CN111536995A - Gyroscope testing system and method - Google Patents
Gyroscope testing system and method Download PDFInfo
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- CN111536995A CN111536995A CN202010406362.6A CN202010406362A CN111536995A CN 111536995 A CN111536995 A CN 111536995A CN 202010406362 A CN202010406362 A CN 202010406362A CN 111536995 A CN111536995 A CN 111536995A
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- 230000005484 gravity Effects 0.000 claims description 45
- 238000010998 test method Methods 0.000 claims description 3
- 238000004891 communication Methods 0.000 description 4
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C25/00—Manufacturing, calibrating, cleaning, or repairing instruments or devices referred to in the other groups of this subclass
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Abstract
The invention relates to the field of gyroscopes, in particular to a gyroscope testing system and a method, which can improve testing efficiency and further improve the factory efficiency of a gyroscope. The method and the system are suitable for the gyroscope test system and the method.
Description
Technical Field
The invention relates to the field of gyroscopes, in particular to a gyroscope testing system and a gyroscope testing method.
Background
The application of the gyroscope in the electronic equipment is more and more extensive, although the manufacturer of the gyroscope device has quality guarantee to the device, but the manufacture link of the equipment can not avoid the possibility of generating defective products, so the defective products need to be screened out in the production and manufacture link, the screening test of the gyroscope device basically depends on simulating the preset environment at present, and then whether the gyroscope is qualified or not is evaluated according to the comparison of the actually measured parameters and the preset value.
Disclosure of Invention
The invention aims to provide a gyroscope testing system and a gyroscope testing method, which can improve the testing efficiency of a gyroscope, ensure the accuracy of a gyroscope testing result and further improve the delivery quality of the gyroscope.
The invention adopts the following technical scheme to realize the purpose, and the gyroscope test system comprises an upper computer and test equipment, wherein the test equipment at least comprises a control module;
the upper computer is used for sending a test instruction to the test equipment and receiving a test result returned by the control module;
the control module is used for controlling the gyroscope to collect data values of X-axis gravity acceleration, Y-axis gravity acceleration and Z-axis gravity acceleration of a group of gyroscopes in a normal working mode and a testing mode respectively, calculating corresponding X-axis gravity acceleration difference, Y-axis gravity acceleration difference and Z-axis gravity acceleration difference in the two modes, checking whether the difference is within a preset driving data range simulated by the testing mode, if the difference is within the range, returning the test to be qualified to the upper computer, and if the difference is not within the range, returning the test to be unqualified to the upper computer.
Further, in order to improve the accuracy of the test result, the control module is further configured to control the gyroscope to collect data values of multiple sets of X-axis gravitational acceleration, Y-axis gravitational acceleration and Z-axis gravitational acceleration of the gyroscope in the normal operating mode and the test mode, calculate an average value of X-axis gravitational acceleration, an average value of Y-axis gravitational acceleration, an average value of Z-axis gravitational acceleration corresponding to the gyroscope in the normal operating mode, and calculate an average value of X-axis gravitational acceleration, an average value of Y-axis gravitational acceleration, and an average value of Z-axis gravitational acceleration corresponding to the gyroscope in the test mode, calculate a difference value of the average values of X-axis gravitational acceleration, a difference value of the average value of Y-axis gravitational acceleration, and a difference value of the average value of Z-axis gravitational acceleration corresponding to the two modes, check whether the difference values are within a preset driving data range simulated in the test mode, and if the difference values are within, and the control module returns that the test is qualified to the upper computer, and if the test is not in the range, the control module returns that the test is unqualified to the upper computer.
Further, in order to improve the communication quality, the upper computer communicates with the test equipment through a UART interface.
Further, in order to improve the communication speed, the control module communicates with the gyroscope through an SPI or I2C interface.
The gyroscope testing method is applied to the gyroscope testing system and comprises the following steps:
step (1), sending a test instruction to test equipment, and controlling a gyroscope to enter a test flow by the test equipment;
step (2), setting the gyroscope in a normal working mode, and acquiring data values of X-axis gravitational acceleration, Y-axis gravitational acceleration and Z-axis gravitational acceleration of a plurality of groups of gyroscopes;
step (3), calculating the average value of the gravity acceleration of the X axis, the average value of the gravity acceleration of the Y axis and the average value of the gravity acceleration of the Z axis of the gyroscope in a normal working mode;
step (4), setting the gyroscopes to collect data values of X-axis gravitational acceleration, Y-axis gravitational acceleration and Z-axis gravitational acceleration of a plurality of groups of gyroscopes in a test mode;
step (5), calculating the average value of the gravity acceleration of the X axis, the average value of the gravity acceleration of the Y axis and the average value of the gravity acceleration of the Z axis of the gyroscope in a test mode;
step (6), calculating the difference of the average values of the gravity acceleration of the X axis, the gravity acceleration of the Y axis and the gravity acceleration of the Z axis of the gyroscope in two modes;
and (7) checking whether the difference value is within a preset driving data range simulated by the test mode, if so, returning to be qualified, and if not, returning to be unqualified.
