CN111784207A - Open type radar health management system - Google Patents
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Abstract
The invention discloses an open type radar health management system, and belongs to the technical field of radar management. The invention comprises the following steps: the front-end acquisition and processing unit and the rear-end acquisition and processing unit are respectively used for acquiring state monitoring data of the front-end part and the rear-end part of the radar and completing fault diagnosis and health evaluation with a fault hazard level of IV according to preset diagnosis rules and evaluation rules; and the system management and guarantee unit is used for receiving the test instruction from the radar master console, completing the test of board level, subsystem and system indexes, combining the test results with the fault diagnosis and health evaluation results received from the front-end and rear-end acquisition and processing units, and completing the fault diagnosis and health evaluation with the fault hazard levels of III level, II level and I level according to preset diagnosis rules and evaluation rules. The invention is suitable for radars with various types, complex systems and various devices, and realizes the hierarchical management of the health of the radar system, the subsystem and the module.
Description
Technical Field
The invention belongs to the technical field of radar management, and particularly relates to an open type radar health management system.
Background
The phased array system is increasingly adopted in civil fields such as navigation management, weather and the like, the equipment composition scale is increasingly large, and the requirements on the aspects of rapid fault positioning, system performance state analysis, rapid guarantee and the like are increasingly high. Compared with the traditional analog array radar, the digital array radar is more complex in function and structure, so that higher requirements are provided for the stability of equipment, the timeliness and the effectiveness of diagnosis and maintenance capacity. Due to the characteristics of digital array radar simulation and digital signal interleaving and test interface limitation, the traditional test diagnosis mode mainly based on external test is difficult to achieve a quick and accurate diagnosis target.
How to monitor, acquire, transmit, analyze and maintain radar monitoring data of different levels is directly related to the overall guarantee of the radar. At present, the domestic radar health management technology is still in a primary stage, is limited to parameter analysis on limited characteristic signals, lacks of interactive synthesis of information of all subsystems and lacks of health management system design of a complete radar equipment.
Disclosure of Invention
The invention aims to provide an open radar health management system which is suitable for radars with various types, complex systems and various devices and realizes the hierarchical management of the health of radar systems, subsystems and modules.
Specifically, the present invention provides an open radar health management system, comprising:
the front-end acquisition and processing unit is used for acquiring state monitoring data of the radar front-end component and completing fault diagnosis and health evaluation with the fault hazard level of IV according to preset diagnosis rules and evaluation rules;
the rear-end acquisition and processing unit is used for acquiring data of the radar rear-end component and completing fault diagnosis and health evaluation with the fault hazard level of IV according to preset diagnosis rules and evaluation rules;
and the system management and guarantee unit is used for receiving the test instruction from the radar master console, completing the test of board level, subsystem and system indexes, combining the test result with the fault diagnosis and health evaluation result received by the front-end acquisition and processing unit and the rear-end acquisition and processing unit, and completing the fault diagnosis and health evaluation with the fault hazard level of III level, II level and I level according to the preset diagnosis rule and evaluation rule.
Furthermore, the front-end acquisition and processing unit comprises a front-end BIT information acquisition module and a front-end health comprehensive processing module;
the front-end BIT information acquisition module acquires state monitoring data of the radar front-end component and sends the state monitoring data to the front-end health comprehensive processing module;
the front-end health comprehensive processing module judges whether abnormality exists according to the state monitoring data of each front-end component; performing fault preliminary positioning on the abnormity of the front end part according to a preset diagnosis rule; evaluating the health level of the component according to a preset fault hazard level; if the fault exists, automatically generating a maintenance suggestion; and sending the fault components and the health levels of the components to a system management and guarantee unit.
Further, the back-end acquisition and processing unit comprises a back-end BIT information acquisition module and a back-end health comprehensive processing module;
the back-end BIT information acquisition module acquires state monitoring data of the radar back-end component and sends the state monitoring data to the back-end health comprehensive processing module;
the rear-end health comprehensive processing module judges whether abnormality exists according to the state monitoring data of each rear-end component; performing fault preliminary positioning on the abnormity of the rear end part according to a preset diagnosis rule; evaluating the health level of the component according to a preset fault hazard level; if the fault exists, automatically generating a maintenance suggestion; and sending the fault components and the health levels of the components to a system management and guarantee unit.
