A method and system for edge positioning of a panel-type element

Abstract

The application particularly relates to a plate type element edge positioning method, comprising the following steps: step 1, obtaining images of a fuel cladding and a fuel core through X-ray imaging; step 2, establishing a coordinate system in the images to obtain the relative positions of each vertex of the fuel and each vertex of the fuel core, and establishing a reference coordinate system for cutting the fuel cladding; step 3, obtaining the coordinates of each vertex of the fuel cladding and each vertex of the fuel core in the reference coordinate system; and step 4, cutting the fuel cladding according to the coordinates of each vertex of the fuel cladding and each vertex of the fuel core in the reference coordinate system. The plate type element edge positioning method realizes the accurate positioning of the fuel core in the fuel cladding, improves the cutting accuracy, and avoids cutting into the fuel core in the fuel cladding to damage the structure of the fuel core when the fuel cladding is cut.

Description

Technical Field

[0001] This invention relates to the field of non-destructive testing technology for nuclear fuel elements, and in particular to a method and system for edge-tracking positioning of plate-shaped elements. Background Technology

[0002] The fuel cladding and the fuel core inside it are collectively called a fuel element. A certain number of fuel elements make up a fuel assembly. The fuel element cladding is relatively long during manufacturing and needs to be cut for practical applications. During the cutting process, because it is impossible to precisely position the fuel core inside the cladding, it is easy to cut into the fuel core inside the cladding, damaging its structure.

[0003] Currently, the cutting of fuel element casings is primarily done using the cutting mechanism of a lathe. A clamping mechanism rotates the workpiece into a pre-set cutting groove for direct cutting. The fuel element casing can only be successfully cut if the fuel core is completely within the cutting groove; otherwise, the fuel core will be damaged. This method of cutting fuel element casings cannot accurately position the fuel core within the casing, resulting in low cutting accuracy and a high probability of core damage. Furthermore, the position of the cutting groove is fixed after the cutting equipment is installed, and significant errors can occur during workpiece rotation, leading to low cutting precision and efficiency. Summary of the Invention

[0004] The purpose of this invention is to provide a method and system for edge-tracking positioning of plate-shaped components. This method and system achieve accurate positioning of the fuel core in the fuel casing, improve cutting accuracy, and avoid cutting into the fuel core inside the fuel casing and damaging the fuel core structure when cutting the fuel casing.

[0005] To achieve the above objectives, the present invention provides the following technical solution:

[0006] A method for edge-following positioning of a plate-type component includes the following steps:

[0007] Step 1: Obtain images of the fuel cladding and fuel core using X-ray imaging;

[0008] Step 2: Establish a coordinate system in the image to obtain the relative positions of each vertex of the fuel and each vertex of the fuel core, and establish a reference coordinate system for cutting the fuel cladding.

[0009] Step 3: Obtain the coordinates of each vertex of the fuel cladding and each vertex of the fuel core in the reference coordinate system;

[0010] Step 4: Cut the fuel cladding according to the coordinates of each vertex of the fuel cladding and each vertex of the fuel core in the reference coordinate system.

[0011] Furthermore, in step 2, a coordinate system XOY is established with the fuel cladding vertex O in the image as the origin, and a reference coordinate system X1O1Y1 is established with the cutting groove vertex O1 as the origin.

[0012] Furthermore, step 3 specifically includes the following steps:

[0013] Step 3.1: Identify the coordinates of each vertex of the fuel cladding and each vertex of the fuel core in the XOY coordinate system using an image recognition processing algorithm;

[0014] Step 3.2: Obtain the coordinates of the fuel cladding boundary points detected on the scanning path perpendicular to the X1O1Y1 coordinate axis in the XOY coordinate system.

[0015] Step 3.3: Calculate the equation of the straight line of the boundary using the coordinates of two boundary points on the same boundary of the fuel cladding.

[0016] Step 3.4: Calculate the coordinates of each vertex of the fuel cladding in the X1O1Y1 coordinate system by using the equations of the straight lines of any two intersecting boundaries of the fuel cladding.

[0017] Step 3.5: Calculate the coordinate system translation based on the coordinate difference between any vertex of the fuel cladding in the two coordinate systems XOY and X1O1Y1;

[0018] Step 3.6: Calculate the rotation angle of the coordinate system based on the coordinate system translation and the angle between the lines containing any two vertices of the fuel cladding.

