Showing 1 - 20 results of 50 for search '"Vibration"', query time: 0.07s Refine Results
  1. 1

    Simulation studies of vibration isolation using electromagnetic damper by Mohd Fazli Mohd Yusoff, Ahmad Mujahid Ahmad Zaidi, Saiddi Ali Firdaus Ishak, Mat Kamil Awang, Muhamad Faiz Md Din

    Published 2021
    “…This paper presents the review of electromagnetic damper as a vibration/isolation material. A bunch of articles about vibration and suspension system was reviewed and the key factors that contribute to electromagnetic damper was identified. …”
    Get full text
    Article
  2. 2

    DFT calculation of vibrations in the clusters of zinc and oxygen atoms by Ahmad Nazrul Rosli, Hasan Abu Kassim, Keshav N. Shrivastava

    Published 2013
    “…We have calculated the vibrational frequencies of zinc oxide by using the density-functional theory. …”
    Get full text
    Article
  3. 3

    Vibration based piezoelectric energy harvesting utilizing bridgeless rectifier circuit by Mahidur R. Sarker, Azah Mohamed, Ramizi Mohamed

    Published 2016
    “…In this paper, a voltage doubler and bridgeless boost rectifier power electronic converter is proposed to increase the energy harvesting output voltage from piezoelectric vibration based transducer. The conventional full-wave diode bridge rectifier and boost converter for energy harvesting system increases significant voltage drop and power losses in the circuit. …”
    Get full text
    Article
  4. 4

    Effects of plucking force to fundamental frequency of sound and body vibration of sape by Wong, Tee Hao, Jedol Dayou

    Published 2019
    “…The sound and vibration were collected using a microphone and accelerometer. …”
    Get full text
    Article
  5. 5

    Ab initio calculation of vibrational frequencies in a glassy state of selenium by Ahmad Nazrul Rosli, Hasan Abu Kassim, Keshav N. Shrivastava

    Published 2010
    “…We used the density functional theory to calculate the vibrational frequencies of clusters of atoms. We obtained the bond distances and angles for which the energy of the Schršdinger equation is minimum. …”
    Get full text
    Article
  6. 6

    Measurement of damping capacity of pultruded glass fibre- reinforced composite by forced vibration technique by Nordin Jamaludin

    Published 1992
    “…The effect of strain amplitude and frequency on the loss factor of glass fibrereinforced composite (GFRC) have been investigated by forced vibrations of double cantilever rod specimens. The tests were conducted at room temperature in the frequency range of 70Hz to 320Hz and at atmospheric pressure since the effect of air damping on the rod shape specimens is likely to be small. …”
    Article
  7. 7

    Solving a backpack vibration system using fourth-order runge-kutta methods by Sharifah Alwiah Abdul Rahman, Azmin Sham Rambely, Rokiah Rozita Ahmad

    Published 2013
    “…A backpack vibration system involving ordinary differential equations has been developed in this study. …”
    Get full text
    Article
  8. 8

    Vibrational analysis of microtubules embedded within viscoelastic medium using orthotropic Kelvin like model by Muhammad Safeer, Muhammad Taj

    Published 2019
    “…We found that due to mechanical coupling of these components with the elastic medium, the flexural vibration is increased and radial frequencies in all modes are increased considerably while other vibrational modes are not affected that much.…”
    Get full text
    Article
  9. 9
  10. 10

    Evaluation of ground vibration resulting from a heavy vehicle passing over transverse rumble strips : a case study in Kluang Road FT050 by Mohd Shahmerulakmal M Zain, Mohd Hanifi Othman, Nasradeen. A. Khalifa, Mohd Bazli Mohd Fozi, Julaihie Sabri, Adi Hizami Mohammad Tamin, Aziman Madun

    Published 2021
    “…However, the presence of a TRS causes unevenness on the road surface and may result in ground vibration when heavy vehicles passes it. This ground vibration may cause discomfort to the people living adjacent to the road. …”
    Get full text
    Article
  11. 11

    Dynamic performance evaluation of ultrasonic composite horn for machining soft and brittle composites by Muhammad Asif Mahmood Qureshi, Nasir Hayat, Zia ul Rehman Tahir, Khurram Hameed Mughal, Fazal Ahmad Khalid, Asif Ali Qaiser, Zhang, Jianfu

