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A simulation system and hardware technology, applied in special data processing applications, instruments, electrical digital data processing, etc., can solve the problems of software development dependence, reducing test efficiency, and difficulty in secondary development.
Inactive Publication Date: 2015-07-22
UNITED AUTOMOTIVE ELECTRONICS SYST
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Abstract
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Problems solved by technology
Their system software architecture is a self-contained system with poor openness. Software development depends on hardware, and software and hardware development are coupled with each other.
For users, the secondary development is more difficult, and the portability, scalability and code reusability are relatively poor, which lengthens the user test cycle to a certain extent and reduces the test efficiency
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Embodiment 1
[0042] Automotive hardware-in-the-loop simulation systems, such as figure 1 As shown, including upper computer and lower computer;
[0043] Described lower computer comprises NI real-time controller, NI hardware board, Veristand real-time software service platform, engine model dynamic link storehouse;
[0044] The Veristand real-time software service platform carries out data exchange with the engine model dynamic link library and the NI hardware board respectively; the data exchange is realized by the Veristand RT software service platform between the NI hardware board and the engine model dynamic link library;
[0045] Described upper computer is provided with VeriStand software platform, LabVIEW software platform, Matlab Simulink software platform;
[0046] The Matlab Simulink software platform is used for customers to build engine models;
[0047] Described VeriStand software platform is used for customer to control Matlab\RTW module of Matlab Simulink software platform...
Embodiment 2
[0054] Based on the automotive hardware-in-the-loop simulation system of Embodiment 1, the LabVIEW software platform is also used by users to develop corresponding test cases (Test Cases) according to different test requirements.
[0055] Preferably, the LabVIEW software platform can also be called and managed by other platforms (such as Teststand software platform).
[0056] Preferably, the NI hardware board includes an input / output (IO) module, an FPGA (Field Programmable Gate Array, Field Programmable Gate Array) module, a communication module and its driver.
[0057] Preferably, the host computer includes a hardware resource output port;
[0058] The hardware resource output port is connected with the engine control unit (ECU) to be tested by the hardware board resource, so as to control the hardware board resource to provide the hardware signal required by the simulated working environment of the engine control unit (ECU) to be tested, and also to control The hardware bo...
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Abstract
The invention discloses an automobile hardware-in-loop simulation system. The automobile hardware-in-loop simulation system is developed on the basis of two kinds of universal software platforms of N1 including LabVIEW and Veristand and divided into an upper computer and a lower computer on the whole, wherein the lower computer particularly comprises hardware of various types of hardware resources and driving program of the hardware and an important engine model which are required by tests to be used for simulating the working states of an engine; Vristand related lower computer software serves as a bridge between an interface of the engine model and the corresponding hardware resources to achieve mutual communication and connection between the two, and the Vristand related lower computer software serves as an interface in communication with the upper computer to transmit related information of the engine model and other hardware to the upper computer; the upper computer comprises a human-computer interface and a hardware resource output port, and the human-computer interface of the upper computer is compiled by the LabVIEW, the good openness, the universality and the portability are achieved, and the development of follow-up projects is facilitated.
Description
technical field [0001] The invention relates to automobile electronic testing technology, in particular to an automobile hardware-in-the-loop simulation system. Background technique [0002] AUTOSAR (AUTomotive Open Systems Architecture, hereinafter referred to as AUTOSAR) was established in 2003, jointly established by global automobile manufacturers, component suppliers and other electronics, semiconductor and software system companies, and is committed to establishing an Open, standardized software architecture. AUTOSAR provides a basic software platform for complex automotive electronic software systems. In addition, it also defines a set of distributed, function-driven automotive electronic software development methods and software architecture standardization solutions on electronic control units, so as to be applied to different The automotive platform improves software reuse and reduces development costs. Automobile electronic software based on AUTOSAR has good por...
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