Vibration suppression of a handheld tool using active force control with crude approximation method
Date
2009-10-11Author
Mohd Firdaus, Hassan
Musa, Mailah
M.A., Salim
Juliawati, Alias
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Show full item recordAbstract
This paper presents a simulation study involving the application of an active force control (AFC) strategy to suppress vibration on the rear handle of a handheld tool. The research was carried out to investigate the performance in terms of vibration reduction capability of a feedback controller employing an AFCbased scheme on a selected powered portable machine (Hedge Trimmer Maruyama model Ht230D). Two types of control
schemes were closely examined and compared involving the classic proportional-integral-derivative (PID) control scheme and
the proposed AFC with crude approximation (AFCCA) method. Inherent vibration was measured from the real operation of the
handheld tool through operational deflection shape (ODS) experiment. This data was later used in the simulation work to test the robustness of the control scheme. Results show that the AFCCA scheme is able to suppress the vibration at the rear handle much better compared to the conventional PID control scheme.
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