Cooking cutter intelligent simulation training platform system and working method
Through the intelligent simulation training platform for cooking knife technology combined with surface array pressure sensor and laser ranging sensor, the supervision problems of knife technology training in cooking training are solved, digital and intelligent knife technology training management is realized, and teaching effect and resource utilization are improved.
Patent Information
- Application Number
- CN202510674689.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-23
- Publication Date
- 2025-07-22
AI Technical Summary
In cooking vocational training, there are problems in the process of knife skills training that students evade supervision, evaluate subjective evaluation and waste of resources, making it difficult to achieve digital and intelligent full-process management.
The combination of surface array pressure sensor and laser ranging sensor is adopted to detect the position of the knife mark and the movement of the tool in real time, and data analysis is carried out through the data acquisition and processing device to build a three-dimensional synchronous dynamic simulation system to realize the digital and intelligent management of tool training.
It realizes efficient monitoring of the knife skills training process, eliminates students' evasion, provides objective evaluation and data support, and improves teaching effectiveness and resource utilization.
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Figure CN120356380A_ABST
Abstract
Description
Technical Field
[0001] The present application belongs to the field of practical training and learning in the culinary vocational education system, and in particular to a cooking knife skills intelligent simulation training platform system and working method. Background Art
[0002] With the continuous progress of social economy, people have higher and higher requirements for the quality of life, and the cooking industry is booming, especially high-end catering is becoming the first choice for everyone's spare time. Therefore, the quality of cooking technology has become the core element of the development of the catering industry. In the process of pursuing the "color, fragrance and taste" of dishes, knife skills have the greatest impact on the appearance of dishes.
[0003] At present, in vocational training colleges, students' own qualities and teaching conditions have a significant impact on the effectiveness of knife skills training; in the training process, due to the large number of students, the process supervision is difficult, and students often actively avoid training, resulting in a vacuum in training management; with the advancement of digital technology, the implementation of digital supervision of the entire process of knife skills training has put forward higher requirements; from real-time evaluation of training results, rapid screening of outstanding students, focusing on helping to improve students with weak abilities, and strengthening the training effect of all employees, it is urgent to develop a cooking knife skills intelligent simulation training platform system and working methods to realize the transformation and improvement of students' knife skills training from the traditional training mode to the digital and intelligent direction.
[0004] The information in this background technology section is only intended to enhance the understanding of the overall background of the application and should not be construed as an admission or any form of suggestion that the information constitutes the prior art already known to a person of ordinary skill in the art. Summary of the invention
[0005] In order to solve the above problems, this application provides a cooking knife skills intelligent simulation training platform system and working method. During the cooking knife skills intelligent training process, real ingredients can be used, or the slicing and shredding process of actual ingredients can be simulated with bare hands. The platform can instantly detect and simulate the position of each knife mark, calculate the distance between any two adjacent knife marks, and deduce the actual performance of each knife skills training;
[0006] In order to achieve the above technical objectives, this application adopts the following technical solutions:
[0007] A cooking knife skills intelligent simulation training platform system, comprising:
[0008] An operating table, wherein a groove is formed on the surface of the operating table;
[0009] The training chopping board is arranged in the groove on the surface of the operation table. The training chopping board sequentially includes a protective film, a matrix pressure sensor, and a pressure-sensitive film soft rubber cushion layer from top to bottom. During the training process, the blade presses on the matrix pressure sensor, and the sensors at the corresponding points are activated to generate pressure data.
[0010] The laser distance sensor is arranged on one side of the training chopping board and is used to detect the distance data from the laser to the side of the tool during the knife work training process.
[0011] The data acquisition and processing device is used to acquire and process the data of the matrix pressure sensor and the laser distance sensor.
[0012] It is used to display the movement trajectory and movement frequency of the tool during the virtual tool simulation training process in a three-dimensional scene, and at the same time immediately display the movement frequency of the tool, the slice thickness, the actual slicing performance, and the quantitative evaluation of the training effect, and give the training score.
