Note: Intro -- Preface -- Contents -- About the Editors -- Mechatronics -- 1 Simulation of Off-Wheel Problem of Triangle Tracked Vehicle Based on RecurDyn -- Abstract -- 1 Introduction -- 2 Structure and Relevant Technical Parameters of Triangular Track -- 3 Simulation Test -- 3.1 Virtual Prototype Modeling -- 3.2 Simulation Test on off-Wheel Problem of Track -- 3.3 Simulation Test on Vehicle S Bend -- 4 Conclusion -- References -- 2 Brief Design Requirements of Screen Printing Stencil -- Abstract -- 1 Introduction -- 2 Stencil Design -- 2.1 Frame Design of Circuit Board Stencil -- 2.2 Design of Stencil Tension Net -- 2.3 Mark Point Design of Stencil -- 2.4 Aperture Design of Stencil -- 2.5 Thickness Design of Stencil -- 3 Requirements for Opening Size and Shape of Stencil -- 3.1 Chip Components-Resistors, Inductors, Capacitors -- 3.2 Power MOSFET -- 3.3 QFP, SOP, QFN, IC -- 3.4 BGA -- 4 Conclusion -- References -- 3 Review of Improved Collaborative Filtering Recommendation Algorithms -- Abstract -- 1 Introduction -- 2 Overview of Traditional Collaborative Filtering Algorithms -- 2.1 User-Based Collaborative Filtering Recommendation Algorithm -- 2.2 Item-Based Collaborative Filtering Recommendation Algorithm -- 2.3 Model-Based Collaborative Filtering Recommendation Algorithm -- 3 Improvement and Application of Collaborative Filtering Algorithm -- 3.1 The New Theory Is Introduced into Collaborative Filtering -- 3.2 Data Dynamic Analysis Combined with Collaborative Filtering -- 3.3 Combination of Data Rule Mining and Collaborative Filtering -- 4 Conclusion -- References -- 4 A Preliminary Study on the Application of Computer Technology in Physical Education -- Abstract -- 1 Introduction -- 2 Design of Instructional Model of Autonomous Physical Education Based on Computer Technology -- 2.1 Part Before Class -- 2.2 Part in Class -- 2.3 Part After Class. , 3 Application Analysis of Physical Education Teaching Model Based on Computer Technology -- 3.1 Experimental Subject -- 3.2 Experimental Procedure -- 3.3 Experimental Method -- 3.4 Experimental Result -- 4 Conclusion -- References -- Intelligent Systems -- 5 Design of Archives Management System for Teaching -- Abstract -- 1 Introduction -- 2 Requirement Analysis of System and Database Design -- 2.1 Requirement Analysis -- 2.2 System Functional Structure Design -- 2.3 Database Design -- 3 System Function Realization -- 3.1 Login Module Design -- 3.2 Registration Module Design -- 4 System Test and Operation Result Analysis -- 5 Conclusion -- Acknowledgements -- References -- 6 An Algorithm for Distinguishing Between Speech and Music -- Abstract -- 1 Introduction -- 2 Audio-Related Features -- 3 Algorithm Steps -- 4 Experimental Result -- 5 Summary -- Acknowledgements -- References -- 7 Research on Multiple Overlapping Speakers Number Recognition Based on X-Vector -- Abstract -- 1 Introduction -- 2 Approach -- 2.1 X-Vector -- 2.2 Data Preprocessing -- 2.3 Improving of Feature Extraction -- 3 Experimental Results -- 4 Conclusions -- References -- 8 Discussion on Production Technology and Testing Technology of 1553B Bus Cable Net for Satellite -- Abstract -- 1 Introduction -- 2 Composition of 1553B Bus Cable -- 2.1 1553B Cable Structure -- 2.2 Composition of 1553B Bus Cable -- 3 1553B Bus Cable Network Assembly Process -- 4 1553B Bus Cable Network Installation Quality Test -- 4.1 Bus Cable Net Appearance Inspection -- 4.2 1553B Bus Cable Network Static Performance Test -- 4.3 1553B Bus Cable Network Dynamic Performance Test -- 5 Conclusion -- References -- 9 Feasibility Analysis of Venture Capital Committee in the Innovative Design of Class Management in Colleges and Universities -- Abstract -- 1 Introduction. , 2 Major Pain Points of Class Management in Colleges and Universities -- 2.1 Different Opinions About Head Teacher's Impact on Class -- 2.2 Weak Initiative of Class Cadre -- 2.3 A General Lack of Class Fee -- 2.4 Little Contact with Classes After Graduation -- 3 Pain Points Analysis of Class Management in Colleges and Universities -- 3.1 Urgent Need of System Construction Innovation -- 3.2 Difference in Value Proposition -- 3.3 Foundation -- 3.4 Repulsion and Practical Difficulties -- 4 Innovative Design of Class Management in Colleges and Universities -- 4.1 Description of Class Management Tools -- 4.2 The Feasibility Analysis of Innovative Design -- 5 Conclusions -- Acknowledgements -- References -- 10 A Survey and Study on Satisfaction and Influencing Factors Using Ant Credit Pay via Intelligent Processing -- Abstract -- 1 Introduction -- 2 Literature Review -- 3 Data Analysis Method and Theoretical Basis -- 3.1 Chi-Square Test Principle -- 3.2 