[0019] Step 3.7: Calculate the coordinates of each vertex of the fuel core in the X1O1Y1 coordinate system based on the coordinates of each vertex of the fuel core in the XOY coordinate system, the translation of the coordinate system, and the rotation angle of the coordinate system.

[0020] The present invention also provides a plate-type component edge-following positioning system, comprising:

[0021] A cutting platform, used for: placing fuel assemblies;

[0022] The X-ray imaging unit is used to acquire images of the fuel cladding and fuel core and send them to the data processing unit.

[0023] The data processing unit is used to: receive images of the fuel cladding and fuel core sent by the X-ray imaging unit, establish a coordinate system in the images, identify the coordinates of each vertex of the fuel cladding and each vertex of the fuel core in the coordinate system, acquire the coordinates of the boundary points of the fuel cladding detected by the detection mechanism in the coordinate system under trigger, and analyze the coordinates of each vertex of the fuel cladding and each vertex of the fuel core in the reference coordinate system.

[0024] The detection mechanism is used to: photoelectrically scan the fuel cladding along a scanning path perpendicular to the coordinate axes of the reference coordinate system to obtain the switching signals of the fuel cladding boundary points and send them to the servo system;

[0025] The servo system is used to: receive the switching signal of the fuel cladding boundary point sent by the detection mechanism; drive the data processing unit to obtain the coordinates of the fuel cladding boundary point detected by the detection mechanism in the coordinate system; and control the detection mechanism to move along the scanning path perpendicular to the coordinate axis of the reference coordinate system.

[0026] The detection mechanism is electrically connected to the servo system, and the servo system is communicatively connected to the data processing unit.

[0027] Furthermore, the data processing unit establishes a coordinate system XOY with the fuel cladding vertex O as the origin, and identifies the coordinates of each vertex of the fuel cladding and fuel core in the XOY coordinate system through an embedded image recognition processing algorithm.

[0028] Furthermore, the cutting platform includes: a cutting groove; the data processing unit establishes a reference coordinate system X1O1Y1 with the vertex O1 of the cutting groove as the origin.

[0029] Furthermore, the detection mechanism includes: a photoelectric detection sensor array; the photoelectric detection sensor array is used to: scan the fuel cladding along a scanning path perpendicular to the X1O1Y1 coordinate axis of the reference coordinate system; when the photoelectric detection sensor array scans the boundary of the fuel cladding, the photoelectric detection sensor array sends a switching signal of the boundary point of the fuel cladding to the servo system.

[0030] Furthermore, the data processing unit analyzes the position of each vertex of the fuel cladding in the reference coordinate system, including:

[0031] Obtain the coordinates of the fuel cladding boundary points detected by the photoelectric detection sensor array in the XOY coordinate system;

[0032] The equation of the straight line of the boundary is calculated by using the coordinates of two boundary points on the same boundary of the fuel cladding.

[0033] The coordinates of each vertex of the fuel cladding in the X1O1Y1 coordinate system are obtained by calculating the equations of the lines of any two intersecting boundaries of the fuel cladding and then calculating the intersection point.

[0034] Furthermore, the data processing unit analyzes the position of each vertex of the fuel core in the reference coordinate system to achieve the localization of the fuel core's position, including:

[0035] Calculate the coordinate system translation based on the coordinate difference between any vertex of the fuel cladding in the two coordinate systems XOY and X1O1Y1;

[0036] Calculate the rotation angle of the coordinate system based on the translation of the coordinate system and the angle between the lines containing any two vertices of the fuel cladding.

[0037] Based on the coordinates of each vertex of the fuel core in the XOY coordinate system, the translation amount of the coordinate system, and the rotation angle of the coordinate system, the coordinates of each vertex of the fuel core in the X1O1Y1 coordinate system are calculated.

[0038] Furthermore, the servo system includes:

[0039] The PLC controller is used to: receive the switching signal of the fuel cladding boundary point sent by the photoelectric detection sensor array; drive the data processing unit to obtain the coordinates of the fuel cladding boundary point detected by the photoelectric detection sensor array in the XOY coordinate system; control the movement of the linear module and the ball screw; and send direction pulse trains to the servo driver.

[0040] A servo driver is used to receive directional pulse trains from a PLC controller and drive a servo motor to rotate.

[0041] A speed reducer is used to reduce the speed of the rotation signal from the servo motor before sending it to the linear module.

