lab ac exp 1 group m16
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8/16/2019 Lab Ac Exp 1 Group m16
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EMC 322
AUTOMATIC CONTROL
Experiment 1
Open-Loop Control for Motor Speed
GROUP : M16
MEMBERS :
MUHAMAD NURHAFIZ B. RAHIM 111551MUHAMAD SYAFIQ BIN HAMZAH 111552
MUHAMMAD ATHIF BIN ZAINUDIN 115750
LECTURER : ASSC. PROF DR ZAHURIN SAMAD
DATE OF SUBMISSION : 18TH MAY 2016
SCHOOL OF MECHA!CAL EG!EER!G
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RESUL"S
SENSORDATA RAPH
1. OUTPUT
2. INPUT
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MOTORDATARAPH
1. OUTPUT
2. INPUT
8/16/2019 Lab Ac Exp 1 Group m16
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MOTORAINDATA RAPH
1. OUTPUT
2. INPUT
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OPENLOOPDATA RAPH
1. OUTPUT
2. INPUT
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#!SCUSS!OS
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$UES"!OS
a) How many steps the encoder has rotated based on SensorData?
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b) Why the graph plotted using SensorData is not linear?
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c) What happen to the graph plotted using SensorData if the rotation of the encoder is
reversed?
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8/16/2019 Lab Ac Exp 1 Group m16
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d% &'( t'e p)ttern of inp*t )nd o*tp*t +r)p', plotted *,in+ Motor#)t) )re different
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e) Calculate the rotation speed ( in degress/s) by finding the difference between the
maimum and minimum step from !otorData graphs" (the encoder has #$$$ steps per
revolution)
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f) What is the difference between the !otorData graphs and !otor%ainData graphs?
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+% &ased on the rotational speeds calculated using !otorData graphs and !otor%ainData
graphs' determine the conversion ratio of voltage to speed' assuming the motor voltage is
proportional to the speed"
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S pe e d ∝
V ol t a g eS pe e d =k ⋅G⋅V o l t a g e
8/16/2019 Lab Ac Exp 1 Group m16
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h) What is the difference between derivative output graph and filter output graph from
penoopData?
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'&"" '!+' $&&#+/($*" +)'*$)* '&"" $* ()( $) $/( +*+# '&""'.
( What is the shape pattern of graph that you epect in plotting penoopData after
ta*ing derivative of motor angle?
T!" $,"' +- *!" "#($*(" +*&* %#$&! (' +)'*$)* '()" *!" %#$(")* +- *!" -(,*"#+*&* %#$&! (' +)'*$)*. S+4 *!" "/&"*" '!$&" &$**"#) (' $ '>$#" $"-+# %#$&!4
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+) oo*ing at the graph plotted using penoopData after filtering' the pattern shows that
the speed response is overdamped or underdamped?
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