CN111766850A - A method for automatic testing of aerospace measurement and control equipment data - Google Patents

Abstract

The invention discloses a method for automatically testing aerospace measurement and control equipment data, which comprises the following basic steps: establishing a collection of identifications, excitation data, output data, a verification method, excitation starting time, intervals and time sequence rules of functional modules of the space measurement and control equipment; establishing a database of the parameters of the space flight measurement and control equipment; generating a test excitation database according to the parameters of the space measurement and control equipment; reading the excitation data and the time sequence rule of the functional module to be tested, automatically sending the excitation data to the space flight measurement and control equipment according to the time sequence rule, and monitoring the output data (monitoring data) of the space flight measurement and control equipment; reading output data (read data) of the functional module to be tested, and comparing the read data with the monitoring data through a verification method and a time sequence rule of the functional module; step six, according to the selected function list to be tested, the function item to be tested repeats steps four and five periodically, and the test of the selected module is completed.

Description

A method for automatic testing of aerospace measurement and control equipment data

technical field

The invention relates to the field of aerospace measurement and control in the field of aerospace, in particular to a method for automatically testing data of aerospace measurement and control equipment.

Background technique

With the vigorous development of aerospace technology, more and more spacecraft have entered the space field. Aerospace measurement and control equipment is the digital processing equipment for communication between ground measurement and control stations and satellite transponders. Aerospace measurement and control equipment increases with the launch of spacecraft year by year. Aerospace measurement and control equipment is a consumable item, and new equipment will gradually replace old equipment. However, the traditional test method of aerospace measurement and control equipment is to use test software, input the excitation data in the software, manually compare the output and theoretical value of the aerospace measurement and control equipment, and test item by item according to the test items. There is also potential for misjudgment.

With the increase in the number of spacecraft, there is an urgent need for automated testing aerospace measurement and control equipment. Improve the test efficiency and accuracy, and improve the development and delivery progress of spacecraft supporting products.

Automated testing of aerospace measurement and control equipment has a wide range of needs in aerospace, and in the existing implementation technologies, there are mainly two implementation methods: 1. Use the measurement and control data of known spacecraft for comparison, but it cannot adapt to the expansion of spacecraft, and cannot Adapt to the needs of gradual development; 2. Use measurement and control data to write test software based on functions, but it cannot expand functional test methods and does not meet general functions.

SUMMARY OF THE INVENTION

The present invention will provide a method for automatically testing aerospace measurement and control equipment data for aerospace measurement and control equipment, in order to solve the current problem of low efficiency in testing aerospace measurement and control equipment, thereby improving the testing efficiency of spacecraft supporting products.

The present invention provides a method for automatically testing data of aerospace measurement and control equipment, in order to solve the above problems, comprising the following steps:

A method for automatically testing data of aerospace measurement and control equipment, comprising the following steps:

Step 1: Establish a collection of the identification, excitation data, output data, verification method, excitation start time, interval and timing rules of the functional modules of the aerospace measurement and control equipment, and configure them in XML format, and all functional modules can choose whether they need to be tested;

Step 2, establish a database of aerospace measurement and control equipment parameters, the parameters at least include model, task number, prefix sequence, synchronization word, suffix sequence, transmission protocol, communication IP address, communication port, command sequence; The aforementioned parameters support the fixed position setting word Section or bit value, support additional specified position according to the protocol;

Step 3, generate a test excitation database according to the parameters of the aerospace measurement and control equipment;

Step 4: Read the excitation data and timing rules of the functional module to be tested, automatically send the excitation data to the aerospace measurement and control equipment according to the timing rules, and monitor the output data of the aerospace measurement and control equipment, where the output data is called monitoring data;

Step 5: Reading the output data of the function module to be tested is the reading data, and the output data here is called the reading data; by comparing the reading data and the monitoring data through the verification method and timing rule of the function module, the function is verified. correctness of the module;

Step 6: According to the pre-selected list of functions to be tested, the function items to be tested periodically repeat steps 4 and 5 to ensure the integrity of the test functions; the list of functions to be tested includes: a list of aerospace measurement and control equipment to be tested, a list of aerospace measurement and control equipment to be tested List of functional modules of the measurement and control equipment.

