Adjustment device and method based on displacement information of polarizer production

Abstract

The invention discloses an adjustment device and method based on displacement information of polarizer production, belonging to the field of displacement information processing technology, which obtains a recent displacement information group and a past displacement information group; obtains the total axial thermal displacement of the gantry of each polarizer conveying station on each day; obtains the past displacement principle index of the gantry of each polarizer conveying station; obtains the past displacement average of the gantry of each polarizer conveying station; combines the past displacement principle index and the past displacement average of the gantry of each polarizer conveying station to obtain the past displacement criterion parameter of the gantry of each polarizer conveying station; obtains the recent stable reference parameter of the gantry of each polarizer conveying station; obtains the displacement outlier parameter of the gantry of each polarizer conveying station; and achieves outlier detection within the axial thermal displacement value according to the displacement outlier parameter of the gantry of each polarizer conveying station, so that the outlier point detection conclusion obtained thereby is accurate and has good function.

Description

Technical Field

[0001] The present invention belongs to the technical field of displacement information processing, and in particular relates to a device and method for adjusting displacement information based on polarizer production. Background Art

[0002] The full name of polarizer is polarizing film. The imaging of LCD must rely on polarized light. All LCDs have two polarizers in front and behind that are tightly attached to the LCD glass, forming a total thickness of about 1mm. If any polarizer is missing, the LCD cannot display images. 3D glasses use this principle.

[0003] In the production of polarizers, the current processing of displacement information of polarizer production often uses the existing technical solution with patent publication number "CN204604017U" to process the displacement information of polarizer production, which mainly includes a displacement transmitter, a device controller and a servo controller connected in sequence and arranged on the gantry of the polarizer conveying table. The displacement transmitter is used to sample the axial thermal displacement value of the gantry of the polarizer conveying table and transmit it to the device controller. The device controller is used to calculate the compensation amount based on the collected axial thermal displacement value of the gantry of the polarizer conveying table and transmit it to the servo controller. The servo controller is used to achieve compensation for the axial thermal displacement of the cutting mechanism based on the collected compensation amount.

[0004] The axial thermal displacement values ​​of the gantry of the polarizer conveyor sent to the device controller often have outliers, so it is necessary to detect the outliers of the axial thermal displacement values ​​of the gantry of the polarizer conveyor. During the detection, the axial thermal displacement values ​​are often detected by defining an upper limit value to screen out the axial thermal displacement values ​​of the gantry of the polarizer conveyor that are not in compliance with the regulations. However, under specific conditions, in addition to the outliers in the axial thermal displacement values ​​caused by the gantry operation failure of the polarizer conveyor or the displacement transmitter operation failure, there are also outliers in the axial thermal displacement values ​​of the gantry of the polarizer conveyor sent to the device controller caused by external electromagnetic interference, which causes the outliers detected in the axial thermal displacement values ​​of the gantry of the polarizer conveyor to be misidentified, making the function of detecting the outliers of the axial thermal displacement values ​​of the gantry of the polarizer conveyor poor. Summary of the invention

[0005] In order to solve the defects in the prior art, the present invention proposes an adjustment device and method based on the displacement information of polarizer production, obtaining the latest displacement information group and the past displacement information group; obtaining the total value of the axial thermal displacement of the gantry of each polarizer conveying station on each day; obtaining the past displacement principle index of the gantry of each polarizer conveying station; obtaining the past displacement average of the gantry of each polarizer conveying station; combining the past displacement principle index of the gantry of each polarizer conveying station with the past displacement average, and obtaining the past displacement principle index of the gantry of each polarizer conveying station The method comprises the following steps: obtaining the most recent stable reference parameters of the gantry of each polarizer conveyor station; combining the displacement change of the gantry of each polarizer conveyor station with the most recent stable reference parameters of the gantry of each polarizer conveyor station and the difference between the most recent displacement reference parameters of the gantry of each polarizer conveyor station and the gantry of each polarizer conveyor station, and obtaining the displacement outlier parameters of the gantry of each polarizer conveyor station; realizing outlier detection within the axial thermal displacement value according to the displacement outlier parameters of the gantry of each polarizer conveyor station, and the outlier detection conclusion obtained thereby is accurate and has good performance.

[0006] The present invention uses the following technical solutions.

[0007] A method for adjusting displacement information based on polarizer production, comprising:

[0008] The displacement transmitter samples the axial thermal displacement value of the gantry of the polarizer conveyor and transmits it to the device controller. The device controller calculates the compensation value based on the collected axial thermal displacement value of the gantry of the polarizer conveyor and transmits it to the servo controller. The servo controller achieves compensation for the axial thermal displacement of the cutting mechanism based on the collected compensation value. The SD card stores the axial thermal displacement value of the gantry of the polarizer conveyor transmitted to the device controller.

