CN112598832A - Gate detection method, device, equipment and storage medium - Google Patents
Gate detection method, device, equipment and storage medium Download PDFInfo
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Abstract
The invention discloses a gate detection method, a device, equipment and a storage medium, wherein a gate is arranged in a section where a vehicle can pass, the gate comprises a motor and a railing, and the method comprises the following steps: when the fact that the vehicle enters a detection area of the gate is detected, the gate is started; if the gate is started successfully, the motor is controlled to drive the handrail to perform lifting and falling actions; respectively recording graphs of the current of the motor and the angular acceleration of the motor in the process of lifting the motor-driven rail to fall, wherein the graphs represent the variation trend of the current and the angular acceleration in the process of releasing a vehicle by the gate; calculating a correlation between the current and the angular acceleration based on the graph; and comparing the association relation with a preset standard relation to predict the state of the gate for releasing the vehicle. The incidence relation between the current and the angular acceleration when the gate machine works is analyzed by combining the variation trend of the current and the angular acceleration, the difference between the incidence relation and the standard relation is compared, the abnormal working state of the gate machine can be detected in time, and the operation and maintenance efficiency is improved.
Description
Technical Field
The embodiment of the invention relates to an electronic detection technology, in particular to a gate detection method, a gate detection device, gate detection equipment and a storage medium.
Background
With the continuous development of intelligent, industrialized and informationized technologies, more and more gate devices are applied to urban rail transit, the data informatization degree in the gates is higher and higher, the data volume of the running state of the gate devices is larger and larger, the data structure type is more and more complex, and the manual maintenance of diversified data in the gates becomes more and more difficult.
At present, the manual operation and maintenance face the problems of low operation and maintenance efficiency and the like caused by difficult data fusion, large maintenance amount and uneven service level of maintenance personnel, and if various gate equipment in urban rail transit cannot be overhauled and maintained in time, the gate equipment is easily damaged, people flow and traffic flow cannot pass through the gate channel in time, and channel congestion is caused.
Disclosure of Invention
The invention provides a gate detection method, a gate detection device, gate detection equipment and a storage medium, and aims to solve the problems of difficulty in data fusion, large maintenance amount and low operation and maintenance efficiency when gates are overhauled manually.
In a first aspect, an embodiment of the present invention provides a gate detection method, where the gate is arranged in a section where vehicles can pass, the gate includes a motor and a handrail, the motor is used for driving the handrail to pass through the vehicles passing through the section, and the method includes:
starting the gate when a vehicle is detected to enter a detection area of the gate;
if the gate is successfully started, controlling the motor to drive the railing to perform lifting and falling actions;
respectively recording graphs of the current of the motor and the angular acceleration of the motor in the process that the motor drives the railing to lift and fall, wherein the graphs represent the variation trends of the current and the angular acceleration in the process that the gate releases the vehicle;
calculating a correlation between the current and the angular acceleration based on the graph;
and comparing the incidence relation with a preset standard relation to predict the state of the gate for releasing the vehicle.
In a second aspect, an embodiment of the present invention further provides a gate detection apparatus, where the gate is disposed in a section where vehicles can pass, the gate includes a motor and a handrail, the motor is used for driving the handrail to pass through the vehicles passing through the section, and the apparatus includes:
the starting module is used for starting the gate when a vehicle is detected to enter a detection area of the gate;
the control module is used for controlling the motor to drive the handrail to perform lifting and falling actions if the gate is started successfully;
the graph recording module is used for respectively recording a graph of the current of the motor and the angular acceleration of the motor in the process that the motor drives the railing to lift and fall, and the graph represents the variation trend of the current and the angular acceleration in the process that the gate releases the vehicle;
a relationship calculation module for calculating an association relationship between the current and the angular acceleration based on the graph;
and the state prediction module is used for comparing the incidence relation with a preset standard relation so as to predict the state of the gate for releasing the vehicle.
