CN113706738A - Data recording method and system for aviation alternating current starting controller - Google Patents
Data recording method and system for aviation alternating current starting controller Download PDFInfo
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C3/00—Registering or indicating the condition or the working of machines or other apparatus, other than vehicles
- G07C3/08—Registering or indicating the production of the machine either with or without registering working or idle time
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P1/00—Arrangements for starting electric motors or dynamo-electric converters
- H02P1/02—Details of starting control
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P1/00—Arrangements for starting electric motors or dynamo-electric converters
- H02P1/16—Arrangements for starting electric motors or dynamo-electric converters for starting dynamo-electric motors or dynamo-electric converters
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Abstract
The application belongs to the technical field of aviation motor control, and particularly relates to a data recording method and system for an aviation alternating current starting controller. The method comprises step S1, regarding the first partition of the space to be stored as a storage partition; step S2, acquiring the start address and the end address of the memory partition; step S3, acquiring data of the aviation AC starting controller in real time, and writing the data into the storage partition from the initial address to the final address of the storage partition in a circulating manner until the aviation AC starting controller is monitored to enter a fault state; step S4, continuing to record the data of the aeronautical communication starting controller for t2 seconds in the storage subarea; and step S5, taking the next partition of the space to be stored as a new storage partition, and repeating the steps S2-S4. The method and the device have the advantages that the fault data are independently stored after each starting, the fault data can be rapidly positioned, unnecessary space occupation is reduced, and the utilization rate of memory resources is improved.
Description
Technical Field
The application belongs to the technical field of aviation motor control, and particularly relates to a data recording method and system for an aviation alternating current starting controller.
Background
The aviation AC starting controller controls the starting of the motor according to the command of the numerical control system. When starting, the AC starting controller drives the engine to start, and after reaching the expected rotating speed, the AC starting controller controls the starting power generation conversion contactor to be disconnected, and the starting process is finished. In the starting process of the controller, faults are difficult to occur, and particularly, in order to guarantee the starting stability, the technical requirement that the aviation AC starting controller can be continuously started for multiple times is met. Therefore, the controller is required to have a data recording function, and fault data needs to be recorded for a plurality of times for facilitating subsequent fault analysis of designers.
The existing data recording mode mostly adopts a mode of recording according to an address sequence, is not suitable for data recording of the continuous multi-starting process of an aviation AC starting controller, and has two problems, namely, the data of the multi-starting process is not stored when the space of a storage medium is small; secondly, the data downloading process takes long time and the data is not easy to position.
Therefore, the prior art has the problems of incomplete recording and difficult positioning of recorded data for the data recording of the aviation AC starting controller.
Disclosure of Invention
In order to solve the technical problems, the application provides a data recording method and a data recording system for an aviation alternating current starting controller, fault data in a starting process can be recorded for multiple times, and important data can be quickly and accurately positioned.
The application provides a data recording method for an aviation communication starting controller in a first aspect, which mainly comprises the following steps:
step S1, taking a first subarea of a space to be stored as a storage subarea, wherein the space to be stored is divided into a plurality of subareas, and each subarea is configured to be capable of recording t seconds of aviation communication starting controller data;
step S2, acquiring the start address and the end address of the memory partition;
step S3, acquiring data of the aviation AC starting controller in real time, and writing the data into the storage partition from the initial address to the final address of the storage partition in a circulating manner until the aviation AC starting controller is monitored to enter a fault state;
step S4, continuously recording data of the aviation AC starting controller for t2 seconds in the storage partition from the time when the aviation AC starting controller enters the fault state, so that data of t1 seconds before the aviation AC starting controller enters the fault state and data of t2 seconds after the aviation AC starting controller enters the fault state are recorded in the storage partition, wherein t1+ t2 is t;
and S5, taking the next subarea of the space to be stored as a new storage subarea, and repeating the steps S2-S4 to write the t second fault data of the new aviation communication starting controller into the new storage subarea.
The method comprises the steps of S3-S4, wherein each fault is recorded in one storage space independently, if no fault exists all the time, only the first storage space is recorded in a circulating mode, and the latest working data of t seconds are obtained finally.
Preferably, step S1 is preceded by:
the storage space is divided into a first part and a second part, the first part stores partition identifications, the partition identifications comprise partition numbers, starting addresses and data writing pointers of all partitions, the second part is divided into a plurality of partitions, and each partition corresponds to the partition identification stored in the first part.
