Recent advances in sustainable energy and intelligent systems : 7th international conference on life system modeling and simulation, LSMS 2021 and 7th international conference on intelligent computing for sustainable energy and environment, ICSEE 2021, Ha

The three-volume set CCIS 1467, CCIS 1468, and CCIS 1469 constitutes the thoroughly refereed proceedings of the 7th International Conference on Life System Modeling and Simulation, LSMS 2021, and of the 7th International Conference on Intelligent Computing for Sustainable Energy and Environment, ICSEE 2021, held in Hangzhou, China, in October 2021. The 159 revised papers presented were carefully reviewed and selected from over 430 submissions. The papers of this volume are organized in topical sections on: Medical Imaging and Analysis Using Intelligence Computing; Biomedical signal processing, imaging, visualization and surgical robotics; Computational method in taxonomy study and neural dynamics; Intelligent medical apparatus, clinical applications and intelligent design of biochips; Power and Energy Systems; Computational Intelligence in Utilization of Clean and Renewable Energy Resources, and Intelligent Modelling, Control and Supervision for Energy Saving and Pollution Reduction; Intelligent Methods in Developing Electric Vehicles, Engines and Equipment; Intelligent Control Methods in Energy Infrastructure Development and Distributed Power Generation Systems; Intelligent Modeling, Simulation and Control of Power Electronics and Power Networks; Intelligent Techniques for Sustainable Energy and Green Built Environment, Water Treatment and Waste Management; Intelligent Robot and Simulation; Intelligent Data Processing, Analysis and Control in Complex Systems; Advanced Neural Network Theory and Algorithms; Advanced Computational Methods and Applications; Fuzzy, Neural, and Fuzzy-neuro Hybrids; Intelligent Modelling, Monitoring, and Control of Complex Nonlinear Systems; Intelligent manufacturing, autonomous systems, intelligent robotic systems; Computational Intelligence and Applications. Preface Organization Contents – Part II Power and Energy Systems Coordinative Voltage Control of Building in Supporting Electric Vehicle Integration in Distribution Networks 1 Introduction 2 Potential of HPs in Supporting EV Integration 2.1 Load Profile 2.2 EV and HP Coordination Within One House 2.3 EV and HP Loads Within Multiple Houses 3 Impacts on the Electricity Distribution Network 3.1 Scenario 1 – EVs and HPs at Every House Without Coordination 3.2 Scenario 2 – EVs and HPs with Coordination Within a Single House 3.3 Scenario 3 – EVs and HPs at Every House with Coordination of Multiple House on the Network 4 Conclusion References Intellectualizing Network Distribution: A Case in the Ruyi New District in Hohhot 1 Introduction 2 Results and Discuss 2.1 The Intellectualizing Upgradation of the Present Distribution Network 2.2 Construction of the Intelligent Distribution Network 3 Conclusion References Classifications of Lithium-Ion Battery Electrode Property Based on Support Vector Machine with Various Kernels 1 Introduction 2 Key Steps in Battery Electrode Manufacturing 3 Technology 3.1 Support Vector Machine Classification 3.2 Performance Indicators 4 Result and Discussion 5 Conclusions References Robot Platform for Live Working in Distribution Network 1 Introduction 2 Robot Platform Design 2.1 Mobile Chassis 2.2 Upper Installation System 2.3 Control System 3 Finite Element Analysis 4 Experiments 4.1 Mechanical Performance Test of Insulating Arm 4.2 Electrical Performance Test 4.3 Application Test 5 Conclusion References A Novel Optimization Algorithm for Solving Parameters Identification of Battery Model 1 Introduction 2 Model and Problem Approach 2.1 Battery Energy Store Model 2.2 Relation Curve Between OCV and SOC 2.3 Objective Function 3 Improved JAYA Algorithm 3.1 Self-adaptive Weight 3.2 Experience-Based Learning Strategy 3.3 Chaotic Elite Learning Method 4 Results and Analysis 5 Conclusions