In a third aspect, an embodiment of the present invention further provides a computer device, where the computer device includes:
one or more processors;
a memory for storing one or more programs;
when executed by the one or more processors, cause the one or more processors to implement the gate detection method as described in the first aspect.
In a fourth aspect, an embodiment of the present invention further provides a computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements the gate detection method according to the first aspect.
According to the invention, when a vehicle is detected to enter a detection area of the gate, the gate is started; if the gate is successfully started, controlling the motor to drive the railing to perform lifting and falling actions; respectively recording graphs of the current of the motor and the angular acceleration of the motor in the process that the motor drives the railing to lift and fall, wherein the graphs represent the variation trends of the current and the angular acceleration in the process that the gate releases the vehicle; calculating a correlation between the current and the angular acceleration based on the graph; and comparing the incidence relation with a preset standard relation to predict the state of the gate for releasing the vehicle. The current and the angular acceleration of the gate in the working process are recorded in a chart mode, the data statistics mode is simpler and clearer, the change trend of the current and the angular acceleration in the process of lifting the motor-driven handrail to falling down can be observed more visually, the current and the angular acceleration are fused by observing the change trend of the current and the angular acceleration of the gate in different working states, the difficulty of data fusion is reduced, the operation and maintenance workload of diversified data of the gate is reduced, the incidence relation between the current and the angular acceleration can be indirectly obtained in the fusion process, the difference between the incidence relation and the standard relation is compared, the real-time monitoring of the working state of the gate can be realized, the abnormal state of the gate is autonomously reflected, the potential fault of the gate is timely found, manual intervention is not needed, and the operation and maintenance efficiency is improved.
Drawings
Fig. 1 is a flowchart of a gate detection method according to an embodiment of the present invention;
fig. 2 is a schematic diagram illustrating a current variation when a gate operates normally according to an embodiment of the present invention;
fig. 3 is a schematic diagram illustrating a variation of a rotation speed of a gate during normal operation according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a gate detection device according to a second embodiment of the present invention;
fig. 5 is a schematic structural diagram of a computer device according to a third embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
It should be noted that: in the description of the embodiments of the present invention, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not intended to indicate or imply relative importance.
Example one
Fig. 1 is a flowchart of a gate detection method according to an embodiment of the present invention, where the embodiment is applicable to a situation where a gate is maintained and repaired, the gate is disposed in a road section where vehicles can pass through, the gate includes a motor and a balustrade, the motor is used to drive the balustrade to pass through the vehicle in the road section, the method may be performed by a gate detection device, the gate detection device may be implemented by software and/or hardware, and may be configured in a computer device, such as a controller, a server, a workstation, a personal computer, and the like, and the method specifically includes the following steps:
s101, when the fact that the vehicle enters a detection area of the gate is detected, the gate is started.
In this embodiment, the floodgate machine can lay in the toll booth in highway section, can also be provided with ground induction coil in the toll booth, the camera, millimeter wave radar, ground induction coil can install in the toll booth be used for detecting the current detection area of vehicle, ground induction coil can respond to the vehicle that gets into in the detection area, and feed back the induction result to the main control system in the toll booth, the camera can be used to the vehicle that gets into in the detection area and take the photo, the license plate information of record vehicle, millimeter wave radar can be used to detect the distance between vehicle and the floodgate machine that gets into in the detection area, and feed back this distance to the main control system, and then decide the start opportunity of floodgate machine.
In this embodiment, when the ground sensing coil detects that the vehicle enters the detection area of the gate, the ground sensing coil feeds back the detection information to the control host, the control host invokes the millimeter wave radar to detect the distance between the vehicle and the gate, and when the distance reaches a preset threshold, the control host sends a start instruction to the gate to start the gate.
S102, if the gate is started successfully, the motor is controlled to drive the handrail to lift and fall.
