CN114608802B - Detection device and method for verifying recognition rate of contact rail pillar recognition module - Google Patents
Detection device and method for verifying recognition rate of contact rail pillar recognition module Download PDFInfo
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- CN114608802B CN114608802B CN202210242960.3A CN202210242960A CN114608802B CN 114608802 B CN114608802 B CN 114608802B CN 202210242960 A CN202210242960 A CN 202210242960A CN 114608802 B CN114608802 B CN 114608802B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/14—Measuring arrangements characterised by the use of optical techniques for measuring distance or clearance between spaced objects or spaced apertures
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06M—COUNTING MECHANISMS; COUNTING OF OBJECTS NOT OTHERWISE PROVIDED FOR
- G06M1/00—Design features of general application
- G06M1/27—Design features of general application for representing the result of count in the form of electric signals, e.g. by sensing markings on the counter drum
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Abstract
The invention discloses a detection device and a detection method for verifying the recognition rate of a contact rail pillar recognition module, and relates to the technical field of driving control and signal processing; the device comprises a simulation contact rail pillar module, a contact rail pillar identification module and a statistics module; the simulated contact rail strut module is used for simulating the occurrence of contact rail struts at different frequencies and comprises a driving control device and a simulated contact rail strut device; the contact rail pillar identifying module is used for identifying contact rail pillars; the statistics module is used for counting the recognition rate of the contact rail pillar recognition module; according to the invention, the contact rail pillar is simulated to appear according to a certain frequency through the simulated contact rail pillar module, so that the recognition function and recognition rate of the contact rail pillar recognition module are verified, different speed grades can be set according to the actual working speed of the device, the actual situation of the site is more suitable, the verification of algorithm precision before product delivery is increased, and the product delivery quality is ensured.
Description
Technical Field
The invention relates to the technical field of driving control and signal processing, in particular to a detection device and method for verifying the recognition rate of a contact rail pillar recognition module.
Background
At present, a checking device for the recognition rate of the contact rail pillar recognition module is not available, the produced contact rail pillar recognition module can only simply perform static verification of the contact rail pillar recognition function before delivery, the recognition rate cannot be verified, and the recognition rate of the contact rail pillar recognition module at different speeds cannot be verified, so that the pillar recognition rate cannot be verified when delivery verification is performed on the products, and the yield of the delivered products is low.
Disclosure of Invention
The invention aims at: aiming at the problem that the yield of products after delivery is lower because no inspection device aiming at the recognition rate of the contact rail pillar recognition module exists at present, the detection device and the detection method for verifying the recognition rate of the contact rail pillar recognition module are provided, and the simulation contact rail pillar appears according to a certain frequency, so that the recognition function and the recognition rate of the recognition module are verified, and the problem that the yield of the products after delivery is lower because no inspection device aiming at the recognition rate of the contact rail pillar recognition module exists at present is solved.
The technical scheme of the invention is as follows:
a detection device for verifying the recognition rate of a contact rail pillar recognition module, comprising:
a simulated contact rail strut module for simulating the occurrence of contact rail struts at different frequencies; the simulated contact rail strut module comprises a driving control device and a simulated contact rail strut device, wherein the driving control device is used for driving and controlling the motion of the simulated contact rail strut device;
the contact rail pillar identifying module is used for identifying the contact rail pillar;
and the statistics module is used for counting the recognition rate of the contact rail pillar recognition module.
Further, the simulated contact rail strut device comprises a fan blade; at least one blade for identification is arranged on the fan blade, and the fan blade can rotate at different speeds and is used for simulating the occurrence of contact rail struts at different frequencies; the statistics module comprises a counter; the counter is used for recording the rotation times of the fan blades.
Further, the drive control device comprises a motor and a motor control device; the motor is used for driving the fan blades to rotate, and the motor control device is used for driving and controlling the motor.
Further, the motor control device comprises a motor driver and a potentiometer; the motor driver is connected with the motor and used for driving and controlling the motor to rotate; the potentiometer is connected with the motor driver and used for adjusting the rotating speed of the motor.
Further, the counter is connected with the motor driver and is used for recording the rotation times of the motor.
Further, the integrated positioning plate is connected with the motor driver; the comprehensive positioning plate is used for sending pulses to the motor driver, controlling the rotation position of the motor and providing equidistant trigger signals for the contact rail pillar identification module.
Further, an interface for controlling and configuring parameters of the motor driver is connected to the motor driver.
Further, the mobile terminal is connected with the comprehensive positioning plate and the interface; the mobile terminal can send out instructions to the comprehensive positioning board, and can also control and configure parameters of the motor driver through an interface.