[0009] The adjustment method based on the displacement information of polarizer production also includes:

[0010] Step 1: Obtain the most recent displacement information group and the past displacement information group; obtain the total axial thermal displacement value of the gantry of each polarizer conveyor station on each day;

[0011] Step 2: Obtain the past displacement principle index of the gantry of each polarizer conveying station; obtain the past displacement average of the gantry of each polarizer conveying station; combine the past displacement principle index and the past displacement average of the gantry of each polarizer conveying station to obtain the past displacement standard parameter of the gantry of each polarizer conveying station;

[0012] Step 3: Obtain the most recent stable reference parameter of the gantry of each polarizer conveying station; combine the displacement change of the gantry of each polarizer conveying station with the most recent stable reference parameter of the gantry of each polarizer conveying station and the difference of the past displacement standard parameter of the gantry of each polarizer conveying station to obtain the displacement outlier parameter of the gantry of each polarizer conveying station;

[0013] Step 4: Detect outliers within the axial thermal displacement value based on the displacement outlier parameters of the gantry of each polarizer transfer station.

[0014] Furthermore, the predefined reference period is the defined past ninety days, and the sampling period is the most recent seven days.

[0015] Further, in Step 1, the process from one starting movement to one stopping movement of the gantry of the polarizer conveying station is defined as one displacement, and the displacement amount and displacement time of each displacement of the gantry of each polarizer conveying station sampled and transmitted in the sampling period are obtained through the displacement transmitter; the displacement amount and displacement time of each displacement of the gantry of each polarizer conveying station in the sampling period form a recent displacement information group; then the displacement amount and displacement time of each displacement of the gantry of each polarizer conveying station in the reference period are obtained, and the displacement amount and displacement time of each displacement of the gantry of each polarizer conveying station in the reference period form a past displacement information group; the frequency of displacement of the gantry of each polarizer conveying station in one day is defined as the displacement frequency of the gantry of each polarizer conveying station on each day, and the total measurement of all displacement amounts of the gantry of each polarizer conveying station on each day is defined as the total value of axial thermal displacement of the gantry of each polarizer conveying station on each day.

[0016] Further, Step 2 specifically includes: using a predefined number of groups to apply agglomeration to group the displacements of the gantry of each polarizer conveyor in the previous displacement information group, and obtaining multiple groups of the gantry of each polarizer conveyor; facing the first The gantry of the polarizer transfer station The number of displacements of each group of the gantry of the polarizer transfer station is divided by the The quotient of the displacement of all groups of the gantry of the polarizer transfer station is used as the quotient to obtain the The KL divergence of the displacement of the gantry of the polarizer transfer table is The probability of each grouping of the gantry of the polarizer conveyor is obtained based on the KL divergence of the displacement of the gantry of the polarizer transfer table.

[0017] Furthermore, Step 2 specifically includes: The principle index of the displacement of the gantry of the polarizer transfer station The operational equation is:

[0018] ;

[0019] In the equation: Representative The KL divergence of the displacement of the gantry of the polarizer transfer station, Represents the number of previous displacement information groups The standard deviation of the displacement time of the gantry of the polarizer transfer station at all frequencies; Represents the Euler number.

[0020] Furthermore, Step 2 specifically includes: The average displacement of the gantry of the polarizer transfer station in the past The operational equation is:

[0021] ;

[0022] In the equation: The number of groups representing the grouping, Represents the number of previous displacement information groups The first gantry of the polarizer transfer station The number of displacements within a group, Representative The first gantry of the polarizer transfer station The mean displacement within each group; Represents the Euler number.

[0023] Furthermore, Step 2 specifically includes: The past displacement index of the gantry of the polarizer transfer station is divided by the The quotient of the average displacement of the gantry of the polarizer transfer station is defined as The standard parameters of the past displacement of the gantry of each polarizer conveying station are obtained.

[0024] Furthermore, Step 3 specifically includes: The nearest stable reference parameters of the gantry of the polarizer transfer station The operational equation is:

[0025] ;

[0026] In the equation: represents the size of the sampling period, Represents the number of All the gantry frames of the polarizer transfer stations except the gantry frame of the first polarizer transfer station are The standard deviation of the total daily axial thermal displacement, Represents the number of All the gantry frames of the polarizer transfer stations except the gantry frame of the first polarizer transfer station are The average of the total daily axial thermal displacement; Represents the Euler number.

[0027] Furthermore, Step 3 specifically includes: taking the average of the displacements of all frequencies of the gantry of each polarizer transfer station in the most recent displacement information group minus the average of the displacements of all frequencies of the gantry of the same polarizer transfer station in the previous displacement information group as the decrement, and defining the modulus of the decrement as the displacement change of the gantry of each polarizer transfer station; Displacement outlier parameters of the gantry of the polarizer transfer station The operational equation is:

[0028] ;

[0029] In the equation: Representative The displacement change of the gantry of the polarizer transfer platform, Representative The standard parameters of the forward displacement of the gantry of the polarizer transfer platform, Representative The nearest stable reference parameter of the gantry of the polarizer transfer station, Representative in the The average of the past displacement parameters of all the gantries of the polarizer conveyor except the gantries of the polarizer conveyor, The representative parameters are Rectified linear unit, Represents the Euler number.

