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Triamec Servo Drives -
The Networked High-Speed Drives

Continuously increasing demands on productivity and precision result in highly dynamic mechanisms with low bearing damping and distinct mechanical resonances. By its thorough minimization of signal runtimes (high sampling rates), Triamec servo drives are capable of activly damping these resonances and thereby increase the bandwidth and stiffness of the control system significantly. Data exchange from drive to drive at 10kHz frequency makes an additional motion controller no longer necessary, and allows the realization of coupled axes systems.

Triamec servo-drive control concept
Control:
  • 50kHz PID position control
  • Two freely programmable 2nd order filters
  • Maximum lag time 25μs (from encoder sampling to voltage output)
  • Active suppression of resonances in the kHz range; thereby up to 10 times higher stiffness compared to conventional Servo Drives
Path planning:
  • Path planning with programmable jerk limitation
  • Position Move (absolute, relative, additive)
  • Velocity Move, Modulo Function
  • Re-programming of a path within 100μs
Axes coupling:
  • Axes coupling via Ethernet-based Tria-Link replaces conventional master-slave encoder system
  • Decentralized Coupling via Tria-Link and C#/Tama makes additional multi-axes motion controller no longer necessary
  • Free coupling functions up to entire robot controllers with inverse kinematics and dynamics
  • All signals (path planner, controller, etc.) can be used in C#/Tama and transmitted via Tria-Link
Re-programming example:

Novel algorithms re-program a jerk limited path within merely 100μs. This enables demanding applications with event controlled processes in milliseconds and trajectories in the micrometer range.

Re-programming

Read also:
pdf "Optimal control architecture of highly dynamic motion systems with strong mechanical resonances", Dr. Ladislav Kucera, Triamec AG, Congress paper SPS/IPC/Drives 2006, Nurnberg (in German)
pdf "Control of highly dynamic Drive Systems with strong Mechanical Resonances", Dr. Ladislav Kucera, Triamec AG, Congress paper SPS/IPC/Drives 2005, Nurnberg (in German)
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