In this embodiment, if the gate is started successfully, whether the passing vehicle is paid successfully is judged, if so, the control host sends a passing permission instruction to the gate, and after the gate receives the passing permission instruction, the motor is controlled to drive the rail to lift up, the vehicle is released, and after the vehicle passes through the channel where the gate is located successfully, the gate controls the motor to drive the rail to drop down.
S103, recording graphs of the current of the motor and the angular acceleration of the motor in the process of lifting the motor-driven rail to fall respectively.
Wherein, the chart represents the change trend of current and angular acceleration in the process of the floodgate machine releasing the vehicle.
In this embodiment, the time period used by the motor to drive the balustrade from being raised to being lowered can be determined; recording a first chart showing the current change trend of the motor in a time period, wherein the first chart is used as a chart of the current of the motor in the process of lifting the motor-driven rail to fall; and recording a second chart showing the change trend of the angular acceleration of the motor in a time period, wherein the second chart is used as a chart of the angular acceleration of the motor in the process of driving the railing to lift from the lifting state to the falling state. This embodiment is not limited to this.
In one example of this embodiment, a first point in time may be sampled over a time period; detecting the current of the motor at each first time point; and drawing a first graph of the current variation trend of the motor by taking the first time point as a horizontal axis and the current as a vertical axis, wherein the first graph is used as the graph of the current of the motor in the process of driving the rail to lift from the lifting position to the falling position. For example, as shown in fig. 2, the horizontal axis represents the time period from the lifting to the falling of the motor-driven handrail in milliseconds (ms), the vertical axis represents the current variation value of the motor in milliamperes (ma), and the variation curve in the graph represents the current variation trend for controlling the motor-driven handrail to operate when the gate is in normal operation.
In another example of this embodiment, the sampling of the second point in time may be performed on a time segment; detecting the rotating speed of the motor at each second time point; and taking the second time point as a horizontal axis and the rotating speed as a vertical axis, taking the ratio of the rotating speed to the time point corresponding to the rotating speed as the angular acceleration of the motor rotation, drawing a second chart for expressing the variation trend of the angular acceleration of the motor, and taking the second chart as the chart of the angular acceleration of the motor rotation in the process of driving the handrail to lift from the lifting state to the falling state by the motor. For example, as shown in fig. 3, the horizontal axis represents a time period used in the process of lifting the motor-driven handrail from the top to the bottom, and the vertical axis represents a change value of the rotation speed of the motor in units of milliseconds (ms), and the vertical axis represents a change value of the rotation speed of the motor in units of revolutions per minute (rpm), and since the angular acceleration is equal to a ratio of the angular speed to the time and the angular speed is equal to a product of 2 pi and the rotation speed, a change trend of the angular acceleration can be analyzed from a change trend of the ratio of the rotation speed to the time, that is, a slope of a curve in the graph represents a change trend of the angular acceleration for controlling.
And S104, calculating the correlation between the current and the angular acceleration based on the graph.
The graph comprises a first graph and a second graph, the first graph records the current variation trend of the gate in the working state and in the process of the action of the motor-driven railing, the second graph records the angular acceleration variation trend of the gate in the working state and in the process of the action of the motor-driven railing, and the influence of the current of the motor on the angular acceleration when the gate is in the normal working state or the abnormal working state can be observed more intuitively by analyzing the numerical value variation of a longitudinal axis and the slope variation of a curve in the graph.
In this embodiment, the current in the first graph and the angular acceleration in the second graph may be matched according to a third time point in a time period, a one-to-one correspondence relationship between the current and the angular acceleration at the third time point is established, and if the matching is successful, the current and the angular acceleration are fused to obtain an association relationship between the current and the angular acceleration.
In a specific implementation manner of this embodiment, there are many ways to fuse the current and the angular acceleration, and this embodiment does not limit this.