Preferably, in step S1, the space size SEC _ LENGTH of each partition is configured to:
wherein, T is a data recording period, and m is the minimum number of storable data units in each data packet of the aviation communication starting controller.
Preferably, the acquiring the aero-ac start controller data in step S3 includes:
and periodically monitoring the state of the aviation AC starting controller, and when the aviation AC starting controller enters a starting state, a cold running state or a no-load state, meeting a data recording condition and writing data into the storage partition.
Preferably, in step S4, after t2 seconds of the data of the aviation ac start controller is recorded, the data pointing to the current position is written into the pointer and stored.
The second aspect of the present application provides an aeronautical communication starting controller data recording system corresponding to the above method, which mainly includes:
the storage partition determining module is used for taking a first partition of a space to be stored as a storage partition, wherein the space to be stored is divided into a plurality of partitions, and each partition is configured to be capable of recording t seconds of aviation communication starting controller data;
a storage partition write address determining module, configured to obtain a start address and a last address of the storage partition;
the storage partition data writing module is used for acquiring the data of the aviation AC starting controller in real time and writing the data into the storage partition from the initial address to the final address of the storage partition in a circulating manner until the aviation AC starting controller is monitored to enter a fault state;
the storage partition data solidification module is used for continuously recording t2 seconds of aviation AC starting controller data in the storage partition from the time when the aviation AC starting controller enters the fault state, so that t1 seconds of data before the aviation AC starting controller enters the fault state and t2 seconds after the aviation AC starting controller enters the fault state are recorded in the storage partition, wherein t1+ t2 is t;
and the storage partition updating module is used for taking the next partition of the space to be stored as a new storage partition so as to write the t second fault data of the new aviation communication starting controller into the new storage partition.
Preferably, the storage device further comprises a storage space dividing module, configured to divide the storage space into a first part and a second part, where the first part stores partition identifiers, the partition identifiers include a partition number, a start address, and a data write pointer of each partition, the second part is divided into multiple partitions, and each partition corresponds to a partition identifier stored in the first part.
Preferably, the spatial size SEC _ LENGTH of each partition is configured to:
wherein, T is a data recording period, and m is the minimum number of storable data units in each data packet of the aviation communication starting controller.
Preferably, the storage partition data writing module includes:
and the controller monitoring unit is used for periodically monitoring the state of the aviation AC starting controller, meeting the data recording condition when the aviation AC starting controller enters a starting state, a cold running state or a no-load state, and writing data into the storage subarea.
Preferably, the storage partition data solidifying module includes:
and the data writing pointer updating unit is used for storing the data writing pointer pointing to the current position after the aeronautical communication starting controller data of t2 seconds is recorded.
The method for recording the fault data in the starting process for multiple times is designed aiming at the technical requirement that the starting controller can be started for multiple times, the fault data can be independently stored when the starting controller is started for each time, the fault data can be rapidly positioned, and troubleshooting is facilitated. Meanwhile, the data recording range of each area is important process data before and after the fault occurs, if no fault occurs in the starting, the latest state data is only recorded in the specified area in a circulating mode, unnecessary space occupation is reduced, and the utilization rate of memory resources is improved.
Drawings
FIG. 1 is a flow chart of a preferred embodiment of the present invention aero-ac start controller data recording method.
Detailed Description
In order to make the implementation objects, technical solutions and advantages of the present application clearer, the technical solutions in the embodiments of the present application will be described in more detail below with reference to the accompanying drawings in the embodiments of the present application. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are some, but not all embodiments of the present application. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present application, and should not be construed as limiting the present application. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application. Embodiments of the present application will be described in detail below with reference to the drawings.
In a first aspect, the present application provides a method for recording data of an aeronautical communication starting controller, as shown in fig. 1, which mainly includes:
and step S1, taking a first subarea of a space to be stored as a storage subarea, wherein the space to be stored is divided into a plurality of subareas, and each subarea is configured to be capable of recording t seconds of aviation communication starting controller data.
In some optional embodiments, step S1 is preceded by: the storage space is divided into a first part and a second part, the first part stores partition identifications, the partition identifications comprise partition numbers, starting addresses and data writing pointers of all partitions, the second part is divided into a plurality of partitions, and each partition corresponds to the partition identification stored in the first part.
