Autotuning Algorithms for Servos  

Oleh:

Ellis, George

Jenis: Article from Bulletin/Magazine - ilmiah internasional
Dalam koleksi: Machine Design (Soft Copy ada dalam http://search.proquest.com/) vol. 83 no. 7 (Apr. 2011), page 48-50.
Topik: Motion Control; Systems Design; Frequency Distribution

Ketersediaan

Perpustakaan Pusat (Semanggi) Nomor Panggil: MM44.64 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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It is useful for designers to understand why servosystems need tuning and how it's done. It is also helpful to understand what happens when it's not done well. Additionally, there is a role for autotuning, a technique once effective only for a narrow set of conditions: highly rigid mechanical loads and applications that didn't demand top performance. If servosystems controlled rigid" loads -- loads firmly coupled to the motor -- tuning would be simple. But most mechanisms have mechanical compliance; they flex when the motor applies torque. An ideal load is one that is perfectly coupled to the motor. Full-frequency autotuning measures the system at all frequencies of interest, at hundreds of points between, say, 10 Hz and 2 kHz, to assure stability at every frequency of concern. The starting point is the excitation. The second step is the configuration of the filters.

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