CN111208744B - Central alarm verification method under comprehensive modular avionics architecture - Google Patents
Central alarm verification method under comprehensive modular avionics architecture Download PDFInfo
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B17/00—Systems involving the use of models or simulators of said systems
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/50—Reducing energy consumption in communication networks in wire-line communication networks, e.g. low power modes or reduced link rate
Abstract
The invention belongs to the field of avionics systems, and provides a central alarm verification method under an integrated modular avionics architecture, which comprises the following steps: s1: the system has the simulation capability of the fiber channel network node; s2: the system has the capability of simulating flight state information and warning information of all airborne fiber channel network nodes; s3: connecting the simulation excitation system with a certain standby port outside the airborne fiber channel switch to realize the physical connection between the system and an airborne network; s4: compiling a network configuration file according to an airborne network configuration file compiling rule, so that the system has the capability of message transmission; s5: simulating a plurality of alarm information of different alarm levels in a certain flight state without alarm suppression, and correspondingly checking alarm display, voice and light processes; s6: and simulating different flight state information to drive different flight stages, simulating a plurality of pieces of alarm information in each flight state according to requirements, and correspondingly checking inhibition processing results of different flight stages.
Description
Technical Field
The invention belongs to the field of avionics systems, relates to verification of a central alarm system, and particularly relates to the verification of the central alarm system under a general modular avionics system architecture.
Background art:
the central warning system can receive the warning information of each subsystem/equipment of the airplane, sort the warning information according to the warning level and priority, and drive the system to generate display, voice and light warning after judging the warning information is effective. Meanwhile, the central warning system can perform corresponding suppression processing on the warning according to design requirements on the basis of acquiring the flight state information so as to reduce the burden of a pilot.
Based on the rapid development and weight reduction targets of avionic systems, the avionic systems gradually adopt a universal modular design, and a traditional alarm processing computer is converted into a pluggable universal processing module which is connected with other equipment through an integrated rack. In addition, the new generation of airborne network mostly adopts a fiber channel switching type main network architecture, the aircraft flight state information and the simulation injection of the alarm information of each subsystem/equipment have wide related range, and the alarm test verification system has complex cross-linking and great test difficulty.
The invention content is as follows:
the purpose of the invention is as follows: the invention aims to at least solve the technical problems in the prior art, and particularly innovatively provides a central alarm verification method under a comprehensive modular avionics architecture, which is used for simplifying the simulation injection of flight state information and alarm signals so as to simplify the verification of a central alarm system.
The technical scheme is as follows:
a central alarm verification method under an integrated modular avionics architecture comprises the following steps:
s1: inserting an optical fiber channel network simulation card into a PC (personal computer), and establishing simulation excitation system hardware to enable the system to have the optical fiber channel network node simulation capability;
s2: establishing simulation excitation software according to the flight state information, the alarm information interface control file and the fiber channel network node driving interface, so that the system has the capability of simulating the flight state information and all airborne fiber channel network node alarm information;
s3: connecting the simulation excitation system with a certain standby port outside the airborne fiber channel switch through a pair of optical fibers to realize the physical connection between the system and an airborne network;
s4: according to the switch source port, the destination port number and all message attributes, compiling a network configuration file according to the airborne network configuration file compiling rule, so that the system has the message transmission capacity;
s5: simulating a plurality of pieces of alarm information of different alarm levels in a certain flight state without alarm suppression by using a simulation excitation system, and correspondingly checking alarm display, voice and light processes;
s6: and simulating different flight state information by using a simulation excitation system to drive different flight stages, simulating a plurality of pieces of alarm information in each flight state according to requirements, and correspondingly checking inhibition processing results of different flight stages.
S2, establishing simulation excitation software according to the flight state information, the alarm information interface control file and the fiber channel network node driving interface, specifically:
calling a fiber channel network node driving interface in the simulation excitation software to realize data receiving and sending with the airborne fiber channel network; and the simulation excitation software realizes the corresponding data structure according to the interface control file related to the flight state information and the alarm information.
S4, writing a network configuration file according to the onboard fiber channel network configuration file compilation rule, based on the switch source port, destination port number, and all message attributes, specifically: the airborne fiber channel network configuration file is finished according to the configuration file compiling rule according to the serial number of the destination port connected with the central alarm processing module, the serial number of the source port of a certain standby switch of the fiber switch connected with the analog excitation system, the flight state information and the message related attributes defined in the alarm information interface control file.
The alert levels include: risk level, warning level, attention level, consultation level, prompt level.
The alarm information includes: and warning signals required to be generated by each node connected with the airborne network, such as engine fire alarm, atmospheric machine fault, inertial navigation alignment failure and meteorological radar fault.