Further, the system management and safeguard unit comprises a system control and sensing module, a system health processing module and a health information interaction module;
the system control and sensing module receives fault diagnosis and health evaluation results sent by the front-end health comprehensive processing module and the rear-end health comprehensive processing module; receiving a test instruction from a radar master console, completing the tests of board level, subsystem and system indexes, and sending the test result and the health level information of the fault component and the component received from the front end and the rear end to a system health processing module;
the system health processing module judges the received data such as fault diagnosis and health evaluation results, test results and the like according to preset diagnosis rules and evaluation models and provides information of positions and hazard levels of fault parts; according to the performance index results of the system and the subsystem obtained from the system control and sensing module, the requirements on performance parameters of the radar under different working scenes are combined, and the health state of the radar is qualitatively evaluated;
the health information interaction module receives the diagnosis result and the evaluation result of the system health processing module and sends the diagnosis result and the evaluation result to the radar master console; and the health information interaction module receives the information of the radar master console and sends the information to other modules of the system management and guarantee unit.
The open type radar health management system has the following beneficial effects:
aiming at the existing defects of radar health management, the invention firstly provides an open type radar health management system architecture, and the overall health management of radar equipment is designed according to hierarchy, so that the functions of omnibearing health data monitoring, transmission, processing, correlation analysis, evaluation and the like are realized; the functions realized by each unit are appointed, hierarchical management is highlighted, and subsequent health management technology is conveniently expanded and enriched.
According to the structural design of the open type radar health management system, aiming at the characteristics of multiple equipment, multiple types, complex system, difficult maintenance and the like of radar equipment, the health management function is completed by the front-end acquisition and processing unit, the rear-end acquisition and processing unit and the system management and guarantee unit, and the equipment guarantee efficiency is improved.
The fault is divided into four stages according to the fault characteristics of the radar equipment, the four stages are respectively and jointly completed by the constituent units of the health management system, and the units are clear in completing function and convenient for developing maintenance and guarantee work in a targeted manner.
In order to meet the evaluation requirement of the radar system, the system control and sensing module supports the test (simulator/built-in simulation data and the like) of the module state and the system related indexes in the test mode, and calculates the performance parameters related to the radar work, so that the subsequent evaluation is facilitated.
The open type radar health management system architecture has certain universality, is suitable for the design of various types of radar health management system architectures with complex systems and various devices, improves the radar user experience, and can meet the radar health management requirements of different fields.
Drawings
Fig. 1 is an architecture diagram of an open radar health management system according to an embodiment of the present invention.
FIG. 2 is a schematic diagram of the application of system diagnostic rules according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following examples and the accompanying drawings.
Example 1:
one embodiment of the invention is an open radar health management system.
Aiming at the defects of the prior art, the invention provides an open type radar health management system by combining the characteristics of the prior radar, realizes the health management of a radar system, subsystems and modules by depending on the system architecture, and highlights the hierarchical management.
And dividing the fault level into I-IV levels according to the radar equipment characteristics. Grade IV (mild failure): such failures are not sufficient to cause personnel injury or system damage, but can result in unscheduled maintenance, usually at the component, without affecting other modules; class III (critical fault): minor injury to personnel, some economic loss, minor damage to the system, or resulting in task delay or degradation, often with associative effects; class II (fatal failure): faults causing serious injury to personnel, serious economic loss, serious damage to a system or task failure already cause the radar to work normally; level I (disaster failure): resulting in the death of personnel or the destruction of systems (e.g., aircraft, missile radar).
The structure of the open radar health management system of the present embodiment is shown in fig. 1, and includes a front-end acquisition and processing unit, a back-end acquisition and processing unit, and a system management and safeguard unit. The front-end acquisition and processing unit comprises a front-end BIT (built-in Test) information acquisition module and a front-end health comprehensive processing module. The back-end acquisition control and processing unit comprises a back-end BIT information acquisition module and a back-end health comprehensive processing module. The system management and guarantee unit comprises a system control and sensing module, a system health processing module and a health information interaction module.
According to the classification of the fault grades, the front-end acquisition and processing unit and the rear-end acquisition and processing unit mainly complete IV-grade fault processing, and the system management and guarantee unit completes III-grade, II-grade and I-grade fault processing. The faults of the four levels are all realized in a radar health management system platform, wherein the modules related to the fault rating comprise a front-end health comprehensive processing module of a front-end acquisition and processing unit, a rear-end health comprehensive processing module of a rear-end acquisition control and processing unit and a system health processing module of a system management and guarantee unit.
The front-end BIT information acquisition module acquires state monitoring information of components such as a radar front-end array assembly and a power supply. Specifically, the state monitoring information of each component of the front end is collected and summarized to a monitoring and summarizing module of the front end through a CAN bus, and then is sent to a BIT information collecting module of the front end through a network. And the front-end BIT information acquisition module sends the acquired and summarized state monitoring information of each part to the front-end health comprehensive processing module.