A method of verifying the identification rate of a contact rail post identification module, comprising the steps of:
step S1: installing a simulated contact rail strut device and a contact rail strut identification module;
step S2: the simulated contact rail strut device is moved by the drive control device;
step S3: the contact rail pillar identifying module identifies a simulated contact rail pillar device;
step S4: the statistics module is used for counting the recognition rate of the contact rail pillar recognition module;
step S5: and (3) changing the movement rate of the simulated contact rail pillar device through the driving control device, and repeating the step (S3) and the step (S4) to obtain the recognition rate of the contact rail pillar recognition module under different rates.
Further, the detailed steps of the step S1 are as follows: placing the contact rail pillar identifying module on one side of the fan blade, and ensuring that the contact rail pillar identifying module can identify the fan blade on the fan blade;
the detailed steps of the step S2 are as follows: the fan blades are rotated at a fixed speed through a motor and a motor control device;
the detailed steps of the step S3 are as follows: the contact rail pillar identifying module scans the fan blade for identification and records the identification times n;
the detailed steps of the step S4 are as follows: the counter outputs the rotation times N of the fan blades, and the identification rate is calculated according to the identification times N of the contact rail strut identification module and the rotation times N of the fan blades;
the detailed steps of the step S5 are as follows: and (3) changing the rotation rate of the fan blade through the motor control device, repeating the step (S3) and the step (S4), and calculating the recognition rate of the contact rail pillar recognition module at different rates.
Further, in step S3, when the contact rail pillar identifying module scans the fan blade for identification, signal filtering is performed, and the interference signal is filtered according to the duration of the waveform level.
Further, the calculation formula of the recognition rate in the step S5 is as follows:
wherein:
the recognition rate of the P-contact rail pillar recognition module;
the number of times of recognition of the n-contact rail pillar recognition module;
the number of blades on the x-blade;
the number of rotations of the N-blade.
Compared with the prior art, the invention has the beneficial effects that:
1. a detection device and method for verifying the recognition rate of a contact rail pillar recognition module comprises a simulation contact rail pillar module, a contact rail pillar recognition module and a statistics module; the simulated contact rail strut module is used for simulating the occurrence of contact rail struts at different frequencies and comprises a driving control device and a simulated contact rail strut device, wherein the driving control device is used for driving and controlling the movement of the simulated contact rail strut device; the contact rail pillar identifying module is used for identifying contact rail pillars; the statistics module is used for counting the recognition rate of the contact rail pillar recognition module; the simulation of the contact rail pillar module simulates the occurrence of the contact rail pillar according to a certain frequency, so that the recognition function and recognition rate of the contact rail pillar recognition module are verified, different speed grades can be set according to the actual working speed of the device, the actual situation of the site is more met, the verification of algorithm precision before product delivery is improved, and the delivery quality of the product is ensured.
2. The detection device and the method for verifying the recognition rate of the contact rail pillar recognition module can obtain the recognition rate of the contact rail pillar recognition module through calculation of the rotation times of the fan blades recorded by the counter and the recognition times of the contact rail pillar recognition module, and can verify the recognition rate of the contact rail pillar recognition module under different speeds by adjusting the rotation rate of the fan blades.
Drawings
FIG. 1 is a schematic diagram of a detection device for verifying the identification rate of a contact rail strut identification module;
FIG. 2 is a flow chart of a method of verifying a contact rail post identification module identification rate;
FIG. 3 is a schematic diagram of a contact rail post identification module;
FIG. 4 is a diagram showing a laser return waveform;
fig. 5 is a schematic diagram of filtering a laser ranging waveform.
Detailed Description
It is noted that relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The features and capabilities of the present invention are described in further detail below in connection with examples.
Example 1
At present, a checking device for the recognition rate of the contact rail pillar recognition module is not available, the produced contact rail pillar recognition module can only simply perform static verification of the contact rail pillar recognition function before delivery, the recognition rate cannot be verified, and the recognition rate of the contact rail pillar recognition module at different speeds cannot be verified, so that the pillar recognition rate cannot be verified when delivery verification is performed on the products, and the yield of the delivered products is low.
Based on the above-mentioned problems, the present embodiment provides a detection device and a method for verifying the recognition rate of a contact rail pillar recognition module, and the detection device simulates that the contact rail pillar appears according to a certain frequency, so as to verify the pillar recognition function and recognition rate.