[0013] In some embodiments of the present application, the surface material of the operation table is stainless steel, and the matrix pressure sensor is fixed on a horizontal stainless steel platform; the protective film of the matrix pressure sensor is a flexible plastic film that is resistant to wear and cutting; when the tool cuts on the flexible plastic film, the blade acts on the pressure sensor at the corresponding point on the protective film, and when the pressure reaches the preset value, the system automatically records the sensor data at the corresponding coordinate position.
[0014] In some embodiments of the present application, the matrix pressure sensor is formed by cross-weaving warp and weft pressure-sensing lines, and each intersection point has a clear coordinate. When the intersection point is activated by the pressure applied by the blade to generate pressure data.
[0015] In some embodiments of the present application, the data acquisition and processing device collects the pressure data generated by the matrix pressure sensor at a frequency of ten times per second, completes data cleaning, forms a straight line in a two-dimensional coordinate system according to the coordinate data of the blade pressure points, and transmits the data to the three-dimensional synchronous dynamic simulation system of the upper computer.
[0016] In some embodiments of the present application, the laser distance sensor measures the distance from the laser head to the tool, and the data is also transmitted to the data acquisition and processing device; in the two-dimensional coordinate system, the coordinate data of two laser heads and the length data of two parallel lasers are determined to obtain the knife mark data and fit it into a straight line, and the straight line parameters are transmitted to the three-dimensional synchronous dynamic simulation system of the upper computer.
[0017] In some embodiments of the present application, during the knife skills training process, the laser ranging sensor detects the distance data from the laser to the side of the tool. The laser ranging sensor transmits the data to the data acquisition and processing device. The system gives a fitted straight line of the knife mark synchronously according to the laser ranging data. The coordinate data of the area array pressure sensor and the laser ranging sensor are placed in the same two-dimensional coordinate system and calibrated with each other to ensure the accuracy of the fitted straight line of the knife mark.
[0018] In some embodiments of the present application, the three-dimensional synchronous dynamic simulation system receives data from the lower computer data acquisition and processing device through an interface. The three-dimensional synchronous dynamic simulation system is based on VR three-dimensional simulation technology and is modeled with UNITY software to construct a knife skills training scenario. The movement trajectory and frequency of the knife in the simulation system of the data acquisition and processing device are synchronized with the actions of the real knife, which can improve the realism of the knife skills simulation training.
[0019] In some embodiments of the present application, the three-dimensional synchronous dynamic simulation system can quantitatively evaluate the effectiveness of the knife skills training. During the evaluation operation process, each student registers and logs in with their real names and starts the training process. The system can automatically record the training time period and duration of each student each time. The system has quantitative evaluation data for each knife during the training process, analyzes and calculates the data of the adjacent fitted straight lines of the knife marks, and gives the training score for each knife. Finally, all the training scores are weighted and averaged to give the final score of this knife skills training. The system makes a personal longitudinal comparison and a classmate horizontal comparison of the training scores of the students, accurately and objectively evaluates the training process of each student, and provides data support for the precise assistance and guidance of the teacher.
[0020] In some embodiments of the present application, a working method of a cooking knife skills intelligent simulation training platform system is also provided. Using any of the above-mentioned training platform systems, it includes the following steps:
[0021] Step 1. Each student registers and logs in to the three-dimensional synchronous dynamic simulation system with their real names and conducts knife skills training on the training chopping board on the operating table.
[0022] Step 2. The data acquisition and processing device collects the pressure data and distance information of the area array pressure sensor and the laser ranging sensor, unifies the coordinate points of the pressure sensor and the coordinate points of the laser ranging in the same two-dimensional coordinate system, performs fitting analysis on the straight line formed by the pressure sensor data and the straight line formed by the laser ranging data, and forms the straight line parameters to be transmitted to the three-dimensional synchronous dynamic simulation system of the upper computer.
[0023] Step 3. The three-dimensional synchronous dynamic simulation system receives the movement trajectory and frequency of the knife in the data acquisition and processing device to be synchronized with the actions of the real knife, improving the realism of the knife skills simulation training.
