Aircraft performance evaluation method and system based on evidence theory
An evidence theory and aircraft technology, applied in the field of aircraft performance evaluation, can solve problems such as insufficient data utilization, and achieve the effect of improving accuracy
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Embodiment 1
[0057] A specific embodiment of the present invention discloses a method for evaluating aircraft performance based on evidence theory, such as figure 1 As shown, the method includes the following steps:
[0058] S1. Carry out field test, digital simulation test and half-in-the-loop simulation test respectively for the aircraft to be tested, and obtain the field test data, digital simulation test data and half-in-the-loop simulation test data of the performance index of the aircraft respectively.
[0059] Specifically, the performance index is used to evaluate the performance of the aircraft to be tested, which may specifically be landing point accuracy, angle tracking accuracy, and the like.
[0060] Specifically, since the aircraft field test data is usually small sample data, the field test data includes sample data of aircraft performance indicators obtained in the field test.
[0061] Specifically, the digital simulation test data includes the probability density function...
Embodiment 2
[0154] A specific embodiment of the present invention discloses a vehicle performance evaluation system based on evidence theory, such as figure 2 shown, including:
[0155] The data acquisition module is used to carry out field test, digital simulation test and half-in-the-loop simulation test respectively for the aircraft to be tested, and obtain field test data, digital simulation test data and half-in-the-loop simulation test data of aircraft performance indicators respectively;
[0156] The evidence theory representation module is used to convert the field test data, digital simulation test data and hardware-in-the-loop simulation test data of the aircraft performance index into evidence representations respectively, and obtain the field test evidence body and digital simulation test evidence of the aircraft performance index Body and semi-physical simulation test evidence body, the specific process of using evidence representation is shown in Example 1, which will not b...
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