CN113375512B - Air-fried ammunition compound spacing method and device and terminal equipment - Google Patents
Air-fried ammunition compound spacing method and device and terminal equipment Download PDFInfo
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- CN113375512B CN113375512B CN202110633135.1A CN202110633135A CN113375512B CN 113375512 B CN113375512 B CN 113375512B CN 202110633135 A CN202110633135 A CN 202110633135A CN 113375512 B CN113375512 B CN 113375512B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B35/00—Testing or checking of ammunition
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B3/00—Blasting cartridges, i.e. case and explosive
- F42B3/10—Initiators therefor
- F42B3/16—Pyrotechnic delay initiators
Abstract
The invention is suitable for the technical field of spacing of air-fried ammunition, and provides a method, a device and terminal equipment for spacing air-fried ammunition in a composite manner, wherein the method comprises the following steps: the method comprises the steps of calculating the accumulated rolling turns of ammunition in a rotation mode when a rolling signal is stable, calculating the accumulated rolling turns of the ammunition in a timing mode when the rolling signal is unstable, avoiding the problem that the rolling signal is interfered and enters a blind area to cause the number of missed rolling turns, calculating the second rolling turns of a timing working stage by adopting the nearest rotation counting period after entering the timing working stage and the rolling timing of the timing working stage after entering the timing working stage, correcting the accumulated rolling turns by adopting the difference value of the first rolling turns and the second rolling turns, and repeating the process until the accumulated rolling turns reach the set number of rolling turns to generate an ignition signal. In order to reduce the distance error of the timing mode, the rolling turns of the timing stage are corrected after the timing working stage is separated, and the distance precision of the air-fried ammunition can be further improved.
Description
Technical Field
The invention belongs to the technical field of air-fried ammunition spacing, and particularly relates to a method, a device and terminal equipment for air-fried ammunition composite spacing.
Background
The distance air-blasting ammunition is detonated at a set distance through a programmable electronic fuse, so that the operational efficiency of the ammunition can be improved. The fixed-distance air-frying system mainly comprises a timing fixed-distance air-frying system, a revolution-counting fixed-distance air-frying system and a composite fixed-distance system.
The timing and spacing air-fried system is simple and easy to realize, and has the defects of high timing precision requirement and very sensitive spacing error to the initial speed of ammunition. The revolution counting and distance setting air-fried system generally uses a geomagnetic revolution counting method, the geomagnetic revolution counting method uses a magnetic field sensor fixedly connected with a fuse to sense the change of ammunition relative to a geomagnetic field, a rolling signal is generated, then the rolling number of rounds of ammunition is accumulated by detecting the rolling signal, and the revolution counting and distance setting system has the defect that the magnetic field sensor is easily influenced by the surrounding environment. The timing-counting revolution composite system is characterized in that a revolution system model is used before a projectile is at a certain distance, and a timing system model is used at the later stage. The method only simply combines two distance systems, and does not completely consider the influence of magnetic field change on distance calculation, so that the distance accuracy is poor.
Disclosure of Invention
In view of this, the embodiment of the invention provides a method, a device and a terminal device for compound spacing of air-fried ammunition, so as to solve the problem of poor accuracy in spacing of air-fried ammunition in the prior art.
The first aspect of the embodiment of the invention provides a method for spacing air-fried ammunition in a composite mode, which comprises the following steps:
the method comprises the following steps: when the launching signal of the target ammunition is monitored, acquiring a rolling signal of the target ammunition through a geomagnetic sensor, and initializing the current accumulated number of rolling turns;
step two: entering a timing working stage, performing rolling timing on the target ammunition by adopting a timer, and predicting a first rolling turn number of the target ammunition in the current timing working stage according to the rolling timing; updating the current accumulated rolling turns by adopting the first rolling turns of the target ammunition in the current timing working stage;
step three: if the current rolling signal is detected to meet the signal stability condition, entering a counting working stage from a timing working stage, taking a counting period of the rolling signal within preset time after entering the current counting working stage as a first counting period, calculating a second rolling turn number of the current timing working stage by adopting the first counting period and the rolling timing of the current timing working stage, taking a difference value of the first rolling turn number and the second rolling turn number of the current timing working stage as a correction difference value, and correcting the current accumulated rolling turn number by adopting the correction difference value of the current timing working stage;
step four: in the counting working stage, acquiring a second rolling turn number of the target ammunition in the current counting working stage according to the current rolling signal, and updating the current accumulated rolling turn number according to the second rolling turn number corresponding to the current counting working stage;
step five: and if the current rolling signal is detected not to meet the signal stability condition, returning to the step two, and repeatedly executing the step two to the step five until the current accumulated rolling circle number reaches the set rolling circle number to generate an ignition signal.