[0024] Step 4. The three-dimensional synchronous dynamic simulation system has quantitative evaluation data for each cut during the training process, analyzes and calculates the data of the fitted straight lines of adjacent tool marks, and gives the training scores for each cut; finally, all the training scores are weighted and averaged to give the final score of this knife skills training.
[0025] In some embodiments of the present application, the working method further includes: making personal longitudinal comparisons and classmate horizontal comparisons of the training scores of students to accurately and objectively evaluate the training process of each student.
[0026] This platform system is equipped with a dense area array pressure sensor and a high-speed data acquisition and processing device configured in parallel to accurately collect the tool falling position, and simulates and analyzes the cutting action through digital twin technology to record, playback and retrieve relevant information during the cutting process; the system sets a knife skills performance evaluation method, and through data analysis and fusion, comprehensively digitally and intelligently manages the knife skills training work of students;
[0027] a. The system can automatically count the training time and duration of each student;
[0028] b. The system can automatically record data such as the width between tool marks, average thickness, and tool speed during the simulation of students' knife skills slicing (shredding);
[0029] c. The system can automatically form a performance change trend chart for each student's knife skills training;
[0030] d. The system can automatically quantitatively evaluate the training effect of students each time;
[0031] e. The system can form a summary report on knife skills training within a specified time period;
[0032] f. Each student needs to log in to the system with their student number and password to conduct knife skills training and complete the corresponding training duration and training objective requirements, completely eliminating the management vacuum during the students' knife skills training process;
[0033] g. Through the platform, fair intelligent knife skills simulation training is carried out to select students with excellent knife skills performance for personalized training, giving play to their exemplary role and improving the overall training effect of students; at the same time, students with relatively weak training performance are accurately identified, facilitating the precise assistance of training teachers and achieving the common progress of students.
[0034] h. Strengthen students' awe of the rules and requirements of cooking professional vocational education training, and do not give students the opportunity to avoid training or engage in speculation during the training process.
[0035] I. After implementing knife skills training through this platform and achieving the established target requirements, real ingredients are then used to invite evaluation judges to conduct standardized evaluations. This not only achieves the goal of knife skills training but also saves a large amount of ingredients.
[0036] The training platform system and working method of this application have achieved digital intelligence in the field of cooking training; the training process of students has been monitored efficiently and accurately, eliminating the phenomenon of students slacking off during the training process, and providing data support for the implementation of targeted teaching and training. BRIEF DESCRIPTION OF THE DRAWINGS
[0037] The accompanying drawings forming a part of this application are used to provide a further understanding of this application. The illustrative embodiments of this application and their descriptions are used to explain this application and do not constitute an improper limitation to this application.
[0038] Figure 1 It is a schematic structural diagram of a cooking knife intelligent simulation training platform system in some embodiments of this application;
[0039] Figure 2 It is a schematic diagram of a three-dimensional synchronous dynamic simulation system in some embodiments of this application;
[0040] Figure 3 It is a schematic structural diagram of a training chopping board in some embodiments of this application;
[0041] Figure 4 It is a schematic diagram of a planar array pressure sensor and a laser ranging sensor in some embodiments of this application;
[0042] Among them, 1. Operating table; 2. Display terminal; 3. Protective film; 4. Planar array pressure sensor; 5. Pressure sensing film soft rubber cushion layer; 6. Surface of the operating table; 7. Laser ranging sensor; 8. Data acquisition and processing device. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0043] Next, the specific embodiments of this application will be described in detail in conjunction with the accompanying drawings, but it is not a limitation of this application. To enable those skilled in the art to better understand the technical solutions of this disclosure, the following will be described in detail in conjunction with the accompanying drawings and specific embodiments. The embodiments of this disclosure will be further described in detail in conjunction with the accompanying drawings and specific embodiments, but it is not a limitation of this disclosure.
[0044] All terms used in this disclosure (including technical terms or scientific terms) have the same meaning as understood by those of ordinary skill in the art to which this disclosure belongs, unless otherwise specifically defined. It should also be understood that terms defined in a general dictionary, such as those, should be interpreted as having a meaning consistent with their meaning in the context of the relevant art, and should not be interpreted in an idealized or overly formal sense, unless specifically defined as such here.
