CN112526416B - Magnetic polarity testing method and device - Google Patents
Magnetic polarity testing method and device Download PDFInfo
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- CN112526416B CN112526416B CN202011270020.2A CN202011270020A CN112526416B CN 112526416 B CN112526416 B CN 112526416B CN 202011270020 A CN202011270020 A CN 202011270020A CN 112526416 B CN112526416 B CN 112526416B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
- G01R33/06—Measuring direction or magnitude of magnetic fields or magnetic flux using galvano-magnetic devices
- G01R33/07—Hall effect devices
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/12—Measuring magnetic properties of articles or specimens of solids or fluids
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Abstract
The embodiment of the invention discloses a magnetic polarity testing method and device. The method comprises the following steps: after the magnetic polarity test system is started, determining a magnetic torquer to be tested; sending a pulse width instruction to the magnetic torquer to be tested; after the pulse width command is successfully sent, detecting magnetic polarity data of the connector assembly end of the magnetic torquer based on a probe of a bipolar Hall sensor; the magnetic polarity data is transmitted to a satellite. The embodiment of the invention can be suitable for different satellites of different test platforms, has good universality, can be completed by a single person without matching an electrical testing room and a hall in the whole test process, has flexible test time, does not influence the test of other contents of the whole satellite, reduces the limitation of the test implementation process, has simple and easy operation connection steps, can form a complete closed loop with the whole satellite test process, can directly broadcast the test result to a network, and is convenient for recording and interpretation.
Description
Technical Field
The invention relates to the technical field of satellite magnetic polarity test, in particular to a magnetic polarity test method and a magnetic polarity test device.
Background
The process of measuring the polarity of the magnetic torquer by adopting the traditional compass method is complicated, the pointer is insensitive to swing, and particularly when the magnetic torquer with small magnetic moment is measured, the pointer hardly swings, so that the polarity result of the magnetic torquer is unclear, the polarity misjudgment is easily caused, and great risk exists. After the magnetic torquer is installed on the whole satellite, because the installation positions of the magnetic torquer of different satellites are different, the testing is difficult, the satellites and other parts are easy to be damaged, the testing complexity is high, and a plurality of potential safety hazards exist.
In the existing stage of testing the polarity of components of a small satellite control subsystem, a test command is sent to an electrical testing room through a master control software, a dispatching machine informs testers in a master assembly hall, the testers perform relevant operations, the execution conditions are fed back to the electrical testing room through the dispatching machine, interpretation personnel in the electrical testing room judge test results through a telemetering display software, and next-step operation is performed after no error is confirmed. The whole process needs test command, operation personnel and interpretation personnel to be matched together, the number of involved people is large, and the convenience of the operation process is poor; the test implementation time is restricted by the whole star and limited by the test site, and if the distance between the dispatcher and the tester is too far, real-time communication is not facilitated.
Disclosure of Invention
The invention solves the technical problems that: the defects of the prior art are overcome, and a magnetic polarity testing method and a magnetic polarity testing device are provided.
In order to solve the above technical problem, an embodiment of the present invention provides a magnetic polarity testing method, including:
after the magnetic polarity test system is started, determining a magnetic torquer to be tested;
sending a pulse width instruction to the magnetic torquer to be tested;
after the pulse width command is successfully sent, detecting magnetic polarity data of a connector end of the magnetic torquer based on a probe of a bipolar Hall sensor;
the magnetic polarity data is transmitted to a satellite.
Optionally, before the determining the magnetic torquer to be tested, the method further includes:
acquiring test rules corresponding to the written control subsystem components, and adding the test rules to a database;
modifying the configuration parameters of the configuration file in the magnetic polarity test system to obtain modified configuration parameters; the configuration parameters include: the modified configuration parameters are used for generating a remote control instruction data frame and sending the remote control instruction data frame to the master control software in the application process, and generating a remote control data frame in real time and broadcasting the remote control data frame to the test network.
Optionally, after the magnetic polarity testing system is started, determining a magnetic torquer to be tested includes:
the magnetic polarity test system is accessed to a test network through a network cable;
after the satellite and the control subsystem are powered on, starting the magnetic polarity test system, and connecting the magnetic polarity test system with master control software;
and acquiring the magnetic torquer to be tested.