    Published 2023
    “…Ultrasonic horn (USH) is a key component in high intensity power ultrasonic systems to enhance vibration amplitude at tool end (VATE). Due to high intensity ultrasonic operating frequency of at least , horn may be exposed to high stress levels leading to failure. …”
    Get full text
    Article
  12. 12

    An evaluation of ride quality in lift systems of selected public high-rise buildings in Abuja, Nigeria by Ibrahim, Emmanuel Chongcicimmi, Stanley, Andrew Mhya, Mohammed Manzuma, Buhari, Ayeni, Olugbenga, Isah, Ibrahim

    Published 2022
    “…Instruments like the WT85 Digital Sound Level Meter and Smart Sensor Vibration Meter alongside a checklist were used for data collection on lift cabin interior sound level and vibration during acceleration. …”
    Get full text
    Article
  13. 13

    The study of polymer material characterisation using M-Z-N statistical analysis method by Muhamad Arif Fadli Ahmad, Mohd Zaki Nuawi, Nadia F. Mohamed, Zaliha Wahid, M. Dirhamsyah

    Published 2016
    “…Experimental procedure is done based on non-destructive testing (NDT) concept by tapping the specimens using an impact hammer within a specific range of impact force, while accelerometer sensor Endevco 751-100 is used to detect the vibration produced. The detected vibration and the impact force signal which is triggered by impact hammer are captured using NI 9234 data acquisition device and computer. …”
    Get full text
    Article
  14. 14

    Pattern recognition for HEV engine diagnostic using an improved statistical analysis by Nor Azizi Ngatiman, Mohd. Zaki Nuawi, Mohd Irman Ramli

    Published 2019
    “…Piezo-film sensors were mounted on the Internal Combustion Engine (ICE) wall of each hybrid vehicle for vibration signal measurements. The engine runs at different speeds, the vibration signals were then recorded and analysed using the Z-freq technique. …”
    Get full text
    Article
  15. 15

    Natural dye sensitizer in dye sensitized solar cell by Nurain Najihah Alias, Khatijah Aisha Yaacob

    Published 2016
    “…The FTIR result of the natural dye shows the present of intermolecular H-bond, C=O stretching vibration, C-O-C stretching vibration, C=C bending and C-H bending which was due to the component of anthocyanin, carotenoids and chlorophyll. …”
    Get full text
    Article
  16. 16

    Pemisahan zarah mengguna teknik ayak: Kesan parameter pengoperasian ke atas kecekapan by Siti Masrinda Tasirin, Chang , Wun Ching

    Published 2000
    “…In this case, investigation on the effect of several operating parameters such as time, vibration frequency, percentage of coarse (oversize) in the feed material and total loading on the overall efficiency of the separation process has been carried out using solid mixtures of sand and glass beads. …”
    Article
  17. 17

    Musculoskeletal problems and its influencing factors among automobile factory workers, 1999 by Nur Aiza Zakaria, KG Rampal

    Published 2006
    “…Chi square and t tests showed there were associations found between harmful biomechanical problems e.g. awkward postures, lifting and carrying; vibration at workplace; repetitive movements; uncomfortable workplace; lack of rest and experience and psychological factors with musculoskeletal problems. …”
    Get full text
    Article
  18. 18

    On the Bachelor Program in Engineering Physics for underdeveloped and developing countries: vision for global competitiveness by Nugroho, Gunawan, Nasution, Aulia

    Published 2019
    “…In this paper, seven clusters are proposed, namely generic knowledge, basic knowledge, instrumentation and control, energy and environmental engineering, materials, acoustics and vibration, and photonics. The cluster courses can be distributed in each semester depends on the department strategy of achieving the learning outcomes. …”
    Get full text
    Article
  19. 19

    On-line detection method for outliers of dynamic instability measurement data in geological exploration control process by Liu, Fang, Su, Weixing, Zhao, Jianjun, Liang, Xiaodan

    Published 2017
    “…Considering the characteristics of the vibration data detected by the unstable regulation process in the grinding and grading control system and the shortcomings of the traditional wavelet anomaly detection method, an online anomaly detection method combining autoregressive and wavelet analysis is proposed. …”
    Get full text
    Article
  20. 20

    Elastic investigation of piers numbers effects in transverse direction on the stiffness of continuous and simply supported bridges by Naser, Ali Fadhil

    Published 2021
    “…Traffic load frequency (vibration frequency) values were decreased with increasing of bridge piers number because of the bridge structure had more stability. …”
    Get full text
    Article