References Steady-State Modeling and Power Flow Calculation of Integrated Electric-Gas Coupling Energy System Based on Energy Circuit Theory 1 Introduction 2 Integrated Energy System Modeling Based on the Energy Circuit Theory of Electric-Gas Coupling 2.1 Unified Energy Approach Methodology 2.2 Mathematical Model of Electrical Interrotation Based on Unified Energy Circuit Theory 2.3 Steady-State Model of Gas Path 2.4 Power Grid Model 3 PSO-Newton Power Flow Calculation Method 4 Analysis of Calculation Examples 5 Conclusion References Study on the Prediction of Indoor Temperature and Thermal Load on Different Floors in a Community 1 Introduction 2 Typical User Analysis of the Community 3 Methods 3.1 Correlation Analysis of Input Variables 3.2 Methods 4 Analysis of Results and Discussion 4.1 Thermal Demand 4.2 TA-1,TA-2,TA-6Predictive Analysis 4.3 TLPrediction 5 Conclusion References Multi-objective Optimization of Electric Vehicle and Unit Commitment Considering Users Satisfaction: An Improved MOEA/D Algorithm 1 Introduction 2 Problem Model 2.1 The Objective Function 2.2 Limitations of the Model 3 Improvement of MOEA/D Algorithm 3.1 Limitations of the Model 3.2 Improvement of Solution Update Mode 3.3 Selection of the Optimal Value 3.4 Algorithm Steps 4 Experimental Results and Analysis 4.1 Parameter Description 4.2 The Experimental Results Show 5 Conclusion References Modeling of Supercritical Once-Through Boiler-Turbine Units Based on Improved Sine and Cosine Algorithm 1 Introduction 2 Model Description 2.1 The Pulverizing System 2.2 The Boiler and Attemperator Section 2.3 The Turbine Section 3 Improved Sine and Cosine Algorithm 4 Parameter Identification and Simulation 4.1 Unknown Function 4.2 Illustrative Example 5 Conclusion References Energy Storage Capacity Optimization for Deviation Compensation in Dispatching Grid-Connected Wind Power 1 Introduction 2 The Impact of Scheduling Deviation Distribution Characteristics on Energy Storage Capacity Allocation 2.1 Error Distribution Analysis 2.2 The Energy Storage Capacity Demand for Deviation Compensation 3 Optimal Energy Storage Capacity Allocation Considering Load Variation and Operating Costs in Power System Dispatch 3.1 Scheduling Optimization Considering Load Variations 3.2 Scheduling Optimizing Considering Operating Costs 4 A Case Study 5 Discussions and Conclusions 6 Patents References An H-ELM Based Equivalent Droop Control for Hybrid Power Systems 1 Introduction 2 Droop Control of PV Power Plant and BESS 2.1 Droop Control of BESS 2.2 Droop Control of PV 3 Equivalent Droop Control of Hybrid Power System 3.1 H-ELM 3.2 ELM Neural Network 3.3 ELM Sparse Autoencoder 3.4 Training Data of H-ELM 4 Simulation Results 5 Conclusion References Energy-Efficient Operation Curve Optimization for High-Speed Train Based on GSO Algorithm 1 Introduction 2 Analysis of Energy-Saving Operation and Its Control Impact Based on ATO 2.1 Analysis of High-Speed Train Operation Process 2.2 Analysis of High-Speed Train Operation Manipulation Strategy 3 Energy-Efficient Operation System Method and Basic Control Strategy 3.1 Performance Indicators for Operating Curve Optimization 3.2 Analysis of Train Operation Curve Optimization Process 4 Solution Methodology Based on GSO Algorithm 5 Simulation and Verification 6 Conclusion and Summary References Research on Punctual and Energy-Efficient Train Driving Strategy Based on Two-Stage Allocation of Redundant Running Time 1 Introduction 2 Energy-Efficient Train Control Problem 2.1 The Train Dynamics 2.2 Train Driving Regimes 2.3 Train Energy Consumption Modelling 2.4 Mathematical Model of Energy-Efficient Train Control 3 Two-Stage Allocation of Redundant Running Time 3.1 Time-Optimal Speed Profile 3.2 Energy-Efficient Sequence of Driving Regimes 3.3 Two-Stage Allocation of Redundant Running Time 3.4 Relationship Between Allocated Redundant Running Time and Saved Energy 4 Case Study 4.1 Data of Train and Line 4.2 Time-Optimal Speed Profile 4.3 First-Stage Optimized