。这种仿真的特点是:由于硬件直接接入仿真回路内,因而可以进行实时仿真。仿真用计算机一般采用以往的混合计算机,它具有容易与硬件结合、运算速度快等特点。这次我们成功地用全自动模拟程序方式混合计算机作仿真用计算机,组成HWIL仿真器。采用这种混合计算机的优点是:1〉模拟程序很容易掌握;2〉模拟程序的可靠性高;
I. INTRODUCTION In the field of aircraft development, physical simulation (HWIL) technology plays an important role. From the initial design stage of the aircraft to the final performance evaluation test phase, the main HWIL simulation projects are: 1> system design; 2> pre-flight / post-flight analysis; 3> system performance evaluation. The characteristic of this simulation is that real-time simulation can be performed because the hardware is directly connected to the simulation loop. Computer simulation used in the past generally used hybrid computers, it has easy combination with hardware, computing speed and so on. This time, we successfully used a fully automated simulation program to mix the computer for simulation with a computer to compose the HWIL simulator. Advantages of using this hybrid computer are: 1> simulation program is easy to grasp; 2> simulation program is highly reliable;