Further, in the step (4), the setting the gyroscope in the test mode includes: and forcing a preset driving signal to be applied to a sensor of the gyroscope, so that the gyroscope works under the preset driving signal.
The invention sends a test instruction to a control module in test equipment through an upper computer, the control module controls a gyroscope to enter a test process after receiving the test instruction, the control module respectively collects a plurality of groups of data values of X-axis gravitational acceleration, Y-axis gravitational acceleration and Z-axis gravitational acceleration of the gyroscope in a normal working mode and a test mode, calculates the average value of X-axis gravitational acceleration, the average value of Y-axis gravitational acceleration and the average value of Z-axis gravitational acceleration corresponding to the working mode, calculates the average value of X-axis gravitational acceleration, the average value of Y-axis gravitational acceleration and the average value of Z-axis gravitational acceleration corresponding to the test mode, calculates the difference value of the average values in the two modes, checks whether the difference value is in a preset drive data range simulated by the test mode, if the difference value is in the range, indicates that the quality of the gyroscope meets factory requirements, and returns to test qualification, if the gyroscope is not in the range, the gyroscope quality is not in line with the factory requirements, and the test is returned to be unqualified. The method obtains accurate and effective data through the method, judges the quality of the gyroscope through data comparison, is direct, simple and effective, can greatly improve the testing efficiency, and further ensures the delivery quality of the gyroscope.
Drawings
FIG. 1 is a method flow diagram of a method of testing a gyroscope of the present invention.
Detailed Description
The gyroscope test system comprises an upper computer and test equipment, wherein the test equipment at least comprises a control module;
the upper computer is used for sending a test instruction to the test equipment and receiving a test result returned by the control module;
the control module is used for controlling the gyroscope to collect data values of X-axis gravity acceleration, Y-axis gravity acceleration and Z-axis gravity acceleration of a group of gyroscopes in a normal working mode and a testing mode respectively, calculating corresponding X-axis gravity acceleration difference, Y-axis gravity acceleration difference and Z-axis gravity acceleration difference in the two modes, checking whether the difference is within a preset driving data range simulated by the testing mode, if the difference is within the range, returning the test to be qualified to the upper computer, and if the difference is not within the range, returning the test to be unqualified to the upper computer.
In order to improve the accuracy of the test result, the control module is further used for controlling the gyroscope to collect data values of multiple groups of gyroscopes of X-axis gravitational acceleration, Y-axis gravitational acceleration and Z-axis gravitational acceleration under a normal working mode and a test mode respectively, calculating an average value of X-axis gravitational acceleration, an average value of Y-axis gravitational acceleration, an average value of Z-axis gravitational acceleration corresponding to the normal working mode, and an average value of X-axis gravitational acceleration, an average value of Y-axis gravitational acceleration and an average value of Z-axis gravitational acceleration corresponding to the test mode, calculating a difference value of the average values of X-axis gravitational acceleration, a difference value of the average value of Y-axis gravitational acceleration and a difference value of the average value of Z-axis gravitational acceleration corresponding to the two modes, checking whether the difference values are within a preset drive data range simulated by the test mode, and returning the test to the upper computer if the difference values are within the preset drive data range, if the test result is not within the range, the control module returns to the upper computer that the test is unqualified.
In order to improve the communication quality between the upper computer and the test equipment, the upper computer and the test equipment can communicate through a UART interface.
In order to improve the communication speed between the control module and the gyroscope, the control module and the gyroscope can communicate through an SPI or an I2C interface.
The gyroscope testing method disclosed by the invention is shown in a flow chart of a method as shown in figure 1, and comprises the following steps of:
step 101: sending a test instruction to test equipment, and controlling the gyroscope to enter a test flow by the test equipment;
step 102: setting the gyroscope in a normal working mode, and acquiring data values of X-axis gravitational acceleration, Y-axis gravitational acceleration and Z-axis gravitational acceleration of a plurality of groups of gyroscopes;
step 103: calculating the average value of the gravity acceleration of the X axis, the average value of the gravity acceleration of the Y axis and the average value of the gravity acceleration of the Z axis of the gyroscope in a normal working mode;
step 104: setting a gyroscope in a test mode, and acquiring data values of X-axis gravitational acceleration, Y-axis gravitational acceleration and Z-axis gravitational acceleration of a plurality of groups of gyroscopes;
step 105: calculating the average value of the gravity acceleration of the X axis, the average value of the gravity acceleration of the Y axis and the average value of the gravity acceleration of the Z axis of the gyroscope in a test mode;
step 106: calculating the difference of the average values of the gravity acceleration of the X axis, the gravity acceleration of the Y axis and the gravity acceleration of the Z axis of the gyroscope in two modes;
step 107: and checking whether the difference value is within a preset driving data range simulated by the test mode, if so, returning to be qualified in the test, and if not, returning to be unqualified in the test.