[0045] Techniques, methods, and devices known to those of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, such techniques, methods, and devices shall be regarded as part of the specification.
[0046] The following will Figures 1-4 describe the technical solutions of this application in detail.
[0047] In some embodiments of this application, an intelligent simulation training platform system for cooking knife skills includes:
[0048] An operation table 1, on the surface of which a groove is provided;
[0049] A training chopping board, which is arranged in the groove on the surface of the operation table 6. The training chopping board successively includes a protective film 3, a matrix pressure sensor 4, and a pressure-sensitive film soft rubber cushion layer 5 from top to bottom. During the training process, when the blade presses on the matrix pressure sensor 4, the sensors at the corresponding points are activated to generate pressure data;
[0050] A laser distance sensor, which is arranged on one side of the training chopping board and is used to detect the distance data from the laser to the side of the tool during the knife skills training process;
[0051] A data acquisition and processing device 8, which is used to acquire the data of the matrix pressure sensor 4 and the laser distance sensor and perform processing;
[0052] A three-dimensional synchronous dynamic simulation system, which is used to display the movement trajectory and movement frequency of the tool during the virtual tool simulation training process in a three-dimensional scene, and at the same time instantaneously display the movement frequency of the tool, the slice thickness, the actual slicing result, and the quantitative evaluation of the training effect, and give the training score.
[0053] In some embodiments of this application, the material of the surface 6 of the operation table is stainless steel, and the matrix pressure sensor 4 is fixed on a horizontal stainless steel platform; the protective film 3 of the matrix pressure sensor 4 is a wear-resistant and cut-resistant flexible plastic film; when the tool performs cutting operations on the flexible plastic film, the blade acts on the pressure sensors at the corresponding points on the protective film 3. When the pressure reaches the preset value, the system automatically records the sensor data at the corresponding coordinate positions.
[0054] In some embodiments of this application, the matrix pressure sensor 4 is formed by cross-weaving warp and weft pressure-sensing lines, and each intersection point has a clear coordinate. When the intersection point is activated by the pressure applied by the blade to generate pressure data.
[0055] In some embodiments of this application, the matrix pressure sensor 4 can form pressure data corresponding to specific coordinate points from the pressure of the blade on the pressure sensor and form a pressure data matrix.
[0056] In some embodiments of the present application, the data acquisition and processing device 8 collects the pressure data generated by the area array pressure sensor 4 at a frequency of ten times per second, completes data cleaning, forms a straight line in a two-dimensional coordinate system based on the coordinate data of the blade pressure points, and transmits the data to the three-dimensional synchronous dynamic simulation system of the host computer;
[0057] In some embodiments of the present application, the data acquisition and processing device 8 collects the pressure data generated by the area array pressure sensor 4, and fits a straight line corresponding to the knife mark; and calculates the included angle and distance between two newly generated corresponding knife mark fitting straight lines, which are used to evaluate the knife skills level of the trainee.
[0058] In some embodiments of the present application, there are two laser distance sensors, which synchronously measure the distance from the laser head to the tool, and the data is also transmitted to the data acquisition and processing device 8; in a two-dimensional coordinate system, the coordinate data of the two laser heads and the length data of the two parallel lasers are determined to obtain knife mark data and fit them into a straight line, and the straight line parameters are transmitted to the three-dimensional synchronous dynamic simulation system of the host computer.
[0059] There are two laser distance sensors, which detect the holding posture of the tool by the trainee during the knife skills training process, and online measure the distances between the front end and the rear end fixed points of the tool.
[0060] In some embodiments of the present application, during the knife skills training process, the laser distance sensor detects the distance data from the laser to the side of the tool, and the laser distance sensor transmits the data to the data acquisition and processing device 8. The system gives a knife mark fitting straight line synchronously according to the laser distance measurement data; the coordinate data of the area array pressure sensor 4 and the laser distance sensor are placed in the same two-dimensional coordinate system and calibrated with each other to ensure the accuracy of the knife mark fitting straight line.