The front-end health comprehensive processing module mainly completes IV-level fault positioning and maintenance guidance. The front-end health comprehensive processing module firstly compares the threshold value of each front-end component monitoring parameter to judge whether the abnormality exists; and carrying out fault preliminary positioning on the abnormity of the front-end part according to a preset diagnosis rule. Then, evaluating the health level of the component according to a preset fault hazard level; if the fault exists, a maintenance suggestion is automatically generated, and the reference of a radar master console user can be provided. And finally, transmitting the fault diagnosis and health evaluation results (including fault components and component health grades) of the front-end health comprehensive processing module to a system management and safeguard unit through a network.
See the table below for an example of the preset front-end health integrated processing module diagnostic rules.
TABLE 1 front end health Integrated processing Module Fault diagnosis rules example
And according to the diagnosis rule, combining with the front-end system of the specific radar system, and presetting a diagnosis rule model of the front-end health comprehensive processing module.
And a back-end BIT information acquisition module of the back-end acquisition and processing unit acquires information of the back end (comprising a calculation module, a power supply module and the like) of the radar. Specifically, the BIT information reported by each back-end system monitoring module is collected to the system monitoring module of each plug-in box through the IIC bus of the plug-in box, and reported to the back-end BIT information acquisition module through the network by the system monitoring module. And the back-end BIT information acquisition module receives BIT information reported by each back-end system monitoring module, and then gathers the BIT information and sends the BIT information to the back-end health comprehensive processing module.
The rear-end health comprehensive processing module mainly completes IV-level fault positioning and maintenance guidance. The rear-end health comprehensive processing module is used for comparing threshold values of monitoring parameters of all rear-end components to judge whether abnormality exists or not; carrying out fault preliminary positioning on the abnormity of the rear end part according to a preset diagnosis rule, and evaluating the health level of the fault part according to the damage level of the fault; if the fault exists, a maintenance suggestion is automatically generated, and the reference of a radar master console user can be provided. And finally, transmitting the fault diagnosis and health evaluation results (including fault components and component health grades) of the rear-end health comprehensive processing module to a system management and safeguard unit through a network.
See the table below for an example of the preset back-end health integrated processing module diagnostic rules.
TABLE 2 example of Back-end health Integrated Process Module Fault diagnosis rules
And according to the diagnosis rule, combining with the back-end system composition of the specific radar system, and presetting a diagnosis rule model of the back-end health comprehensive processing module.
The system control and perception module of the system management and guarantee unit directly receives processing results (including fault parts and part health levels) sent by the front-end health comprehensive processing module and the rear-end health comprehensive processing module through a network on one hand, and realizes automatic testing of states and system performance parameters of the radar hardware module through related instruments, module testing and the like on the other hand, and sends all acquired health data results to the system health processing module.
And the system health processing module judges the received data such as the fault component, the component health level, the system test result and the like according to a preset system diagnosis rule and provides information of the position and the hazard level of the fault component.
See the following table for an example of the system diagnostic rules on which the preset system health process module depends. And according to the diagnosis rule in the table, a diagnosis rule model of the system health processing module is preset by combining with the specific radar system composition.
TABLE 3 System health Process Module System diagnostic rules example
The following uses the clock network diagnosis to show the application of system diagnosis rules and their relationship with fault level and maintenance guidance suggestions, as shown in fig. 2. And a clock signal output by the clock reference is amplified by the clock amplifier, passes through a plurality of stages of power distribution networks and is finally sent to the TR component. The clock reference is provided with a monitoring point T1, the clock amplifier is provided with a monitoring point T2, the power distribution network has no monitoring point, and the TR component is provided with a monitoring point T3 and the like. An example of a specific diagnostic model formed according to the above system diagnostic rules is given in the following table:
TABLE 4 example System diagnostic rules diagnostic model
And the system health processing module is combined with information such as system performance parameters and hardware states acquired by system testing, is combined with different working mode scenes to evaluate the performance states of the radar equipment, and guides a user to make a decision. And the diagnosis result, the evaluation result, the maintenance guidance suggestion and the like are sent to the health information interaction module, and the health information interaction module sends the health information interaction result to the radar master console through the network. Meanwhile, the health information interaction module receives the information of the radar master control station and sends the information to other modules of the system management and guarantee unit.
