Method for collecting faults and evaluating reliability of airborne laser inertial navigation equipment
A technology of equipment failure and airborne laser, which is applied in the direction of measuring devices and instruments, can solve the problems of low degree of automation, inaccurate reliability evaluation of airborne laser inertial navigation equipment, and low intelligence of fault detection, so as to reduce costs , the effect of improving work efficiency
Active Publication Date: 2015-04-29
BEIJING AEROSPACE ERA LASER NAVIGATION TECH CO LTD
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Problems solved by technology
[0012] 1. Low degree of automation;
[0013] 2. The intelligent level of fault detection is low;
[0014] 3. Inaccurate reliability assessment of airborne laser inertial navigation equipment;
[0015] 4. Insufficient and comprehensive acquisition of reliability data of airborne laser inertial navigation equipment
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[0031] Specific embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings.
[0032] As a new type of inertial navigation equipment, laser inertial navigation equipment is increasingly used in the aviation field, and its reliability increases with the improvement of aircraft reliability. The fault collection and reliability assessment of laser inertial navigation equipment is becoming more and more important .
[0033] The invention provides a fault collection and reliability evaluation method of airborne laser inertial navigation equipment, which can realize functions such as automatic fault detection, automatic MTBF calculation and fault mode frequency ratio calculation of the airborne laser inertial navigation equipment. Such as figure 1 As shown, the reliability evaluation method steps of the present invention are as follows:
[0034] (1) According to the built-in self-test (BIT) design technology of airbo...
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The invention discloses a method for collecting faults and evaluating reliability of airborne laser inertial navigation equipment. The method comprises the following steps: performing automatic detection, collection and report of faults by virtue of an automatic detection function of the airborne laser inertial navigation equipment, performing reliability evaluation on the airborne laser inertial navigation equipment, and calculating a fault mode frequency ratio of the airborne laser inertial navigation equipment. By using the method, the automatic detection, automatic collection and report of the faults of airborne laser inertial navigation are realized, the ability of performing reliability evaluation is realized, and the method is helpful for comprehensively understanding the reliability level of the airborne laser inertial navigation equipment.
Description
technical field [0001] The invention relates to a fault collection and reliability evaluation method of airborne laser inertial navigation equipment, which can be used in the fault collection and reliability evaluation of airborne laser inertial navigation equipment. Background technique [0002] At present, with the continuous breakthrough of domestic laser gyro technology, airborne laser inertial navigation technology is developing rapidly in China, especially in the field of aviation airborne, the excellent performance of airborne laser inertial navigation equipment has been widely recognized, and it is widely used in fighters, bombers , transport aircraft, helicopters and other types of aircraft have begun to be used. [0003] In order to ensure the mature application of airborne laser inertial navigation equipment in the airborne field, improving its adaptability to the aircraft environment, ensuring reliability and accuracy has become the key to application. As my coun...
Claims
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IPC IPC(8): G01C25/00
CPCG01C25/00
Inventor 吴振国王雷陈善秋张林孔德英胡晓形刘永坚张正勇刘剑
Owner BEIJING AEROSPACE ERA LASER NAVIGATION TECH CO LTD