[0030] Furthermore, in Step 4, facing the gantry of each polarizer conveying station, the displacement outlier parameters of the gantry of each polarizer conveying station under different recent displacement information groups are sent into the isolation forest to obtain the outlier points within all the displacement outlier parameters of the gantry of each polarizer conveying station. Facing each outlier point, the equipment controller transmits the outlier point to the LCD screen for display and displays the fault adjustment and maintenance message on the LCD screen.

[0031] An adjustment device based on displacement information produced by a polarizer, comprising:

[0032] A displacement transmitter, a device controller and a servo controller are arranged on the gantry of the polarizer conveying platform. The displacement transmitter is used to sample the axial thermal displacement value of the gantry of the polarizer conveying platform and transmit it to the device controller. The device controller is used to calculate the compensation amount according to the collected axial thermal displacement value of the gantry of the polarizer conveying platform and transmit it to the servo controller. The servo controller is used to achieve compensation for the axial thermal displacement of the cutting mechanism according to the collected compensation amount.

[0033] The device controller is also connected to the SD card and the LCD screen. The SD card is used to store the axial thermal displacement value of the gantry of the polarizer transfer table transmitted to the device controller;

[0034] The modules running on the device controller include:

[0035] An acquisition module is used to obtain the most recent displacement information group and the past displacement information group; obtain the total axial thermal displacement value of the gantry of each polarizer conveying station on each day;

[0036] A combined module, which is used to obtain the past displacement principle index of the gantry of each polarizer conveying station; obtain the past displacement average of the gantry of each polarizer conveying station; combine the past displacement principle index and the past displacement average of the gantry of each polarizer conveying station to obtain the past displacement standard parameter of the gantry of each polarizer conveying station;

[0037] A distinguishing module is used to obtain the most recent stable reference parameter of the gantry of each polarizer conveying station; and to obtain the displacement outlier parameter of the gantry of each polarizer conveying station by combining the displacement variation of the gantry of each polarizer conveying station with the most recent stable reference parameter of the gantry of each polarizer conveying station and the difference of the past displacement standard parameter of the gantry of each polarizer conveying station;

[0038] The detection module is used to detect outliers in the axial thermal displacement value according to the displacement outlier parameters of the gantry of each polarizer conveying station.

[0039] The beneficial effects of the present invention are that, compared with the prior art, the technical effects of the present invention include:

[0040] Group all displacements of the gantry of each polarizer conveying station in the past displacement information group to obtain multiple groups of the gantry of each polarizer conveying station, and use the approximate displacement in each group to reflect the approximate displacement status of the gantry of each polarizer conveying station; obtain the past displacement principle index of the gantry of each polarizer conveying station, and use the past displacement principle index to reflect the approximate amplitude of the operation of the gantry of each polarizer conveying station in the past displacement information group; obtain the past displacement average of the gantry of each polarizer conveying station, and use the past displacement average to reflect the past displacement status of each polarizer conveying station in the past displacement information group. The average displacement of the gantry of the transport platform; obtain the standard parameters of the past displacement of the gantry of each polarizer transport platform, and combine the displacement of the gantry of each polarizer transport platform in the past with the approximation of the displacement state to reflect the past displacement convention of the gantry of each polarizer transport platform; obtain the most recent stable reference parameters of the gantry of each polarizer transport platform, and obtain the most recent stable reference parameters through the displacement state of the gantry of another polarizer transport platform other than the gantry of the current polarizer transport platform, and use the displacement state of the gantry of another polarizer transport platform as the reference for whether the most recent displacement is outlier; The displacement change of the gantry of each polarizer conveying station is obtained, and the difference between the recent displacement and the past displacement of the gantry of each polarizer conveying station is used to reflect whether the recent displacement of the gantry of each polarizer conveying station has undergone a sudden change; the displacement change of the gantry of each polarizer conveying station is combined with the difference between the recent stable reference parameters of the gantry of each polarizer conveying station and the past displacement standard parameters of the gantry of each polarizer conveying station, and the displacement outlier parameters of the gantry of each polarizer conveying station are obtained, and the past conventional and recent displacements of the gantry of other polarizer conveying stations are combined. Whether the displacement of the gantry of the current polarizer conveyor platform changes suddenly reflects whether the displacement of the gantry of each polarizer conveyor platform has an outlier condition; dynamic outlier detection is performed based on the displacement outlier parameters of the gantry of each polarizer conveyor platform to achieve outlier detection in the axial thermal displacement value of the gantry of each polarizer conveyor platform. The identification conclusion obtained involves the displacement routine of the gantry of each polarizer conveyor platform and the recent displacement mutation condition of the gantry of each polarizer conveyor platform and uses the gantry of another polarizer conveyor platform as a benchmark, so the outlier detection conclusion obtained is accurate and has good performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0041] Figure 1 is a flow chart of the adjustment method based on the displacement information of polarizer production described in the present invention;

[0042] Figure 2 It is a partial structural diagram of the adjustment device based on the displacement information produced by the polarizer described in the present invention. DETAILED DESCRIPTION

[0043] In order to make the purpose, technical solution and advantages of the present invention clearer, the following will be combined with the drawings in the embodiments of the present invention to clearly and completely express the technical solution of the present invention. The embodiments expressed in this application are only partial embodiments of the present invention, not all embodiments. According to the spirit of the present invention, other embodiments obtained by technicians in this field without creative work are all within the protection scope of the present invention.