For example, a function expression between the current and the angular acceleration may be established, and a proportional relationship between the current and the time change and a proportional relationship between the angular acceleration and the time change are respectively substituted into the function expression, so as to analyze a complex function relationship between the current and the angular acceleration, and further correlate a change of the angular acceleration with a change of the current in a working state of the motor, thereby obtaining a correlation relationship between the current and the angular acceleration. For another example, the correlation between the current and the angular acceleration may be indirectly constructed according to various operating parameters in the motor, such as voltage, power, torque, rotor inertia, and the like, according to the physical relationship between the current and the operating parameters, and the physical relationship between the angular acceleration and the operating parameters. In this embodiment, as long as the expressions of various functions or formulas for fusing the current and the angular acceleration are determined, the current and the angular acceleration in the gate can be automatically fused based on the expressions as templates, so that the steps of data processing can be reduced, the difficulty of data fusion is reduced, and the workload of operation and maintenance is reduced.
In one example of this embodiment, the rotor inertia of the motor may be queried; detecting the voltage when the motor drives the handrail to lift and fall; calculating the product of the voltage and the current to obtain the power of the motor; combining the power and the rotating speed to obtain the torque of the motor driving the handrail to rotate; and fusing the current and the angular acceleration based on a ratio expression between the moment and the rotor inertia to obtain an incidence relation between the current and the angular acceleration.
In order to make it clear for a person skilled in the art how to construct the relationship between the current and the angular acceleration, the present example is further described herein.
Assume the specific parameters of the gate are as follows: β represents the angular acceleration of the gate; p represents the power of the gate; t represents the moment of the gate; j represents the rotor inertia of the gate; n represents the rotating speed of the gate; i represents the current of the gate; u represents the voltage of the gate; t represents the time when the gate is turned on; w represents the angular velocity of the gate; the parameters of t, I, N, U and the like can be detected by a sensor arranged on the gate; j is the default parameter for the motor installed in the brake.
The default factory formula of the motor in the known brake is shown as formulas 1 and 2:
t ═ J × β - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -;
p ═ T × N/9550- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -;
the following is given by equation 1: β ═ T/J- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -formula 3;
from equation 2, it follows: t is P9550/N — formula 4;
from equations 3 and 4, it can be derived that:
β ═ P9550/(J × N) - - - - - - - - - - - - - - - - - -formula 5;
since axiom formulas are known: p ═ U × I — formula 6;
from equations 5 and 6, it can be derived:
β ═ U × I9550/(J × N) - - - - - - - - - - - - - -formula 7;
since axiom formulas are known:
β ═ W/t- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -;
w ═ N × 2 pi- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -;
the following equations 8 and 9 show: n ═ β × t/2 pi — formula 10;
the following equations 7 and 10 show:
β2u × I9550 × 2 pi/(J × t) - - - - - - - - - -, formula 11;
the following expression is obtained by converting equation 11:
U*9550*2π/(J*t)＝β2i- -equation 12.
Wherein the two parameters of 9550 and 2 pi are constants; the inertia of the J gate machine rotor is a constant according to the model of a motor installed in the gate machine and a default value when the J gate machine leaves a factory; the gate supply voltage U is a fixed value; the t time can be considered as the time point when the gate operates in a certain state, the t time value of the gate operation can be measured through an instrument, and the maximum value of the t time value can be considered as the total time t required by the gate in the process from starting to finishing one-time driving of lifting the handrail to falling1I.e. the time range of t can be expressed as 0-t1Then t can also be considered a time constant.
The correlation between angular acceleration and current can be represented by a symbol V, and equation 12 can be expressed as: v ═ U × 9550 × 2 pi/J.
I.e. V ═ β2t/I, therefore, V can be considered as a common constant coefficient of operation for the gate.
From the formula V ═ beta2t/I can give: if V is a constant coefficient of the gate during normal operation, it indicates that the angular acceleration of the motor in the gate is positively correlated with the current, i.e. the angular acceleration changes positively and the current also changes positively, the angular acceleration increases and the current increases; when the gate is in an abnormal condition, the change of the current can affect the angular acceleration of the gate, and further affect the opening speed of the gate, for example, an abnormal state that the gate control rail is half lifted and then is stuck.