Optionally, the sending a pulse width command to the magnetic torquer to be tested includes:
and sequentially sending a positive pulse width instruction, a negative pulse width instruction and a 0 pulse width instruction to the magnetic torquer to be tested.
Optionally, after the pulse width command is successfully sent, detecting, based on a bipolar hall sensor probe, magnetic polarity data of a connector end of the magnetic torquer, includes:
under the condition that the positive pulse width command is successfully sent, detecting first magnetic polarity test data of a connector assembly end of the magnetic torquer under the positive pulse width command based on the probe of the bipolar Hall sensor;
under the condition that the negative pulse width instruction is successfully sent, detecting second magnetic polarity test data of the connector end of the magnetic torquer under the negative pulse width instruction based on the probe of the bipolar Hall sensor;
and under the condition that the 0 pulse width command is successfully sent, detecting third magnetic polarity test data of the connector end of the magnetic torquer under the 0 pulse width command based on the probe of the bipolar Hall sensor.
Optionally, after the transmitting the magnetic polarity data to the satellite, the method further includes:
recording and saving the magnetic polarity data;
and turning off the power supply of the test equipment and disconnecting the network cable.
In order to solve the above technical problem, an embodiment of the present invention further provides a magnetic polarity testing apparatus, including:
the magnetic torquer determining module is used for determining the magnetic torquer to be tested after the magnetic polarity testing system is started;
the pulse width instruction sending module is used for sending a pulse width instruction to the magnetic torquer to be tested;
the magnetic polarity data detection module is used for detecting the magnetic polarity data of the connector end of the magnetic torquer based on the probe of the bipolar Hall sensor after the pulse width command is successfully sent;
and the magnetic polarity data sending module is used for sending the magnetic polarity data to the satellite.
Optionally, the method further comprises:
the test rule acquisition module is used for acquiring test rules corresponding to the written control subsystem components and adding the test rules to the database;
the configuration parameter modification module is used for modifying the configuration parameters of the configuration files in the magnetic polarity test system to obtain modified configuration parameters; the configuration parameters include: the modified configuration parameters are used for generating a remote control instruction data frame in the application process, sending the remote control instruction data frame to the master control software, generating a remote control data frame in real time and broadcasting the remote control data frame to the test network.
Optionally, the magnetotorquer determination module comprises:
the test system access unit is used for accessing the magnetic polarity test system into a test network through a network cable;
the test system starting unit is used for starting the magnetic polarity test system after the satellite and the control subsystem are powered on, and connecting the magnetic polarity test system with the master control software;
and the magnetic torquer acquiring unit is used for acquiring the magnetic torquer to be tested.
Optionally, the pulse width instruction sending module includes:
and the pulse width instruction sending unit is used for sequentially sending a positive pulse width instruction, a negative pulse width instruction and a 0 pulse width instruction to the magnetic torquer to be tested.
Optionally, the magnetic polarity data detection module includes:
the first test data detection unit is used for detecting first magnetic polarity test data of the connector end of the magnetic torquer under the positive pulse width command on the basis of the bipolar Hall sensor probe under the condition that the positive pulse width command is successfully sent;
the second test data detection unit is used for detecting second magnetic polarity test data of the connector end of the magnetic torquer under the negative pulse width instruction on the basis of the probe of the bipolar Hall sensor under the condition that the negative pulse width instruction is successfully sent;
and the third test data detection unit is used for detecting third magnetic polarity test data of the connector end of the magnetic torquer under the 0 pulse width instruction based on the probe of the bipolar Hall sensor under the condition that the 0 pulse width instruction is successfully sent.
Optionally, the method further comprises:
the magnetic polarity data storage module is used for recording and storing the magnetic polarity data;
and the test equipment power supply closing module is used for closing the test equipment power supply and disconnecting the network cable.
Compared with the prior art, the invention has the advantages that:
(1) The actual size of the invention is about 10.6cm 7.3cm 6.8cm, and the test can be carried out by connecting a test net through a net wire when the invention is used. Has the advantages of small volume, light weight, convenient carrying, high sensitivity, difficult damage, long service life and the like.