[0044] like Figure 1 As shown, the adjustment method based on the displacement information of polarizer production described in the present invention includes:

[0045] Obtain the most recent displacement information group and the past displacement information group; obtain the total axial thermal displacement of the gantry of each polarizer conveying station on each day; obtain the past displacement principle index of the gantry of each polarizer conveying station; obtain the past displacement average of the gantry of each polarizer conveying station; combine the past displacement principle index of the gantry of each polarizer conveying station with the past displacement average to obtain the past displacement standard parameter of the gantry of each polarizer conveying station; obtain the most recent stable reference parameter of the gantry of each polarizer conveying station; combine the displacement change of the gantry of each polarizer conveying station with the most recent stable reference parameter of the gantry of each polarizer conveying station and the difference between the past displacement standard parameters of the gantry of each polarizer conveying station to obtain the displacement outlier parameter of the gantry of each polarizer conveying station; achieve outlier detection within the axial thermal displacement value based on the displacement outlier parameter of the gantry of each polarizer conveying station.

[0046] The present invention uses the following technical solutions.

[0047] A method for adjusting displacement information based on polarizer production, comprising:

[0048] The displacement transmitter samples the axial thermal displacement value of the gantry of the polarizer conveyor and transmits it to the device controller. The device controller calculates the compensation value based on the collected axial thermal displacement value of the gantry of the polarizer conveyor and transmits it to the servo controller. The servo controller achieves compensation for the axial thermal displacement of the cutting mechanism based on the collected compensation value. The SD card stores the axial thermal displacement value of the gantry of the polarizer conveyor transmitted to the device controller.

[0049] The adjustment method based on the displacement information of polarizer production also includes:

[0050] Step 1: Obtain the most recent displacement information group and the past displacement information group; obtain the total axial thermal displacement value of the gantry of each polarizer conveyor station on each day;

[0051] In a preferred but non-limiting embodiment of the present invention, the reference period pre-defined in the present application is the defined past ninety days, and the sampling period is the most recent seven days.

[0052] In a preferred but non-restrictive embodiment of the present invention, in Step 1, the present application is to detect outliers in the axial thermal displacement values ​​of the gantry of each polarizer conveying station in the polarizer production workshop, so the equipment controller initially uses the displacement transmitter to sample the axial thermal displacement values ​​of the gantry of each polarizer conveying station and stored in the SD card; here, in the present application, the method for detecting outliers in the axial thermal displacement values ​​at the gantry of the polarizer conveying station is run on the equipment controller.

[0053] In the present application, the process from one starting movement to one stopping movement of the gantry of the polarizer conveying station is defined as one displacement, and the displacement amount and displacement time of each displacement of the gantry of each polarizer conveying station sampled and transmitted in the sampling period are obtained through the displacement transmitter; the displacement amount and displacement time of each displacement of the gantry of each polarizer conveying station in the sampling period form a recent displacement information group; then the displacement amount and displacement time of each displacement of the gantry of each polarizer conveying station in the reference period are obtained, and the displacement amount and displacement time of each displacement of the gantry of each polarizer conveying station in the reference period form a past displacement information group; the frequency of displacement of the gantry of each polarizer conveying station in one day is defined as the displacement frequency of the gantry of each polarizer conveying station each day, and the total measurement of all displacement amounts of the gantry of each polarizer conveying station each day is defined as the total value of axial thermal displacement of the gantry of each polarizer conveying station each day. The displacement amount and displacement time are obtained from the SD card. The SD card also stores the displacement time, which is the time taken from the start to the stop of each displacement. The displacement amount of each displacement is the axial thermal displacement value transmitted by the displacement transmitter during each displacement, that is, the maximum displacement distance of each displacement.

[0054] Step 2: Obtain the past displacement principle index of the gantry of each polarizer conveying station; obtain the past displacement average of the gantry of each polarizer conveying station; combine the past displacement principle index and the past displacement average of the gantry of each polarizer conveying station to obtain the past displacement standard parameter of the gantry of each polarizer conveying station;

[0055] Each displacement can reflect the operating habits of the gantry of each polarizer conveyor station. The operating conditions of the gantry at the same time under the production of polarizers of the same specifications should be very close, and the displacement of the gantry of the polarizer conveyor station in the same period of time is also close. By grouping the displacements of the gantry of each polarizer conveyor station in the past displacement information group, the groups obtained by grouping are obtained, and the displacements of the displacements contained in each group obtained by grouping are similar; the fluctuation amplitude of the displacement of each group in each group obtained by grouping the gantry of each polarizer conveyor station is used to calculate the past displacement principle index of the gantry of each polarizer conveyor station, which reflects the operating habits of the gantry of the polarizer conveyor station.