Principle of contact rail pillar identification module:
as shown in fig. 3, the principle of the contact rail pillar identifying module is that the laser ranging sensor determines whether the contact rail pillar is identified by measuring the distance from the sensor to the pillar, and sends the identification result to the positioning system after detecting the data returned by the laser ranging sensor.
The detection device for verifying the recognition rate of the contact rail pillar recognition module provided in the present embodiment is applied to a three-rail pillar, please refer to fig. 1-5, and specifically includes: a simulated contact rail strut module for simulating the occurrence of contact rail struts at different frequencies; the simulated contact rail pillar module comprises a driving control device and a simulated contact rail pillar device, wherein the driving control device is used for driving and controlling the movement of the simulated contact rail pillar device, and the simulated contact rail pillar device is used for simulating a contact rail pillar; the driving control device can adjust and control the movement rate of the simulated contact rail strut device, so that the simulated contact rail strut appears at different frequencies;
the contact rail pillar identifying module is used for identifying the contact rail pillar; during detection, the contact rail pillar identifying module is placed at a position capable of accurately identifying the simulated contact rail pillar package;
and the statistics module is used for counting the recognition rate of the contact rail pillar recognition module.
In this embodiment, specifically, the simulated contact rail strut device includes a fan blade; at least one blade for identification is arranged on the fan blade, and the fan blade can rotate at different speeds and is used for simulating the occurrence of contact rail struts at different frequencies; a plurality of blades can be arranged on the fan blades according to actual conditions; the fan blade rotates, and the laser ranging sensor receives the returned data once to identify the fan blade once by the contact rail pillar identification module; the statistics module comprises a counter, wherein the counter is used for recording the rotation times of the fan blades, and then the recognition rate of the contact rail pillar recognition module can be obtained according to the rotation times of the fan blades, the number of the fan blades and the times recognized by the contact rail pillar recognition module.
Further, the drive control device comprises a motor and a motor control device; the motor is used for driving the fan blades to rotate, and the motor control device is used for driving and controlling the motor; in this embodiment, the fan blade is mounted on the motor, and the center of the fan blade is fixed on the output shaft of the motor, so as to ensure that the fan blade maintains a balanced state, and when in connection, the fan blade is ensured to be fixed reliably and safely; preferably, for convenience in controlling the rotation speed of the motor, the motor adopts a servo motor.
Further, the motor control device comprises a motor driver and a potentiometer; the motor driver is connected with the motor and used for driving and controlling the motor to rotate; the potentiometer is connected with the motor driver and is used for adjusting the rotating speed of the motor; the rotating speed of the motor can be adjusted by controlling the potentiometer; the counter is connected with the motor driver and is used for recording the rotation times of the motor; preferably, a counter with a digital display screen is selected, so that the recording is convenient; the motor is also connected with a motor driver through an encoder and is used for a counter to record the rotation times of the motor.
Further, the integrated positioning plate is connected with the motor driver; the comprehensive positioning plate is used for sending pulses to the motor driver, controlling the rotation position of the motor and providing equidistant triggering signals for the contact rail strut identification module; the motor driver is also connected with the comprehensive positioning plate through an encoder, and the comprehensive positioning plate is used for controlling the rotation position of the motor.
Further, an interface for controlling and configuring parameters of the motor driver is connected to the motor driver; the mobile terminal is connected with the comprehensive positioning plate and the interface; preferably, the mobile terminal selects a computer, and the computer sends out instructions to the comprehensive positioning plate, and can also control and configure parameters of a motor driver through an interface; preferably, the counter and the contact rail pillar identifying module can be connected with a computer, and the computer can directly calculate the identifying rate according to the rotation times of the fan blades, the number of the blades on the fan blades and the times identified by the contact rail pillar identifying module, so that manual calculation is not needed, and the operation is more convenient.
Based on the detection device for verifying the recognition rate of the contact rail pillar recognition module provided by the embodiment, the method for verifying the recognition rate of the contact rail pillar recognition module is provided, and specifically comprises the following steps:
step S1: installing a simulated contact rail strut device and a contact rail strut identification module; namely, the simulated contact rail pillar device and the contact rail pillar recognition module are placed according to actual conditions, so that the contact rail pillar recognition module can correctly recognize the simulated contact rail pillar device;
step S2: the simulated contact rail strut device is moved by the drive control device; causing the simulated contact rail strut to appear at a rate;
step S3: the contact rail pillar identifying module identifies a simulated contact rail pillar device;
step S4: the statistics module is used for counting the recognition rate of the contact rail pillar recognition module;
step S5: and (3) changing the movement rate of the simulated contact rail pillar device through the driving control device, and repeating the step (S3) and the step (S4) to obtain the recognition rate of the contact rail pillar recognition module under different rates.
