Abstract

Currently, the test of the GNSS/INS integrated navigation system is primarily a real testing in the vehicle or a computer software simulation test. There are defects of high cost, difficult to repeat the testing scenario, and other issues in the former and the test not comprehensive enough in the latter. This paper proposes a semi-hardware type simulation and testing platform design, which is based on GNSS simulator, high-precision three-axis turntable and master control system, and builds a semi-hardware test platform. The platform has a flexible programmable configuration and repeatable test scenarios and the platform also has good stability and scalability. Based on iFEN NavX-NCS satellite navigation simulator and SGT320E precision three-axis turntable,we built semi-physical simulation test platform for the design implementation and verification scheme. The real test results of NovAtel’s SPAN-SE commercial GNSS/INS navigation system verify the availability, effectiveness, and stability of the platform.

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