[0056] In a preferred but non-limiting embodiment of the present invention, Step 2 specifically includes: using a pre-defined number of groups to apply agglomeration to group the displacements of the gantry of each polarizer conveyor in the previous displacement information group, and obtaining multiple groups of the gantry of each polarizer conveyor. The number of groups pre-defined in this application is ten; facing the first The gantry of the polarizer transfer station The number of displacements of each group of the gantry of the polarizer transfer station is divided by the The quotient of the displacement of all groups of the gantry of the polarizer transfer station is used as the quotient to obtain the The KL divergence of the displacement of the gantry of the polarizer transfer table is The probability of each grouping of the gantry of the polarizer conveyor is obtained based on the KL divergence of the displacement of the gantry of the polarizer transfer table.

[0057] In a preferred but non-limiting embodiment of the present invention, Step 2 specifically includes: The principle index of the displacement of the gantry of the polarizer transfer station The operational equation is:

[0058] ;

[0059] In the equation: Representative The KL divergence of the displacement of the gantry of the polarizer transfer station, Represents the number of previous displacement information groups The standard deviation of the displacement time of the gantry of the polarizer transfer station at all frequencies; Represents the Euler number.

[0060] Here Representatives The KL divergence of the displacement of the gantry of the polarizer transfer station is negatively correlated and normalized. The lower the value, the higher the KL divergence. The displacement amount of the gantry of the polarizer conveyor is more balanced in each group, so the first The more orderly the operation of the gantry of the polarizer conveyor, the higher the displacement principle index; The lower the number, the higher the number of previous period displacement information. The lower the fluctuation amplitude of the displacement time of the gantry of the polarizer transfer table, the higher the past displacement principle index.

[0061] The higher the past displacement principle index is, the more orderly the displacement of the gantry of the polarizer conveyor station is, and the lower the effect of the gantry of the polarizer conveyor station on the orderly displacement of the gantry during the production of the polarizer is, and the less likely it is to produce sudden large displacement; then, according to the enhanced average of the displacements of the gantry of each polarizer conveyor station in the past displacement information group, the average past displacement of the gantry of each polarizer conveyor station is obtained. The higher the past displacement average is, the more sudden large displacement of the gantry of the polarizer conveyor station will be; combined with the past displacement principle index of the gantry of each polarizer conveyor station, the average past displacement is used to obtain the past displacement standard parameter of the gantry of each polarizer conveyor station. The higher the past displacement standard parameter is, the more orderly the operation of the gantry of the polarizer conveyor station is, and the more stable the displacement is.

[0062] In a preferred but non-limiting embodiment of the present invention, Step 2 specifically includes: The average displacement of the gantry of the polarizer transfer station in the past The operational equation is:

[0063] ;

[0064] In the equation: The number of groups representing the grouping, Represents the number of previous displacement information groups The first gantry of the polarizer transfer station The number of displacements within a group, Representative The first gantry of the polarizer transfer station The mean displacement within each group; Represents the Euler number.

[0065] Here The lower and The higher the value, the higher the number of The first The displacement contained in each group is likely to be a sudden displacement; Representative The average displacement of the gantry of the polarizer transfer station in the past is used as the weight to obtain the past displacement information group. The enhanced mean of the displacement of each group in each group obtained by grouping the gantry of the polarizer transfer station is used to reflect the displacement information of the previous period in the group. The average displacement of the gantry of the polarizer transfer station in the past.

[0066] In a preferred but non-limiting embodiment of the present invention, Step 2 specifically further comprises: The past displacement index of the gantry of the polarizer transfer station is divided by the The quotient of the average displacement of the gantry of the polarizer transfer station is defined as The standard parameters of the past displacement of the gantry of each polarizer conveying station are obtained.

[0067] Step 3: Obtain the most recent stable reference parameter of the gantry of each polarizer conveying station; combine the displacement change of the gantry of each polarizer conveying station with the most recent stable reference parameter of the gantry of each polarizer conveying station and the difference of the past displacement standard parameter of the gantry of each polarizer conveying station to obtain the displacement outlier parameter of the gantry of each polarizer conveying station;

[0068] The past displacement standard parameters obtained based on the past displacement information set can be used as the long-term displacement routine benchmark under polarizer production. They have some delay and often cause changes in short-term operating routines due to external electromagnetic interference and other reasons. Therefore, the latest displacement routine benchmark must be obtained based on the latest displacement information set.

[0069] In a preferred but non-limiting embodiment of the present invention, Step 3 specifically includes: The nearest stable reference parameters of the gantry of the polarizer transfer station The operational equation is:

[0070] ;

[0071] In the equation: represents the size of the sampling period, Represents the number of All the gantry frames of the polarizer transfer stations except the gantry frame of the first polarizer transfer station are The standard deviation of the total daily axial thermal displacement, Represents the number of All the gantry frames of the polarizer transfer stations except the gantry frame of the first polarizer transfer station are The average of the total daily axial thermal displacement; Represents the Euler number.

