The invention provides a multi-axis servo operation data monitoring method based on a serial bus. A data acquisition device comprises a master station for processing data and servo slave stations located in the same local area network. The method comprises the following steps of (1) data sampling configuration, wherein the master station sends a command of a data configuration frame to the slave stations in a broadcast mode firstly, so that the slave stations complete data sampling configuration, and the master station receives response frames of all the slave stations; (2) sampling data transmission, wherein the master station sends a command of a data request frame to each slave station in sequence, and acquires sampling data of each slave station in sequence; and (3) master station dataprocessing, wherein the master station carries out sorting and analysis on the sampling data of all target slave stations, and processes and displays all data. The system is based on a serial bus technology and is low in cost, the operation data of multiple servo systems in the local area network can be acquired and analyzed at the same time, the data with higher precision in the servo systems can be monitored, and on-site debugging and improvement of the user can be facilitated.

Multi-axis servo operation data monitoring method based on serial bus

The invention discloses a revolving barrel cannon object emissivity binary channel calibration device and method, and solves the technical problems that the existing revolving barrel cannon object emissivity single channel calibration device object emissivity calibration stability is poor; the calibration device comprises a hand-held infrared thermometric indicator, a bonding type fast response thermocouple and a hand-held temperature calibrator; the bonding type fast response thermocouple measuring end is bonded to a reference point, and the thermocouple output end is connected with the input end of the hand-held temperature calibrator, thus allowing a hand-held infrared thermometric indicator infrared probe to aim at an object point. The bonding type fast response thermocouple and the hand-held temperature calibrator form a contact type testing channel; aiming at the reference point and object point of a tested cross section, the binary channel synchronization testing method can fast extract, test, display and record the reference point temperature signals; the reference point and object point temperature synchronization testing on the tested cross section is realized, thus solving the alternative testing technical problems in the background technology, and improving the object emissivity calibration stability.

Revolving barrel cannon object emissivity binary channel calibration device and method

The invention discloses a muzzle transient temperature signal acquisition apparatus and method, and is used for solving the technical problem of poor test precision of the transient temperature peak value of the conventional muzzle transient temperature signal acquisition apparatus. According to the technical scheme, the apparatus comprises a compensation wire, a micro rapid response thermocouple, a temperature adapter, and a high-performance data acquisition system. In the method, the micro rapid response thermocouple realizes rapid response of transient temperature signals within 10 ms by employing a structure with the node diameter at a measuring end of 0.1 mm and the thermocouple wire diameter of 0.079 mm, the temperature adapter realizes adaptive compensation of temperature change of an output terminal of the long-distance compensation wire, and the high-performance data acquisition system realizes acquisition of tested signals with 100 times of frequency and double-channel tests of voltage temperature signals through the sampling rate of 1 MS/s/CH. According to the apparatus and method, the high-speed sampling capability of the transient temperature signals is great, the test error of the transient temperature peak value is reduced, and the test precision of the transient temperature peak value is improved.

Muzzle transient temperature signal acquisition apparatus and method

The invention relates to a colorful imaging temperature field measurement device and a colorful imaging temperature field measurement method based on an auxiliary FM light source. The device comprises the auxiliary FM light source which performs radiation on the surface of a to-be-measured object, and a colorful image photoelectric sensor. The colorful image photoelectric sensor acquires a first colorful image on the surface of the to-be-measured object on the condition that the auxiliary FM light source is on, and acquires a second colorful image on the condition that the auxiliary FM light source is off. The RGB chromatic values of each pixel of the first colorful image correspond with first radiation strengths of three spectral channels. The RGB chromatic values of each pixel of the second colorful image correspond with second radiation strengths of the three spectral channels. The temperature of the to-be-measured object is determined according to the first radiation strengths, the second radiation strengths and the radiation strength of the auxiliary FM light source. The colorful imaging temperature field measurement device and the colorful imaging temperature field measurement method realize temperature field measurement on a large-temperature-gradient object on the condition of unknown emissivity and enlarges an effective range in temperature field measurement.