Speed Profile 4.4 Second-Stage Optimized Speed Profile 5 Conclusion References Computational Intelligence in Utilization of Clean and Renewable Energy Resources, and Intelligent Modelling, Control and Supervision for Energy Saving and Pollution Reduction Optimization Design of Flexible Solar Cell Interconnect Based on Submodel Method 1 Introduction 2 Research Object and Physical Model 3 Finite Element Analysis of the Model 3.1 FE Analysis of the Full Model 3.2 FE Analysis of Interconnect Submodel 4 Optimal Design of Stress-Reducing Ring 4.1 Mathematical Model of Optimization 4.2 Optimization Algorithm 4.3 Optimization Result 5 Conclusion References Hybrid Neural Network Method of the Lithium-Ion Battery Remaining Useful Life Prediction 1 Introduction 2 Hybrid Neural Network 3 Prediction Experiment and Analysis 3.1 Research Contents 3.2 Data Source and Prediction Evaluation Criteria 3.3 Model Prediction Experiment 3.4 Comparisons of Different Prediction Methods 4 Conclusion References A New Kind of Cross Line Based Crossover Used for Energy Saving and Security Enhancement of Industrial Wireless System 1 Introduction 2 Signal Propagation Loss Analysis 3 Beamforming Theory Analysis 4 Structure of the Crossover 5 Validation 6 Conclusion References Review of Machine Learning for Short Term Load Forecasting 1 Introduction 2 A Brief Introduction to Machine Learning for LSTM 2.1 ANN 2.2 SVM 2.3 KNN 2.4 Related Work 3 Conclusion References Design of an Online Detection System for High-Power Submerged Arc Furnace with Magnetic Field Difference 1 Introduction 2 Magnetic Field Differential Array Detection Model 3 System Design and Implementation 4 System Solution Verification 5 Conclusion References Distributed Model Predictive Active Power Control for Large-Scale Wind Farm Based on ADMM Algorithm 1 Introduction 2 Architecture of DMPC 2.1 Configuration of a Wind Farm 2.2 Concept of DMPC 3 DMPC Active Power Control of Wind Farm 3.1 Predictive Model 3.2 Optimization Problem Formulation 3.3 Solution Based on ADMM 4 Case Study 5 Conclusion References Modelling and Practical Stability Analysis of Wind Turbines with Battery Energy Storage System Based on Dwell Time 1 Introduction 2 Modelling of WT/BESS 2.1 Modelling of WT 2.2 BESS Model 2.3 Modelling of WT/BESS 3 Practical Stability Based on the Dwell Time for WT/BESS 4 Simulation Result 5 Conclusion References Intelligent Methods in Developing Electric Vehicles, Energy Conversion Devices and Equipment Design of DC Electric Parameter Measurement System 1 Introduction 2 System Design 2.1 MCU Minimum System 2.2 Voltage Acquisition Module 2.3 Resistance Measurement Module 2.4 Alarm Module 2.5 Display Module 3 The Program Design 4 Circuit Simulation 5 Experimental Verification 6 Conclusion References Research on V2G Reactive Power Compensation and Optimization Strategy Based on Genetic Algorithm Optimization 1 Introduction 1.1 The Feasibility of Adjusting Power Factor of V2G Charging Pile System 2 Monte Carlo Modeling of Charging Stations 2.1 Modeling of User Charging Habits Based on Multi-purpose Charging Stations 2.2 Combining IEEE100 Node and Power Flow Calculation Modeling 3 Process Design of Load Peak-Valley Difference Rate Based on Genetic Algorithm Control 4 Simulation Analysis 5 Conclusion References Power Battery Reverse Logistics Network Optimization Model Under Tax Relief Policy 1 Introduction 2 Model Establishment 2.1 Problem Description 2.2 Mathematical Formulation 3 Model Solution 3.1 Genetic Algorithm 3.2 Hybrid Algorithm Design Optimization Process 4 Numerical Examples 4.1 Validation Model 4.2 Analysis on the Influence of Tax Policy 5 Conclusion References The Research on Ventilation Cooling System for DLP Laser Projector 1 Introduction 2 The Design of Forced Ventilation Cooling System 2.1 The Design of Ventilation Structure 2.2 Ventilation System Calculation 3 Simulation of Ventilation System of Laser Projector 3.1 Model and Boundary Condition 3.2 The Result of the Simulation of Ventilation