Optionally, the step 3 further includes:

After the establishment of the database of aerospace measurement and control equipment parameters, the test excitation data generation rules are traversed, and the test excitation data of the equipment are sequentially generated; wherein, the test excitation data covers all the data of the functional module, and a unique identifier is set.

Optionally, the functional module refers to the unique identifier of the excitation data, so as to realize the generalized loading of excitation data for different aerospace measurement and control equipment.

Optionally, the step 2 further includes:

For all aerospace measurement and control equipment that needs to participate in the test, configure parameters according to the unified interface to form a database of aerospace measurement and control equipment parameters, and select the aerospace measurement and control equipment to be tested during automated testing.

Compared with the prior art, the present invention has the following beneficial effects:

The invention can further realize the automation of the testing method of the aerospace measurement and control equipment, has positive reference significance in the automatic testing of the aerospace measurement and control equipment, and has good practical engineering application value in the aerospace field.

Compared with the traditional testing method of aerospace measurement and control equipment, this method can greatly improve the testing speed of aerospace measurement and control equipment, and has strong engineering practice value.

The invention is aimed at aerospace measurement and control equipment, can effectively improve the test efficiency and correctness of the equipment, and provides technical guarantee for realizing the automatic test of the aerospace measurement and control equipment.

Description of drawings

1 is a schematic flowchart of a method for automatically testing aerospace measurement and control equipment data according to a specific embodiment of the present invention;

Fig. 2 is the flow chart that utilizes the verification method and the time sequence rule to compare the data designed by the specific embodiment of the present invention;

FIG. 3 is a flow chart of continuous functional testing using software threads according to the specific implementation design of the present invention.

Detailed ways

The present invention will be described in detail below with reference to specific embodiments. The following examples will help those skilled in the art to further understand the present invention, but do not limit the present invention in any form. It should be noted that, for those skilled in the art, several changes and improvements can be made without departing from the inventive concept. These all belong to the protection scope of the present invention.

As shown in FIG. 1 to FIG. 3 , the present embodiment discloses a method for automatically testing data of aerospace measurement and control equipment, including the following steps:

Step 1: Establish a collection of the identification, excitation data, output data, verification method, excitation start time, interval and timing rules of the functional modules of the aerospace measurement and control equipment, and configure them in XML format. The program loads the configuration information of the functional modules. Optionally require testing.

Among them, in this embodiment, the identifiers of the functional modules are: A1_1, A1_2, A1_3, S1_1, S1_2, S1_3, M1_1, M1_2, M1_3, etc.; the verification method (methodJR) is methodJR="AisD_BisC_AnotB", methodJR="AisD_BisC_AnotBIn50ms" , methodJR="NOT_JUDGE", etc.; interval (interval) is: interval="500ms", interval="1000ms", interval="2s", etc.; duration (lastTime) is: lastTime="100ms", lastTime="200ms ", lastTime="500ms", etc.; the timing rules (order) are: <Fieldkey="DataIn1" dataIn="1" order="1"/>, <Field key="DataIn2" dataIn="2" order=" 2″/> etc.

Establish a collection of the identification, excitation data, output data, verification method, excitation start time, interval and timing rules of the functional modules of the aerospace measurement and control equipment, and can dynamically add and modify the functional modules, so that the functions of the aerospace measurement and control equipment can be expanded and edited. It realizes reading the excitation data with the identification of the excitation data.

Step 2, establish a database of aerospace measurement and control equipment parameters, the parameters at least include model, task number, prefix sequence, synchronization word, suffix sequence, transmission protocol, communication IP address, communication port, command sequence, etc.; the aforementioned parameters support fixed location settings Byte or bit value, supporting the additional designated position according to the protocol; among them, all the aerospace measurement and control equipment that needs to participate in the test, configure the parameters according to the unified interface, form a database of aerospace measurement and control equipment parameters, and select the aerospace measurement and control equipment to be tested during automated testing. "Unified interface" refers to the configuration interface after the software runs.

Step 3, generating a test excitation database according to the parameters of the aerospace measurement and control equipment; it further includes:

After the establishment of the database of aerospace measurement and control equipment parameters, the test excitation data generation rules are traversed, and the test excitation data of the equipment are generated in sequence; among them, the test excitation data covers all the data of the functional module, and a unique identifier (such as Telecontrol_Encryption_Correct) is set. The function module refers to the unique identifier of the excitation data, and reads the unique identifier of the excitation data in the process of testing different aerospace measurement and control equipment, so as to support the generalized loading of the excitation data.