A second aspect of an embodiment of the present invention provides a composite spacing device for air-fried ammunition, including:
the starting module is used for acquiring a rolling signal of the target ammunition through the geomagnetic sensor and initializing the current accumulated rolling turns when the launching signal of the target ammunition is monitored;
the rolling timing module is used for entering a timing working stage, performing rolling timing on the target ammunition by adopting a timer, and predicting a first rolling turn number of the target ammunition in the current timing working stage according to the rolling timing; updating the current accumulated rolling turns by adopting the first rolling turns of the target ammunition in the current timing working stage;
the rolling number correction module is used for entering a counting working stage from a timing working stage if the current rolling signal is detected to meet a signal stability condition, taking a counting period of the rolling signal within a preset time after entering the current counting working stage as a first counting period, calculating a second rolling number of turns of the current timing working stage by adopting the first counting period and the rolling timing of the current timing working stage, taking a difference value of the first rolling number of turns and the second rolling number of turns of the current timing working stage as a correction difference value, and correcting the current accumulated rolling number of turns by adopting the correction difference value of the current timing working stage;
the rolling counting module is used for acquiring a second rolling turn number of the target ammunition in the current rotation working stage according to the current rolling signal in the rotation working stage, and updating the current accumulated rolling turn number according to the second rolling turn number corresponding to the current rotation working stage;
and the ignition module is used for returning to the rolling timing module if the current rolling signal is detected not to meet the signal stability condition, repeating the process until the current accumulated rolling turn number reaches the fixed rolling turn number, and generating the ignition signal.
A third aspect of an embodiment of the present invention provides a terminal device comprising a memory, a processor and a computer program stored in the memory and executable on the processor, the processor implementing the steps of the method for compound spacing of air-fried ammunition as described above when executing the computer program.
A fourth aspect of an embodiment of the present invention provides a computer-readable storage medium having stored thereon a computer program which, when executed by a processor, carries out the steps of the method for compound spacing of air-fried ammunition as described above.
Compared with the prior art, the embodiment of the invention has the following beneficial effects: the embodiment adopts the accumulative roll number of turns of ammunition of rotation mode calculation when the roll signal is stable, adopt the accumulative roll number of turns of timing mode calculation ammunition when the roll signal is unstable, avoid the roll signal to receive the problem that causes the hourglass number of turns after disturbing and getting into the blind area, and after getting into the rotation working stage, adopt the nearest second roll number of turns of rotation cycle and the roll timing calculation timing working stage of timing working stage behind the rotation working stage of entering, adopt the difference of first roll number of turns and second roll number of turns to revise the accumulative roll number of turns, repeat above-mentioned process until the accumulative roll number of turns reaches the installation number of turns and generates ignition signal. In order to reduce the distance error of the timing mode, the rolling turns of the timing stage are corrected after the timing working stage is separated, and the distance precision of the air-fried ammunition can be further improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
FIG. 1 is a schematic flow chart of a method for spacing air-fried ammunition in a composite manner according to an embodiment of the invention;
FIG. 2 is a schematic structural diagram of a composite spacing device for air-fried ammunition provided by the embodiment of the invention;
fig. 3 is a schematic diagram of a terminal device according to an embodiment of the present invention.
Detailed Description
In the following description, for purposes of explanation and not limitation, specific details are set forth, such as particular system structures, techniques, etc. in order to provide a thorough understanding of the embodiments of the invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present invention with unnecessary detail.
In order to explain the technical means of the present invention, the following description will be given by way of specific examples.