The radar health management system architecture adopts a hierarchical design idea to divide the health management work of a module system level and a system level into a front-end acquisition and processing unit, a rear-end acquisition and processing unit and a system management and guarantee unit, so that the hierarchical management of radar equipment is realized. The fault is divided into four stages according to the fault characteristics of the radar equipment, the four stages are respectively and jointly completed by the health management system forming units, and the units are clear in completing function and convenient for developing maintenance and guarantee work in a targeted manner. The work flow of each unit module is as follows:
first, front end health comprehensive processing module of front end acquisition and processing unit
The front-end health comprehensive processing module of the front-end acquisition and processing unit gives the fault and hazard level of the monitoring component and the self health state information according to the preset diagnosis rule and evaluation rule, and sends the result to the system management and guarantee unit, and the specific working flow is as follows:
(1) monitoring information such as a TR component, a power supply module and the like is acquired through a front-end BIT information acquisition module of the front-end acquisition and processing unit through a CAN bus, and the information is gathered and sent to a front-end health comprehensive processing module of the front-end acquisition and processing unit;
(2) a front-end health comprehensive processing module of the front-end acquisition and processing unit receives monitoring information sent by a front-end BIT information acquisition module, gives fault and hazard levels of monitoring components by combining preset diagnosis rules and evaluation rules, and judges and gives self health status by combining self monitoring parameters;
(3) and the front-end health comprehensive processing module of the front-end acquisition and processing unit transmits the fault, evaluation grade information and self running state of the components and the power supply module to the system management and guarantee unit through a network.
Second, the rear end of the rear end gathers and the comprehensive treatment module of health of processing unit
The rear-end health comprehensive processing module of the rear-end acquisition and processing unit gives the fault and hazard level of the monitoring component and the self health state information according to the preset diagnosis rule and evaluation rule, and sends the result to the system management and guarantee unit, and the specific working flow is as follows:
(1) monitoring information such as a calculation module and a power module is acquired through a rear-end BIT information acquisition module of the rear-end acquisition and processing unit through an IIC bus, an LAN bus and the like, and the information is gathered and sent to a rear-end health comprehensive processing module of the rear-end acquisition and processing unit;
(2) a rear-end health comprehensive processing module of the rear-end acquisition and processing unit receives monitoring information sent by a rear-end BIT information acquisition module, gives fault and hazard levels of monitoring components by combining preset diagnosis rules and evaluation rules, and judges and gives a self health state;
(3) and the rear-end health comprehensive processing module of the rear-end acquisition and processing unit transmits the fault, evaluation grade information and self running state of the calculation module, the power supply module and the like to the system management and guarantee unit through a network.
Third, system control and perception module of system management and guarantee unit
The system control and perception module of the system management and safeguard unit receives the fault diagnosis and health evaluation results sent by the front end health comprehensive processing module of the front end acquisition and processing unit and the rear end health comprehensive processing module of the rear end acquisition and processing unit on the one hand, and receives the test instruction from the radar master console on the other hand, tests the board level, the subsystem and the system index through the test bus, the matched test equipment, the test technology and the like, and sends the test results and the diagnosis evaluation results received from the front end and the rear end to the system health processing module together, and the specific working flow is as follows:
(1) a system control and sensing module of the system management and guarantee unit receives diagnosis and evaluation results from a front-end health comprehensive processing module of the front-end acquisition and processing unit and a rear-end health comprehensive processing module of the rear-end acquisition and processing unit;
(2) a system control and sensing module of the system management and guarantee unit receives control, test and other instructions from a radar master console pushed by the health information interaction module, converts the instructions into test interaction instructions which can be distinguished by automatic test equipment through a test bus, and completes the test of corresponding modules and index parameters; in order to meet the evaluation requirement of the radar system, the system control and sensing module supports the test (simulator/built-in simulation data and the like) of the module state and the system related indexes in the test mode, and calculates the performance parameters related to the radar work, so that the subsequent evaluation is facilitated.
(3) And a system control and sensing module of the system management and guarantee unit receives test results of the matched test equipment and instruments, on one hand, the test results are sent to a radar master console, and on the other hand, the diagnosis and evaluation data are comprehensively sent to a system health processing module.
Fourth, system health processing module of system management and safeguard unit
On one hand, the system health processing module of the system management and safeguard unit receives the result sent by the system control and sensing module of the system management and safeguard unit, and simultaneously guides the user to make a decision by combining preset system diagnosis rules and an evaluation model. The specific working process is as follows:
(1) and a system health processing module of the system management and safeguard unit receives the result sent by the system control and sensing module, judges the information of the fault component according to the preset system diagnosis rule by using the received data of the fault component, the component health grade, the system test result and the like, and simultaneously gives the damage grade corresponding to the fault.
(2) And the system health processing module qualitatively evaluates the health state of the radar according to the performance index results of the system and the subsystem, which are acquired from the system control and sensing module, and in combination with the requirements of the radar on performance parameters in different working scenes.