[0061] In some embodiments of the present application, the three-dimensional synchronous dynamic simulation system receives the data from the data acquisition and processing device 8 of the lower computer through the interface to form a data trend chart of the training results of the trainee; through the display terminal, not only can clearly see his own training simulation process, but also can immediately obtain the training result data and the progress of the training process.
[0062] In some embodiments of the present application, the three-dimensional synchronous dynamic simulation system is based on VR three-dimensional simulation technology, modeled with UNITY software, constructs a knife skills training scenario, and the movement trajectory and frequency of the knife in the simulation system of the data acquisition and processing device 8 are synchronized with the actions of the real knife, which can improve the realism of the knife skills simulation training.
[0063] In some embodiments of the present application, the three-dimensional synchronous dynamic simulation system is a knife training scene developed based on UNITY; in the three-dimensional scene, the motion trajectory and motion frequency of the tool during the virtual tool simulation training process are used to display the knife training process, and the tool movement frequency, slice thickness, slice performance and quantitative evaluation of the training effect are displayed on both sides in real time to give the training results;
[0064] In some embodiments of the present application, the three-dimensional synchronous dynamic simulation system can quantitatively evaluate the effectiveness of knife training. During the evaluation process, each student registers and logs in with real name, and starts the training process. The system can automatically record the time period and duration of each training of each student; the system has quantitative evaluation data for each knife in the training process, and analyzes and calculates the adjacent tool mark fitting straight line data, and gives a training score for each knife; finally, all the training scores are weighted and averaged to give the final result of this knife training; the system compares the students' training results vertically and horizontally with the same class, accurately and objectively evaluates each student's training process, and provides data support for the teacher's precise assistance and guidance.
[0065] In some embodiments of the present application, the training platform system also includes a storytelling simulation system for enhancing the atmosphere and sense of accomplishment of students during the training process and improving the fun of the knife skills training process.
[0066] The cooking knife skills intelligent simulation training platform system of the present application and the training chopping board can provide a basic range for students to perform knife skills training; the data acquisition and processing device 8 can collect data from the array pressure sensor 4 and the laser ranging sensor, and perform rapid processing to obtain evaluation data on the students' knife skills training results.
[0067] In some embodiments of the present application, the laser ranging sensor is fixed on the right side of the platform and is used to detect the trainee's knife holding posture during knife training, measure the distance between the front and rear end knife fixed points of the tool online, and transmit the data to the data acquisition system.
[0068] In some embodiments of the present application, the data acquisition and processing device 8 includes a single chip microcomputer and a data processing chip.
[0069] In some embodiments of the present application, after eliminating data points that do not meet the requirements from the pressure data of the sensor, the sensor position coordinate data that meets the pressure value requirements is collected by the knife server, and after the coordinate data is aggregated and calculated, the line of the knife mark is simulated, and the slope and intercept of the straight line where the knife mark is located are clarified.
[0070] In some embodiments of the present application, the laser ranging sensor transmits data to the data acquisition and processing device. The system synchronously gives a fitted straight line of the knife mark according to the laser ranging data. The coordinate data of the area array pressure sensor 4 and the laser ranging sensor are placed in the same two-dimensional coordinate system and calibrated with each other to ensure the accuracy of the fitted straight line of the knife mark.
[0071] In some other embodiments of the present application, a working method of the intelligent simulation training platform system for cooking knife skills is provided. Using the training platform system, it includes the following steps:
[0072] 1. Each student registers and logs in to the three-dimensional synchronous dynamic simulation system with real names and conducts knife skill training on the training chopping board on the operation table 1.
[0073] Conduct knife skill training.
[0074] 2. The data acquisition and processing device 8 acquires the pressure data and distance information of the area array pressure sensor 4 and the laser ranging sensor, unifies the coordinate points of the pressure sensor and the coordinate points of the laser ranging in the same two-dimensional coordinate system, and performs fitting analysis on the straight line formed by the pressure sensor data and the straight line formed by the laser ranging data, and transmits the straight line parameters to the three-dimensional synchronous dynamic simulation system of the upper computer.