[0072] Here The higher the amount, the higher the All the gantry frames of the polarizer transfer stations except the gantry frame of the polarizer transfer station If there are large fluctuations and large displacements during the day, there will be external electromagnetic interference and other reasons that cause the displacement of the gantry near the polarizer conveyor to suddenly increase. The lower the nearest stable reference parameter of the gantry of the polarizer transfer table.

[0073] The recent stable reference parameter reflects the stability of the recent displacement of the gantry of each polarizer conveyor station. By comparing the difference between the recent stable reference parameter and the past displacement standard parameter, it can be reflected whether there are external electromagnetic interference and other reasons that cause the recent displacement of the gantry of each polarizer conveyor station to increase. Under this condition, the past displacement standard parameters of the gantry of each polarizer conveyor station are combined with the recent displacement fluctuation status to obtain the displacement outlier parameters of the gantry of each polarizer conveyor station, which reflects whether the increased displacement of the gantry of each polarizer conveyor station is a legal increase caused by external electromagnetic interference and other reasons.

[0074] In a preferred but non-restrictive embodiment of the present invention, Step 3 specifically includes: taking the average of the displacements of all frequencies of the gantry of each polarizer conveying station in the most recent displacement information group minus the average of the displacements of all frequencies of the gantry of the same polarizer conveying station in the previous displacement information group as the decrement, and defining the modulus of the decrement as the displacement change of the gantry of each polarizer conveying station; Step 4 specifically includes: taking the average of the displacements of all frequencies of the gantry of each polarizer conveying station in the most recent displacement information group minus the average of the displacements of all frequencies of the gantry of the same polarizer conveying station in the previous displacement information group as the decrement, and defining the modulus of the decrement as the displacement change of the gantry of each polarizer conveying station; Displacement outlier parameters of the gantry of the polarizer transfer station The operational equation is:

[0075] ;

[0076] In the equation: Representative The displacement change of the gantry of the polarizer transfer platform, Representative The standard parameters of the forward displacement of the gantry of the polarizer transfer platform, Representative The nearest stable reference parameter of the gantry of the polarizer transfer station, Representative in the The average of the past displacement parameters of all the gantries of the polarizer conveyor except the gantries of the polarizer conveyor, The representative parameters are Rectified linear unit, Represents the Euler number.

[0077] Here A high amount means The gantry of the polarizer conveyor has a regular displacement in the past, but the displacement has changed a lot recently. The recent displacement of the gantry of the polarizer transfer station will be an outlier; The lower the amount, the and The lower the difference in quantity, the higher the The more the gantry of all polarizer transfer stations except the gantry of the first polarizer transfer station moves in compliance with the latest displacement, the If the displacement of the gantry of a polarizer conveyor is out of the ordinary, it is likely that the abnormal increase in displacement is caused by a malfunction of the gantry of the polarizer conveyor or a malfunction of the displacement transmitter, rather than a normal increase caused by external electromagnetic interference.

[0078] The displacement outlier parameters of the gantry of each polarizer transfer station are obtained in this way.

[0079] Step 4: Detect outliers within the axial thermal displacement value based on the displacement outlier parameters of the gantry of each polarizer transfer station.

[0080] Since the operation of the gantry of each polarizer transfer station is performed automatically at all times, the displacement outlier parameters of the gantry of each polarizer transfer station under multiple recent displacement information groups are obtained according to the above method.

[0081] In a preferred but non-restrictive embodiment of the present invention, in Step 4, facing the gantry of each polarizer conveying station, the displacement outlier parameters of the gantry of each polarizer conveying station under different recent displacement information groups are sent to the isolation forest, and the isolation forest is used to flexibly obtain the outlier points within all the displacement outlier parameters of the gantry of each polarizer conveying station. Facing each outlier point, the equipment controller transmits the outlier point to the LCD screen for display and displays the fault adjustment and maintenance message on the LCD screen, so as to inform the maintenance personnel to perform adjustment and maintenance on the gantry operation fault of the polarizer conveying station or the displacement transmitter operation fault of the gantry of each polarizer conveying station.

[0082] like Figure 2 As shown, the adjustment device based on the displacement information of polarizer production described in the present invention includes:

[0083] A displacement transmitter, a device controller and a servo controller are arranged on the gantry of the polarizer conveying platform. The displacement transmitter is used to sample the axial thermal displacement value of the gantry of the polarizer conveying platform and transmit it to the device controller. The device controller is used to calculate the compensation amount according to the collected axial thermal displacement value of the gantry of the polarizer conveying platform and transmit it to the servo controller. The servo controller is used to achieve compensation for the axial thermal displacement of the cutting mechanism according to the collected compensation amount.