Duct System 4 Temperature Tests and Conclusions References Velocity Prediction Based Model Predictive Control for Energy Management in Land and Air Vehicle with Turboshaft Engine 1 Introduction 2 Configuration and Modeling 2.1 Configuration 2.2 Modeling 3 Velocity Prediction Based MPC (VPMPC) for EMS 3.1 Problem Statement 3.2 Deep Learning Based Velocity Prediction 3.3 Prediction Model and Objective Function for VPMPC 4 Results and Discussion 4.1 Simulation Validation of Turboshaft Engine Dynamics Model 4.2 Simulation of EMS Based on VPMPC 4.3 Weight Coefficient of VPMPC 5 Conclusion References Networked Active Suspension Control of In-Wheel Motor Driven Electric Vehicles Under Aperiodic Sampling and Transmission Delays 1 Introduction 2 Problem Formulation 2.1 An Uncertain Half-Vehicle Active Suspension Dynamic Model 2.2 A T-S Fuzzy Model of the Uncertain HVAS System 2.3 A Networked Controller 2.4 Control Objectives of the HVAS System 3 Main Results 3.1 Stability and H Performance Analysis 3.2 Networked H Controller Design 4 Simulation Results 5 Conclusion References Sparse Control of Decentralized Systems 1 Introduction 2 Problem Formulation 3 HStability Analysis 4 Design of a HController with Control Channel Sparsity 5 Simulation Examples 6 Conclusion References Intelligent Control Methods in Energy Infrastructure Development and Distributed Power Generation Systems Design of Gas Flow Standard Device by the Master Meter Method Based on Synchronous Pulse Counting Method 1 Introduction 2 Device Overview and Overall Design 3 Device Principle 4 Synchronous Pulse Counting Method 4.1 Realization of Synchronous Pulse Counting Method 5 Software Design 5.1 Interface Design 5.2 Data Structure Design 5.3 Function Module Design 6 Verification of Measurement Results 7 Conclusion References Distributed Photovoltaic Grid-Connected Evaluation Method Based on Analytic Hierarchy Process and Radar Chart 1 Introduction 2 Design of Evaluation Index 3 Algorithm Principle 3.1 Analytical Hierarchy Process 3.2 Rate Chart Method 4 Example Analysis 4.1 Weight Calculation 4.2 Multifactorial Evaluation 5 Conclusion References Coordinated Setting Method of PSS and PSVR Parameters in Generator 1 Introduction 2 PSS and PSVR 3 Power Angle Oscillation Modes and Voltage Oscillation Modes 3.1 Eigenvalue Analysis 3.2 Power Angle Oscillation Modes of Multi-machine System 3.3 Voltage Oscillation Modes of Multi-machine System 4 Parameters Setting Method of PSS and PSVR 4.1 Parameters Setting Method of PSS 4.2 Dynamic Voltage Characteristic of the Generator 4.3 Parameters Setting Method of PSVR 5 Results and Analysis 6 Conclusions References Planning of Rail Connected PV Operation and Maintenance Robot Based on NSGA-II Algorithm 1 Introduction 2 Optimization Model of Intelligent Operation and Maintenance of Photovoltaic Panel 2.1 Problem Description 2.2 Problem Assumptions 2.3 Symbol Definition 2.4 Establishment of Multi-objective Models 3 NSGA-II Algorithm Solving Model 4 Example Analysis 5 Conclusions References A Defect Detection Method for Optical Fiber Preform Based on Machine Vision 1 Introduction 2 Types of Fiber Preform Defects 3 Defect Detection Algorithm of Optical Fiber Preform Based on Full-Angle Image 3.1 Positioning the Boundary of Optical Fiber Preform 3.2 Image Preprocessing 3.3 Track Defects and Calculate the Location of Defects 3.4 Calculate Defect Size 4 Experimental Platform and Experimental Analysis 4.1 Experimental Platform 4.2 Experimental Analysis 5 Conclusion References Research on the Orderly Charging Strategy of EV in Regional Energy System Based on NSGA-IIand Monte Carlo 1 Introduction 2 Orderly Charging Strategy for EV Based on Time-of-Use 3 EV Charging Response Model 3.1 Objective Function 3.2 Constraint Conditions 3.3 Solving Method 4 Charging Load Prediction Based on Monte Carlo 5 Optimization Process of Time-of-Use Based on K-meansClustering Algorithm 6 Algorithm Validation 6.1 Scenario Simulation 6.2 Model Assumptions 6.3 Time-of-Use Scheme 