[0075] 3. The three-dimensional synchronous dynamic simulation system synchronizes the movement trajectory and frequency of the knife in the data acquisition and processing device 8 with the actions of the real knife, improving the realism of the knife skill simulation training.
[0076] 4. The three-dimensional synchronous dynamic simulation system has quantitative evaluation data for each knife in the training process, analyzes and calculates the data of the adjacent fitted straight lines of the knife marks, and gives the training score for each knife. Finally, all the training scores are weighted and averaged to give the final score of this knife skill training.
[0077] In some embodiments of the present application, the working method further includes making personal longitudinal comparisons and classmate horizontal comparisons of the training scores of the students to accurately and objectively evaluate the training process of each student.
[0078] This application relates to an intelligent simulation training platform and working method for cooking knife skills, which solves the problems of difficult process supervision, subjective evaluation, and large resource waste in the process of cooking knife skills training; by constructing a semi-physical knife skills training simulation platform, the whole process supervision during the knife skills training of students is realized; a matrix pressure sensor is used to replace the traditional chopping board. When the blade acts on the pressure sensor, the pressure sensors at the corresponding coordinate points are triggered to form a data matrix, which is obtained by the data acquisition and processing device, and a fitting straight line of the knife mark is formed according to the triggered coordinate point data; at the same time, a laser ranging sensor is supplemented to determine the position and direction of the tool, and a fitting straight line of the knife mark is formed synchronously; the slopes and intercepts of the two fitting straight lines of the knife marks are in good consistency, the position of the knife mark is determined, and then the included angle and distance between two adjacent knife marks are clarified, so as to obtain the actual knife skills data; the system simulates the actual actions of the tool movement through three-dimensional dynamic following to improve the interest of the knife skills training. The synchronization system automatically realizes the dynamic quantitative evaluation of the training effectiveness of students, and forms longitudinal comparison of individual students and horizontal comparison of classes, providing data support for the training teacher to provide precise assistance.
[0079] The above are only the specific implementation manners of this application, but the protection scope of this application is not limited thereto. Any changes or substitutions that can be easily thought of by those skilled in the art within the technical scope disclosed in this application should be covered by the protection scope of this application. Therefore, the protection scope of this application should be subject to the protection scope of the claims.
Claims
1. An intelligent simulation training platform system for cooking knife skills, characterized in that Including: An operating table, on the surface of which there is a groove; A training cutting board, which is arranged in the groove on the surface of the operating table. The training cutting board successively includes a protective film, a matrix pressure sensor, and a pressure-sensitive film soft rubber cushion layer from top to bottom. During the training process, when the blade presses on the matrix pressure sensor, the sensors at the corresponding points are activated to generate pressure data; A laser distance sensor, which is arranged on one side of the training cutting board and is used to detect the distance data from the laser to the side of the tool during the knife skills training process; A data acquisition and processing device, which is used to acquire and process the data of the matrix pressure sensor and the laser distance sensor; A three-dimensional synchronous dynamic simulation system, which is used to display the knife skills training process by simulating the movement trajectory and movement frequency of the tool during the training process of the virtual tool in a three-dimensional scene. At the same time, it immediately displays the movement frequency of the tool, the slice thickness, the actual slicing results, and the quantitative evaluation of the training effect, and gives the training score.
2. The intelligent simulation training platform system for cooking knife skills according to claim 1, characterized in that, The surface material of the operating table is stainless steel, and the matrix pressure sensor is fixed on a horizontal stainless steel platform; the protective film of the matrix pressure sensor is a flexible plastic film that is resistant to wear and cutting; when the tool cuts on the flexible plastic film, the blade acts on the pressure sensor at the corresponding point on the protective film. When the pressure reaches the preset value, the system automatically records the sensor data at the corresponding coordinate position.
3. The intelligent simulation training platform system for cooking knife skills according to claim 1, characterized in that, The matrix pressure sensor is formed by cross-weaving warp and weft pressure-sensing lines, and each intersection point has a clear coordinate. When the intersection point is activated by the pressure applied by the blade to generate pressure data.