And S105, comparing the association relation with a preset standard relation to predict the state of the gate for releasing the vehicle.
In this embodiment, the preset standard relationship may be obtained by monitoring the operating state of the gate in real time, recording data such as angular acceleration and current of the gate in a normal operating state into a graph, and analyzing a variation trend of the angular acceleration and the current in the graph, so as to analyze an association relationship between the angular acceleration and the current, which is used as the standard relationship.
For example, in S104, β is set according to the formula V2t/I, if V is a constant coefficient when the gate operates normally,the formula V may be defined as β2The angular acceleration and current positive correlation shown in the t/I is used as a preset standard relation, the angular acceleration and current correlation in the daily working state of the gate is obtained through the steps in S101-S104, and the correlation is compared with the preset standard relation, so that whether the current working state of the gate is stable, whether the current change is abnormal and whether the angular acceleration change is abnormal can be detected, and the state of the gate for releasing the vehicle can be predicted.
As an example, if it is determined that the preset standard relationship is a positive angular acceleration and current relationship, whether the angular acceleration and the current in the relationship are positively correlated is detected, if so, the gate is in a normal state, and if not, the gate is in a fault state.
According to the embodiment of the invention, when the vehicle is detected to enter the detection area of the gate, the gate is started; if the gate is started successfully, the motor is controlled to drive the handrail to perform lifting and falling actions; respectively recording graphs of the current of the motor and the angular acceleration of the motor in the process of lifting the motor-driven rail to fall, wherein the graphs represent the variation trend of the current and the angular acceleration in the process of releasing a vehicle by the gate; calculating a correlation between the current and the angular acceleration based on the graph; and comparing the association relation with a preset standard relation to predict the state of the gate for releasing the vehicle. The current and the angular acceleration of the gate in the working process are recorded in a chart mode, the data statistics mode is simpler and clearer, the change trend of the current and the angular acceleration in the process of lifting the motor-driven handrail to falling down can be observed more visually, the current and the angular acceleration are fused by observing the change trend of the current and the angular acceleration of the gate in different working states, the difficulty of data fusion is reduced, the operation and maintenance workload of diversified data of the gate is reduced, the incidence relation between the current and the angular acceleration can be indirectly obtained in the fusion process, the difference between the incidence relation and the standard relation is compared, the real-time monitoring of the working state of the gate can be realized, the abnormal state of the gate is autonomously reflected, the potential fault of the gate is timely found, manual intervention is not needed, and the operation and maintenance efficiency is improved.
Example two
Fig. 4 is a schematic structural diagram of a gate detection device provided in a second embodiment of the present invention, the gate being disposed in a section where vehicles can pass, the gate including a motor and a balustrade, the motor being configured to drive the balustrade to pass through the vehicles passing through the section, and the device may specifically include the following modules:
the starting module 401 is used for starting the gate when a vehicle is detected to enter a detection area of the gate;
the control module 402 is configured to control the motor to drive the rail to perform lifting and dropping actions if the gate is successfully started;
a graph recording module 403, configured to record a graph of a current of the motor and an angular acceleration of the motor during a process in which the motor drives the balustrade to lift and fall respectively, where the graph represents a variation trend of the current and the angular acceleration during a process in which the gate releases the vehicle;
a relationship calculation module 404 for calculating a correlation between the current and the angular acceleration based on the graph;
and a state prediction module 405, configured to compare the association relationship with a preset standard relationship, so as to predict a state of the gate releasing the vehicle.