In this embodiment, the detailed steps of the step S1 are as follows: placing the contact rail pillar identification module on one side of the fan blade; when placing, the laser ranging sensor in the contact rail pillar identifying module can be arranged on the blade of the fan blade, and the normal identification of the laser ranging sensor is ensured.
In this embodiment, the detailed steps of step S2 are as follows: controlling the fan blades to rotate at a certain speed; the motor can be adjusted to a specific speed through the potentiometer, and the motor can be adjusted to a specific speed through the computer.
In this embodiment, the detailed steps of the step S3 are as follows: the contact rail pillar identifying module scans the fan blade for identification and records the identification times n; as shown in fig. 4, the laser return waveform is a waveform diagram, and each time a fluctuation occurs, the identification is performed once.
In this embodiment, the detailed steps of step S4 are as follows: the counter outputs the rotation times N of the fan blades; the counter outputs the rotation times of the motor in real time, wherein the rotation times of the motor are equal to the rotation times of the fan blades; calculating the recognition rate according to the recognition times N of the contact rail strut recognition module and the rotation times N of the fan blades; specifically, the calculation formula of the recognition rate is as follows:
wherein:
the recognition rate of the P-contact rail pillar recognition module;
the number of times of recognition of the n-contact rail pillar recognition module;
the number of blades on the x-blade;
the number of rotations of the N-blade;
step S5: changing the rotation rate of the fan blade, repeating the steps S3-S5, and calculating the recognition rate of the contact rail pillar recognition module under different rates.
Example two
In the second embodiment, the same components are not described here, and fig. 5 is a schematic diagram of filtering a laser ranging waveform, wherein the laser ranging waveform has a certain interference signal, so in the step S3, when the contact rail pillar identifying module scans the fan blade for identification, signal filtering is performed, and the interference signal needs to be filtered according to the duration of the waveform level; so as to improve the accuracy of the calculated recognition rate.
Example III
The third embodiment provides a specific model and a connection mode of the detection device for verifying the recognition rate of the contact rail pillar recognition module in the first embodiment.
Model:
the blade of flabellum is two, is a straight line and arranges, the size of blade is: 700 x 160mm;
the motor adopts a motor servo motor, and the model is ECMA-C20604RS (400W);
the motor driver adopts a platform universal driver, and the model of the motor driver is ASD-B2-0421-B;
the counter adopts the model CA8;
the potentiometer adopts the model as follows: LA42DMQ-22 5K; preferably, 2 potentiometers are installed in total, one potentiometer is installed on the box body, a knob is required to be exposed outside the box body so as to be convenient to observe and operate, and the other potentiometer is installed inside the box body and does not need to be regulated (mainly used for limiting the highest rotating speed and the limit value of the analog input voltage of the motor driver);
the interface adopts an RS232 interface;
the model of the comprehensive positioning plate is as follows: RTRI-ZJBMZHDWXT-V1.1, it is supplied by AC220V to DC24V power supply, the power model used is: a weft insertion LRS-50-24 power supply; the power supply AC220V input line adopts 1 permanent precious aviation plug (other AC220V power supplies are internally branched by universal wiring terminals).
Preferably, the motor driver, the counter, the potentiometer, the interface, the integrated positioning plate and the AC220V to DC24V power supply are all arranged in the same control box.
The connection mode is as follows:
the motor is connected with the motor driver through a driving cable and an encoder cable; because the driving cables have larger interference, interfaces and cables of the driving cables are far away from other interfaces and cables as far as possible in a limited design space; 2 permanent precious aviation plugs are used in the cable input control box.
The driver is connected with the comprehensive positioning plate through an encoder cable.
The comprehensive positioning plate is connected with the computer through a network cable, the network cable adopts M12 aviation plug, and the model is as follows: VS-FSBPXS-OE-94F/0,5-1424135 (socket), plug type: SACC-MSX-8QO SH ETH SC0-1411043 (plug).
The computer is connected with the RS232 interface through a USB-to-RS 232 patch cord.
The motor driver is connected with the counter, the potentiometer and the RS232 interface through cables; the integrated locating plate is also connected with an AC 220V-DC 24V power supply through a cable.
The trigger output of the comprehensive positioning plate adopts 1 permanent navigation plug.
The motor driver needs to expose the display part and the operation part outside the box body in the control box so as to be convenient for observation and operation.
