Abstract
In vibration measurements, integration process is often performed to acceleration as well as velocity signals. This integration process is usually done numerically in DSA (Dynamic Signal Analyzer) so that the result of integration has error with respect to the true (theoretical) value. Therefore, development of numerical integration methods with cutoff frequency are presented in this paper. This development produces equations which can reduce the influence of noise with respect to the result of numerical integration. Furthermore, these equations are validated with the simulation and experiment results. Base on the validation results, it can be concluded that the equations which have been derrived are correct.
Highlights
integration process is often performed to acceleration
development of numerical integration methods with cutoff frequency are presented in this paper
This development produces equations which can reduce the influence of noise with respect
Summary
Penelitian ini diawali dengan identifikasi masalah yang terjadi, yaitu kesalahan hasil integrasi sinyal akibat adanya sinyal pengganggu. Langkah selanjutnya adalah studi literatur mengenai integrasi sinyal serta literatur lain yang mendukung penulisan analisis penlitian. Tahap selanjutnya adalah mengembangkan metode integrasi numerik dengan frekuensi batas yang mampu mereduksi pengaruh sinyal pengganggu terhadap hasil integrasi. Pengembangan ini menghasilkan persamaan matematik yang dapat digunakan untuk menentukan pengaruh sinyal pengganggu terhadap hasil integrasi. Untuk meyakinkan bahwa persamaan matematik yang diturunkan sudah benar, maka nilai dari persamaan tersebut divalidasi dengan simulasi numerik dan eksperimen
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