4. The intelligent simulation training platform system for cooking knife skills according to claim 1, characterized in that The data acquisition and processing device collects the pressure data generated by the matrix pressure sensor at a frequency of ten times per second, completes data cleaning, forms a straight line in a two-dimensional coordinate system according to the coordinate data of the blade pressure points, and transmits the data to the three-dimensional synchronous dynamic simulation system of the upper computer.
5. The intelligent simulation training platform system for cooking knife skills according to claim 1, characterized in that, The laser distance sensor measures the distance from the laser head to the tool, and the data is also transmitted to the data acquisition and processing device; in the two-dimensional coordinate system, the coordinate data of two laser heads and the length data of two parallel lasers are determined to obtain the knife mark data and fit it into a straight line, and the straight line parameters are transmitted to the three-dimensional synchronous dynamic simulation system of the upper computer.
6. The intelligent simulation training platform system for cooking knife skills according to claim 1, characterized in that During the knife skills training process of the laser distance sensor, the laser distance sensor detects the distance data from the laser to the side of the tool, and the laser distance sensor transmits the data to the data acquisition and processing device. The system synchronously gives a fitted straight line of the knife mark according to the laser distance measurement data; the coordinate data of the matrix pressure sensor and the laser distance sensor are placed in the same two-dimensional coordinate system and calibrated with each other to ensure the accuracy of the fitted straight line of the knife mark.
7. The intelligent simulation training platform system for cooking knife skills according to claim 1, characterized in that, The three-dimensional synchronous dynamic simulation system receives the data from the data acquisition and processing device of the lower computer through the interface. The three-dimensional synchronous dynamic simulation system is based on VR three-dimensional simulation technology and is modeled with UNITY software to construct a knife skills training scene. The system accepts the movement trajectory and frequency of the knife in the simulation system of the data acquisition and processing device to be synchronized with the actions of the real knife, which can improve the realism of the knife skills simulation training.
8. The intelligent simulation training platform system for cooking knife skills according to claim 1, wherein The three-dimensional synchronous dynamic simulation system can quantitatively evaluate the effectiveness of knife skills training. During the evaluation operation, each trainee registers and logs in with their real names and starts the training process. The system can automatically record the training time period and duration of each student for each training session. The system has quantitative evaluation data for each knife in the training process, analyzes and calculates the data of the fitted straight line of adjacent knife marks, and gives the training score for each knife. Finally, all the training scores are weighted and averaged to give the final score of this knife skills training. The system makes a personal longitudinal comparison and a classmate horizontal comparison of the trainees' training scores, accurately and objectively evaluates the training process of each trainee, and provides data support for the teacher's precise assistance and guidance.
9. A working method of an intelligent simulation training platform system for cooking knife skills, characterized in that, Using the training platform system according to any one of claims 1-8, the method includes the following steps: Step 1. Each student registers and logs in to the three-dimensional synchronous dynamic simulation system with their real names and conducts knife skills training on the training chopping board on the console. Step 2. The data acquisition and processing device collects the pressure data and distance information of the area array pressure sensor and the laser ranging sensor, unifies the coordinate points of the pressure sensor and the coordinate points of the laser ranging in the same two-dimensional coordinate system, and performs fitting analysis on the straight line formed by the pressure sensor data and the straight line formed by the laser ranging data, and transmits the straight line parameters to the three-dimensional synchronous dynamic simulation system of the upper computer. Step 3. The three-dimensional synchronous dynamic simulation system synchronizes the movement trajectory and frequency of the knife in the data acquisition and processing device with the actions of the real knife, improving the realism of the knife skills simulation training. Step 4. The three-dimensional synchronous dynamic simulation system has quantitative evaluation data for each knife in the training process, analyzes and calculates the data of the fitted straight line of adjacent knife marks, and gives the training score for each knife. Finally, all the training scores are weighted and averaged to give the final score of this knife skills training.
10. The working method of a cooking knife skills intelligent simulation training platform system according to claim 9, characterized in that, The working method further includes: making a personal longitudinal comparison and a classmate horizontal comparison of the trainees' training scores, and accurately and objectively evaluating the training process of each trainee.