[0042] A ball screw is installed on the linear module for: receiving the rotation signal sent by the reducer, converting the rotational displacement on the reducer into linear displacement through the ball screw, driving the detection mechanism to reciprocate along the second linear direction through the ball screw; driving the detection mechanism to reciprocate along the first linear direction through the bracket; the second linear direction is perpendicular to the first linear direction.

[0043] The photoelectric detection sensor array is electrically connected to the PLC controller, the PLC controller is communicatively connected to the data processing unit, the PLC controller is electrically connected to the servo motor through the servo driver, and the servo motor is electrically connected to the reducer.

[0044] Beneficial technical effects of the present invention:

[0045] The plate-type element edge-following positioning method and system of the present invention acquires images of the fuel cladding and fuel core through X-ray imaging, establishes a coordinate system in the images to obtain the relative positions of the fuel cladding and fuel core, establishes a reference coordinate system, and obtains the transformation relationship between the coordinate system in the images and the reference coordinate system, and when cutting the fuel cladding in the reference coordinate system, uses coordinate transformation to obtain the coordinates of each vertex of the fuel core in the reference coordinate system, calculates the position of the fuel core in the fuel cladding using edge-following positioning, and achieves accurate positioning of the fuel core, thereby improving the cutting accuracy and avoiding cutting into the fuel core inside the fuel cladding and damaging the fuel core structure when cutting the fuel cladding. Attached Figure Description

[0046] Figure 1 This is a schematic diagram showing the coordinates of the fuel cladding boundary points detected by the photoelectric detection sensor array in the XOY coordinate system.

[0047] Figure 2 This is a schematic diagram showing the coordinates of the fuel cladding boundary points detected by the photoelectric detection sensor array in coordinate system X1O1Y1.

[0048] Figure 3 This is a schematic diagram showing the coordinates of each vertex of the fuel cladding in the coordinate system X1O1Y1;

[0049] Figure 4 This is a flowchart of the plate-type component edge-following positioning method of the present invention;

[0050] Figure 5 This is a schematic diagram of the edge-following positioning system for plate-type components according to the present invention;

[0051] Figure 6 This is a schematic diagram of the servo system structure.

[0052] In the diagram, 1-fuel assembly; 2-detection mechanism; 3-support; 4-linear module; 5-ball screw; 6-cutting platform; 7-cutting groove. Detailed Implementation

[0053] The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings and specific embodiments. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0054] Example 1

[0055] See Figure 1-4 This invention provides a method for edge-following positioning of plate-shaped components, comprising the following steps:

[0056] Step 1: Acquire images of the fuel cladding and fuel core using an X-ray imaging unit;

[0057] Step 2: Establish a coordinate system XOY with the fuel cladding vertex O in the image as the origin, and establish a reference coordinate system X1O1Y1 with the cutting groove vertex O1 as the origin;

[0058] Step 3: Identify the coordinates of vertices A, B, C, E, F, G, and H in the XOY coordinate system using an image recognition processing algorithm; where O, A, B, and C are the four vertices of the fuel cladding, and E, F, G, and H are the four vertices of the fuel core.

[0059] Step 4: The photoelectric detection sensor array scans the fuel cladding along a scanning path perpendicular to the X1O1Y1 coordinate axis; the scanning path includes X... s1 X s2 Y s1 and Y s2 Scan path X s1 and X s2 The scan path Y is perpendicular to the X-axis of the coordinate system X1O1Y1. s1 and Y s2 The Y-axis is perpendicular to the coordinate system X1O1Y1;

[0060] Step 5: When the photoelectric sensor array scans the boundary of the fuel cladding, a switch signal for the fuel cladding boundary point is triggered. The coordinates of the fuel cladding boundary point detected by the photoelectric sensor array in the XOY coordinate system are obtained, which are N1(X1, Y1, Y2). s1 N2(X2, Y) s2 ), N3(X s1 Y1) N4(X s2 Y2), N5(X3, Y s1 N6(X4, Y) s2 ), N7(X) s1 Y3), N8(X) s2 Y4);

[0061] Step 6: Using the coordinates of two boundary points on the same boundary of the fuel cladding, calculate the equation of the straight line of the boundary, including:

[0062] Through N1(X1, Y) s1 ) and N2(X2, Y s2 The equation of the line O'B' is (X-X1) / (X2-X1)=(YY) s1 ) / (Y s2 -Y s1 In the formula, X1 and X2 are determined by finding the edges, and Y... s1 Y s2 It is a fixed value;