In step 104, setting a specific implementation means of the gyroscope in the test mode includes: the gyroscope is kept still, and a preset driving signal is forced to be applied to a sensor of the gyroscope, so that the gyroscope works under the preset driving signal.
In conclusion, the invention can greatly improve the testing efficiency, and can find out the unqualified gyroscope in time and report the unqualified gyroscope to the upper computer through accurate and effective data comparison, thereby further ensuring the delivery quality of the gyroscope.
Claims (6)
1. Gyroscope test system, its characterized in that: the device comprises an upper computer and a test device, wherein the test device at least comprises a control module, the upper computer is connected with the control module in the test device, and the control module is connected with a gyroscope;
the upper computer is used for sending a test instruction to the test equipment and receiving a test result returned by the control module;
the control module is used for controlling the gyroscope to collect data values of X-axis gravity acceleration, Y-axis gravity acceleration and Z-axis gravity acceleration of a group of gyroscopes in a normal working mode and a testing mode respectively, calculating corresponding X-axis gravity acceleration difference, Y-axis gravity acceleration difference and Z-axis gravity acceleration difference in the two modes, checking whether the difference is within a preset driving data range simulated by the testing mode, if the difference is within the range, returning the test to be qualified to the upper computer, and if the difference is not within the range, returning the test to be unqualified to the upper computer.
2. The gyroscope test system of claim 1, wherein: the control module is also used for controlling the gyroscope to collect data values of multiple groups of gyroscopes of X-axis gravitational acceleration, Y-axis gravitational acceleration and Z-axis gravitational acceleration under a normal working mode and a testing mode respectively, calculating an average value of X-axis gravitational acceleration, an average value of Y-axis gravitational acceleration, an average value of Z-axis gravitational acceleration corresponding to the normal working mode, an average value of X-axis gravitational acceleration, an average value of Y-axis gravitational acceleration and an average value of Z-axis gravitational acceleration corresponding to the testing mode, calculating a difference value of the average values of X-axis gravitational acceleration, a difference value of the average values of Y-axis gravitational acceleration and a difference value of the average value of Z-axis gravitational acceleration corresponding to the two modes, checking whether the difference values are within a preset driving data range simulated by the testing mode, and if the difference values are within the preset driving data range, returning the testing to the upper computer if the difference values are qualified, if the test result is not within the range, the control module returns to the upper computer that the test is unqualified.
3. The gyroscope test system of claim 1, wherein: the upper computer communicates with the test equipment through a UART interface.
4. The gyroscope test system of claim 1, wherein: the control module communicates with the gyroscope through SPI or I2C interface.
5. A gyro test method applied to the gyro test system described in any one of items 1 to 4 above, characterized in that: the method comprises the following steps:
step (1), sending a test instruction to test equipment, and controlling a gyroscope to enter a test flow by the test equipment;
step (2), setting the gyroscope in a normal working mode, and acquiring data values of X-axis gravitational acceleration, Y-axis gravitational acceleration and Z-axis gravitational acceleration of a plurality of groups of gyroscopes;
step (3), calculating the average value of the gravity acceleration of the X axis, the average value of the gravity acceleration of the Y axis and the average value of the gravity acceleration of the Z axis of the gyroscope in a normal working mode;
step (4), setting the gyroscopes to collect data values of X-axis gravitational acceleration, Y-axis gravitational acceleration and Z-axis gravitational acceleration of a plurality of groups of gyroscopes in a test mode;
step (5), calculating the average value of the gravity acceleration of the X axis, the average value of the gravity acceleration of the Y axis and the average value of the gravity acceleration of the Z axis of the gyroscope in a test mode;
step (6), calculating the difference of the average values of the gravity acceleration of the X axis, the gravity acceleration of the Y axis and the gravity acceleration of the Z axis of the gyroscope in two modes;
and (7) checking whether the difference value is within a preset driving data range simulated by the test mode, if so, returning to be qualified, and if not, returning to be unqualified.
6. The gyroscope test method according to claim 5, characterized by: in step (4), the setting the gyroscope in the test mode includes: and forcing a preset driving signal to be applied to a sensor of the gyroscope, so that the gyroscope works under the preset driving signal.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112484758A (en) * | 2020-11-27 | 2021-03-12 | 内蒙古电力（集团）有限责任公司乌兰察布电业局 | Application of MEMS-based targeted gas-sensitive optical fiber sensing in state detection of oil-poor equipment |
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