Principle of Correlation Analysis -- 3.3 Satisfaction Principle -- 3.4 Establishing the Satisfaction Index System -- 4 Analysis on the Satisfaction and Influencing Factors -- 4.1 Reliability Analysis and Validity Analysis of Data -- 4.2 Analysis of College Students' Satisfaction with Using "Ant Credit Pay" -- 4.3 Analysis of College Students' Satisfaction -- 4.4 Analysis of Influencing Factors -- 5 Some Suggestions -- 5.1 Individual Consumption Needs to Be Tailored -- 5.2 Pay Attention to Self-credit and Enhance Self-protection Consciousness -- 5.3 Appropriately Reduce the Withdrawal Procedure Rate and Expand the Use of "Ant Credit Pay" in Daily Life -- References -- 11 A Review on Main Optimization Method of ALBERT in Natural Language Processing -- Abstract -- 1 Introduction -- 2 Recent Development -- 3 Solve the Problem of Insufficient Text Word Vector Learning by Classifying the Output Features of ALBERT. , 4 Solve the Problem of Gradient Explosion and Disappearance in the Process of Long Text Training by Combining the Bi-LSTM Model -- 5 By Combining CRF Model to Better Recognize Long Texts -- 6 By Combining the BiGRU Model to Maximize the Preservation of the Semantic Association of Word Vectors in Long Texts -- 7 Conclusion -- References -- 12 Study on the Influencing Factors of Customer Loyalty in Large Smart Home Furnishing Stores -- Abstract -- 1 Introduction -- 2 Related Theory of Influencing Factors of Customer Loyalty -- 2.1 Experience Marketing -- 2.2 Customer Satisfaction -- 2.3 Measurement of Customer Loyalty -- 3 Establishment of Influencing Factor Model of Customer Loyalty -- 3.1 Selection of Modeling Dimension -- 3.2 Research Hypothesis -- 3.3 Description of Research Model -- 4 Data Analysis on Influencing Factors of Customer Loyalty -- 4.1 Reliability Test -- 4.2 Correlation Analysis -- 4.3 Regression Analysis -- 5 Summary -- References -- 13 A Detection Algorithm of Lung Nodule Based on Faster R-CNN -- Abstract -- 1 Introduction -- 2 Deep Learning Detection Framework and Faster R-CNN -- 2.1 Feature Extraction Network -- 2.2 RPN -- 2.3 ROI Pooling -- 2.4 Classifier -- 3 Pulmonary Nodule Detection Network -- 3.1 Improvement of Feature Extraction Network -- 3.2 Modify Anchors -- 4 Experimental Data and Result Verification -- 4.1 Dataset -- 4.2 Evaluation Criterion -- 4.3 Experimental Result -- 5 Conclusion -- References -- 14 Information Extraction from Contract Based on BERT-BiLSTM-CRF -- Abstract -- 1 Introduction -- 2 Related Research -- 3 Algorithm Model -- 3.1 Contract-Based Language Model (BERT) -- 3.2 BiLSTM-CRF Method Based on Migration Optimization -- 4 Test Results and Analysis -- 5 Concluding Remarks -- References -- 15 Research on Linear Detection Technology for Massive MIMO in Wireless Communications -- Abstract. , 1 Introduction -- 2 Model of Massive MIMO Uplink System -- 3 Linear Detection Algorithm for Massive MIMO System -- 3.1 Linear Detection Algorithm -- 3.1.1 Maximum Ratio Combining Algorithm (MRC) -- 3.1.2 Zero-Forcing Algorithm (ZF) -- 3.1.3 Minimum Mean Square Error Detection Algorithm (MMSE) -- 3.2 Simulation -- 4 Conclusion -- References -- 16 Research on Intelligent Reconfiguration and Recognition Technology of Mobile Environment for Substation Operation -- Abstract -- 1 Introduction -- 2 Object Scanning and Modeling -- 3 Modeling and Scanning Modeling of Dynamic Complex Environment -- 4 Weak Supervision Instance Segmentation of Substation Equipment Based on RGB-T Self Labeling -- 5 Model Compression and Acceleration for Edge Devices -- 6 Research and Development of Environment Intelligent Reconfiguration and Recognition Prototype System for Mobile Side Software and Hardware Platform -- 7 Conclusion -- References -- 17 Development and Application of Power Grid Disaster Intelligent Perception and Emergency Command System -- Abstract -- 1 Introduction -- 2 Electric Power Disaster Emergency Situation Map and 3D Visual Command Technology -- 3 Research and Development of Power Grid Disaster Intelligent Perception and Emergency Command Prototype System -- 4 Conclusions -- Acknowledgements -- References -- 18 Research on State Perception of Power Grid Equipment Based on Intelligent Analysis of Multi-Spectral Data -- Abstract -- 1 Introduction -- 2 Feature Distribution and Time-Domain Correlation of PoWer Equipment Status Under Different Spectrums -- 3 Online Monitoring and Fault Warning of Electrical Equipment Status of Stations and Transmission Lines -- 4 Establish a Sample Library of Power Equipment Faults Based on Three-Light Fusion Imaging -- 5 Comprehensive Evaluation Method of Multi-Spectral Data Analysis Model -- 6 Conclusions -- Acknowledgements. , References.