In one embodiment, as shown in fig. 1, fig. 1 shows a flow for implementing a composite spacing method for air-fried ammunition according to an embodiment of the present invention, which includes:
s101: when the emission signal of the target ammunition is monitored, the rolling signal of the target ammunition is acquired through the geomagnetic sensor, and the current accumulated rolling turns are initialized.
The execution main body of the embodiment is a terminal device, and the terminal device is respectively connected with the geomagnetic sensor and the timer. And when monitoring the emission signal of the target ammunition, the terminal equipment respectively controls the geomagnetic sensor and the timer to start working, and initializes the current accumulated rolling turns to be zero.
Illustratively, the terminal equipment can be a single chip microcomputer installed on the target ammunition, and can also be equipment which is locally arranged and can communicate with a geomagnetic sensor, a timer and a fuse on the target ammunition.
S102: entering a timing working stage, performing rolling timing on the target ammunition by adopting a timer, and predicting a first rolling turn number of the target ammunition in the current timing working stage according to the rolling timing; and updating the current accumulated rolling turns by adopting the first rolling turns of the target ammunition in the current timing working stage.
In the embodiment, when the ammunition is shot and moves from the gun barrel to the stage just after the ammunition is shot, the magnetic field sensor is influenced by ionized gas of the gun barrel and the gun muzzle, the output rolling signal is unstable, and the rolling turns of the ammunition cannot be normally accumulated, at the moment, the system working mode is a timing compensation working mode, and the timer starts to time. And the terminal equipment predicts the first rolling turns of the target ammunition in the current timing working stage in real time according to the rolling timing.
S103: if the current rolling signal is detected to meet the signal stability condition, the timing working stage enters a counting working stage, the counting period of the rolling signal in the preset time after the current counting working stage is entered is taken as a first counting period, the first counting period and the rolling timing of the current timing working stage are adopted to calculate the second rolling turn number of the current timing working stage, the difference value of the first rolling turn number and the second rolling turn number of the current timing working stage is taken as a correction difference value, and the correction difference value of the current timing working stage is adopted to correct the current accumulated rolling turn number.
In this embodiment, the terminal device monitors the roll signal in real time, extracts the rotation counting period of the roll signal, and determines that the rotation counting period of the roll signal is stable if the periodic roll signal can be monitored and the difference between the rotation counting periods of N continuous roll signals is smaller than the pre-designed rotation period difference threshold, and switches from the timing operation stage to the rotation counting operation stage.
Because the rolling angular speed of the projectile can be attenuated continuously in the flying process, the rotation counting period of the projectile rolling can be gradually lengthened, so that after the projectile leaves the timing working stage, the first rotation counting period and the rotation counting period before entering the timing working stage can be considered comprehensively, and the rolling turn number of the projectile in the timing working stage can be estimated more accurately.
In this embodiment, the preset time may be a total duration of M rotation cycles, or may be a duration of 1 rotation cycle. Specifically, the first rotation counting period may be a rotation counting period of a first roll signal in the current rotation counting working phase, or may be an average value of the previous M rotation counting periods within a preset time.
S104: and in the counting working stage, acquiring a second rolling turn number of the target ammunition in the current counting working stage according to the current rolling signal, and updating the current accumulated rolling turn number according to the second rolling turn number corresponding to the current counting working stage.
S105: and if the current rolling signal is detected not to meet the signal stability condition, returning to the step 102, and repeatedly executing the steps 102 to 105 until the current accumulated rolling circle number reaches the set rolling circle number to generate an ignition signal.
In this embodiment, in the process of flying the projectile, when the rolling axis of the projectile is approximately parallel to the geomagnetic vector, the magnetic field sensor cannot sense the geomagnetic field change, cannot generate a rolling signal, and enters a rolling signal detection blind area, so that the current rolling signal does not meet the stability condition at this time, and the terminal device enters the timing working stage again from the timing working stage.