(2) The configuration file is used for setting required information such as test instructions, remote measurement parameters and the like, so that the method is suitable for different satellites of different test platforms, and has good universality.
(3) Compared with the currently adopted multi-user sub-system testing mode, the invention can greatly improve the testing efficiency and obviously reduce the personnel required by the test. The whole testing process is completed without the cooperation of an electric testing room and a hall, can be completed by a single person, is flexible in testing time, does not influence the testing of other contents of the whole satellite, and reduces the limitation of the testing implementation process.
(4) The invention is connected with the whole satellite testing network, so that a special on-satellite interface is not required to be designed, the connection steps are simple and easy to operate, and a complete closed loop can be formed with the whole satellite testing process. The test result can be directly broadcast to the network, which is convenient for recording and interpretation.
Drawings
FIG. 1 is a flow chart illustrating the steps of a magnetic polarity testing method according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a magnetic polarity testing apparatus according to an embodiment of the present invention.
Detailed Description
Example one
Referring to fig. 1, a flowchart illustrating steps of a magnetic polarity testing method according to an embodiment of the present invention is shown, and as shown in fig. 1, the magnetic polarity testing method may specifically include the following steps:
step 101: after the magnetic polarity test system is activated, the magnetic torquer to be tested is determined.
The embodiment of the invention can be applied to the scene of detecting the magnetic polarity of the connector end of the magnetic torquer.
Magnetic torquers (Magnetic torque) refer to devices that produce a dipole Magnetic moment. The interaction of the magnetic moment of the spacecraft and the geomagnetic field where the spacecraft is located generates magnetic control moment for carrying out attitude control or momentum management on the spacecraft.
The magnetic torquer generally has two types of a core coil and a core coil. Magnetic torquers are commonly used in conjunction with angular momentum exchange devices or gravity gradient poles. Magnetic unloading of flywheels in particular has been widely adopted. The main disadvantage of the magnetic torquer is that it cannot provide three axes of control torque simultaneously. In fact, its moment direction must be perpendicular to the local geomagnetic field strength vector.
The magnetic torquer body consists of a bar-shaped magnetic core with high magnetic permeability and a coil uniformly and densely wound outside, and the coil can generate required working magnetic moment when rated current is applied. The length-diameter ratio of the magnetic torquer is generally larger than 10, the generated magnetic moment has good directivity (along the long axis direction of a magnetic core), the distribution of an external magnetic field is very close to a magnetic dipole field, the distance from the magnetic dipole field to the position of 1 time of the envelope size of the center of the magnetic torquer is not larger than 10%, the calculated deviation of the magnetic field of a dipole formula to the position of the magnetic torquer is not larger than 2%, and the farther the distance is, the closer the distance is to the magnetic dipole field.
The magnetic polarity test system is used for testing the magnetic polarity of the connector end of the magnetic torquer, and the magnetic torquer to be tested can be determined after the magnetic polarity test system is started.
Of course, before determining the magnetic torquer to be tested, the configuration parameters of the magnetic polarity test system may be modified, and service personnel may write test rules corresponding to the control subsystem components in advance, which may be described in detail in combination with the following specific implementation manner.
In a specific implementation manner of the embodiment of the present invention, before the step 101, the method may further include:
step A1: and acquiring a test rule corresponding to the written control subsystem component, and adding the test rule to a database.
In the embodiment of the invention, the test rules refer to rules written by business personnel for testing.
After the test rule corresponding to the control subsystem component written by the service personnel is obtained, the test rule can be added into the database for reference in subsequent tests.
Step A2: modifying the configuration parameters of the configuration file in the magnetic polarity test system to obtain modified configuration parameters; the configuration parameters include: the modified configuration parameters are used for generating a remote control instruction data frame and sending the remote control instruction data frame to the master control software in the application process, and generating a remote control data frame in real time and broadcasting the remote control data frame to the test network.
After the test rules compiled by the service personnel are stored in the database, the service personnel can modify the configuration parameters of the configuration file in the magnetic polarity test system to obtain modified configuration parameters, and specifically, the configuration parameters can include network configuration parameters, instruction codes and telemetry parameter codes.
