Abstract

To achieve sustainable development and improve market competitiveness, many manufacturers are transforming from traditional product manufacturing to service manufacturing. In this trend, the product service system (PSS) has become the mainstream of supply to satisfy customers with individualized products and service combinations. The diversified customer requirements can be realized by the PSS configuration based on modular design. PSS configuration can be deemed as a multi-classification problem. Customer requirements are input, and specific PSS is output. This paper proposes an improved support vector machine (SVM) model optimized by principal component analysis (PCA) and the quantum particle swarm optimization (QPSO) algorithm, which is defined as a PCA-QPSO-SVM model. The model is used to solve the PSS configuration problem. The PCA method is used to reduce the dimension of the customer requirements, and the QPSO is used to optimize the internal parameters of the SVM to improve the prediction accuracy of the SVM classifier. In the case study, a dataset for central air conditioning PSS configuration is used to construct and test the PCA-QPSO-SVM model, and the optimal PSS configuration can be predicted well for specific customer requirements.

Highlights

  • The principal component analysis (PCA) algorithm is used to reduce the dimension of the customer requirements, the processed dataset is used in the training set and testing set

  • The calculation process of the quantum particle swarm optimization (QPSO) algorithm is as follows: The term mbest is introduced in the QPSO algorithm, which represents the average value of pbest

  • This paper proposes a PCA-QPSO-support vector machine (SVM) model and uses it to solve the product service system (PSS) configuration problem

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Summary

Introduction

As the product market is nearly saturated, it is getting more challenging for manufacturers to satisfy diversified and individualized consumer requirements. This paper uses the PCA algorithm to reduce the dimension of customer requirements. The QPSO algorithm uses the Monte Carlo method to calculate the optimal position of the quantum particle to make sure the global randomness. It has the advantage of a fast convergence rate, and its fitness value is better than that of the traditional PSO [24,25]. The third task is to construct and test a PCA-QPSO-SVM model to predict PSS configuration. The PCA-QPSO-SVM model can predict a PSS configuration for specific customer requirements. In. Section 5, the PSS configuration model based on PCA-QPSO-SVM is illustrated in detail.

PSS Design
PSS Configuration
PSS Configuration Optimization
Research Framework
Research
Principal
Quantum Particle Swarm Optimization Algorithm
M pbesti
Support Vector Machine
Optimization of the SVM Parameters
Data Collecting and Processing
Construction of the PCA-QPSO-SVM Model for PSS Configuration
Case Study
Data Coding and Features Analysis
Dimension Reduction of Requirement Feature
Distribution
QPSO-SVM Model Construction and Parameters Setting
Prediction and Comparative Analysis of PCA-QPSO-SVM Model
Findings
Discussion of Results
Conclusions and Future Research

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