In one embodiment of the present invention, the chart recording module 403 includes:
the time period determination submodule is used for determining the time period used in the process of driving the handrail to fall from the lifting process by the motor;
the first chart recording submodule is used for recording a first chart showing the current variation trend of the motor in the time period, and the first chart is used as a chart of the current of the motor in the process that the motor drives the railing to lift and fall;
and the second chart recording submodule is used for recording a second chart showing the change trend of the angular acceleration of the motor in the time period, and the second chart is used as a chart of the angular acceleration of the motor in the process of driving the railing to lift and fall from the rail.
In one embodiment of the present invention, the first chart recording sub-module includes:
the first sampling unit is used for sampling a first time point of the time period;
a first current detection unit for detecting a current of the motor at each of the first time points;
the first graph determining unit is used for drawing a first graph of the current change trend of the motor by taking the first time point as a horizontal axis and the current as a vertical axis, and the first graph is used as a graph of the current of the motor in the process of driving the handrail to fall from the lifting process by the motor.
In one embodiment of the present invention, the second chart recording sub-module includes:
the second sampling unit is used for sampling a second time point of the time period;
the second current detection unit is used for detecting the rotating speed of the motor at each second time point;
and the second chart determining unit is used for drawing a second chart representing the change trend of the angular acceleration of the motor by taking the second time point as a horizontal axis and the rotating speed as a vertical axis and taking the ratio of the rotating speed to the time point corresponding to the rotating speed as the angular acceleration of the motor, and the second chart is used as a chart of the angular acceleration of the motor in the process that the motor drives the handrail to fall from the lifting process.
In one embodiment of the present invention, the relationship calculation module 404 includes:
the data matching submodule is used for matching the current in the first graph with the angular acceleration in the second graph according to a third time point in the time period, and if the matching is successful, the data fusion submodule is called;
and the data fusion submodule is used for fusing the current and the angular acceleration to obtain the incidence relation between the current and the angular acceleration.
In one embodiment of the invention, the data fusion sub-module comprises:
the rotor inertia query unit is used for querying the rotor inertia of the motor;
the voltage detection unit is used for detecting the voltage when the motor drives the handrail to perform the actions of lifting and falling;
the power calculation unit is used for calculating the product of the voltage and the current to obtain the power of the motor;
the torque calculation unit is used for combining the power and the rotating speed of the motor to obtain the torque of the motor for driving the handrail to rotate;
and the incidence relation confirming unit is used for fusing the current and the angular acceleration based on a ratio expression between the moment and the rotor inertia to obtain the incidence relation between the current and the angular acceleration.
In one embodiment of the present invention, the state prediction module 405 comprises:
the relation comparison submodule is used for comparing the incidence relation with a preset standard relation, and if the preset standard relation is determined to be the positive correlation between the angular acceleration and the current, the positive correlation detection submodule is called;
a positive correlation detection submodule for detecting whether the angular acceleration and the current in the correlation are positively correlated, if so, calling a normal state confirmation submodule, and if not, calling a fault state confirmation submodule;
the normal state confirmation submodule is used for indicating that the gate is in a normal state;
and the fault state confirmation submodule is used for indicating that the gate is in a fault state.
The gate detection device provided by the embodiment of the invention can execute the gate detection method provided by any embodiment of the invention, and has the corresponding functional modules and beneficial effects of the execution method.
EXAMPLE III
Fig. 5 is a schematic structural diagram of a computer apparatus according to a third embodiment of the present invention, as shown in fig. 5, the computer apparatus includes a processor 500, a memory 501, a communication module 502, an input device 503, and an output device 504; the number of the processors 500 in the computer device may be one or more, and one processor 500 is taken as an example in fig. 5; the processor 500, the memory 501, the communication module 502, the input device 503 and the output device 504 in the computer apparatus may be connected by a bus or other means, and fig. 5 illustrates the connection by a bus as an example.