Specifically, if the amplitude of a certain moment of the rolling signal is smaller than a preset amplitude, the moment is used as an initial moment, the terminal device starts a timer to start timing, if the amplitude of the rolling signal in a first time period after the initial moment is always smaller than the preset amplitude, it is judged that the rolling signal does not meet a signal stability condition, at the moment, the terminal device takes the initial moment as the initial timing moment of entering a timing working stage, and a first rolling turn number of the current timing working stage is calculated in real time according to the rolling timing of the timer. And if the amplitude of the rolling signal in the first time period after the initial moment is larger than the preset amplitude, the timer is stopped for timing.
In the embodiment, the terminal equipment triggers the fuze to ignite according to the ignition signal.
It can be known from the above embodiments that in the present embodiment, when the roll signal is stable, the accumulated number of rolls of the ammunition is calculated in a rotation manner, when the roll signal is unstable, the accumulated number of rolls of the ammunition is calculated in a timing manner, so as to avoid the problem that the number of rolls is missed after the roll signal is interfered and enters a blind area. In order to reduce the distance error of a timing mode, the rolling circle number of the timing stage is corrected after the timing working stage is separated, and the distance precision of the air-fried ammunition can be further improved.
In an embodiment, the specific implementation flow of S102 includes:
s201: and if the previous working stage of the current timing working stage is a counting working stage, taking the counting period of the rolling signal in a preset time before the current timing working stage as a predicted counting period of the current timing working stage, and predicting the first rolling turn number of the target ammunition in the current timing working stage by adopting the predicted counting period and the rolling timing.
In this embodiment, the terminal device may use a roll signal rotation period before entering the timing working phase as a predicted rotation period of the current timing working phase, or may use an average of M roll signal rotation periods before entering the timing working phase as the predicted rotation period of the current timing working phase.
Specifically, the calculation formula of the first rolling turn number is as follows:
wherein R is p Is the first rolling turn number, t i For roll timing, P p The count-up period is predicted.
S202: and if the current timing working stage is the first working stage of the target ammunition, adopting a first pre-designed rotation period as a predicted rotation period of the current timing working stage, and predicting the first rolling turn number of the target ammunition in the current timing working stage by adopting the predicted rotation period and the rolling timing.
In one embodiment of the present invention, the timer may be turned on only and not count the first roll turn if there is no measured roll period at the time of entering the timed operation phase, such as the phase from system power up until the magnetic field sensor outputs a stable roll signal. After the magnetic field sensor generates stable rolling signals, the stable rotation period P is directly used n Roll timing t calculated from timer i Calculating the second rolling circle number R of the timing working stage e 。
Specifically, assuming that the projectile rolls at a uniform speed, the first roll turn number calculation formula at this stage from the system power-on to before the magnetic field sensor outputs a stable roll signal is as follows:
in an embodiment, the specific implementation flow of S103 may further include:
if the current timing working stage is the first working stage of the target ammunition, the formula is corrected through the first turn number
Calculating a second rolling circle number of the current timing working stage;
wherein, t s Representing the mean delay time of the target ammunition; Δ represents the number of angular acceleration correction turns of the target ammunition; ε represents the angular velocity damping coefficient, P, of the target ammunition n Representing the first spin-up period.
In the embodiment, Δ is the angular acceleration correction number of turns of the target projectile, the angular velocity of the projectile at the muzzle and the rolling number of turns of the timed backward-propulsion projectile in the barrel are used, the rolling number of backward-propulsion projectile is greater than the actual rolling number of turns of the projectile in the accelerating process of the barrel, and Δ is the estimated value of the difference between the backward-propulsion rolling number of turns and the actual rolling number of turns; epsilon is the angular velocity attenuation coefficient of the projectile, and the revolution counting period P of the current projectile is used n The number of roll turns before push back, the current projectile revolution period P, since the projectile roll angular velocity is attenuated after exit from the muzzle n And if the average rotation period is longer than the average rotation period, correcting by using the roll angular velocity attenuation coefficient epsilon of the projectile, wherein the numerical value of epsilon is slightly less than 1 and is related to the roll angular velocity attenuation speed of the projectile after the projectile is delivered from the muzzle.