The method and the device firstly distribute the storage space, the storage space is mainly divided into two parts, the first part is used for storing the relevant identification, and the second part is used for storing the data to be recorded in a partitioning mode. The first part of space to be stored includes the area number and the TOP pointer value of each area, i.e. the data write pointer, as the basis for data recording. The second part of space is divided into areas according to the size of the storage data packet, the amount of data to be stored and the like. According to the requirement of the aviation AC starting controller, setting the size of each partition as data capable of recording ts (including t1s data before fault and t2s after fault, t1+ t 2). If each packet of data has m wbits (w is the minimum unit of data that can be stored in the memory address) and the data recording period is Ts, the size SEC _ LENGTH of the space required by each area is calculated as follows:
in an alternative embodiment, the number of partitions N may also be calculated according to the size assigned to the second portion of space and SEC _ LENGTH; the data recording period T may also be set according to the determined number of partitions N.
For example, a NVSRAM storage medium with the memory capacity of 128 Kx 8 bits is designed to be suitable for the partition data record of the aviation AC starting controller.
The NVSRAM has 128 × 1024 addresses 131072, the following address lengths are counted in decimal, the count is from 1, and the addresses are allocated as follows:
a first part: 1-10000; a second part: 10001 to 130000.
And performing second partial area division according to the size of the stored data packet, the data amount to be stored and the like.
Each partition is set to a size that can record 8s of data (including 5s data before failure and 3s after failure). If each packet data has 50 8 bits and the data recording period is 10ms, the required space size SEC _ LENGTH of each area is calculated as follows:
SEC_LENGTH＝8×100×50＝40000。
therefore, each area has an address length of 40000, and the second partial space can be provided with 3 areas, and the addresses are allocated as follows:
region 1: 10001-50000; region 2: 50001-90000; region 3: 90001 to 130000.
And step S2, acquiring the start address and the end address of the memory partition.
This step is actually to obtain the start address from the data write pointer at initialization, and the end address can be determined by the start address of the next memory partition.
The method stores data write pointer TOP pointers in an array form, and simultaneously stores base addresses of all partitions. Specifically, the assigned area-related addresses, including the area number, the area pointer, and the area base address, may be defined by the macro, and are represented as follows in hexadecimal for corresponding to the memory address:
area number: ADDR _ SECNO 0x0010
Region 1TOP pointer: ADDR _ TOPPTR _ SEC 10 x0012
Region 2TOP pointer: ADDR _ TOPPTR _ SEC 20 x0012
Region npop pointer: ADDR _ TOPPTR _ SECn 0x0014
And setting the base address of each area according to SEC _ LENGTH:
base address of region 1: BASEADDR _ SEC 10 x2710
Base address of region 2: BASEADDR _ SEC 20 xC350
Base address of region n: BASEADDR _ SECn 0x15F90
Defining a local TOP pointer array: sectoptr [3] = { ADDR _ toptr _ SEC1, ADDR _ toptr _ SEC2, ADDR _ toptr _ SECn };
defining a region base address array: secbasddr [3] { baseddr _ SEC1, baseddr _ SEC2, aseddr _ SECn }.
And step S3, acquiring the data of the aviation AC starting controller in real time, and writing the data into the storage partition from the initial address to the final address of the storage partition in a circulating manner until the aviation AC starting controller is monitored to enter a fault state.
In some alternative embodiments, the step of obtaining the aero-ac start controller data in step S3 includes: and periodically monitoring the state of the aviation AC starting controller, and when the aviation AC starting controller enters a starting state, a cold running state or a no-load state, meeting a data recording condition and writing data into the storage partition.
In this step, when the aero ac start controller enters the start state or cold run state or idle state, the area number stored in ADDR SECNO is read, obtaining the address of the designated area according to the base address array SECBASEADD [ N ], starting to record data, generating one data each time by the aviation AC starting controller, the data is written into the memory partition, the data writing pointer is updated continuously, when the memory partition is full, the data writing pointer jumps back to the initial address of the memory partition, the previous data is covered, and if no fault occurs in the whole test process or under normal working conditions, only the first memory partition in the entire memory space records the t seconds of data t before the end of the aero ac start controller, when it is detected that the aero ac start controller enters the failure state, data before and after the failure state is stored in the storage area through step S4.
And step S4, continuously recording the data of the aviation AC starting controller for t2 seconds in the storage partition since the aviation AC starting controller enters the fault state, so that the data of t1 seconds before the aviation AC starting controller enters the fault state and the data of t2 seconds after the aviation AC starting controller enters the fault state are recorded in the storage partition, wherein t1+ t2 is t.