[0063] Through N3(X) s1 Y1) N4(X s2 The equation of the line B'C is obtained from (XX, Y2) s1 ) / (X s2 -X s1 )=(Y-Y1) / (Y2-Y1), where Y1 and Y2 are determined by finding the edges, and X s1 X s2 It is a fixed value;

[0064] Through N5(X3, Y) s1N6(X4, Y) s2 The equation of the line C'A' is (X-X3) / (X4-X3)=(YY) s1 ) / (Y s2 -Y s1 In the formula, X3 and X4 are determined by finding the edges, and Y... s1 Y s2 It is a fixed value;

[0065] Through N7(X) s1 Y3), N8(X) s2 The equation of the line A'O is obtained from (XX, Y4). s1 ) / (X s2 -X s1 ) = (Y-Y3) / (Y4-Y3), where Y3 and Y4 are determined by finding the edges, and X s1 X s21 It is a fixed value;

[0066] Step 7: Calculate the intersection point of any two intersecting boundary lines of the fuel cladding to obtain the coordinates O', A', B', and C' of each vertex O, A, B, and C in the X1O1Y1 coordinate system. For example, the intersection point of O'B' and A'O' can be calculated to obtain the coordinates of point O' in the X1O1Y1 coordinate system. The intersection point of C'A' and A'O' can be calculated to obtain the coordinates of point B' in the X1O1Y1 coordinate system. The intersection point of O'B' and B'C' can be calculated to obtain the coordinates of point B' in the X1O1Y1 coordinate system. The intersection point of B'C' and C'A can be calculated to obtain the coordinates of point C' in the X1O1Y1 coordinate system.

[0067] Step 8: Calculate the translation of the coordinate system based on the coordinate difference between any vertex of the fuel cladding in the two coordinate systems. For example, coordinate system X1O1Y1 is equivalent to coordinate system XOY after translation and then rotation by ∠θ. Based on the relationship between point O and point O', calculate that XOY has moved (Xo', Yo') relative to X1O1Y1.

[0068] Step 9: Calculate the coordinate system rotation angle based on the angle between the coordinate system translation and the straight line containing any two vertices of the fuel cladding; for example, calculate the coordinate system rotation angle based on the angle O'A': calculate Tan∠θ=(Ya'-Yo') / (Xa'-Xo') using the tangent function;

[0069] Step 10: Based on the coordinates of each vertex E, F, G, H of the core obtained from X-ray image processing, as well as the translation and rotation angles of the coordinate system, obtain the coordinates of each vertex E, F, G, H of the core in the X1O1Y1 coordinate system.

[0070] See Figure 5-6 The present invention also provides an edge-following positioning system for plate-shaped components, comprising:

[0071] Cutting platform 6 is used for: placing fuel assembly 1;

[0072] The X-ray imaging unit is used to acquire images of the fuel cladding and fuel core and send them to the data processing unit.

[0073] The data processing unit is used to: receive images of the fuel cladding and fuel core sent by the X-ray imaging unit, identify the coordinates of each vertex of the fuel cladding and each vertex of the fuel core in the XOY coordinate system, acquire the coordinates of the boundary points of the fuel cladding detected by the detection mechanism 2 in the XOY coordinate system under trigger, and analyze the coordinates of each vertex of the fuel cladding and each vertex of the fuel core in the reference coordinate system.

[0074] Detection mechanism 2 is used to: photoelectrically scan the fuel cladding along a scanning path perpendicular to the coordinate axes of the reference coordinate system to obtain the switching signals of the fuel cladding boundary points and send them to the servo system;

[0075] The servo system is used to: receive the switching signal of the fuel cladding boundary point sent by the detection mechanism 2, drive the data processing unit to obtain the coordinates of the fuel cladding boundary point detected by the detection mechanism 2 in the XOY coordinate system; and control the detection mechanism 2 to move along the scanning path perpendicular to the coordinate axis of the reference coordinate system.

[0076] The detection mechanism 2 is electrically connected to the servo system, and the servo system is communicatively connected to the data processing unit.

[0077] Furthermore, the data processing unit establishes a coordinate system XOY with the fuel cladding vertex O as the origin, and identifies the coordinates of each vertex of the fuel cladding and fuel core in the XOY coordinate system through an embedded image recognition processing algorithm.