6.4 Solving for EV Charging Load Based on Time-of-Use 7 Summary References Intelligent Modeling, Simulation and Control of Power Electronics and Power Networks Interface Modeling and Analysis of Interphase-Delay Induced Charge Imbalance in Neural Stimulator Design 1 Introduction 2 Electrode-Electrolyte Interface Model 3 Quantitative Analysis Based on Electrode-Electrolyte Interface Model 3.1 Voltage Analysis on the Electrode-Electrolyte Interface Model 3.2 Analysis of Charge Imbalance in the Electrode-Electrolyte Interface Model 4 Model Accuracy Verification and Imbalanced Charge Analysis 5 Conclusion References Non-fragile Sliding Mode Control for Enterprise Knowledge Workers System with Time Delay 1 Introduction 2 Problem Formulation 3 Design of Non-fragile Integral Sliding Mode Control 3.1 Design of Integral Sliding Surface 3.2 Stability Analysis of Sliding Motion 3.3 Design of Non-fragile Sliding Mode Control Law 4 Simulation Results 5 Conclusion References Adaptive Load Frequency Control in Multi-area Power Systems with Distributed Traffic Attacks Based on Deterministic Network Calculus 1 Introduction 2 Upper Transmission Delay Bound Calculation Under Attack 3 Controller Design 4 Simulation Results and Discussions 4.1 Transmission Performance Analysis Under Distributed Traffic Attack 4.2 Control Performance Analysis 5 Conclusion References Simulation of Electrofusion Parameters of PE Saddle Pipe Based on Finite Element Analysis of Temperature Field 1 Introduction 2 Analysis Model of Temperature Field 2.1 Heat Conduction Model 2.2 Simulation Geometry Model 3 Analysis on Temperature Field in Electrofusion Joint 3.1 Analysis Condition Setting 3.2 Cloud Map of Temperature Field 3.3 Analysis of Temperature Field of Each Section 3.4 Analysis of Highest Temperature of Different Nodes 4 Conclusion References Research on Controlling Method of Welding Temperature of PE Electrofusion Pipe Fittings Based on Simulation of Temperature Field 1 Introduction 2 Simulation Model of the Temperature Field 3 Analysis of Simulation Data of Temperature Field 4 Optimized Method of Variable Voltage Control Temperature 5 Conclusions References Wireless Network Simulation Platform Based on OPNET and Simulink 1 Introduction 2 Design Principle 2.1 OPNET/Simulink Co-simulation Platform 2.2 MANET Routing Protocol 2.3 Combination of Co-simulation and Routing Protocol 3 Model Design 3.1 Network Model 3.2 Node Model 3.3 Process Model 4 Simulation Results 5 Conclusion References Energy Storage Power Control Strategy Based on Adaptive Parameter Virtual Synchronous Generator 1 Introduction 2 Analysis of Relationship Between Dynamic Parameters and Performance of Virtual Synchronous Generator 3 Energy Storage Power Control Strategy Based on Virtual Synchronous Generator 3.1 Energy Storage Power Conversion Control System 3.2 Adaptive Parameter Adjustment Method of Virtual Synchronous Generator 4 Simulation Analysis 5 Conclusion References Intelligent Techniques for Sustainable Energy and Green Built Environment, Water Treatment and Waste Management An Open Model of All-Vanadium Redox Flow Battery Based on Material Parameters of Key Components 1 Introduction 2 The Composition and Chemical Principle of the Battery 3 The Influence of the Parameters of Each Component on the Battery Performance 3.1 Electrode 3.2 Ion Exchange Membrane 3.3 Electrolyte 3.4 Bipolar Plate 4 Simulation Implementation and Application 5 Conclusion References Simulating Energy-Saving and Consuming Behaviours in the Design and Manufacturing Process with Adjacent Networks 1 Introduction 2 Decision Algorithm of Energy-Saving and Consumption Reduction Behaviour in a Network Adjacency Relationship 3 Simulation of Energy-Saving and Consumption Reduction Behaviour in Design and Manufacturing Process 3.1 Energy Consumption in Design and Manufacturing Process 3.2 Establishment of Network Adjacency Model 4 Simulation Results and Verification 4.1 Analog Result 4.2 Analysis of Simulation Results 5 Verification