Abstract
In view of the demand for the different output power of generators in the relevant test projects during the flight test, this paper proposes a real-time aircraft electric simulative load system based on CompactRIO (cRIO)-embedded controller, which can adjust the aircraft power generation by controlling the access and the output status of the resistive load. The system is used to realize the test of the load capacity of the generator and the working state under different load conditions. At the same time, the heat dissipation of the resistive load is performed by using two cooling modes of water cooling and air cooling. In this paper, the overall architecture of the electrical simulative load system is described first, and the subsystems and software modules are introduced in detail according to the function. Finally, the function and technical indicators of the system are verified by experiments, which proves the feasibility of the design.
Highlights
Before the aircraft is officially put into use, a large number of flight test tests are required to verify its reliability and safety
The normal operation of the generator and APU under high load and full load is critical to the safety and reliability assessment of the aircraft system, and is an important part of the flight test [3]
Compared with the existing schemes, the electrical simulative load system designed in this paper has improved on several indicators, which is more conducive to the verification of the aircraft generator test
Summary
Before the aircraft is officially put into use, a large number of flight test tests are required to verify its reliability and safety. The normal operation of the generator and APU under high load and full load is critical to the safety and reliability assessment of the aircraft system, and is an important part of the flight test [3]. According to the investigation and analysis of the current research situation, most of the main control units of the mature electric simulative load systems used at home and abroad use industrial controllers such as PLC or PAC, and the heat dissipation methods are single way, which has low heat dissipation efficiency [5], [6] Those main controllers are bulky and lack real-time performance [7]. Compared with the existing schemes, the electrical simulative load system designed in this paper has improved on several indicators, which is more conducive to the verification of the aircraft generator test
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