The memory 501, which is a computer-readable storage medium, may be used to store software programs, computer-executable programs, and modules, such as the modules corresponding to the gate detection method in the embodiment of the present invention (for example, the starting module 401, the control module 402, the graph recording module 403, the relation calculation module 404, and the state prediction module 405 in the gate detection apparatus shown in fig. 4). The processor 500 executes various functional applications and data processing of the computer device by executing software programs, instructions and modules stored in the memory 501, so as to implement the above-mentioned gate detection method.
The memory 501 may mainly include a program storage area and a data storage area, wherein the program storage area may store an operating system, an application program required for at least one function; the storage data area may store data created according to the use of the terminal, and the like. Further, the memory 501 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other non-volatile solid state storage device. In some examples, the memory 501 may further include memory located remotely from the processor 500, which may be connected to a computer device through a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
And the communication module 502 is used for establishing connection with the display screen and realizing data interaction with the display screen.
The input device 503 may be used to receive input numeric or character information and generate key signal inputs related to user settings and function control of the computer apparatus.
The output device 504 may include a display device such as a display screen.
The specific composition of the input device 503 and the output device 504 can be set according to actual conditions.
The computer device provided by the embodiment of the invention can execute the gate detection method provided by any embodiment of the invention, and has corresponding functions and beneficial effects.
Example four
The fourth embodiment of the present invention further provides a computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements the gate detection method of any one of the above embodiments.
The gate is arranged in a section where vehicles can pass, the gate comprises a motor and a railing, the motor is used for driving the railing to pass through the vehicles passing in the section, and the gate detection method comprises the following steps:
starting the gate when a vehicle is detected to enter a detection area of the gate;
if the gate is successfully started, controlling the motor to drive the railing to perform lifting and falling actions;
respectively recording graphs of the current of the motor and the angular acceleration of the motor in the process that the motor drives the railing to lift and fall, wherein the graphs represent the variation trends of the current and the angular acceleration in the process that the gate releases the vehicle;
calculating a correlation between the current and the angular acceleration based on the graph;
and comparing the incidence relation with a preset standard relation to predict the state of the gate for releasing the vehicle.
Of course, the computer program of the computer-readable storage medium provided by the embodiments of the present invention is not limited to the method operations described above, and may also perform related operations in the gate detection method provided by any embodiments of the present invention.
From the above description of the embodiments, it is obvious for those skilled in the art that the present invention can be implemented by software and necessary general hardware, and certainly, can also be implemented by hardware, but the former is a better embodiment in many cases. Based on such understanding, the technical solutions of the present invention may be embodied in the form of a software product, which can be stored in a computer-readable storage medium, such as a floppy disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a FLASH Memory (FLASH), a hard disk or an optical disk of a computer, and includes several instructions for enabling a computer device (which may be a personal computer, a server, or a network device) to execute the methods according to the embodiments of the present invention.
It should be noted that, in the embodiment of the gate detection apparatus, the included units and modules are only divided according to functional logic, but are not limited to the above division, as long as the corresponding functions can be implemented; in addition, specific names of the functional units are only for convenience of distinguishing from each other, and are not used for limiting the protection scope of the present invention.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (10)
1. A gate detection method, the gate being arranged in a section where vehicles can pass, the gate including a motor for driving a balustrade to pass a vehicle passing in the section, the method comprising:
starting the gate when a vehicle is detected to enter a detection area of the gate;
if the gate is successfully started, controlling the motor to drive the railing to perform lifting and falling actions;
respectively recording graphs of the current of the motor and the angular acceleration of the motor in the process that the motor drives the railing to lift and fall, wherein the graphs represent the variation trends of the current and the angular acceleration in the process that the gate releases the vehicle;
calculating a correlation between the current and the angular acceleration based on the graph;
and comparing the incidence relation with a preset standard relation to predict the state of the gate for releasing the vehicle.
