CN-122027988-A - Comprehensive detection maintenance platform for aviation emergency positioning transmitter

CN122027988ACN 122027988 ACN122027988 ACN 122027988ACN-122027988-A

Abstract

The invention discloses a comprehensive detection and maintenance platform for an aviation emergency positioning transmitter, and relates to the field of aviation electronic detection. The platform comprises the steps of establishing instrument communication session generation session mapping, reading a transmitter test item, a threshold value and a frequency point generation test plan, acquiring calibration data according to the test plan, completing radio frequency link calibration to generate link compensation data, checking interface topology to generate a connection mark, acquiring functions, radio frequency, current consumption, digital information and shielding room receiving data to generate a feature set when the connection passes, generating a mutual evidence deviation degree, a judging result and an abnormal prompt according to the feature set, the compensation data and the threshold value, and generating a report and archiving. And realizing the integrated closed loop of ELT detection calibration, connection verification, data acquisition, threshold value judgment and report archiving through session mapping and test planning, and outputting a traceable abnormal prompt with cross-link interaction deviation degree.

Inventors

YOU YIMING
SHEN CHANGJIANG
XU ZHONG
JI WEIBIN

Assignees

邦盟泓稻计量检测有限公司

Dates

Publication Date: 20260512
Application Date: 20260205

Claims (10)