In an embodiment, the specific implementation flow of S103 further includes:
s301: acquiring a predicted rotation counting period of a rolling signal in a current timing working stage;
s302: calculating the predicted rotation counting period of the roll signal in the current timing working stage and the average value of the rotation counting period of the first rotation counting period;
s303: and dividing the rolling timing of the current timing working stage by the average value of the counting period to obtain a second rolling turn number of the current timing working stage.
In this embodiment, the second rolling turn number is calculated by the following formula:
wherein R is e Is the second rolling turn number, t i For roll timing, P p For predicting the revolution period, P n Is the first spin-up period.
As can be seen from the above-described embodiments, the second roll turns re-estimated after leaving the blind zone can utilize the revolution counting period before and after the blind zone, compared to the first roll turns calculated using only the revolution counting period before the shot entered the blind zone, and therefore the re-estimated roll turns are more accurate.
In one embodiment, the specific implementation flow of S105 in fig. 1 includes:
s401: subtracting the current accumulated rolling circle number from the set rolling circle number to obtain a first difference value;
s402: and if the first difference is smaller than a preset difference threshold, entering a timing working stage until the current accumulated rolling turns reach the set rolling turns.
In this embodiment, when the accumulated number of rolling turns is about to reach the predetermined number of turns, if the terminal device monitors that the terminal device is currently in the counting working stage, the terminal device switches to the timing working stage, estimates the number of rolling turns in the current timing working stage by using the latest rolling signal counting period and the rolling timing prediction in the current timing working stage, and obtains the current accumulated number of rolling turns according to the number of rolling turns in the current timing working stage and the accumulated number of rolling turns before entering the current timing working stage. Compared with the method for obtaining the rolling turns according to the rolling signals acquired by the geomagnetic sensor, the counting method has the advantages that the decimal part of the rolling turns of the projectile can be calculated more accurately by using the timing working mode, and more accurate distance control is facilitated.
It should be understood that, the sequence numbers of the steps in the foregoing embodiments do not imply an execution sequence, and the execution sequence of each process should be determined by its function and inherent logic, and should not constitute any limitation to the implementation process of the embodiments of the present invention.
In one embodiment, as shown in fig. 2, fig. 2 shows the structure of the air-fried ammunition composite distance device provided by the embodiment, which comprises:
the starting module 110 is used for acquiring a rolling signal of the target ammunition through a geomagnetic sensor and initializing the current accumulated rolling turns when the emission signal of the target ammunition is monitored;
the rolling timing module 120 is used for entering a timing working stage, performing rolling timing on the target ammunition by using a timer, and predicting a first rolling turn number of the target ammunition in the current timing working stage according to the rolling timing; updating the current accumulated rolling turns by adopting the first rolling turns of the target ammunition in the current timing working stage;
the turn number correction module 130 is configured to, if it is detected that the current roll signal meets the signal stability condition, enter the counting operation stage from the timing operation stage, use a counting period of the roll signal within a preset time after entering the current counting operation stage as a first counting period, calculate a second roll turn number of the current timing operation stage by using the first counting period and the roll timing of the current timing operation stage, use a difference value between the first roll turn number and the second roll turn number of the current timing operation stage as a correction difference value, and correct the current accumulated roll turn number by using the correction difference value of the current timing operation stage;
the roll counting module 140 is configured to, in the counting operation stage, obtain a second roll turn number of the target ammunition in the current counting operation stage according to the current roll signal, and update the current accumulated roll turn number according to the second roll turn number corresponding to the current counting operation stage;
and the ignition module 150 is used for returning to the rolling timing module if the current rolling signal is detected not to meet the signal stability condition, repeating the process until the current accumulated rolling turns reach the fixed rolling turns, and generating the ignition signal.
It can be known from the above embodiments that in the present embodiment, when the roll signal is stable, the accumulated number of rolls of the ammunition is calculated in a rotation manner, when the roll signal is unstable, the accumulated number of rolls of the ammunition is calculated in a timing manner, so as to avoid the problem that the number of rolls is missed after the roll signal is interfered and enters a blind area. In order to reduce the distance error of the timing mode, the rolling turns of the timing stage are corrected after the timing working stage is separated, and the distance precision of the air-fried ammunition can be further improved.