[0078] Furthermore, the cutting platform 6 includes: a cutting groove 7; the data processing unit establishes a reference coordinate system X1O1Y1 with the vertex O1 of the cutting groove 7 as the origin.

[0079] Furthermore, the detection mechanism 2 includes: a photoelectric detection sensor array; the photoelectric detection sensor array is used to: scan the fuel cladding on a scanning path perpendicular to the X1O1Y1 coordinate axis of the reference coordinate system; when the photoelectric detection sensor array scans the boundary of the fuel cladding, the photoelectric detection sensor array sends a switching signal of the boundary point of the fuel cladding to the servo system.

[0080] Furthermore, the data processing unit analyzes the position of each vertex of the fuel cladding in the reference coordinate system, including:

[0081] Obtain the coordinates of the fuel cladding boundary points detected by the photoelectric detection sensor array in the XOY coordinate system;

[0082] The equation of the straight line of the boundary is calculated by using the coordinates of two boundary points on the same boundary of the fuel cladding.

[0083] The coordinates of each vertex of the fuel cladding in the X1O1Y1 coordinate system are obtained by calculating the equations of the lines of any two intersecting boundaries of the fuel cladding and then calculating the intersection point.

[0084] Furthermore, the data processing unit analyzes the position of each vertex of the fuel core in the reference coordinate system to achieve the localization of the fuel core's position, including:

[0085] Calculate the coordinate system translation based on the coordinate difference between any vertex of the fuel cladding in the two coordinate systems XOY and X1O1Y1;

[0086] Calculate the rotation angle of the coordinate system based on the translation of the coordinate system and the angle between the lines containing any two vertices of the fuel cladding.

[0087] Based on the coordinates of each vertex of the fuel core in the XOY coordinate system, the translation amount of the coordinate system, and the rotation angle of the coordinate system, the coordinates of each vertex of the fuel core in the X1O1Y1 coordinate system are calculated.

[0088] Furthermore, the servo system includes:

[0089] The PLC controller is used to: receive the switching signal of the fuel cladding boundary point sent by the photoelectric detection sensor array; drive the data processing unit to obtain the coordinates of the fuel cladding boundary point detected by the photoelectric detection sensor array in the XOY coordinate system; control the movement of the linear module 4 and the ball screw 5; and send direction pulse trains to the servo driver.

[0090] A servo driver is used to receive directional pulse trains from a PLC controller and drive a servo motor to rotate.

[0091] The speed reducer is used to reduce the speed of the rotation signal from the servo motor before sending it to the linear module 4.

[0092] A ball screw 5 is installed on the linear module 4 for: receiving the rotation signal sent by the reducer, converting the rotational displacement on the reducer into linear displacement through the ball screw 5, driving the detection mechanism 2 to move back and forth along the second linear direction through the ball screw 5; driving the detection mechanism 2 to move back and forth along the first linear direction through the bracket 3; the second linear direction is perpendicular to the first linear direction.

[0093] The photoelectric detection sensor array is electrically connected to the PLC controller, the PLC controller is communicatively connected to the data processing unit, the PLC controller is electrically connected to the servo motor through the servo driver, and the servo motor is electrically connected to the reducer.

[0094] The embodiments described above are merely illustrative of several implementations of the present invention, and while the descriptions are specific and detailed, they should not be construed as limiting the scope of the present invention. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of the present invention, and these modifications and improvements all fall within the scope of protection of the present invention. Therefore, the scope of protection of this patent should be determined by the appended claims.

