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A control system data transmission validity testing method and system serving complex 1553 bus network structure
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A technology for data transmission and control systems, applied in the field of testing, to achieve the effect of increasing confidence
Active Publication Date: 2019-10-18
BEIJING INST OF CONTROL ENG
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Problems solved by technology
[0003] The technical problem solved by the present invention is: aim at the deficiency of existing 1553 bus test tool, provide a kind of control system data transmission validity test method and system serving complex 1553 bus network structure, the technical problem solved is: (1) through Construct a data transmission model, associate a single component with multiple remote terminals, so as to establish associations between multiple remote terminals
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Embodiment 1
[0052] Define a control system, the control system includes 15 types of components including sensors and actuators, 60 units, the interfaces of various components are different, each interface corresponds to a 1553 remote terminal, a total of 120 1553 remote terminals are distributed separately On four 1553 buses. The job of the controller of the system is to collect the data of each component and send control instructions to each component. The controller is the object under test, and the components in other systems are simulated by the test platform.
[0053] Such as figure 1 Shown, concrete steps of the present invention are as follows:
[0054] (1) Establish the public attributes of the 1553 digital transmission model of the components of the control system. The description of the public attributes is shown in Table 1. In this example, the value range of the bus number is [1,4], and N represents the interface of the stand-alone The value range of the quantity is [1,4],...
Embodiment 2
[0075] Define a certain control system, the control system includes 6 types of components including sensors and actuators, 15 units, the interfaces of various components are different, each interface corresponds to one RT, a total of 30 RTs are distributed in two 1553 on the bus. The analysis process is the same as above, and similar results can be obtained.
[0076] The present invention is a control system data transmission effectiveness test system serving complex 1553 bus network structure, comprising: a construction module, a configuration parameter module, a configuration data sending and receiving interface module, a configuration data transmission sequence module, a construction module, a modification module, and a judgment module ;
[0077] Construction module, constructing the 1553 data transmission model of the component stand-alone of the control system, which is used to simulate the data transmission process of the component stand-alone with the 1553 bus interfac...
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Abstract
The invention relates to a validity testing method used for control system data transmission and capable of serving a complex 1553 bus network structure. The method comprises the following steps that(1) a component single-machine 1553 data transmission model of a control system is established; (2) communication parameters of the data transmission model are configured to generate multiple component single machines; (3) data receiving and transmission interfaces of the data transmission model are configured; (4) according to a running timing sequence of a tested object of the data transmissionmodel, a data transmission timing sequence of the data transmission model is configured; (5) according to a testing requirement, the required component single machines are selected from a component single-machine case library in the second step and used as communication network nodes of a 1553 bus, and a communication network topology structure of the 1553 bus is established; (6) according to thetesting requirement, the communication network topology structure is dynamically modified in the testing process, communication network nodes are newly added to the communication network of the 1553 bus, and the communication network nodes are deleted; (7) according to testing data generated in the testing process, the communication validity of the tested object under the communication network topology structure of the 1553 bus is judged.
Description
technical field [0001] The invention relates to the technical field of testing, in particular to a method and system for testing the effectiveness of data transmission in a control system serving a complex 1553 bus network structure. Background technique [0002] The 1553 bus is a multi-redundancy bus topology with bidirectional transmission characteristics. The transmission mode is half-duplex and uses Manchester code for transmission. The 1553 bus protocol has become an internationally recognized data bus standard, and it is widely used in electronic integrated control systems such as aviation, aerospace, and ships. With the development of technology, the bus structure of the control system has become more and more complex in recent years, resulting in more and more testing workloads for the effectiveness of data transmission of the control system, covering the time cost of traversing the communication transmission conditions of various topological configurations Higher a...
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