6 Positioning mode
130 Festo – GDCP-CMMS/D-FW-EN – 1404NH – English
Timing diagra m: Smoothing
Example: Smoothing with an acc eleration time t
a+
/time delay t
a–
=25ms
a+
v
v
v
tt
t
tt
t
A) Smoothing 0 %:
Filter time t
fi
= 0 ms (time-optimised)
B) Smoothing 25 %:
Filter time t
fi
= 12.5 ms
C) Smoothing 50 %:
Filter time t
fi
=25ms
t
fi
t
a+
t
a–
t
fi
t
fi
a–
a+
a–
a+
a–
D) Smoothing 100 %:
Filter time t
fi
=50ms
v
t
a+
a–
t
t
a+
t
a–
t
a+
t
a+
t
fi
t
fi
t
fi
t
a–
t
fi
t
fi
t
fi
t
a–
t
fi
VN
VN
VN VN
1)
2)
t
fi
t
fi
a+ = Acceleration
a– = Dec eleration
v
N
=Velocity
1) Movement with reduced acceleration
2) Movement with reduced deceleration
Fig. 6.11 Timing diagram: S moothing