Claims

1. A method for edge-following positioning of a plate-shaped component, characterized in that, Includes the following steps: Step 1: Obtain images of the fuel cladding and fuel core using X-ray imaging; Step 2: Establish a coordinate system in the image to obtain the relative positions of each vertex of the fuel and each vertex of the fuel core, and establish a reference coordinate system for cutting the fuel cladding; wherein, the coordinate system XOY is established with the fuel cladding vertex O in the image as the origin, and the reference coordinate system X1O1Y1 is established with the cutting groove vertex O1 as the origin. Step 3: Obtain the coordinates of each vertex of the fuel cladding and each vertex of the fuel core in the reference coordinate system. This includes the following steps: Step 3.1: Identify the coordinates of each vertex of the fuel cladding and each vertex of the fuel core in the XOY coordinate system using an image recognition processing algorithm; Step 3.2: Obtain the coordinates of the fuel cladding boundary points detected on the scanning path perpendicular to the X1O1Y1 coordinate axis in the XOY coordinate system. Step 3.3: Calculate the equation of the straight line of the boundary using the coordinates of two boundary points on the same boundary of the fuel cladding. Step 3.4: Calculate the coordinates of each vertex of the fuel cladding in the X1O1Y1 coordinate system by using the equations of the straight lines of any two intersecting boundaries of the fuel cladding. Step 3.5: Calculate the coordinate system translation based on the coordinate difference between any vertex of the fuel cladding in the two coordinate systems XOY and X1O1Y1; Step 3.6: Calculate the rotation angle of the coordinate system based on the coordinate system translation and the angle between the lines containing any two vertices of the fuel cladding. Step 3.7: Calculate the coordinates of each vertex of the fuel core in the X1O1Y1 coordinate system based on the coordinates of each vertex of the fuel core in the XOY coordinate system, the translation of the coordinate system, and the rotation angle of the coordinate system. Step 4: Cut the fuel cladding according to the coordinates of each vertex of the fuel cladding and each vertex of the fuel core in the reference coordinate system.

2. A plate-type component edge-following positioning system, characterized in that, include: Cutting platform (6) is used for: placing fuel assembly (1); X-ray imaging system, used to: acquire images of fuel cladding and fuel core and send them to data processing unit; The data processing unit is used to: receive images of the fuel cladding and fuel core sent by the X-ray imaging system, establish a coordinate system in the image, identify the coordinates of each vertex of the fuel cladding and each vertex of the fuel core in the coordinate system, and obtain the coordinates of the boundary points of the fuel cladding detected by the detection mechanism (2) in the coordinate system under trigger, and analyze the coordinates of each vertex of the fuel cladding and each vertex of the fuel core in the reference coordinate system. The detection mechanism (2) is used to: photoelectrically scan the fuel cladding along a scanning path perpendicular to the coordinate axes of the reference coordinate system to obtain the switching signal of the fuel cladding boundary point and send it to the servo system; The servo system is used to: receive the switching signal of the fuel cladding boundary point sent by the detection mechanism (2), drive the data processing unit to obtain the coordinates of the fuel cladding boundary point detected by the detection mechanism (2) in the coordinate system; and control the detection mechanism (2) to move along the scanning path perpendicular to the coordinate axis of the reference coordinate system. The detection mechanism (2) is electrically connected to the servo system, and the servo system is communicatively connected to the data processing unit; The detection mechanism (2) includes: a photoelectric detection sensor array; the photoelectric detection sensor array is used to: scan the fuel cladding on a scanning path perpendicular to the X1O1Y1 coordinate axis of the reference coordinate system; when the photoelectric detection sensor array scans the boundary of the fuel cladding, the photoelectric detection sensor array sends a switching signal of the boundary point of the fuel cladding to the servo system; The data processing unit analyzes the position of each vertex of the fuel cladding in the reference coordinate system, including: Obtain the coordinates of the fuel cladding boundary points detected by the photoelectric detection sensor array in the XOY coordinate system; The equation of the straight line of the boundary is calculated by using the coordinates of two boundary points on the same boundary of the fuel cladding. The coordinates of each vertex of the fuel cladding in the X1O1Y1 coordinate system are obtained by calculating the equations of the lines of any two intersecting boundaries of the fuel cladding. The data processing unit analyzes the position of each vertex of the fuel core in the reference coordinate system to locate the position of the fuel core, including: Calculate the coordinate system translation based on the coordinate difference between any vertex of the fuel cladding in the two coordinate systems XOY and X1O1Y1; Calculate the rotation angle of the coordinate system based on the translation of the coordinate system and the angle between the lines containing any two vertices of the fuel cladding. Based on the coordinates of each vertex of the fuel core in the XOY coordinate system, the translation amount of the coordinate system, and the rotation angle of the coordinate system, the coordinates of each vertex of the fuel core in the X1O1Y1 coordinate system are calculated. The data processing unit establishes a coordinate system XOY with the fuel cladding vertex O as the origin, and identifies the coordinates of each vertex of the fuel cladding and fuel core in the XOY coordinate system through an embedded image recognition processing algorithm. The cutting platform (6) includes: a cutting groove (7); the data processing unit establishes a reference coordinate system X1O1Y1 with the vertex O1 of the cutting groove (7) as the origin.

Images