Colorful imaging temperature field measurement device and colorful imaging temperature field measurement method based on auxiliary FM light source

The invention provides a measuring system and method for a tail flame temperature field in a solid engine ground test. The measuring system comprises an infrared thermal imaging test system, a multi-spectral measurement system, a colorimetric measurement system, a thermocouple measurement system, a calibration system, and a data analysis processing system. The invention adopts the combination of acontact method and a non-contact method, and uses an infrared thermal imaging technology, a multi-spectral method, a colorimetric temperature measurement method and a thermocouple method to measure the "point" temperature and the "surface" temperature. The temperature field distribution of the tail flame is obtained by calibrating and measuring in real time and performing calibration correction.The measuring system and method for tail flame temperature field in solid engine ground test fully describes the morphological structure of the tail flame temperature field, and can obtain the temperature field and structural size of the engine tail flame which cannot be obtained by conventional measuring means.

Measuring system and method for tail flame temperature field in solid engine ground test

The invention discloses an artillery high-speed colorimetric infrared temperature measurement device and a method, which is used for solving a technical problem that an existing non-contact artillery temperature parameter test device is low in test precision The technical scheme is that the artillery high-speed colorimetric infrared temperature measurement device comprises a medium temperature high-speed colorimetric infrared temperature sensor, a high temperature high-speed colorimetric temperature sensor, a sampling circuit and a multichannel data acquisition system, wherein the medium temperature colorimetric infrared temperature sensor extracts temperature signals of a medium temperature zone by adopting a short wave band and a long wave band, the temperature signals are conditioned into current signals and then outputted, and the current signals are converted into analog voltage signals through the sampling circuit and then outputted; the high temperature high-speed colorimetric infrared temperature sensor extracts temperature signals of a high temperature zone by adopting a short wave band and a long wave band, the temperature signals are conditioned into current signals and then outputted, and the current signals are converted into analog voltage signals through the sampling circuit and then outputted; and the multichannel data acquisition system is used for acquiring, storing and processing the short-wave voltage signals and the long-wave voltage signals outputted by the medium temperature high-speed colorimetric infrared temperature sensor and the high temperature high-speed colorimetric infrared temperature sensor According to the invention, the test precision is improved

Artillery high-speed colorimetric infrared temperature measurement device and method

The invention discloses a signal conditioning based artillery temperature parameter test device and a method, which is used for solving a technical problem that an existing contact type artillery temperature parameter test device is poor in anti-interference ability. The technical scheme is that the signal conditioning based artillery temperature parameter test device comprises a temperature sensor and a compensating wire and is characterized by further comprising a temperature adapter, a multifunctional signal conditioning module and a 16-channel data acquisition system, wherein the temperature sensor is electrically connected with the temperature adapter through the compensating wire, the output end of the temperature adapter is connected with the input end of the multifunctional signal conditioning module, the output end of the multifunctional signal conditioning module is connected with the 16-channel high-speed data acquisition system, the temperature sensor converts tested temperature signals into electric signals, the electric signals are inputted into the temperature adapter through the compensating wire, the signals passing through the temperature adapter are sent to the multifunctional signal conditioning module, and signals passing through isolation and filtering conditioning are sent to the 16-channel data acquisition system so as to be processed. The device disclosed by the invention realizes conditioning for the tested signals by adopting the multifunctional signal conditioning module, and the anti-interference ability is improved.

Signal conditioning based artillery temperature parameter test device and method

The invention discloses a visual processing method for gun muzzle flow field data, which is used to solve the technical problem of low visual processing capability of the conventional gun muzzle flow field data processing method. The method adopts the technical scheme that angle-radius-based initial data in the .xlsx format is converted into test data in the .xlsx format, which is based on location coordinates, through the software Excel; a text source data file in the .txt format is generated through a text editor; the text source data file in the .txt format is converted into an operation data file in the .lay format through the flow field analysis software Tecplot 360; a flow field contour map data file in the .lay format is generated; and a visual graph file in the .jpeg format is exported. The method provided by the invention has the advantages that through generation of a muzzle flow field contour map with continuous changes and visual processing, all location areas with identical values can be identified, and a distribution layer of tested data can be viewed, so that the visual processing capability for the muzzle flow field data is improved.

Sun Bing

Papers

Artillery high-speed colorimetric infrared temperature measurement device and method

Revolving barrel cannon object emissivity binary channel calibration device and method

Signal conditioning based artillery temperature parameter test device and method

Visual processing method for gun muzzle flow field data

Muzzle transient temperature signal acquisition apparatus and method