Mathematical Problems in Engineering / 2014 / Article / Tab 1

Research Article

A Predictive Velocity Observer in Wire Bonder’s Control System

Table 1

Parameters of the platform.

Parameters Units Value

Force constant ( ) N/A 43
Back EMF ( ) V/(m/s) 43
Resistance ( ) Ohms 3.5
Armature inductance ( ) H
Mass of load ( ) Kg 5.3244
Continuous working voltage V d.c. 70
Continuous working current A 4.1
Peak velocity m/s 10
Peak current A 10.2
Electrical time constant s
Resolution of encoder m/pulse
Resolution of current measurement A
Resolution of voltage reference V 0.1
Resolution of current command A
Resolution of velocity command m/s
Sampling time of current loop s
Sampling time of velocity loop s
Sampling time of position loop s
Transforming time of encoder signal s

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