Vehicle-borne radar in-loop real-time simulation test system and method thereof

A technology of real-time simulation and vehicle-mounted radar, which is applied to radio wave measurement systems, measurement devices, instruments, etc., can solve the problems that the trajectory of dynamic obstacles is difficult to set, the radar accuracy cannot be effectively tested, and the radar test method has not been proposed. It is convenient and quick to change the path, convenient and quick to arrange, and the effect of shortening the test cycle
CN106970364AActive Publication Date: 2017-07-21HEFEI UNIV OF TECH
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
HEFEI UNIV OF TECH
Publication Date
2017-07-21

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Abstract

The invention discloses a vehicle-borne radar in-loop real-time simulation test system and a method thereof. The system comprises a tested radar located on a turntable, a driving operation unit, a display, a real-time controller and an upper computer, wherein the driving operation unit comprises a driving operation mechanism and a driving operation signal sensor; the upper computer comprises a virtual test field and a target test and analysis unit; a driving vehicle model and a target vehicle model are included in the virtual test field; the driving vehicle model is used for virtually loading the tested radar; the real-time controller comprises a spectrum measurement unit, a target simulation unit, a motion controller and a data acquisition card; and the spectrum measurement unit comprises a millimeter wave signal transceiver, a millimeter wave frequency reducer, a millimeter wave signal analyzer, a time delay controller, a millimeter wave signal generator and a millimeter wave frequency rising device. Through radar hardware-in-the-loop real-time simulation, driving operation, target simulation, turntable rotation control and millimeter wave delay control, simulation test on the radar in various road conditions is realized.
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Description

technical field

[0001] The invention belongs to the technical field of vehicle radar testing, in particular to a hardware-in-the-loop vehicle radar real-time simulation testing system and a method thereof. Background technique

[0002] The rapid development of automotive intelligent driving assistance technology and automatic driving technology, together with new energy vehicle technology, has brought a new wave of development in the automotive industry. Various environmental sensors used in vehicles have developed rapidly, among which millimeter-wave radar has become a smart car. Essential sensors. Radar can be used to effectively judge road conditions and improve the early warning capabilities of vehicles. As one of the mainstream vehicle-mounted sensors for smart cars, millimeter-wave radar is widely used in vehicle-mounted distance detection, adaptive cruise, collision warning, blind spot monitoring and merging assistance systems, and is an important part of advanced dr...

Claims

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