[0084] The device controller is also connected to the SD card and the LCD screen. The SD card is used to store the axial thermal displacement value of the gantry of the polarizer transfer table transmitted to the device controller;

[0085] The modules running on the device controller include:

[0086] An acquisition module is used to obtain the most recent displacement information group and the past displacement information group; obtain the total axial thermal displacement value of the gantry of each polarizer conveying station on each day;

[0087] A combined module, which is used to obtain the past displacement principle index of the gantry of each polarizer conveying station; obtain the past displacement average of the gantry of each polarizer conveying station; combine the past displacement principle index and the past displacement average of the gantry of each polarizer conveying station to obtain the past displacement standard parameter of the gantry of each polarizer conveying station;

[0088] A distinguishing module is used to obtain the most recent stable reference parameter of the gantry of each polarizer conveying station; and to obtain the displacement outlier parameter of the gantry of each polarizer conveying station by combining the displacement variation of the gantry of each polarizer conveying station with the most recent stable reference parameter of the gantry of each polarizer conveying station and the difference of the past displacement standard parameter of the gantry of each polarizer conveying station;

[0089] The detection module is used to detect outliers in the axial thermal displacement value according to the displacement outlier parameters of the gantry of each polarizer conveying station.

[0090] The beneficial effects of the present invention are that, compared with the prior art, the technical effects of the present invention include:

[0091] Group all displacements of the gantry of each polarizer conveying station in the past displacement information group to obtain multiple groups of the gantry of each polarizer conveying station, and use the approximate displacement in each group to reflect the approximate displacement status of the gantry of each polarizer conveying station; obtain the past displacement principle index of the gantry of each polarizer conveying station, and use the past displacement principle index to reflect the approximate amplitude of the operation of the gantry of each polarizer conveying station in the past displacement information group; obtain the past displacement average of the gantry of each polarizer conveying station, and use the past displacement average to reflect the past displacement status of each polarizer conveying station in the past displacement information group. The average displacement of the gantry of the transport platform; obtain the standard parameters of the past displacement of the gantry of each polarizer transport platform, and combine the displacement of the gantry of each polarizer transport platform in the past with the approximation of the displacement state to reflect the past displacement convention of the gantry of each polarizer transport platform; obtain the most recent stable reference parameters of the gantry of each polarizer transport platform, and obtain the most recent stable reference parameters through the displacement state of the gantry of another polarizer transport platform other than the gantry of the current polarizer transport platform, and use the displacement state of the gantry of another polarizer transport platform as the reference for whether the most recent displacement is outlier; The displacement change of the gantry of each polarizer conveying station is obtained, and the difference between the recent displacement and the past displacement of the gantry of each polarizer conveying station is used to reflect whether the recent displacement of the gantry of each polarizer conveying station has undergone a sudden change; the displacement change of the gantry of each polarizer conveying station is combined with the difference between the recent stable reference parameters of the gantry of each polarizer conveying station and the past displacement standard parameters of the gantry of each polarizer conveying station, and the displacement outlier parameters of the gantry of each polarizer conveying station are obtained, and the past conventional and recent displacements of the gantry of other polarizer conveying stations are combined. Whether the displacement of the gantry of the current polarizer conveyor platform changes suddenly reflects whether the displacement of the gantry of each polarizer conveyor platform has an outlier condition; dynamic outlier detection is performed based on the displacement outlier parameters of the gantry of each polarizer conveyor platform to achieve outlier detection in the axial thermal displacement value of the gantry of each polarizer conveyor platform. The identification conclusion obtained involves the displacement routine of the gantry of each polarizer conveyor platform and the recent displacement mutation condition of the gantry of each polarizer conveyor platform and uses the gantry of another polarizer conveyor platform as a benchmark, so the outlier detection conclusion obtained is accurate and has good performance.

[0092] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art should understand that the specific implementation methods of the present invention can still be modified or replaced by equivalents, and any modifications or equivalent replacements that do not deviate from the spirit and scope of the present invention should be covered within the protection space of the claims of the present invention.

Claims

1. A method for adjusting displacement information based on polarizer production, characterized in that: include: The displacement transmitter samples the axial thermal displacement value of the gantry of the polarizer conveyor and transmits it to the device controller. The device controller calculates the compensation value based on the collected axial thermal displacement value of the gantry of the polarizer conveyor and transmits it to the servo controller. The servo controller achieves compensation for the axial thermal displacement of the cutting mechanism based on the collected compensation value. The SD card stores the axial thermal displacement value of the gantry of the polarizer conveyor transmitted to the device controller. The adjustment method based on the displacement information of polarizer production also includes: Step 1: Obtain the most recent displacement information group and the past displacement information group; obtain the total axial thermal displacement value of the gantry of each polarizer conveyor station on each day; Step 2: Obtain the past displacement principle index of the gantry of each polarizer conveying station; obtain the past displacement average of the gantry of each polarizer conveying station; combine the past displacement principle index and the past displacement average of the gantry of each polarizer conveying station to obtain the past displacement standard parameter of the gantry of each polarizer conveying station; Step 3: Obtain the most recent stable reference parameter of the gantry of each polarizer conveying station; combine the displacement change of the gantry of each polarizer conveying station with the most recent stable reference parameter of the gantry of each polarizer conveying station and the difference of the past displacement standard parameter of the gantry of each polarizer conveying station to obtain the displacement outlier parameter of the gantry of each polarizer conveying station; Step 4: Detect outliers in the axial thermal displacement value based on the displacement outlier parameters of the gantry of each polarizer transfer station; In Step 1, the process from one starting movement to one stopping movement of the gantry of the polarizer conveying station is defined as one displacement, and the displacement amount and displacement time of each displacement of the gantry of each polarizer conveying station sampled and transmitted in the sampling period are obtained through the displacement transmitter; the displacement amount and displacement time of each displacement of the gantry of each polarizer conveying station in the sampling period form a recent displacement information group; then the displacement amount and displacement time of each displacement of the gantry of each polarizer conveying station in the reference period are obtained, and the displacement amount and displacement time of each displacement of the gantry of each polarizer conveying station in the reference period form a past displacement information group; the frequency of displacement of the gantry of each polarizer conveying station in one day is defined as the displacement frequency of the gantry of each polarizer conveying station each day, and the total measurement of all displacement amounts of the gantry of each polarizer conveying station each day is defined as the total value of axial thermal displacement of the gantry of each polarizer conveying station each day.

