Method and device for testing performance of undercarriage shock absorber under multi-directional load impact

The invention discloses a method and device for testing the performance of an undercarriage shock absorber under multi-directional load impact, and belongs to the technical field of aviation shock absorber performance testing. The method comprises the following steps: step 1, analyzing a test demand based on an industrial standard to obtain a test index; step 2, collecting actual operation data of the undercarriage shock absorber in flight service, and performing load feature identification based on the actual operation data; 3, designing a load simulation scheme based on the test indexes and the load feature recognition result, and performing load simulation based on the designed load simulation scheme; real-time acquisition and monitoring are carried out on operation data in the simulation process; and 4, evaluating the comprehensive performance of the undercarriage shock absorber based on the operation data, and compiling a test report based on the evaluation. The invention provides a comprehensive, accura