It can be understood that when the aero ac start controller enters the failure state, except for the special case that the aero ac start controller has just started, the storage partition actually records t seconds of data before failure, from the Time of failure, the present application sets a timer Time 1to continue to overwrite the data written in t2 seconds, and still continues the strategy of cyclic writing in step S3 until t seconds of data before the failure of the storage partition is overwritten by t2 seconds, so that the storage partition retains t1 seconds of data before the failure and t2 seconds of data newly recorded after the failure.
In some alternative embodiments, in step S4, after t2 seconds of the aviation AC start controller data is recorded, the data pointing to the current location is written to the pointer for storage.
It can be understood that, because the storage space stores t seconds of failure data, the pointer points to a position which is both the time when data writing ends and the time when data writing begins, and by storing the pointer, the sequential derivation of the entire failure data is facilitated when data playback is performed.
And S5, taking the next subarea of the space to be stored as a new storage subarea, and repeating the steps S2-S4 to write the t second fault data of the new aviation communication starting controller into the new storage subarea.
After the first storage partition records the first failure data, the storage partition is updated through step S1 to obtain a new partition number, which is assigned to SECNO, and a designated area address is obtained according to secbasdd [ SECNO ], and new data writing is performed.
The method for recording the fault data in the starting process for multiple times is designed aiming at the technical requirement that the starting controller can be started for multiple times, the fault data can be independently stored when the starting controller is started for each time, the fault data can be rapidly positioned, and troubleshooting is facilitated. Meanwhile, the data recording range of each area is important process data before and after the fault occurs, if no fault occurs in the starting, the latest state data is only recorded in the specified area in a circulating mode, unnecessary space occupation is reduced, and the utilization rate of memory resources is improved.
The second aspect of the present application provides an aeronautical communication starting controller data recording system corresponding to the above method, which mainly includes: the storage partition determining module is used for taking a first partition of a space to be stored as a storage partition, wherein the space to be stored is divided into a plurality of partitions, and each partition is configured to be capable of recording t seconds of aviation communication starting controller data; a storage partition write address determining module, configured to obtain a start address and a last address of the storage partition; the storage partition data writing module is used for acquiring the data of the aviation AC starting controller in real time and writing the data into the storage partition from the initial address to the final address of the storage partition in a circulating manner until the aviation AC starting controller is monitored to enter a fault state; the storage partition data solidification module is used for continuously recording t2 seconds of aviation AC starting controller data in the storage partition from the time when the aviation AC starting controller enters the fault state, so that t1 seconds of data before the aviation AC starting controller enters the fault state and t2 seconds after the aviation AC starting controller enters the fault state are recorded in the storage partition, wherein t1+ t2 is t; and the storage partition updating module is used for taking the next partition of the space to be stored as a new storage partition so as to write the t second fault data of the new aviation communication starting controller into the new storage partition.
In some optional embodiments, the storage device further includes a storage space dividing module, configured to divide the storage space into a first portion and a second portion, where the first portion stores a partition identifier, the partition identifier includes a partition number, a start address, and a data write pointer of each partition, and the second portion is divided into multiple partitions, and each partition corresponds to a partition identifier stored in the first portion.
In some optional embodiments, the spatial size SEC _ LENGTH of each partition is configured to:
wherein, T is a data recording period, and m is the minimum number of storable data units in each data packet of the aviation communication starting controller.
In some optional embodiments, the storage partition data writing module comprises: and the controller monitoring unit is used for periodically monitoring the state of the aviation AC starting controller, meeting the data recording condition when the aviation AC starting controller enters a starting state, a cold running state or a no-load state, and writing data into the storage partition.
In some optional embodiments, the storage partition data solidifying module comprises: and the data writing pointer updating unit is used for storing the data writing pointer pointing to the current position after the aeronautical communication starting controller data of t2 seconds is recorded.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present application should be covered within the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (10)
1. An aviation communication starting controller data recording method is characterized by comprising the following steps:
step S1, taking a first subarea of a space to be stored as a storage subarea, wherein the space to be stored is divided into a plurality of subareas, and each subarea is configured to be capable of recording t seconds of aviation communication starting controller data;
step S2, acquiring the start address and the end address of the memory partition;
step S3, acquiring data of the aviation AC starting controller in real time, and writing the data into the storage partition from the initial address to the final address of the storage partition in a circulating manner until the aviation AC starting controller is monitored to enter a fault state;
step S4, continuously recording data of the aviation AC starting controller for t2 seconds in the storage partition from the time when the aviation AC starting controller enters the fault state, so that data of t1 seconds before the aviation AC starting controller enters the fault state and data of t2 seconds after the aviation AC starting controller enters the fault state are recorded in the storage partition, wherein t1+ t2 is t;
and S5, taking the next subarea of the space to be stored as a new storage subarea, and repeating the steps S2-S4 to write the t second fault data of the new aviation communication starting controller into the new storage subarea.