1. An integrated inspection maintenance platform for an aeronautical emergency positioning transmitter, comprising: establishing a communication session according to the instrument resource address, and generating session mapping; reading a test item set, a threshold set and a frequency point set according to the transmitter identification to generate a test plan; Acquiring calibration data according to a test plan according to session mapping, performing radio frequency link calibration to obtain link compensation data, and obtaining a connection mark according to interface topology verification; When the connection mark passes, functional test data, radio frequency test data, consumption flow data, digital information data and shielding room receiving data are collected according to a session map and a test plan, so that a feature set is generated; Generating cross-link interaction deviation degree, a judging result and an abnormal prompt according to the feature set, the link compensation data and the threshold set; And generating a report according to the judging result and the abnormal prompt, and writing the report into the archive record.
2. An integrated inspection and repair platform for an airborne emergency positioning transmitter according to claim 1 wherein establishing a communication session based on an instrument resource address, generating a session map comprises: Acquiring instrument resource addresses of a direct-current power supply, a digital multimeter and a radio comprehensive tester; establishing a communication session based on NIVISA drivers according to the instrument resource address; And generating a session map from the correspondence of the instrument resource address and the communication session.
3. An integrated inspection and repair platform for an airborne emergency positioning transmitter according to claim 1, wherein generating a test plan comprises: Generating a configuration index key according to the transmitter identifier, and reading a flow template, a test item set and a threshold set according to the configuration index key; Screening from the test item set according to the test requirement to obtain a primary item set, and reading a front item corresponding to the primary item set according to a flow template to generate an effective item set; And reading the frequency point set according to the effective item set, generating a test item execution sequence according to the flow template, matching the threshold value set to the corresponding test item according to the execution sequence, and generating a test plan.
4. A comprehensive inspection maintenance platform for an aircraft emergency positioning transmitter according to claim 3, wherein performing radio frequency link calibration to obtain link compensation data comprises: Extracting a link route and a frequency point set of a calibration item according to a test plan, wherein the link route comprises an interface type, an attenuator configuration, a load configuration and an instrument port configuration; according to the session mapping, calling a radio frequency measuring instrument session corresponding to the link route, and completing range configuration and reading acquisition under each frequency point to obtain a calibration power reading sequence and a calibration frequency reading sequence; generating link compensation data according to the calibration power reading sequence and nominal parameters of the link route, and associating the link compensation data with the link route and the frequency point.
5.A comprehensive inspection and repair platform for an aircraft emergency positioning transmitter according to claim 3, wherein deriving the wiring signature from the interface topology verification comprises: Extracting interface types and expected connection relationships of interface topology verification items according to a test plan, wherein the interface types comprise a 22-pin interface, a radio frequency coaxial interface and a remote control wire harness interface; According to the session mapping, a direct current power supply session and an electrical measurement session corresponding to the interface topology verification item are called, and a connectivity reading sequence and a load in-place reading sequence are acquired according to a desired connection relation; Generating an edge-level connection state set according to the connectivity reading sequence and the load in-place reading sequence, and generating an integral connection mark according to the edge-level connection state set.
6. The integrated inspection and repair platform for an aircraft emergency positioning transmitter of claim 1, wherein acquiring radio frequency test data according to a test plan based on a session map comprises: Extracting a frequency point set and a link route corresponding to the radio frequency item according to the test plan, and associating the link route with a radio frequency measuring instrument session in a session map; Acquiring a power reading sequence and a frequency reading sequence under each frequency point according to the radio frequency measuring instrument session, applying link compensation data to the power reading sequence according to the link route and the frequency point, and generating a compensation power sequence; Generating power features and frequency features associated with the frequency bins from the compensated power sequence and frequency reading sequence, and inputting the emission window features associated with the 406MHz entry and the frequency features.
7. The integrated inspection and repair platform for an aircraft emergency positioning transmitter according to claim 6, wherein collecting functional test data, current consumption data, digital information data, and mask room reception data according to a test plan based on a session map, generating a feature set comprises: extracting functional items according to the test plan, associating the functional items with a triggering session and a receiving session in session mapping, collecting a triggering sequence and a receiving sequence, and generating triggering response characteristics; Extracting a current consumption item according to a test plan, associating the current consumption item with an electrical measurement session in a session map, collecting a current sequence, and generating a current consumption characteristic comprising a standby current characteristic, an emission current characteristic and a switching peak characteristic; Extracting digital information items according to a test plan, associating the digital information items with a positioning beacon tester session in a session map, collecting digital information fields, and generating field consistency characteristics and field positioning characteristics; Extracting a shielding room receiving item according to a test plan, associating the shielding room receiving item with a receiving session in a session map, collecting a shielding room receiving sequence, and generating shielding room receiving characteristics including receivable characteristics and receiving intermittent characteristics; And associating and collecting the triggering response characteristic, the current consumption characteristic, the digital information characteristic, the shielding room receiving characteristic and the radio frequency characteristic to generate a characteristic set.
8. The integrated inspection maintenance platform for an aircraft emergency positioning transmitter of claim 1, wherein generating a decision result from the feature set, the link compensation data, and the threshold set comprises: establishing an index relation between the feature set and the link route according to the test item, the frequency point, establishing a threshold index relation between the threshold set and the frequency point, and establishing a compensation index relation between the link compensation data and the frequency point according to the link route; matching the link compensation data to radio frequency related features according to the index relation, and respectively matching the matched radio frequency features and other features with corresponding items of the threshold value set to generate a item-by-item judgment mark set; And generating a complete machine judging result according to the item-by-item judging mark set, and outputting the complete machine judging result and the item-by-item judging mark set in a correlated way.
9. The integrated inspection and repair platform for an aeronautical emergency positioning transmitter of claim 1, wherein generating cross-link cross-correlation bias and anomaly cues from the feature set, the link compensation data, and the threshold set comprises: Dividing the feature set into an imported link feature subset and a shielding room receiving feature subset, wherein the imported link feature subset comprises functional features, radio frequency features, current consumption features and digital information features; Generating an import link consistency index and a shielding room receiving consistency index according to the import link feature subset and the shielding room receiving feature subset, and generating a cross-link mutual evidence deviation degree according to the import link consistency index and the shielding room receiving consistency index; And generating an abnormal prompt item set according to the cross-link mutual evidence deviation degree and the item-by-item judgment mark set, wherein the abnormal prompt item comprises an item identifier, a frequency point identifier, a link route identifier and an evidence reference identifier.
10. The integrated inspection and repair platform for an aircraft emergency positioning transmitter according to claim 1, wherein generating a report based on the determination and the anomaly prompt, writing the archive record comprises: Receiving a test plan, a judging result and an abnormality prompt which are associated with the transmitter identifier, and generating a report data packet, wherein the report data packet comprises a test plan item identifier, a item-by-item judging mark, a complete machine judging mark and an abnormality prompt item; Generating a report entry set by calling a report template according to the report data packet, and establishing association between the report entry set and the evidence reference mark of the abnormal prompt entry to obtain a report evidence association relationship; generating a report file according to the report entry set and the report evidence association relation, and storing the report file to a local storage path; an archive record is generated from the transmitter identification and the report file path, and the archive record is written to an archive log.

