CN112304334A - Navigation component precision calculation method based on MFC dialog box - Google Patents
Navigation component precision calculation method based on MFC dialog box Download PDFInfo
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- CN112304334A CN112304334A CN202010990937.3A CN202010990937A CN112304334A CN 112304334 A CN112304334 A CN 112304334A CN 202010990937 A CN202010990937 A CN 202010990937A CN 112304334 A CN112304334 A CN 112304334A
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- 238000004364 calculation method Methods 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 claims abstract description 5
- 238000012795 verification Methods 0.000 claims abstract description 5
- 238000009434 installation Methods 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 2
- 238000005259 measurement Methods 0.000 claims description 2
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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
Abstract
The invention relates to a navigation component precision calculation method based on MFC dialog boxes, which comprises the steps of firstly creating dialog box resources, generating dialog box classes, then adding controls and adding message processing functions of the controls for each dialog box, and finally writing in a precision calculation function to realize the calculation verification of the performance indexes of a navigation component and the performance indexes of a target vehicle (comparing navigation references). The method can quickly and accurately calculate the difference between the performance index of the navigation assembly and the performance index of the target vehicle, calculate and display various performance indexes of the navigation assembly in the window, and accordingly can more conveniently, quickly and intuitively verify whether the various performance indexes of the navigation assembly meet the requirements.
Description
Technical Field
The invention belongs to the navigation technology, and relates to a navigation component precision calculation method based on an MFC dialog box.
Background
The navigation component is a system for detecting attitude information, speed information and position information of a carrier, and is a device which can not be lacked in realizing carrier control and navigation positioning, but the verification of the performance accuracy of the navigation component needs to be compared with a navigation system with higher accuracy. Since the navigation data requires long-time data comparison to determine the performance accuracy, a large amount of data calculation is required. Therefore, how to quickly and accurately calculate the precision of the navigation component has very important practical engineering significance.
Disclosure of Invention
Technical problem to be solved
In order to avoid the defects of the prior art, the invention provides the navigation component precision calculation method based on the MFC dialog box, which is simple to operate and can quickly and accurately calculate and display the performance precision of the navigation component.
Technical scheme
A navigation component precision calculation method based on an MFC dialog box is characterized by comprising the following steps:
step 1: creating an MFC project based on a dialog box to obtain a main dialog box interface; then, sequentially adding control buttons for the main interface, and modifying the attributes of the control buttons; each control button comprises precision calculation, target vehicle data, inertial navigation data, longitude, latitude, altitude, east speed, north speed, sky speed, course, pitch, roll, total frame number, calculation frame, alignment time and browsing files;
step 2: sequentially selecting and calling the navigation data of the target car and the navigation data of the navigation component through a 'browse file' button;
and 3, calculating the precision of the navigation assembly:
1. finding out a sequence of complete time coincidence of the navigation data output by the target vehicle and the navigation data of the navigation assembly;
2. accumulating and calculating the difference of the attitude data of the target vehicle and the attitude data output by the navigation assembly, and taking the mean value to obtain the error of the installation angle;
3. subtracting the installation angle error from the attitude data output by the navigation component to obtain final attitude information of the navigation component;
4. and respectively calculating the accuracy of the course, the attitude, the speed and the position information of the navigation assembly by using a root mean square formula for the sequence of the time coincidence of the navigation data output by the target vehicle and the navigation data of the navigation assembly:
in the formula: BaChei output-real-time heading, attitude of ith target car reference deviceThe speed and the position of the device,
n-the number of samples,
FHDZi output- -real-time heading, attitude, speed, and position of the ith navigation component
Obtaining real-time course, attitude, speed and position measurement precision of the navigation component according to the numerical value of the root mean square formula;
5. and updating and displaying all the calculated speed information precision, position information precision and attitude information in the main interface window.
And calculating the initial alignment time of the navigation assembly according to the state flag bit of the output data of the detection navigation assembly, and updating and displaying in the main interface window.
And updating and displaying the total frame number of the data output by the navigation component and the frame number for performance index verification in the main interface window.
Advantageous effects
The invention provides a navigation component precision calculation method based on MFC dialog boxes, which comprises the steps of firstly creating dialog box resources, generating dialog box classes, then adding controls and adding message processing functions of the controls for each dialog box, and finally writing in a precision calculation function to realize the calculation verification of the performance indexes of the navigation component and the performance indexes of a target vehicle (comparing navigation references).
The method can quickly and accurately calculate the difference between the performance index of the navigation assembly and the performance index of the target vehicle, calculate and display various performance indexes of the navigation assembly in the window, and accordingly can more conveniently, quickly and intuitively verify whether the various performance indexes of the navigation assembly meet the requirements.
Drawings
FIG. 1 is an interface of navigation accuracy calculation software
FIG. 2 is a flow chart of a method implementation
Detailed Description
The invention will now be further described with reference to the following examples and drawings:
the invention relates to a navigation component precision calculation method based on an MFC dialog box, which has the key technology of realizing a flow inside a platform:
1) creating an MFC project based on a dialog box to obtain a main dialog box interface; and then sequentially adding control buttons as shown in fig. 1 to the main interface, and modifying the attributes of the control buttons.