Step 4: Read the excitation data and timing rules of the functional module to be tested, automatically send the excitation data to the aerospace measurement and control equipment according to the timing rules, and monitor the output data (monitoring data) of the aerospace measurement and control equipment, where the output data is called monitoring data;

Step 5: Read the output data (read data) of the functional module to be tested, where the output data is called read data; compare the read data and the monitoring data through the verification method and timing rules of the functional module, and verify Correctness of function modules;

Step 6: According to the pre-selected list of functions to be tested, the function items to be tested periodically repeat steps 4 and 5 to ensure the integrity of the test functions; the list of functions to be tested includes: a list of aerospace measurement and control equipment to be tested, a list of aerospace measurement and control equipment to be tested List of functional modules of the measurement and control equipment.

The design principle and design idea of the present invention mainly include the following three parts, specifically:

(1) Using the idea of function extensibility, each function is an XML node, to expand or change the function, no need to change the code, just add or modify the XML node;

(2) Using the idea that the data source is extensible, the excitation data flag is set in the functional XML node, and the software uses the parameter rules to generate the excitation data that conforms to the flag;

(3) Using the idea of extensibility of calibration, a calibration algorithm set that conforms to aerospace measurement and control equipment is written, and the algorithm set can be directly expanded if there are new requirements, without changing the code.

To sum up, the method of the present invention tests the aerospace measurement and control equipment in a scalable way, and realizes the automatic test. Compared with the traditional testing method of aerospace measurement and control equipment, this method can greatly improve the testing speed of aerospace measurement and control equipment, and has strong engineering practice value.

The above are only specific embodiments of the present invention, but the scope of the present invention is not limited to this. Those skilled in the art can make any modifications, replacements, improvements, etc. made to the present invention within the spirit and principles of the present invention. , shall be included within the protection scope of the claims of the present invention.

Claims (4)

1. A method for automatically testing aerospace measurement and control equipment data is characterized by comprising the following steps:

establishing a collection of identifications, excitation data, output data, a verification method, excitation starting time, intervals and time sequence rules of functional modules of the space flight measurement and control equipment, configuring the collection in an XML format, and selecting whether all the functional modules need to be tested;

establishing a database of aerospace measurement and control equipment parameters, wherein the parameters at least comprise model numbers, task numbers, prefix sequences, synchronous words, suffix sequences, transmission protocols, communication IP addresses, communication ports and instruction sequences; the parameters support the fixed position to set byte or bit values and support the addition of specified positions according to a protocol;

generating a test excitation database according to the parameters of the space measurement and control equipment;

reading excitation data and a time sequence rule of the functional module to be tested, automatically sending the excitation data to the space flight measurement and control equipment according to the time sequence rule, and monitoring output data of the space flight measurement and control equipment, wherein the output data is called monitoring data;

step five, reading output data of the functional module to be tested, namely reading data, wherein the output data is called reading data; comparing the read data with the monitoring data through a verification method and a time sequence rule of the functional module, and verifying the correctness of the functional module;

step six, according to a pre-selected function list to be tested, periodically repeating the step four and the step five for the function item to be tested, and ensuring the integrity of the test function; the list of functions to be tested includes: the aerospace measurement and control equipment list to be tested and the functional module list of the aerospace measurement and control equipment to be tested.

2. The method of claim 1, wherein the step three further comprises:

after the database of the parameters of the space flight measurement and control equipment is established, traversing the test excitation data generation rule, and sequentially generating the test excitation data of the equipment; wherein the test stimulus data covers all data of the functional module and a unique identifier is set.

3. The method of claim 2, wherein the functional module references the unique identifier of the excitation data to implement loading excitation data generalized for different aerospace measurement and control devices.

4. The method of claim 1, wherein step two further comprises:

and all the space measurement and control equipment needing to be tested form a database of the parameters of the space measurement and control equipment according to the unified interface configuration parameters, and the space measurement and control equipment to be tested is selected during automatic testing.

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