and Analysis 6 Conclusion References Optimal Defense Resource Allocation and Geographically Feasible Hexagonal Topology Construction for Power Grid Security 1 Introduction 2 Optimal Resource Allocation Strategies 2.1 Structure of Power Grid 2.2 Risk Function 2.3 Optimal Resource Allocation Strategy 3 Improved Loss Function and Allocation Strategies 4 Geographical Knowledge Based Grid Construction 4.1 Hexagonal City Group 4.2 Groups of Hexagonal City Groups 5 Conclusion References Optimization on the Coefficients of Multi-node Bilateral Control Model 1 Introduction 2 Problem Formulation 2.1 System Description 2.2 Stability Analysis 3 Determination of Weight Coefficient of Node information 3.1 Generating the Coefficients 3.2 Testing Stability of the Coefficients 4 Numerical Simulation 5 Conclusion References Research on Regional Air Conditioning Temperature Energy Consumption Model Based on Regression Analysis 1 Introduction 2 Improved Clustering Algorithm 3 Household Air-Conditioning Temperature-Energy Consumption Model 3.1 Selection and Classification of Typical Houses 3.2 Typical Energy Consumption Model 4 Regional Air-Conditioning Energy Consumption Forecast 4.1 Regional Energy Consumption Modeling 4.2 Regional Electricity Consumption Forecast and Analysis 5 Conclusion References Parameter Optimization Method of EWM Rectangular Reducer Based on RSM-MOGA 1 Introduction 2 Description of Structure Optimization Problem 2.1 Three-Dimensional Modeling and Verification of Rectangular Reducer 2.2 Setting of Design Variables, Optimization Goals and Constraints 2.3 Optimization Design Idea 3 Establishment and Verification of Response Surface Model 3.1 Model Building 3.2 Model Fit 4 Structure Optimization Method Based on Pressure Loss Constraint 4.1 Multi-objective Optimization Based on Genetic Algorithm 4.2 Simulation Verification of Optimization Results 5 Conclusion References A Study on Forest Flame Recognition of UAV Based on YOLO-V3 Improved Algorithm 1 Introduction 2 Flame Recognition Algorithm 2.1 Flame Recognition Algorithm 3 Analysis of the Experimental Results 3.1 Experimental Environment 3.2 Comparison of the Experimental Results 4 Conclusion References Water Quality Prediction Based on Data Mining and LSTM Neural Network 1 Introduction 2 River Forecasting Model 2.1 Influencing Factors of River Water Quality 2.2 Influencing Factors of River Water Quality 3 Empirical Method 3.1 Grey Correlation Method 3.2 Linear Regression Model (LRM) 3.3 LSTM Neural Network 4 Simulation Example and Experimental Demonstration 5 Conclusion References Real-Time Adjustment and Control of Three-Phase Load Balance Based on Change-Phase Switch 1 Introduction 2 System Composition and Working Principle 2.1 Main Components of the System 2.2 Change-Phase Control Switch 2.3 Intelligent Change-Phase Terminal 3 Load Balancing Real-Time Control Strategy 3.1 Establishment of Objective Function 3.2 Optimization Algorithm to Solve the Model 4 Algorithm Simulation and System Experiment Analysis 4.1 Algorithm Simulation Analysis 4.2 Load Balance Control System Experiment 5 Conclusion References Multiphysics Simulation Research on Microwave Drying of Municipal Sludge 1 Introduction 2 Numerical Building and Experimental Process 2.1 Model Constraints 2.2 Geometry 2.3 Governing Equations 2.4 Boundary Conditions 2.5 Mesh Quality 3 Results and Discussion 3.1 Influences of Microwave Power 3.2 Influences of Sludge Content and Sludge Thickness 3.3 The Influence of Sludge Position in the Cavity 4 Summary References Quantitative Data Cleaning and Analysis for Large Databases of Passenger Car Fuel Consumptions 1 Introduction 2 Literature Review 3 Data Alignment and Failure Mode 3.1 A Subsection Sample 3.2 Failure Mode 4 Fitting Power-Law Model to Data 4.1 Preliminary Check 4.2 Parameter Estimation 4.3 Goodness-Of-Fit Test 4.4 Comparisons with Other Distributions 4.5 Fitting Results of One-Week Trip Survey Datasets 5 Fuel Consumption Data Analysis 6 Conclusion References Author Index