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All Journal Majalah Ilmiah Material, Komponen dan Konstruksi Automotive Experiences
Harris Zaenal, Harris
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Aerospace Engineering Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering

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KONSEP DESAIN ALAT UJI KINERJA SERVO-VALVE = DESIGN CONCEPT OF TESTING MACHINE OF SERVO-VALVE PERFORMANCES Zaenal, Harris
Majalah Ilmiah Material, Komponen dan Konstruksi Vol 14, No 1 (2014)
Publisher : Badan Pengkajian dan Penerapan Teknologi (BPPT)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (566.743 KB)

Abstract

Design concept of performance test equipment for servo-valve consists of mechanical and electronic systems. The mechanical parts includes a hydraulic power pack equipped with safety and monitoring of pressure and flow-rate, servo-valve and its base-plate, flow-meter for monitoring flow-rate in A and B ports. The electronic system parts includes a signal generator to the servo- valve, output signal from flow meter A and B ports, acquisition for signal output flow-meter, hardware and software computer. The form of graph Input Signal (m- Ampere) versus Output Signal (LPM) can help analyze to determine servo-valve performance, that are accuracy and detect damage which can be taken for further maintenance and repair.Keywords : servo-valve, signal input, flow rate output , performance test machine.Abstrak Konsep desain alat uji kinerja servo-valve terdiri atas konsep desain mekanis dan konsep desain elektronik. Konsep desain mekanis meliputi hydraulic power pack yang dilengkapi pengaman dan monitor tekanan dan flow- rate, servo-valve dan base-plate-nya, flow-meter untuk monitor flow-rate di port A dan B. Konsep desain elektronik meliputi pembangkit signal input kepada servo-valve, signal output dari flow-meter A dan B, akuisisi signal output flow- meter, hardware dan software komputer. Grafik Signal Input (m-Ampere) versus Signal Output (LPM) dapat membantu analisa untuk mengetahui kinerja servo-valve antara lain keakurasian, mendeteksi kerusakan servo-valve untuk selanjutnya dapat diambil tindakan pemeliharaan dan perbaikan.Kata Kunci : servo-valve, input signal, output flow rate ,alat uji kinerja.
KONSEP DESAIN ALAT UJI KINERJA SERVO-VALVE = DESIGN CONCEPT OF TESTING MACHINE OF SERVO-VALVE PERFORMANCES Zaenal, Harris
Jurnal Material Komponen dan Konstruksi Vol. 14 No. 1 (2014)
Publisher : Badan Pengkajian dan Penerapan Teknologi (BPPT)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (566.743 KB) | DOI: 10.29122/mkk.v14i1.1650

Abstract

Design concept of performance test equipment for servo-valve consists of mechanical and electronic systems. The mechanical parts includes a hydraulic power pack equipped with safety and monitoring of pressure and flow-rate, servo-valve and its base-plate, flow-meter for monitoring flow-rate in A and B ports. The electronic system parts includes a signal generator to the servo- valve, output signal from flow meter A and B ports, acquisition for signal output flow-meter, hardware and software computer. The form of graph Input Signal (m- Ampere) versus Output Signal (LPM) can help analyze to determine servo-valve performance, that are accuracy and detect damage which can be taken for further maintenance and repair.Keywords : servo-valve, signal input, flow rate output , performance test machine.Abstrak Konsep desain alat uji kinerja servo-valve terdiri atas konsep desain mekanis dan konsep desain elektronik. Konsep desain mekanis meliputi hydraulic power pack yang dilengkapi pengaman dan monitor tekanan dan flow- rate, servo-valve dan base-plate-nya, flow-meter untuk monitor flow-rate di port A dan B. Konsep desain elektronik meliputi pembangkit signal input kepada servo-valve, signal output dari flow-meter A dan B, akuisisi signal output flow- meter, hardware dan software komputer. Grafik Signal Input (m-Ampere) versus Signal Output (LPM) dapat membantu analisa untuk mengetahui kinerja servo-valve antara lain keakurasian, mendeteksi kerusakan servo-valve untuk selanjutnya dapat diambil tindakan pemeliharaan dan perbaikan.Kata Kunci : servo-valve, input signal, output flow rate ,alat uji kinerja.
Theoretical Experiments on Road Profile Data Analysis using Filter Combinations Karmiadji, Djoko Wahyu; Rosyidi, M.; Widodo, Tri; Zaenal, Harris; Nurdam, Nofriyadi; Kadir, Andi M.; Hidayat, Sofwan; Bismantoko, Sahid; Pramana, Nurhadi; Winarno, Winarno
Automotive Experiences Vol 6 No 3 (2023)
Publisher : Automotive Laboratory of Universitas Muhammadiyah Magelang in collaboration with Association of Indonesian Vocational Educators (AIVE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31603/ae.9901

Abstract

Identification of road profiles is needed to provide the input of automotive simulation and endurance testing. The analysis with estimation methods is mostly done to identify road profiles. The main goal of analysis methods is to obtain the data of vertical displacements due to road profile measurement. The acceleration data is obtained from measuring road profile by using 4 sensors of accelerometer placed on each car wheel. The measuring data is converted to be vertical displacement data by using a "double integrator", however, it is not easy to get accurate results since the signal obtained carries a lot of noise and it is necessary to design the right filter reduce the noise. In this study, the signal filtering methods reducing the noise were used Fast Fourier Transform (FFT) and Kalman Filter (KF) combination. Experiments were carried out by combining Fast Fourier Transform and Kalman Filters using an input signal with unit (volt) in the time domain. In addition, this research focused on preparing the survey data that has been obtained by eliminating the noise to convert becoming the displacement input data for providing the loads of automotive simulation testing.
Co-Authors Bismantoko, Sahid Hidayat, Sofwan Kadir, Andi M. Karmiadji, Djoko Wahyu Nurdam, Nofriyadi Pramana, Nurhadi Rosyidi, M. Tri Widodo Winarno Winarno