After the configuration parameters are modified, the magnetic polarity test system can be accessed to a test network through a network cable, then the satellite and the control subsystem are powered up to start the magnetic polarity test system, and the magnetic polarity test system is connected with the master control software, so that the magnetic torquer to be tested is obtained.
In the application process, after the test system is started, a connection button is clicked, an IP address and a port parameter in a configuration file are called, and a TCP/IP protocol is adopted to connect the magnetic polarity test system and the master control software; when the test instruction is sent, the information such as the instruction code number, the parameter code number and the like in the configuration file is generated into a remote control instruction data frame according to the communication protocol format, and the remote control instruction data frame is sent to the master control software.
After the determination of the magnetic torquer to be tested, step 102 is performed.
Step 102: and sending a pulse width instruction to the magnetic torquer to be tested.
Pulse width refers to the width of a pulse, which has different meanings, and in the electronic field, the pulse width refers to the period during which the maximum value reached by the pulse lasts. I.e. the maximum value that the pulse can reach is called the "pulse width".
The pulse width command refers to a pulse command with a different width, and in the present embodiment, the pulse width command may include a positive pulse width command, a negative pulse width command, and a 0 pulse width command.
After determining the magnetic torquer to be tested, a pulse width command may be sent to the magnetic torquer to be tested, and specifically, a positive pulse width command, a negative pulse width command, and a 0 pulse width command may be sent to the magnetic torquer to be tested, respectively.
After sending the pulse width command to the magnetic torquer to be tested, step 103 is executed.
Step 103: and after the pulse width command is successfully sent, detecting the magnetic polarity data of the connector end of the magnetic torquer based on a probe of the bipolar Hall sensor.
After the pulse width command is successfully sent, the magnetic polarity data of the connector end of the magnetic torquer can be detected based on the bipolar Hall sensor probe of the system, and in practical application, the detected magnetic polarity result can be displayed in real time by the Hall sensor indicator lamp and the display screen. In particular, the detailed description may be combined with the following specific implementations.
In another specific implementation manner of the embodiment of the present invention, the step 103 may include:
substep B1: and detecting first magnetic polarity test data of the connector end of the magnetic torquer under the positive pulse width command based on the probe of the bipolar Hall sensor under the condition that the positive pulse width command is successfully sent.
In an embodiment of the present invention, the first magnetic polarity test data refers to the magnetic polarity data of the connector end of the magnetic torquer detected under the positive pulse width command.
In the case that the positive pulse width command is successfully sent, first magnetic polarity test data of the connector end of the magnetic torquer under the positive pulse width command can be detected based on the bipolar Hall sensor probe.
Substep B2: and under the condition that the negative pulse width instruction is successfully sent, detecting second magnetic polarity test data of the connector end of the magnetic torquer under the negative pulse width instruction based on the probe of the bipolar Hall sensor.
The second magnetic polarity test data refers to the magnetic polarity data of the connector end of the magnetic torquer detected under the negative pulse width command.
And under the condition that the negative pulse width command is successfully sent, detecting second magnetic polarity test data of the connector end of the magnetic torquer under the negative pulse width command based on the probe of the bipolar Hall sensor.
Substep B3: and detecting third magnetic polarity test data of the connector end of the magnetic torquer under the 0 pulse width command based on the probe of the bipolar Hall sensor under the condition that the 0 pulse width command is successfully sent.
The third magnetic polarity test data is the magnetic polarity data of the connector end of the magnetic torquer detected under the 0 pulse width command.
In the case that the 0 pulse width command is successfully sent, third magnetic polarity test data of the connector end of the magnetic torquer under the 0 pulse width command can be detected based on the probe of the bipolar hall sensor.
After detecting the magnetic polarity data of the connector end of the magnetotorquer based on the bipolar hall sensor probe, step 104 is performed.
Step 104: transmitting the magnetic polarity data to a satellite.
After detecting the magnetic polarity data at the connector end of the magnetic torquer, the magnetic polarity data may be transmitted to the satellite, and in particular, the magnetic polarity data may be transmitted to the satellite by way of the test net broadcasting telemetry data information.