Description

Comprehensive detection maintenance platform for aviation emergency positioning transmitter Technical Field The invention relates to the field of avionic detection, in particular to a comprehensive detection maintenance platform for an aviation emergency positioning transmitter. Background The method mainly comprises two modes of detection and maintenance of emergency positioning transmitters by an existing airline company and MRO maintenance mechanism, namely firstly, the emergency positioning transmitters are simply detected on site on the airplane by adopting a portable emergency positioning transmitter tester, the mode is generally limited by test resources, test environments and connection conditions, the test coverage is limited, systematic and recheckable data support for key parameters is difficult to form, secondly, only partial parameters are detected and maintained in a maintenance detection link, test items are selected and dispersed, and the test sequence and the threshold caliber depend on manual experience, so that the consistency and traceability of different batches and different personnel in execution are difficult to ensure. The emergency positioning transmitter test bench closest to the invention can carry out G-SWITCH function test, audio modulation check, 121.5/243/406MHz frequency and power measurement, current consumption test, digital information verification and other projects on the emergency positioning transmitter, but has obvious defects that on one hand, key projects such as remote control test and antenna performance test cannot be covered, so that the important working state and link condition of the emergency positioning transmitter part lack effective verification, on the other hand, the integrated control and software test function is lacking, the test process often depends on independent operation of a dispersion instrument, unified session management, data acquisition driven by a test plan, link calibration and compensation, interface topology verification, result judgment and summarization, automatic generation of report and filing record are difficult to realize, and further the problems of low test efficiency, poor operation consistency, weak data association, high retest and the like are caused. Therefore, a comprehensive detection maintenance platform for an aviation emergency positioning transmitter is needed, and on the basis of not changing the existing test project system, the process and structural organization of instrument conversation, test plan, link calibration compensation, connection verification, data acquisition, judgment output and report archiving are realized, so that the requirements of a maintenance detection scene on critical project coverage, clear data transmission and traceable management are met. Disclosure of Invention Based on the above-mentioned shortcomings of the prior art, the present invention aims to provide a comprehensive detection and maintenance platform for aviation emergency positioning transmitters, so as to solve the above-mentioned technical problems. In order to achieve the purpose, the invention provides the following technical scheme that the comprehensive detection and maintenance platform for the aviation emergency positioning transmitter comprises the following components: establishing a communication session according to the instrument resource address, and generating session mapping; reading a test item set, a threshold set and a frequency point set according to the transmitter identification to generate a test plan; Acquiring calibration data according to a test plan according to session mapping, performing radio frequency link calibration to obtain link compensation data, and obtaining a connection mark according to interface topology verification; When the connection mark passes, functional test data, radio frequency test data, consumption flow data, digital information data and shielding room receiving data are collected according to a session map and a test plan, so that a feature set is generated; Generating cross-link interaction deviation degree, a judging result and an abnormal prompt according to the feature set, the link compensation data and the threshold set; And generating a report according to the judging result and the abnormal prompt, and writing the report into the archive record. The invention is further arranged that the establishing a communication session according to the instrument resource address, the generating a session map comprises: Acquiring instrument resource addresses of a direct-current power supply, a digital multimeter and a radio comprehensive tester; establishing a communication session based on NIVISA drivers according to the instrument resource address; And generating a session map from the correspondence of the instrument resource address and the communication session. The invention is further arranged that the generating a test plan comprises: Generating a configuration index