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Use of complementary filter for identification of motion parameters of elements of spherical parallel mechanism

Use of complementary filter for identification of motion parameters of elements of spherical parallel mechanism

Abstract

The article proposes to use a complementary filter in the SPM control system for processing data from the accelerometer and gyroscope. A complementary filter combines data from an accelerometer that measures linear acceleration, which can be used to determine the angle of inclination in a static position, and a gyroscope, which measures angular velocity, which is used to integrate and determine the angle of rotation. The filter calculates a weighted average of these two measurements, with the weights chosen to minimize the effects of noise and drift from each sensor. An algorithm for calculating the angle of inclination of the SPM platform was developed, where the final value of the angle of inclination is the sum of the integrated value of the gyroscope and the instantaneous value of the accelerometer. At each stage of integration, the integral of the angle of inclination is corrected using the readings of the accelerometer. An experimental verification of the effectiveness of the complementary filter was performed to identify the motion parameters of the elements of the spherical parallel mechanism. В статті пропонується використовувати комплементарний фільтр в системі управління СПМ для обробки даних з акселерометра та гіроскопа. Комплементарний фільтр об'єднує дані з акселерометра, який вимірює лінійне прискорення, що можна використовувати для визначення кута нахилу в статичному положенні та гіроскопа, який вимірює кутову швидкість, що використовується для інтегрування і визначення кута повороту. Фільтр обчислює зважене середнє цих двох вимірювань, причому ваги вибираються таким чином, щоб мінімізувати вплив шумів і дрейфу кожного датчика. Розроблено алгоритм розрахунку кута нахилу платформи СПМ де підсумкова величина кута нахилу є сумою інтегрованого значення гіроскопа і миттєвого значення акселерометра. На кожному етапі інтегрування коригується інтеграл кута нахилу за допомогою показань акселерометра. Виконано експериментальну перевірку ефективності комплементарного фільтра для ідентифікації параметрів руху елементів сферичного паралельного механізму.

Keywords

smoothing data, gyroscope, гіроскоп, complementary filter, сферичний паралельний механізм, згладжування даних, акселерометр, ідентифікація параметрів руху, прогнозування, forecasting, correction of measurements, accelerometer, комплементарний фільтр, керування роботизованими об'єктами, identification of motion parameters, control of robotic objects, оцінка стану, assessment of status, spherical parallel mechanism, корекція вимірювань

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
bronze