After the magnetic polarity data are sent to the satellite, whether the testing process is finished or not is detected, and after the testing process is finished, the telemetering data can be recorded and stored, and the power supply of the testing equipment is turned off to disconnect the network cable.
According to the magnetic polarity testing scheme provided by the embodiment of the invention, the whole testing process can be completed by one person without the cooperation of an electric testing room and a hall, the testing time is flexible, the testing of other contents of the whole satellite is not influenced, and the limitation of the testing implementation process is reduced.
Example two
Referring to fig. 2, a schematic structural diagram of a magnetic polarity testing apparatus provided in an embodiment of the present invention is shown, and as shown in fig. 2, the magnetic polarity testing apparatus 200 may specifically include the following modules:
a magnetic torquer determination module 210, configured to determine a magnetic torquer to be tested after the magnetic polarity test system is started;
the pulse width instruction sending module 220 is configured to send a pulse width instruction to the magnetic torquer to be tested;
the magnetic polarity data detection module 230 is configured to detect magnetic polarity data of the connector end of the magnetic torquer based on a probe of the bipolar hall sensor after the pulse width command is successfully sent;
a magnetic polarity data transmission module 240 for transmitting the magnetic polarity data to a satellite.
Optionally, the method further comprises:
the test rule acquisition module is used for acquiring a test rule corresponding to a written control subsystem component and adding the test rule to a database;
the configuration parameter modification module is used for modifying the configuration parameters of the configuration files in the magnetic polarity test system to obtain modified configuration parameters; the configuration parameters include: the modified configuration parameters are used for generating a remote control instruction data frame in the application process, sending the remote control instruction data frame to the master control software, generating a remote control data frame in real time and broadcasting the remote control data frame to the test network.
Optionally, the magnetotorquer determination module 210 includes:
the test system access unit is used for accessing the magnetic polarity test system into a test network through a network cable;
the test system starting unit is used for starting the magnetic polarity test system after the satellite and the control subsystem are powered on, and connecting the magnetic polarity test system with the master control software;
and the magnetic torquer acquiring unit is used for acquiring the magnetic torquer to be tested.
Optionally, the pulse width instruction sending module 220 includes:
and the pulse width instruction sending unit is used for sequentially sending a positive pulse width instruction, a negative pulse width instruction and a 0 pulse width instruction to the magnetic torquer to be tested.
Optionally, the magnetic polarity data detection module 230 includes:
the first test data detection unit is used for detecting first magnetic polarity test data of the connector end of the magnetic torquer under the positive pulse width command on the basis of the bipolar Hall sensor probe under the condition that the positive pulse width command is successfully sent;
the second test data detection unit is used for detecting second magnetic polarity test data of the connector end of the magnetic torquer under the negative pulse width instruction on the basis of the probe of the bipolar Hall sensor under the condition that the negative pulse width instruction is successfully sent;
and the third test data detection unit is used for detecting third magnetic polarity test data of the connector end of the magnetic torquer under the 0 pulse width instruction on the basis of the bipolar Hall sensor probe under the condition that the 0 pulse width instruction is successfully sent.
Optionally, the method further comprises:
the magnetic polarity data storage module is used for recording and storing the magnetic polarity data;
and the test equipment power supply closing module is used for closing the test equipment power supply and disconnecting the network cable.
Those skilled in the art will appreciate that those matters not described in detail in the present specification are not particularly limited to the specific examples described herein.