2) Sequentially selecting navigation data of the target vehicle and navigation data of the navigation component through a 'browse file' button;
3) and (3) realizing navigation component precision calculation:
a) finding out a sequence of complete time coincidence of the navigation data output by the target vehicle and the navigation data of the navigation assembly;
b) because the mounting course direction of the navigation component and the course of the target vehicle have inevitable errors, the error of the mounting angle is obtained by accumulating and calculating the difference between the attitude data of the target vehicle and the attitude data output by the navigation component and taking the mean value;
c) subtracting the installation angle error from the attitude data output by the navigation component to obtain final attitude information of the navigation component;
d) and respectively calculating the accuracy of the course, the attitude, the speed and the position information of the navigation assembly by using a root mean square formula for the sequence of the time coincidence of the navigation data output by the target vehicle and the navigation data of the navigation assembly:
in the formula: BaChei output-real-time heading, attitude, speed and position of the ith target car reference device;
n- - -the number of samples;
FHDZi output-real-time heading, attitude, speed and position of the ith navigation component.
e) And updating and displaying the calculated speed information precision, position information precision and attitude information precision in the main interface window.
f) In addition, the precision calculation software can also detect the state flag bit of the output data of the navigation assembly, calculate the initial alignment time of the navigation assembly and update and display the initial alignment time in the main interface window.
Claims (3)
1. A navigation component precision calculation method based on an MFC dialog box is characterized by comprising the following steps:
step 1: creating an MFC project based on a dialog box to obtain a main dialog box interface; then, sequentially adding control buttons for the main interface, and modifying the attributes of the control buttons; each control button comprises precision calculation, target vehicle data, inertial navigation data, longitude, latitude, altitude, east speed, north speed, sky speed, course, pitch, roll, total frame number, calculation frame, alignment time and browsing files;
step 2: sequentially selecting and calling the navigation data of the target car and the navigation data of the navigation component through a 'browse file' button;
and 3, calculating the precision of the navigation assembly:
1. finding out a sequence of complete time coincidence of the navigation data output by the target vehicle and the navigation data of the navigation assembly;
2. accumulating and calculating the difference of the attitude data of the target vehicle and the attitude data output by the navigation assembly, and taking the mean value to obtain the error of the installation angle;
3. subtracting the installation angle error from the attitude data output by the navigation component to obtain final attitude information of the navigation component;
4. and respectively calculating the accuracy of the course, the attitude, the speed and the position information of the navigation assembly by using a root mean square formula for the sequence of the time coincidence of the navigation data output by the target vehicle and the navigation data of the navigation assembly:
in the formula: BaChei output-real-time heading, attitude, speed and position of the ith target car reference device,
n-the number of samples,
FHDZi outputThe real-time course, the attitude, the speed and the position of the ith navigation component obtain the real-time course, the attitude and the speed of the navigation component according to the numerical value of a root mean square formulaDegree and position measurement accuracy;
5. and updating and displaying all the calculated speed information precision, position information precision and attitude information in the main interface window.
2. The MFC dialog box-based navigation component accuracy computation method of claim 1, wherein: and calculating the initial alignment time of the navigation assembly according to the state flag bit of the output data of the detection navigation assembly, and updating and displaying in the main interface window.
3. The MFC dialog box-based navigation component accuracy computation method of claim 1, wherein: and updating and displaying the total frame number of the data output by the navigation component and the frame number for performance index verification in the main interface window.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113885997A (en) * | 2021-10-19 | 2022-01-04 | 深圳市元征科技股份有限公司 | Dialog box display method and device, electronic equipment and storage medium |
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| US20170363428A1 (en) * | 2016-06-20 | 2017-12-21 | Atlantic Inertial Systems Limited | Inertial navigation system |
| CN109470243A (en) * | 2018-12-18 | 2019-03-15 | 高勇 | A kind of integrated navigation system and its air navigation aid of damping interior based on adding |
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- 2020-09-19 CN CN202010990937.3A patent/CN112304334B/en active Active
Patent Citations (4)
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| CN103512584A (en) * | 2012-06-26 | 2014-01-15 | 北京赛佰特科技有限公司 | Navigation attitude information output method, device and strapdown navigation attitude reference system |
| CN105116881A (en) * | 2015-06-26 | 2015-12-02 | 武汉科技大学 | Wheel-type robot self-adaptive navigation method based on on-line learning mechanism |
| US20170363428A1 (en) * | 2016-06-20 | 2017-12-21 | Atlantic Inertial Systems Limited | Inertial navigation system |
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| CN113885997A (en) * | 2021-10-19 | 2022-01-04 | 深圳市元征科技股份有限公司 | Dialog box display method and device, electronic equipment and storage medium |
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