S5 specifically includes: setting flight state information of a simulation excitation system as state information corresponding to a certain flight stage without alarm suppression, wherein the simulation excitation system sequentially sets 2-3 pieces of prompt level, consultation level, attention level, warning level and danger level alarm information, and checks list display, voice process and light process when each alarm is generated;
s5 further includes: the list display, the voice process and the light process have the following rules: the list display is sorted according to the alarm priority and the generation time, the alarm with high level is displayed in the front, the alarm with high level is broadcasted in the front after the same level in a priority mode in the voice process, the alarm with low level can be interrupted directly at high level, and a main alarm lamp is triggered to flash when the alarm with danger level and alarm level is generated; set up left fire alarm danger level alarm signal according to above-mentioned rule, left fire alarm shows foremost in the list, and reports preferentially, and main warning light twinkles simultaneously.
S6 specifically includes: and in the flight stage 2, inhibiting attention level alarm, setting flight state information of the simulation excitation system as the flight stage 2, and simultaneously setting an attention level alarm message, wherein the alarm is not displayed on an alarm list, the alarm is not broadcasted by voice, and an attention level alarm lamp is not lightened.
Has the advantages that:
the invention greatly simplifies the test verification configuration of the central alarm system, effectively reduces the verification difficulty and shortens the verification period, and breaks the physical connection between the simulation node and the standby port of the switch when the test verification of the central alarm system is not carried out, thereby not influencing the normal system architecture.
Description of the drawings:
figure 1 is a schematic diagram of a central alarm verification system of the present invention.
The specific implementation mode is as follows:
the invention establishes a set of alarm signal simulation excitation system, simulates the flight state information of an airplane and the alarm information of all airborne fiber channel network nodes by a single fiber channel network node, realizes the connection with a central alarm processing module through an external standby port of an airborne fiber channel switch, and enables the simulation node information to be forwarded to the central alarm processing module through a configuration file, thereby supporting the central alarm system to process the flight state and the alarm information and driving display, voice and light alarm, and achieving the aim of verification.
S1: inserting an optical fiber channel network simulation card into a PC (personal computer), and establishing simulation excitation system hardware to enable the system to have the optical fiber channel network node simulation capability;
s2: establishing simulation excitation software according to the flight state information, the alarm information interface control file and the fiber channel network node driving interface, so that the system has the capability of simulating the flight state information and all airborne fiber channel network node alarm information;
the method comprises the following specific steps: calling a fiber channel network node driving interface in the simulation excitation software to realize data receiving and sending with the airborne fiber channel network; and the simulation excitation software realizes the corresponding data structure according to the interface control file related to the flight state information and the alarm information.
S3: connecting the simulation excitation system with a certain standby port outside the airborne fiber channel switch through a pair of optical fibers to realize the physical connection between the system and an airborne network;
s4: according to the switch source port, the destination port number and all message attributes, compiling a network configuration file according to the airborne network configuration file compiling rule, so that the system has the message transmission capacity;
the method comprises the following specific steps: the airborne fiber channel network configuration file is completed according to configuration file compiling rules according to the port (the destination port in the invention) number of the fiber switch connected with the central alarm processing module, the number of a certain standby port (the source port in the invention) of the fiber switch connected with the analog excitation system, the flight state information and the message related attributes defined in the alarm information interface control file.
S5: simulating a plurality of pieces of alarm information of different alarm levels in a certain uninhibited flight state by using a simulation excitation system, and correspondingly checking alarm display, voice and light processes;
the alert levels include: risk level, warning level, attention level, consultation level, prompt level.
The alarm information includes: and warning signals required to be generated by each node connected with the airborne network, such as engine fire alarm, atmospheric machine fault, inertial navigation alignment failure and meteorological radar fault.
One implementation of S5 is: the flight state information of the simulation excitation system is set to be state information corresponding to a certain flight stage without alarm suppression, the simulation excitation system sequentially sets 2-3 pieces of prompt level, consultation level, attention level, warning level and danger level alarm information, and when each alarm is generated, a list display, a voice process and a light process are checked.
S5 further includes: the list display, the voice process and the light process have certain rules, if the list display is ordered according to the alarm priority and the generation time, the display with high level is in front, and the display with high level is in front, if the voice process reports the alarm with high level preferentially, the high level can directly interrupt the low level alarm, and the main alarm lamp is triggered to flash when the dangerous level alarm and the alarm level alarm are generated. Set up left fire alarm danger level alarm signal according to above-mentioned rule, left fire alarm shows foremost in the list, and reports preferentially, and main warning light twinkles simultaneously.