Claims (4)
1. A method of magnetic polarity testing, comprising:
after the magnetic polarity test system is started, determining a magnetic torquer to be tested;
sending a pulse width instruction to the magnetic torquer to be tested;
the sending of the pulse width instruction to the magnetic torquer to be tested comprises the following steps:
sequentially sending a positive pulse width instruction, a negative pulse width instruction and a 0 pulse width instruction to the magnetic torquer to be tested;
after the pulse width command is successfully sent, detecting magnetic polarity data of the connector assembly end of the magnetic torquer based on a probe of a bipolar Hall sensor;
after the pulse width command is successfully sent, detecting magnetic polarity data of the connector end of the magnetic torquer based on a probe of a bipolar Hall sensor, wherein the detecting comprises the following steps:
under the condition that the positive pulse width command is successfully sent, detecting first magnetic polarity test data of a connector assembly end of the magnetic torquer under the positive pulse width command based on the probe of the bipolar Hall sensor;
under the condition that the negative pulse width instruction is successfully sent, detecting second magnetic polarity test data of the connector end of the magnetic torquer under the negative pulse width instruction based on the probe of the bipolar Hall sensor;
under the condition that the 0 pulse width command is successfully sent, detecting third magnetic polarity test data of the connector end of the magnetic torquer under the 0 pulse width command based on the probe of the bipolar Hall sensor;
transmitting the magnetic polarity data to a satellite;
before the determining the magnetic torquer to be tested, the method further comprises the following steps:
acquiring test rules corresponding to written control subsystem components, and adding the test rules to a database;
modifying the configuration parameters of the configuration file in the magnetic polarity test system to obtain modified configuration parameters; the configuration parameters include: the modified configuration parameters are used for generating a remote control instruction data frame in the application process, sending the remote control instruction data frame to the master control software, generating a remote measurement data frame in real time and broadcasting the remote measurement data frame to the test network;
after the magnetic polarity testing system is started, the magnetic torquer to be tested is determined, and the method comprises the following steps:
the magnetic polarity test system is connected to a test network through a network cable;
after the satellite and the control subsystem are powered on, starting the magnetic polarity testing system, and connecting the magnetic polarity testing system with a master control software;
and acquiring the magnetic torquer to be tested.
2. The method of testing of claim 1, further comprising, after said transmitting said magnetic polarity data to a satellite:
recording and saving the magnetic polarity data;
and turning off the power supply of the test equipment and disconnecting the network cable.
3. A magnetic polarity testing apparatus, comprising:
the magnetic torquer determining module is used for determining the magnetic torquer to be tested after the magnetic polarity testing system is started;
the pulse width instruction sending module is used for sending a pulse width instruction to the magnetic torquer to be tested;
the magnetic polarity data detection module is used for detecting the magnetic polarity data of the connector end of the magnetic torquer based on the probe of the bipolar Hall sensor after the pulse width command is successfully sent;
the magnetic polarity data sending module is used for sending the magnetic polarity data to a satellite;
the test rule acquisition module is used for acquiring test rules corresponding to the written control subsystem components and adding the test rules to the database;
the configuration parameter modification module is used for modifying the configuration parameters of the configuration files in the magnetic polarity test system to obtain modified configuration parameters; the configuration parameters include: the modified configuration parameters are used for generating a remote control instruction data frame and sending the remote control instruction data frame to the master control software in the application process, and generating a remote control data frame in real time and broadcasting the remote control data frame to the test network;
the pulse width instruction sending module comprises:
the pulse width instruction sending unit is used for sequentially sending a positive pulse width instruction, a negative pulse width instruction and a 0 pulse width instruction to the magnetic torquer to be tested;
the magnetic polarity data detection module includes:
the first test data detection unit is used for detecting first magnetic polarity test data of the connector end of the magnetic torquer under the positive pulse width instruction on the basis of the probe of the bipolar Hall sensor under the condition that the positive pulse width instruction is successfully sent;
the second test data detection unit is used for detecting second magnetic polarity test data of the connector end of the magnetic torquer under the negative pulse width command on the basis of the bipolar Hall sensor probe under the condition that the negative pulse width command is successfully sent;
the third test data detection unit is used for detecting third magnetic polarity test data of the connector end of the magnetic torquer under the 0 pulse width instruction on the basis of the probe of the bipolar Hall sensor under the condition that the 0 pulse width instruction is successfully sent;
the magnetotorquer determination module includes:
the test system access unit is used for accessing the magnetic polarity test system into a test network through a network cable;
the test system starting unit is used for starting the magnetic polarity test system after the satellite and the control subsystem are powered on, and connecting the magnetic polarity test system with the master control software;
and the magnetic torquer acquiring unit is used for acquiring the magnetic torquer to be tested.
4. The testing device of claim 3, further comprising:
the magnetic polarity data storage module is used for recording and storing the magnetic polarity data;
and the test equipment power supply closing module is used for closing the test equipment power supply and disconnecting the network cable.
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