2. The adjustment method based on displacement information of polarizer production according to claim 1, characterized in that: The predefined reference period is the defined past ninety days, and the sampling period is the most recent seven days.

3. The adjustment method based on displacement information of polarizer production according to claim 2, characterized in that: Step 2 specifically includes: using a predefined number of groups to apply the agglomeration method to group the displacements of the gantry of each polarizer transfer station in the previous displacement information group, and obtaining multiple groups of the gantry of each polarizer transfer station; facing the first The gantry of the polarizer transfer station The number of displacements of each group of the gantry of the polarizer transfer station is divided by the The quotient of the displacement of all groups of the gantry of the polarizer transfer station is used as the quotient to obtain the The KL divergence of the displacement of the gantry of the polarizer transfer table is The probability of each grouping of the gantry of the polarizer conveyor is obtained based on the The KL divergence of the displacement of the gantry of the polarizer transfer table; Step 2 specifically includes: The principle index of the displacement of the gantry of the polarizer transfer station The operational equation is: ； In the equation: Representative The KL divergence of the displacement of the gantry of the polarizer transfer station, Represents the number of previous displacement information groups The standard deviation of the displacement time of the gantry of the polarizer transfer station at all frequencies; Represents the Euler number.

4. The adjustment method based on displacement information of polarizer production according to claim 3, characterized in that: Step 2 specifically includes: The average displacement of the gantry of the polarizer transfer station in the past The operational equation is: ； In the equation: The number of groups representing the grouping, Represents the number of previous displacement information groups The first gantry of the polarizer transfer station The number of displacements within a group, Representative The first gantry of the polarizer transfer station The mean displacement within each group; Represents the Euler number.

5. The adjustment method based on displacement information of polarizer production according to claim 4, characterized in that: Step 2 specifically includes: The past displacement index of the gantry of the polarizer transfer station is divided by the The quotient of the average displacement of the gantry of the polarizer transfer station is defined as The standard parameters of the past displacement of the gantry of each polarizer conveying station are obtained.

6. The adjustment method based on displacement information of polarizer production according to claim 5, characterized in that: Step 3 specifically includes: The nearest stable reference parameters of the gantry of the polarizer transfer station The operational equation is: ； In the equation: represents the size of the sampling period, Represents the number of All the gantry frames of the polarizer transfer stations except the gantry frame of the first polarizer transfer station are The standard deviation of the total daily axial thermal displacement, Represents the number of All the gantry frames of the polarizer transfer stations except the gantry frame of the first polarizer transfer station are The average of the total daily axial thermal displacement; Represents the Euler number.

7. The adjustment method based on displacement information of polarizer production according to claim 6, characterized in that: Step 3 specifically includes: taking the average of the displacements of all frequencies of the gantry of each polarizer conveyor in the most recent displacement information group minus the average of the displacements of all frequencies of the gantry of the same polarizer conveyor in the previous displacement information group as the decrement, and defining the modulus of the decrement as the displacement variation of the gantry of each polarizer conveyor; ... Displacement outlier parameters of the gantry of the polarizer transfer station The operational equation is: ； In the equation: Representative The displacement change of the gantry of the polarizer transfer platform, Representative The standard parameters of the forward displacement of the gantry of the polarizer transfer platform, Representative The nearest stable reference parameter of the gantry of the polarizer transfer station, Representative in the The average of the past displacement parameters of all the gantries of the polarizer conveyor except the gantries of the polarizer conveyor, The representative parameters are Rectified linear unit, Represents the Euler number.

8. The adjustment method based on displacement information of polarizer production according to claim 7, characterized in that: In Step 4, facing the gantry of each polarizer conveyor station, the displacement outlier parameters of the gantry of each polarizer conveyor station under different recent displacement information groups are sent to the isolation forest to obtain the outlier points within all the displacement outlier parameters of the gantry of each polarizer conveyor station. For each outlier point, the device controller transmits the outlier point to the LCD screen for display and displays the fault adjustment and maintenance information on the LCD screen.

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