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  1. No Access

    Article

    Incorporating Segmentive & Augmentive Tools in Cosine KNN for Bearing Intelligent Fault Diagnosis

    To address challenges in Intelligent Fault Diagnosis (IFD) of bearings in rotating machinery, this study aims to propose a model that reduces computational resources and expert dependence while enhancing perfo...

    J. S. Yap, M. H. Lim, M. Salman Leong in Journal of Vibration Engineering & Technologies (2024)

  2. No Access

    Article

    Ensemble Augmentation for Deep Neural Networks Using 1-D Time Series Vibration Data

    Deep Neural Networks (DNNs) typically require enormous labeled training samples to achieve optimum performance. Therefore, numerous forms of data augmentation techniques are employed to compensate for the lack...

    Atik Faysal, W. K. Ngui, M. H. Lim in Journal of Vibration Engineering & Technol… (2023)

  3. No Access

    Chapter and Conference Paper

    Bearing Fault Diagnosis Using Extreme Learning Machine Based on Artificial Gorilla Troops Optimizer

    Bearing diagnosis is important to ensure smooth machinery operation and safety. Machine learning methods have been used widely in bearing diagnosis study, and one of the recent methods used is an extreme learn...

    M. Firdaus Isham, M. S. R. Saufi in Advances in Intelligent Manufacturing and … (2023)

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    Chapter and Conference Paper

    Performance Evaluation of BPSO & PCA as Feature Reduction Techniques for Bearing Fault Diagnosis

    Vibration-based signal processing is the most popular and effective approach for fault diagnosis of bearing. In this paper, time-frequency domain analysis, i.e. empirical mode decomposition (EMD) was applied t...

    Atik Faysal, Ngui Wai Keng, M. H. Lim in Recent Trends in Mechatronics Towards Industry 4.0 (2022)

  5. No Access

    Article

    Noise Eliminated Ensemble Empirical Mode Decomposition for Bearing Fault Diagnosis

    Although noise-assisted decomposition methods, ensemble empirical mode decomposition (EEMD) and complementary EEMD (CEEMD) can reduce the drawbacks of empirical mode decomposition (EMD), they cannot fully elim...

    Atik Faysal, Wai Keng Ngui, M. H. Lim in Journal of Vibration Engineering & Technologies (2021)

  6. Article

    Loneliness: contemporary insights into causes, correlates, and consequences

    M. H. Lim, J. Holt-Lunstad, J. C. Badcock in Social Psychiatry and Psychiatric Epidemiology (2020)

  7. No Access

    Article

    Is loneliness a feasible treatment target in psychosis?

    Loneliness is a challenge for individuals with psychosis; however, interventions rarely target loneliness in this group.

    M. H. Lim, D. L. Penn, N. Thomas in Social Psychiatry and Psychiatric Epidemio… (2020)

  8. No Access

    Chapter

    Understanding Cryopreservation of Oyster Oocytes from a Physical Chemistry Perspective

    Cryopreservation applies to the freezing, storage (usually long-term) at a very low temperature, thawing, and successful recovery of living cells. There are seven basic steps in cryopreservation protocols: sam...

    M. H. Lim, L. F. Siow, L. Salinas-Flores in Water Stress in Biological, Chemical, Phar… (2015)

  9. No Access

    Article

    Using Earth’s Field NMR to Study Brine Content in Antarctic Sea Ice: Comparison with Salinity and Temperature Estimates

    We report on the use in Antarctica of a portable nuclear magnetic resonance spectrometer which utilizes the Earth’s magnetic field. We obtain estimates of brine content, in samples of sea ice extracted at diff...

    M. W. Hunter, R. Dykstra, M. H. Lim, T. G. Haskell in Applied Magnetic Resonance (2009)

  10. No Access

    Chapter and Conference Paper

    Evolvable Fuzzy System for ATM Cell Scheduling

    In this paper, we propose an evolvable fuzzy system for ATM cell scheduling. When the scenarios of cell flows in an ATM network change dramatically, traditional scheduling algorithms, first-in-first-out (FIFO) an...

    J. H. Li, M. H. Lim in Evolvable Systems: From Biology to Hardware (2003)

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    Article

    Efficient Genetic Algorithms Using Simple Genes Exchange Local Search Policy for the Quadratic Assignment Problem

    In this paper, we describe an approach for solving the quadratic assignment problem (QAP) that is based on genetic algorithms (GA). It will be shown that a standard canonical GA (SGA), which involves genetic o...

    M.H. Lim, Y. Yuan, S. Omatu in Computational Optimization and Applications (2000)

  12. No Access

    Article

    Soft X-Rays for Deep Sub-100 Nm Lithography, with and Without Masks

    The development of micro- and nanofabrication, their applications, and their dependent industries has progressed to a point where a bifurcation of technology development will likely occur. On the one hand, the...

    Henry I. Smith, D. J. D. Carter, J. Ferrera, D. Gil in MRS Online Proceedings Library (1999)

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    Article

    Polyominoes tiling by a genetic algorithm

    Most existing placement algorithms were designed to handle blocks that are rectangular in shape. In this paper, we show how a genetic algorithm (GA) is used to construct an optimal arrangement of two-dimension...

    B. H. Gwee, M. H. Lim in Computational Optimization and Applications (1996)

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    Article

    Intelligent monitoring of a frequency-trimming process

    In the development of a process diagnostic system to monitor the condition of the frequency-trimming process in the production of crystal resonators, fuzzy logic can be applied in the recognition of unnatural ...

    M. H. Lim, B. H. Gwee, Y. Kawada in Journal of Intelligent Manufacturing (1993)

  15. No Access

    Chapter

    An experiment in automation of statistical process control using fuzzy logic

    This paper describes the development of a system to aid in maintaining a successful and reliable quality control program in a manufacturing environment. Such a system besides acquiring process related data wil...

    M. H. Lim, T. H. Ooi in Condition Monitoring and Diagnostic Engineering Management (1990)