2. The method of claim 1, wherein said recording of a graph of current of said motor and angular acceleration of rotation of said motor during the motor driving said balustrade from being raised to being lowered, respectively, comprises:
determining the time period used by the motor to drive the handrail from being lifted to falling;
recording a first chart showing the current change trend of the motor in the time period, wherein the first chart is used as a chart of the current of the motor in the process of driving the handrail to fall from the lifting process by the motor;
and recording a second chart showing the change trend of the angular acceleration of the motor in the time period, wherein the second chart is used as a chart of the angular acceleration of the motor in the process of driving the railing to lift and fall.
3. The method of claim 2, wherein said recording a first graph showing a trend of a current of said motor over said period of time as a graph of a current of said motor during a period of time from when said motor drives said balustrade to raise to fall comprises:
sampling the time period at a first time point;
detecting the current of the motor at each first time point;
and drawing a first chart of the current variation trend of the motor by taking the first time point as a horizontal axis and the current as a vertical axis, wherein the first chart is used as a chart of the current of the motor in the process that the motor drives the handrail to lift and fall.
4. The method of claim 2, wherein said recording a second graph showing the trend of the angular acceleration of the motor over the period of time as a graph of the angular acceleration of the motor rotation during the motor driving the balustrade from being raised to being lowered comprises:
sampling the time period at a second time point;
detecting the rotating speed of the motor at each second time point;
and drawing a second chart showing the change trend of the angular acceleration of the motor by taking the second time point as a horizontal axis and the rotating speed as a vertical axis and taking the ratio of the rotating speed to the time point corresponding to the rotating speed as the angular acceleration of the motor rotation, wherein the second chart is taken as the chart of the angular acceleration of the motor rotation in the process that the motor drives the handrail to lift and fall.
5. The method according to any one of claims 2-4, wherein said calculating a correlation between said current and said angular acceleration based on said graph comprises:
matching the current in the first graph with the angular acceleration in the second graph at a third point in time within the time period;
and if the matching is successful, fusing the current and the angular acceleration to obtain the incidence relation between the current and the angular acceleration.
6. The method of claim 5, wherein said fusing the current with the angular acceleration to obtain the correlation between the current and the angular acceleration comprises:
inquiring the rotor inertia of the motor;
detecting the voltage when the motor drives the handrail to lift and fall;
calculating the product of the voltage and the current to obtain the power of the motor;
combining the power and the rotating speed of the motor to obtain the torque of the motor for driving the railing to rotate;
and fusing the current and the angular acceleration based on a ratio expression between the moment and the rotor inertia to obtain an incidence relation between the current and the angular acceleration.
7. The method according to claim 1, 2, 3, 4 or 6, wherein the comparing the correlation relationship with a preset standard relationship to predict the current operating state of the gate comprises:
if the preset standard relationship is determined to be the positive correlation between the angular acceleration and the current, whether the angular acceleration and the current in the correlation relationship are in the positive correlation or not is detected, if so, the gate is in a normal state, and if not, the gate is in a fault state.
8. A gate detection apparatus, the gate being arranged in a section where vehicles can pass, the gate including a motor for driving a handrail to pass vehicles passing in the section, the apparatus comprising:
the starting module is used for starting the gate when a vehicle is detected to enter a detection area of the gate;
the control module is used for controlling the motor to drive the handrail to perform lifting and falling actions if the gate is started successfully;
the graph recording module is used for respectively recording a graph of the current of the motor and the angular acceleration of the motor in the process that the motor drives the railing to lift and fall, and the graph represents the variation trend of the current and the angular acceleration in the process that the gate releases the vehicle;
a relationship calculation module for calculating an association relationship between the current and the angular acceleration based on the graph;
and the state prediction module is used for comparing the incidence relation with a preset standard relation so as to predict the state of the gate for releasing the vehicle.
9. A computer device, characterized in that the computer device comprises:
one or more processors;
a memory for storing one or more programs,
when executed by the one or more processors, cause the one or more processors to implement the gate detection method of any of claims 1-7.
10. A computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out a gate detection method according to any one of claims 1 to 7.
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