In one embodiment, the roll timing module 120 includes:
the first rolling timing unit is used for taking the rotation counting period of the rolling signal within preset time before the current timing working stage as the predicted rotation counting period of the current timing working stage and predicting the first rolling turn number of the target ammunition in the current timing working stage by adopting the predicted rotation counting period and the rolling timing if the previous working stage of the current timing working stage is the rotation counting working stage;
and the second rolling timing unit is used for adopting a first pre-designed rotation period as a predicted rotation period of the current timing working stage if the current timing working stage is the first working stage of the target ammunition, and adopting the predicted rotation period and the rolling timing to predict the first rolling turn number of the target ammunition in the current timing working stage.
In one embodiment, the lap number correction module 130 is specifically configured to:
if the current timing working stage is the first working stage of the target ammunition, the formula is corrected through the first turn number
Calculating a second rolling circle number of the current timing working stage;
wherein, t s Representing the mean delay time of the target ammunition; Δ represents the number of angular acceleration correction turns of the target ammunition; ε represents the angular velocity damping coefficient, P, of the target ammunition n Representing the first spin-up period.
In an embodiment, the lap number correction module 130 may be further specifically configured to:
the predicted rotation counting period acquisition unit is used for acquiring the predicted rotation counting period of the rolling signal in the current timing working stage;
the counting cycle average value calculating unit is used for calculating the predicted counting cycle of the rolling signal in the current timing working stage and the counting cycle average value of the first counting cycle;
and the second rolling circle number calculating unit is used for dividing the rolling timing of the current timing working stage by the average value of the counting period to obtain a second rolling circle number of the current timing working stage.
In one embodiment, the ignition module 150 includes:
the first difference calculating unit is used for subtracting the current accumulated rolling turns from the set rolling turns to obtain a first difference;
and the countdown timing unit is used for entering a timing working stage until the current accumulated rolling turn number reaches the set rolling turn number if the first difference value is smaller than a preset difference value threshold.
Fig. 3 is a schematic diagram of a terminal device according to an embodiment of the present invention. As shown in fig. 3, the terminal device 3 of this embodiment includes: a processor 30, a memory 31 and a computer program 32 stored in said memory 31 and executable on said processor 30. The processor 30, when executing the computer program 32, implements the steps in each of the above-described air-fried ammunition composite spacing method embodiments, such as steps 101 through 105 shown in fig. 1. Alternatively, the processor 30, when executing the computer program 32, implements the functions of each module/unit in the above-described device embodiments, such as the functions of the modules 110 to 150 shown in fig. 2.
The computer program 32 may be divided into one or more modules/units, which are stored in the memory 31 and executed by the processor 30 to accomplish the present invention. The one or more modules/units may be a series of computer program instruction segments capable of performing specific functions, which are used to describe the execution process of the computer program 32 in the terminal device 3.
The terminal device 3 may be a computing device such as a desktop computer, a notebook, a palm computer, and a cloud server. The terminal device may include, but is not limited to, a processor 30, a memory 31. It will be understood by those skilled in the art that fig. 3 is only an example of the terminal device 3, and does not constitute a limitation to the terminal device 3, and may include more or less components than those shown, or combine some components, or different components, for example, the terminal device may also include an input-output device, a network access device, a bus, etc.
The Processor 30 may be a Central Processing Unit (CPU), other general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA) or other Programmable logic device, discrete Gate or transistor logic device, discrete hardware component, or the like. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
The memory 31 may be an internal storage unit of the terminal device 3, such as a hard disk or a memory of the terminal device 3. The memory 31 may also be an external storage device of the terminal device 3, such as a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), and the like, which are provided on the terminal device 3. Further, the memory 31 may also include both an internal storage unit and an external storage device of the terminal device 3. The memory 31 is used for storing the computer program and other programs and data required by the terminal device. The memory 31 may also be used to temporarily store data that has been output or is to be output.