The radar health grade is divided into five grades of health, sub-health, general deterioration, severe deterioration and danger. The performance index of the health characterization equipment is intact, and the maintenance is not needed; the overall indexes of the sub-health characterization equipment are in the allowed change range, the task requirements are met, and the planned maintenance is carried out. The general deterioration represents the index deterioration of part of equipment, can meet the main functions and needs to be maintained in advance at scheduled maintenance cost; the serious deterioration represents that the performance index of the equipment is obviously deteriorated, the main function cannot be completed, and the equipment needs to be shut down and maintained as soon as possible; and if the danger exists, the characteristic equipment is seriously deteriorated, the basic function cannot be realized, the machine needs to be stopped for maintenance immediately, and further influence and loss are avoided.
(3) And the system health processing module provides a reasonable maintenance decision suggestion by depending on system diagnosis and system health evaluation results and combining with radar equipment maintenance rules.
(4) The system health processing module sends the diagnosis, evaluation, maintenance and other related results to the health information interaction module, and the health information interaction module sends the results to the radar master console through the network.
Those skilled in the art will appreciate that those matters not described in detail in the present specification are well known in the art.
Although the present invention has been described in terms of the preferred embodiment, it is not intended that the invention be limited to the embodiment. Any equivalent changes or modifications made without departing from the spirit and scope of the present invention also belong to the protection scope of the present invention. The scope of the invention should therefore be determined with reference to the appended claims.
Claims (4)
1. An open radar health management system, comprising:
the front-end acquisition and processing unit is used for acquiring state monitoring data of the radar front-end component and completing fault diagnosis and health evaluation with the fault hazard level of IV according to preset diagnosis rules and evaluation rules;
the rear-end acquisition and processing unit is used for acquiring data of the radar rear-end component and completing fault diagnosis and health evaluation with the fault hazard level of IV according to preset diagnosis rules and evaluation rules;
and the system management and guarantee unit is used for receiving the test instruction from the radar master console, completing the test of board level, subsystem and system indexes, combining the test result with the fault diagnosis and health evaluation result received by the front-end acquisition and processing unit and the rear-end acquisition and processing unit, and completing the fault diagnosis and health evaluation with the fault hazard level of III level, II level and I level according to the preset diagnosis rule and evaluation rule.
2. The open radar health management system of claim 1, wherein: the front-end acquisition and processing unit comprises a front-end BIT information acquisition module and a front-end health comprehensive processing module;
the front-end BIT information acquisition module acquires state monitoring data of the radar front-end component and sends the state monitoring data to the front-end health comprehensive processing module;
the front-end health comprehensive processing module judges whether abnormality exists according to the state monitoring data of each front-end component; performing fault preliminary positioning on the abnormity of the front end part according to a preset diagnosis rule; evaluating the health level of the component according to a preset fault hazard level; if the fault exists, automatically generating a maintenance suggestion; and sending the fault components and the health levels of the components to a system management and guarantee unit.
3. The open radar health management system of claim 1, wherein: the back-end acquisition and processing unit comprises a back-end BIT information acquisition module and a back-end health comprehensive processing module;
the back-end BIT information acquisition module acquires state monitoring data of the radar back-end component and sends the state monitoring data to the back-end health comprehensive processing module;
the rear-end health comprehensive processing module judges whether abnormality exists according to the state monitoring data of each rear-end component; performing fault preliminary positioning on the abnormity of the rear end part according to a preset diagnosis rule; evaluating the health level of the component according to a preset fault hazard level; if the fault exists, automatically generating a maintenance suggestion; and sending the fault components and the health levels of the components to a system management and guarantee unit.
4. The open radar health management system of claim 1, wherein: the system management and guarantee unit comprises a system control and sensing module, a system health processing module and a health information interaction module;
the system control and sensing module receives fault diagnosis and health evaluation results sent by the front-end health comprehensive processing module and the rear-end health comprehensive processing module; receiving a test instruction from a radar master console, completing the tests of board level, subsystem and system indexes, and sending the test result and the health level information of the fault component and the component received from the front end and the rear end to a system health processing module;
the system health processing module judges the received data such as fault diagnosis and health evaluation results, test results and the like according to preset diagnosis rules and evaluation models and provides information of positions and hazard levels of fault parts; according to the performance index results of the system and the subsystem obtained from the system control and sensing module, the requirements on performance parameters of the radar under different working scenes are combined, and the health state of the radar is qualitatively evaluated;
the health information interaction module receives the diagnosis result and the evaluation result of the system health processing module and sends the diagnosis result and the evaluation result to the radar master console; and the health information interaction module receives the information of the radar master console and sends the information to other modules of the system management and guarantee unit.
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