The foregoing examples merely represent specific embodiments of the present application, which are described in more detail and are not to be construed as limiting the scope of the present application. It should be noted that, for those skilled in the art, several variations and modifications can be made without departing from the technical solution of the present application, which fall within the protection scope of the present application.
Claims (11)
1. A detection device for verifying the recognition rate of a contact rail pillar recognition module, comprising:
a simulated contact rail strut module for simulating the occurrence of contact rail struts at different frequencies; the simulated contact rail strut module comprises a driving control device and a simulated contact rail strut device, wherein the driving control device is used for driving and controlling the motion of the simulated contact rail strut device;
the contact rail pillar identifying module is used for identifying the contact rail pillar;
the statistics module is used for counting the recognition rate of the contact rail pillar recognition module;
the simulated contact rail support device comprises a fan blade, wherein at least one blade for identification is arranged on the fan blade; the fan blades can rotate at different speeds and are used for simulating the occurrence of contact rail struts at different frequencies;
the statistics module comprises a counter; the counter is used for recording the rotation times of the fan blades.
2. The detecting device for verifying an identification rate of a contact rail pillar identification module according to claim 1, wherein the drive control device includes a motor and a motor control device; the motor is used for driving the fan blades to rotate, and the motor control device is used for driving and controlling the motor.
3. The detection device for verifying the recognition rate of the contact rail pillar recognition module according to claim 2, wherein:
the motor control device comprises a motor driver and a potentiometer;
the motor driver is connected with the motor and used for driving and controlling the motor to rotate;
the potentiometer is connected with the motor driver and used for adjusting the rotating speed of the motor.
4. A detection device for verifying the recognition rate of a contact rail pillar recognition module according to claim 3, wherein the counter is connected to a motor driver for recording the number of rotations of the motor.
5. The apparatus for detecting an identification rate of a contact rail pillar identification module according to claim 4, further comprising a comprehensive positioning plate connected to the motor driver; the comprehensive positioning plate is used for sending pulses to the motor driver, controlling the rotation position of the motor and providing equidistant trigger signals for the contact rail pillar identification module.
6. The apparatus of claim 5, wherein the motor driver is coupled with an interface for controlling and configuring parameters of the motor driver.
7. The detection device for verifying the recognition rate of the contact rail pillar recognition module according to claim 6, further comprising a mobile terminal, wherein the mobile terminal is connected with the integrated positioning board and the interface; the mobile terminal can send out instructions to the comprehensive positioning board, and can also control and configure parameters of the motor driver through an interface.
8. A method for verifying the identification rate of a contact rail pillar identification module using the detection apparatus according to any one of claims 1 to 7, comprising the steps of:
step S1: installing a simulated contact rail strut device and a contact rail strut identification module;
step S2: the simulated contact rail strut device is moved by the drive control device;
step S3: the contact rail pillar identifying module identifies a simulated contact rail pillar device;
step S4: the statistics module is used for counting the recognition rate of the contact rail pillar recognition module;
step S5: and (3) changing the movement rate of the simulated contact rail pillar device through the driving control device, and repeating the step (S3) and the step (S4) to obtain the recognition rate of the contact rail pillar recognition module under different rates.
9. A method of verifying a contact rail post identification module identification rate as defined in claim 8, wherein:
the detailed steps of the step S1 are as follows: placing the contact rail pillar identifying module on one side of the fan blade, and ensuring that the contact rail pillar identifying module can identify the fan blade on the fan blade;
the detailed steps of the step S2 are as follows: the fan blades are rotated at a fixed speed through a motor and a motor control device;
the detailed steps of the step S3 are as follows: the contact rail pillar recognition module scans the fan blade to recognize and records the recognition timesn；
The detailed steps of the step S4 are as follows: the counter outputs the rotation times of the fan bladeN，According to the recognition times of the contact rail pillar recognition modulenAnd the number of rotations of the fan bladeNCalculating the recognition rate;
the detailed steps of the step S5 are as follows: and (3) changing the rotation rate of the fan blade through the motor control device, repeating the step (S3) and the step (S4), and calculating the recognition rate of the contact rail pillar recognition module at different rates.
10. The method according to claim 9, wherein in the step S3, when the contact rail pillar identifying module scans the fan blade for identification, signal filtering is performed to filter the interference signal according to the duration of the waveform level.
11. The method for verifying the recognition rate of the contact rail pillar recognition module according to claim 9, wherein the recognition rate in the step S5 is calculated as follows:
wherein:
P-an identification rate of the contact rail pillar identification module;
n-number of identifications of the contact rail post identification module;
x-the number of blades on the fan blade;
N-the number of rotations of the fan blade.
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