Method and system for life testing of automotive electronic controller
A technology of life testing and automotive electronics, applied in the field of automobile manufacturing, can solve the problems of inability to test the durability of the controller, inability to guarantee the reliability of the controller, vehicle and personnel risks, etc., to achieve a simple structure, low hardware requirements, and simple steps. Effect
Inactive Publication Date: 2018-02-23
BEIJING BORGWARD AUTOMOBILE CO LTD
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Problems solved by technology
If the life test of the controller is not carried out, the reliability of the controller cannot be guaranteed, which will bring great risks to the vehicle and personnel
[0003] Generally, a functional test is required after the controller is off-line, and the functional test is mainly to test whether the controller is welded in production, to test the functions of input and output, and memory read and write, that is, to mainly complete the test of hardware welding. Unable to test the durability of the controller
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[0025] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.
[0026] The life testing method and system of an automotive electronic controller according to an embodiment of the present invention will be described below with reference to the accompanying drawings.
[0027] figure 1 It is a flowchart of a life testing method for an automotive electronic controller according to an embodiment of the present invention. Such as figure 1 As shown, the method includes the following steps:
[0028] In step S101, the controller receives a diagnostic service command sent by the host computer, and enters a ...
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The invention provides an automobile electronic controller service lifetime test method. The method is characterized in that a controller can be used to receive a diagnosis service instruction transmitted by an upper computer, and can be in a service lifetime test mode according to the diagnosis service instruction; the controller is connected with a simulation load box, and is used to receive a test instruction transmitted by the upper computer; the test instruction comprises the test time; the controller can be used to change the opening / closing state of the controller output port periodically in the test time, and can be used to sample an input signal fed back by the simulation load box; the controller can be used to generate the error log according to the input signal, and can be used to feed the error log back to the upper computer. The automobile electronic controller service lifetime test method is advantageous in that the service lifetime test of the controller can be carried out in a short time; the steps are simple, the calculation complexity is low, and is easy to realize. The invention also provides a service lifetime test system of an automobile electronic controller.
Description
technical field [0001] The invention relates to the technical field of automobile manufacturing, in particular to a life testing method and system for an automobile electronic controller. Background technique [0002] With the rapid development of electronic technology, the number of electronic systems installed in automobiles is increasing. The electronic controller is the core component of the control system, which determines the stability and reliability of the control system. If the controller is not tested for life, the reliability of the controller cannot be guaranteed, which will bring great risks to the vehicle and personnel. [0003] Generally, a functional test is required after the controller is off-line, and the functional test is mainly to test whether the controller is welded in production, to test the functions of input and output, and memory read and write, that is, to mainly complete the test of hardware welding. Unable to test the durability of the control...
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IPC IPC(8): G05B23/02
CPCG05B23/0283
Inventor 李然
Owner BEIJING BORGWARD AUTOMOBILE CO LTD