It will be apparent to those skilled in the art that, for convenience and brevity of description, only the above-mentioned division of the functional units and modules is illustrated, and in practical applications, the above-mentioned function distribution may be performed by different functional units and modules according to needs, that is, the internal structure of the apparatus is divided into different functional units or modules to perform all or part of the above-mentioned functions. Each functional unit and module in the embodiments may be integrated in one processing unit, or each unit may exist alone physically, or two or more units are integrated in one unit, and the integrated unit may be implemented in a form of hardware, or in a form of software functional unit. In addition, specific names of the functional units and modules are only for convenience of distinguishing from each other, and are not used for limiting the protection scope of the present application. The specific working processes of the units and modules in the system may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and reference may be made to the related descriptions of other embodiments for parts that are not described or illustrated in a certain embodiment.
Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
In the embodiments provided in the present invention, it should be understood that the disclosed apparatus/terminal device and method may be implemented in other ways. For example, the above-described embodiments of the apparatus/terminal device are merely illustrative, and for example, the division of the modules or units is only one type of logical function division, and other division manners may be available in actual implementation, for example, multiple units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated module/unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, all or part of the flow of the method according to the embodiments of the present invention may also be implemented by a computer program, which may be stored in a computer-readable storage medium, and when the computer program is executed by a processor, the steps of the method embodiments may be implemented. Wherein the computer program comprises computer program code, which may be in the form of source code, object code, an executable file or some intermediate form, etc. The computer-readable medium may include: any entity or device capable of carrying the computer program code, recording medium, usb disk, removable hard disk, magnetic disk, optical disk, computer Memory, read-Only Memory (ROM), random Access Memory (RAM), electrical carrier wave signals, telecommunications signals, software distribution medium, and the like. It should be noted that the computer readable medium may contain content that is subject to appropriate increase or decrease as required by legislation and patent practice in jurisdictions, for example, in some jurisdictions, computer readable media does not include electrical carrier signals and telecommunications signals as is required by legislation and patent practice.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention, and they should be construed as being included therein.
Claims (8)
1. A composite spacing method for air-fried ammunition is characterized by comprising the following steps:
the method comprises the following steps: when the emission signal of the target ammunition is monitored, acquiring a rolling signal of the target ammunition through a geomagnetic sensor, and initializing the current accumulated rolling turns;
step two: entering a timing working stage, performing rolling timing on the target ammunition by adopting a timer, and predicting a first rolling turn number of the target ammunition in the current timing working stage according to the rolling timing; updating the current accumulated rolling turns by adopting the first rolling turns of the target ammunition in the current timing working stage;
step three: if the current rolling signal is detected to meet the signal stability condition, entering a counting working stage from a timing working stage, taking a counting period of the rolling signal within preset time after entering the current counting working stage as a first counting period, calculating a second rolling turn number of the current timing working stage by adopting the first counting period and the rolling timing of the current timing working stage, taking a difference value of the first rolling turn number and the second rolling turn number of the current timing working stage as a correction difference value, and correcting the current accumulated rolling turn number by adopting the correction difference value of the current timing working stage;
step four: in the counting working stage, acquiring a second rolling turn number of the target ammunition in the current counting working stage according to the current rolling signal, and updating the current accumulated rolling turn number according to the second rolling turn number corresponding to the current counting working stage;
step five: if the current rolling signal is detected not to meet the signal stability condition, returning to the step two, and repeatedly executing the step two to the step five until the current accumulated rolling circle number reaches the set rolling circle number, and generating an ignition signal;
predicting a first roll turn of the target ammunition in a current timing working stage according to the roll timing, comprising:
if the previous working stage of the current timing working stage is a counting working stage, taking a counting period of a rolling signal within preset time before entering the current timing working stage as a predicted counting period of the current timing working stage, and predicting a first rolling turn number of the target ammunition in the current timing working stage by adopting the predicted counting period and the rolling timing;
and if the current timing working stage is the first working stage of the target ammunition, adopting a first pre-designed rotation period as a predicted rotation period of the current timing working stage, and predicting the first rolling turn number of the target ammunition in the current timing working stage by adopting the predicted rotation period and the rolling timing.
2. A method of composite spacing of air-fried ammunition as recited in claim 1 wherein said calculating a second number of rolls for a currently timed operational phase using said first count cycle and the roll timing for the currently timed operational phase comprises:
if the current timing working stage is the first working stage of the target ammunition, the formula is corrected through the first turn number
Calculating a second rolling circle number of the current timing working stage;
wherein, t s Representing the mean delay time of the target ammunition; Δ represents the number of angular acceleration correction turns of the target ammunition; ε represents the angular velocity decay coefficient, P, of the target ammunition n Representing the first spin-up period.