2. The aeronautical communication start controller data recording method according to claim 1, wherein step S1 is preceded by further comprising:
the storage space is divided into a first part and a second part, the first part stores partition identifications, the partition identifications comprise partition numbers, starting addresses and data writing pointers of all partitions, the second part is divided into a plurality of partitions, and each partition corresponds to the partition identification stored in the first part.
3. The avionic AC start controller data recording method of claim 1, wherein in step S1, the space size SEC _ LENGTH of each zone is configured to:
wherein, T is a data recording period, and m is the minimum number of storable data units in each data packet of the aviation communication starting controller.
4. The method for recording data of an aero ac start controller as set forth in claim 1 wherein the step of acquiring aero ac start controller data at step S3 comprises:
and periodically monitoring the state of the aviation AC starting controller, and when the aviation AC starting controller enters a starting state, a cold running state or a no-load state, meeting a data recording condition and writing data into the storage partition.
5. The method of recording data of an aero ac start controller as set forth in claim 1, wherein in step S4, after t2 seconds of aero ac start controller data is recorded, data pointing to the current position is written to a pointer for storage.
6. An aviation AC starting controller data recording system, comprising:
the storage partition determining module is used for taking a first partition of a space to be stored as a storage partition, wherein the space to be stored is divided into a plurality of partitions, and each partition is configured to be capable of recording t seconds of aviation communication starting controller data;
a storage partition write address determining module, configured to obtain a start address and a last address of the storage partition;
the storage partition data writing module is used for acquiring the data of the aviation AC starting controller in real time and writing the data into the storage partition from the initial address to the final address of the storage partition in a circulating manner until the aviation AC starting controller is monitored to enter a fault state;
the storage partition data solidification module is used for continuously recording t2 seconds of aviation AC starting controller data in the storage partition from the time when the aviation AC starting controller enters the fault state, so that t1 seconds of data before the aviation AC starting controller enters the fault state and t2 seconds after the aviation AC starting controller enters the fault state are recorded in the storage partition, wherein t1+ t2 is t;
and the storage partition updating module is used for taking the next partition of the space to be stored as a new storage partition so as to write the t second fault data of the new aviation communication starting controller into the new storage partition.
7. The aircraft ac start controller data recording system according to claim 6, further comprising a storage space dividing module for dividing a storage space into a first portion and a second portion, the first portion storing a partition identification, the partition identification including a partition number, a start address, and a data write pointer for each partition, the second portion being divided into a plurality of partitions, each partition corresponding to a partition identification stored in the first portion.
8. The avionics AC start controller data logging system of claim 6, wherein the space size SEC _ LENGTH of each zone is configured to:
wherein, T is a data recording period, and m is the minimum number of storable data units in each data packet of the aviation communication starting controller.
9. The aircraft ac start controller data logging system of claim 6, wherein said memory partition data writing module comprises:
and the controller monitoring unit is used for periodically monitoring the state of the aviation AC starting controller, meeting the data recording condition when the aviation AC starting controller enters a starting state, a cold running state or a no-load state, and writing data into the storage subarea.
10. The avionics AC start controller data logging system of claim 6, wherein the memory partition data consolidation module comprises:
and the data writing pointer updating unit is used for storing the data writing pointer pointing to the current position after the aeronautical communication starting controller data of t2 seconds is recorded.
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| CN112015159A (en) * | 2019-05-31 | 2020-12-01 | 中车株洲电力机车研究所有限公司 | Fault record storage method based on dual-core MCU and computer system |
| CN110992519A (en) * | 2019-12-10 | 2020-04-10 | 厦门金龙联合汽车工业有限公司 | New energy automobile fault data processing method and processing device |
| CN111858116A (en) * | 2020-06-19 | 2020-10-30 | 浪潮电子信息产业股份有限公司 | Information recording method, device, equipment and readable storage medium |
| CN112162691A (en) * | 2020-09-29 | 2021-01-01 | 深圳市英威腾电动汽车驱动技术有限公司 | Data acquisition method, device and storage medium |
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