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Author:

Zhao, Lidong (Zhao, Lidong.) | Zhang, Xueyun (Zhang, Xueyun.) | Zhao, Zhi (Zhao, Zhi.) | Ma, Limin (Ma, Limin.) | Wu, Lifang (Wu, Lifang.) (Scholars:毋立芳)

Indexed by:

EI Scopus SCIE

Abstract:

Existing methods for detecting anomalies in digital light processing (DLP) 3D printing and performing in-situ repairs can reduce most defects and improve success rates. However, since printing control parameters cannot adapt to real-time printing conditions, anomalies may persist across successive layers, and continuous repairs could ultimately lead to printing failure. Therefore, achieving stable printing quality requires integrating anomaly detection with the dynamic adjustment of control parameters. In this paper, we propose a hybrid approach that combines physical models with real-time status data to achieve quality-reliable DLP 3D printing. We developed a status data acquisition scheme to monitor printing status, including the downward force exerted on the printing platform, curing temperatures, resin levels, and surface morphology. Analyzing the collected data provides both status and anomaly information, enabling in-situ repair strategies to address abnormalities with minimal disruption to the printing process. Additionally, an Extended Kalman Filter integrates status data with physical models to dynamically optimise printing parameters. Experimental results show that the proposed scheme effectively addresses typical anomalies, optimises printing times, and significantly improves success rates while preserving the mechanical performance of printed models. Furthermore, the approach adapts to varying printing status, resin materials, and models.

Keyword:

status monitoring control parameters physical model Digital light processing dynamic control

Author Community:

  • [ 1 ] [Zhao, Lidong]Beijing Univ Technol, Fac Informat Technol, Beijing 100124, Peoples R China
  • [ 2 ] [Zhang, Xueyun]Beijing Univ Technol, Fac Informat Technol, Beijing 100124, Peoples R China
  • [ 3 ] [Wu, Lifang]Beijing Univ Technol, Fac Informat Technol, Beijing 100124, Peoples R China
  • [ 4 ] [Zhao, Zhi]Beijing Univ Technol, Fac Mat & Mfg, Beijing, Peoples R China
  • [ 5 ] [Ma, Limin]Beijing Univ Technol, Fac Mat & Mfg, Beijing, Peoples R China

Reprint Author's Address:

  • 毋立芳

    [Wu, Lifang]Beijing Univ Technol, Fac Informat Technol, Beijing 100124, Peoples R China

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Source :

VIRTUAL AND PHYSICAL PROTOTYPING

ISSN: 1745-2759

Year: 2025

Issue: 1

Volume: 20

1 0 . 6 0 0

JCR@2022

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 11

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