3. A method of composite spacing of air-fried ammunition as recited in claim 1 wherein said calculating a second number of rolls for a currently timed operational phase using said first count cycle and the roll timing for the currently timed operational phase comprises:
acquiring a predicted rotation counting period of a rolling signal in a current timing working stage;
calculating the predicted rotation counting period of the roll signal in the current timing working stage and the average value of the rotation counting period of the first rotation counting period;
and dividing the rolling timing of the current timing working stage by the average value of the counting period to obtain a second rolling turn number of the current timing working stage.
4. The method for spacing air-fried ammunition in composite mode according to claim 1, wherein the fifth step comprises the following steps:
subtracting the current accumulated rolling circle number from the set rolling circle number to obtain a first difference value;
and if the first difference is smaller than a preset difference threshold, entering a timing working stage until the current accumulated rolling turns reach the set rolling turns.
5. A compound distance device of air-fried ammunition, characterized by comprising:
the starting module is used for acquiring a rolling signal of the target ammunition through the geomagnetic sensor and initializing the current accumulated rolling turns when the launching signal of the target ammunition is monitored;
the rolling timing module is used for entering a timing working stage, performing rolling timing on the target ammunition by adopting a timer, and predicting a first rolling turn number of the target ammunition in the current timing working stage according to the rolling timing; updating the current accumulated rolling turns by adopting the first rolling turns of the target ammunition in the current timing working stage;
the rolling number correction module is used for entering a counting working stage from a timing working stage if the current rolling signal is detected to meet a signal stability condition, taking a counting period of the rolling signal within a preset time after entering the current counting working stage as a first counting period, calculating a second rolling number of turns of the current timing working stage by adopting the first counting period and the rolling timing of the current timing working stage, taking a difference value of the first rolling number of turns and the second rolling number of turns of the current timing working stage as a correction difference value, and correcting the current accumulated rolling number of turns by adopting the correction difference value of the current timing working stage;
the rolling counting module is used for acquiring a second rolling turn number of the target ammunition in the current rotation working stage according to the current rolling signal in the rotation working stage, and updating the current accumulated rolling turn number according to the second rolling turn number corresponding to the current rotation working stage;
the ignition module is used for returning to the rolling timing module if the current rolling signal is detected not to meet the signal stability condition, repeating the process until the current accumulated rolling turns reach the fixed rolling turns, and generating an ignition signal;
the roll timing module comprises:
the first rolling timing unit is used for taking the rotation counting period of the rolling signal within preset time before the current timing working stage as the predicted rotation counting period of the current timing working stage and predicting the first rolling turn number of the target ammunition in the current timing working stage by adopting the predicted rotation counting period and the rolling timing if the previous working stage of the current timing working stage is the rotation counting working stage;
and the second rolling timing unit is used for adopting a first pre-designed rotation period as a predicted rotation period of the current timing working stage if the current timing working stage is the first working stage of the target ammunition, and adopting the predicted rotation period and the rolling timing to predict the first rolling turn number of the target ammunition in the current timing working stage.
6. A compound spacer device of air-fried ammunition as claimed in claim 5 wherein the turn number correction module is specifically configured to:
if the current timing working stage is the first working stage of the target ammunition, the formula is corrected through the first turn number
Calculating a second rolling circle number of the current timing working stage;
wherein, t s Representing the mean delay time of the target ammunition; Δ represents the number of angular acceleration correction turns of the target ammunition; ε represents the angular velocity damping coefficient, P, of the target ammunition n Representing the first spin-up period.
7. A terminal device comprising a memory, a processor and a computer program stored in the memory and executable on the processor, characterized in that the processor implements the steps of the method according to any of claims 1 to 4 when executing the computer program.
8. A computer-readable storage medium, in which a computer program is stored which, when being executed by a processor, carries out the steps of the method according to any one of claims 1 to 4.
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