S6: and simulating different flight state information by using a simulation excitation system to drive different flight stages, simulating a plurality of pieces of alarm information as required in each flight state, and correspondingly checking inhibition processing results of different flight stages.
The method comprises the following specific steps: different flight phases have different alarm suppression rules, and the flight phase division has corresponding rules. If the flight stage 2 inhibits the attention level alarm, the flight state information of the simulation excitation system is set as the flight stage 2, and meanwhile, one piece of attention level alarm information is set, the alarm list does not display the alarm, the voice does not broadcast the alarm, and the attention level alarm lamp is not lightened.
Through the system architecture as shown in fig. 1 and the above steps, the capability of single node to simulate multi-node information can be realized, and meanwhile, a configuration file is compiled according to the port relation of the optical fiber switch, the flight state information to be simulated and the alarm information, so that the communication between the simulation excitation system and the central alarm processing module is realized.
The method greatly simplifies the test verification configuration of the central alarm system, effectively reduces the verification difficulty and shortens the verification period, and breaks the physical connection between the simulation node and the standby port of the switch when the test verification of the central alarm system is not carried out, thereby not influencing the normal system architecture.
Claims (5)
1. A central alarm verification method under an integrated modular avionics architecture is characterized by comprising the following steps:
s1: inserting an optical fiber channel network simulation card into a PC (personal computer), and establishing simulation excitation system hardware to enable the system to have the optical fiber channel network node simulation capability;
s2: establishing simulation excitation software according to the flight state information, the alarm information interface control file and the fiber channel network node driving interface, so that the system has the capability of simulating the flight state information and all airborne fiber channel network node alarm information;
s3: connecting the simulation excitation system with a certain standby port outside the airborne fiber channel switch through a pair of optical fibers to realize the physical connection between the system and an airborne network;
s4: according to the switch source port, the destination port number and all the message attributes, compiling a network configuration file according to the airborne network configuration file compiling rule, so that the system has the message transmission capability, wherein S4 specifically comprises the following steps: the airborne fiber channel network configuration file is finished according to configuration file compiling rules according to the serial number of a destination port connected with the central alarm processing module, the serial number of a source port of a certain standby switch of a fiber switch connected with the analog excitation system, the flight state information and the message related attributes defined in the alarm information interface control file;
s5: use simulation excitation system simulation a certain nothing to report an emergency and ask for help or increased vigilance many pieces of information of different warning ranks under the suppression flight state of reporting an emergency and asking for help or increased vigilance, correspond checklist display, voice broadcast and light scintillation process, S5 specifically is: setting flight state information of a simulation excitation system as state information corresponding to a certain flight stage without alarm suppression, sequentially setting 2-3 pieces of alarm information of different alarm levels by the simulation excitation system, and checking a list display, a voice broadcasting process and a light flashing process when each alarm is generated; s5 further includes: list display, voice broadcast process, light scintillation process have the rule: the list display is sorted according to the alarm priority and the generation time, the alarm with high level is displayed in the front, the alarm with high level is broadcasted in the front generated after the same level in the voice broadcasting process, the alarm with low level can be interrupted directly by the high level, and the main alarm lamp is triggered to flash when the alarm with danger level and alarm level is generated; setting a left fire alarm danger level alarm signal according to the rule, wherein the left fire alarm is displayed at the forefront in a list and is preferentially broadcasted, and meanwhile, a main alarm lamp flickers;
s6: and simulating different flight state information by using a simulation excitation system to drive different flight stages, simulating a plurality of pieces of alarm information in each flight state according to requirements, and correspondingly checking inhibition processing results of different flight stages.
2. The central alarm verification method under the integrated modular avionics architecture according to claim 1, wherein the S2 establishes the simulation excitation software according to the flight status information, the alarm information interface control file and the fibre channel network node driving interface specifically comprises:
calling a fiber channel network node driving interface in the simulation excitation software to realize data receiving and sending with the airborne fiber channel network; and the simulation excitation software realizes the corresponding data structure according to the interface control file related to the flight state information and the alarm information.
3. The method of claim 1, wherein the level of alerts comprises: risk level, warning level, attention level, consultation level, prompt level.
4. The method of claim 3, wherein the alarm information comprises: and warning signals required to be generated by each node connected with the airborne network comprise engine fire alarm, atmospheric machine fault, inertial navigation alignment failure and meteorological radar fault.
5. The central alarm verification method under the integrated modular avionics architecture according to claim 4, wherein S6 specifically comprises: and in the flight stage 2, when attention level warning is inhibited, the flight state information of the simulation excitation system is set as the flight stage 2, and meanwhile, one piece of attention level warning information is set, so that the warning is not displayed in a list of the warning information, the warning is not broadcasted by voice, and an attention level warning lamp is not lightened.
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