StepSERVO™ Technology: Bridging the gap between cost effective and high performance motion
-
Upload
design-world -
Category
Engineering
-
view
330 -
download
2
Transcript of StepSERVO™ Technology: Bridging the gap between cost effective and high performance motion
#DWwebinar
StepSERVO Technology: Bridging the gap between Cost Effective and High Performance Motion Control
#DWwebinar
q This webinar will be available afterwards at www.designworldonline.com & email
q Q&A at the end of the presentation q Hashtag for this webinar: #DWwebinar
Before We Start
#DWwebinar
Miles Budimir Senior Editor – Moderator
Design World
Eric Rice Marketing Director
Applied Motion Products, Inc.
StepSERVO Technology: Bridging the gap between Cost Effective and High Performance Motion Control
Meet your Speakers
#DWwebinar
#DWwebinar
#DWwebinar
1978
Applied Motion Products, Inc. is founded in 1978 in California to design, market and manufacture motion control solutions for the
automation industry.
#DWwebinar
1978 1992
In 1992, Applied Motion designs and markets its first of many standard stepper drives, the 2035 full/half step drive.
#DWwebinar
1978 1994
1992
Shanghai Moons’ Electric is founded in 1994.
#DWwebinar
1978 1994
1997 1992
In 1997, Shanghai Moons’ Electric begins manufacturing stepper motors.
#DWwebinar
1978 1994
1997 2007 1992
In 2007, Applied Motion and Moons’ form Shanghai AMP&MOONS Automation (AMA), a joint venture dedicated to the development and
manufacture of motor drives and integrated motors.
AMA
#DWwebinar
1978 1994
1997 2007 1992
Moons’ acquires Applied Motion Products in 2014 to combine the strengths of all three companies into a global automation solutions provider.
AMA
2014
#DWwebinar
1978 1994
1997 2007 1992
Moons’ acquires Lin Engineering in 2015, adding to the strength of Moons’ Industries globally.
AMA
2014 2015
#DWwebinar
#DWwebinar
Moons’IndustriesHeadquartersandManufacturinginShanghai,China
Moons’IndustriesSupportcenterinMilan,Italy
Moons’IndustriesSupportcenterinChicago,USA
AppliedMo1onProductsWatsonville,CA,USA
LinEngineeringMorganHill,CA,USA
#DWwebinar
Auto-lamination Line Stator Coating Shaft Production Rotor Assembly
Final Assembly Machining Centers
Produc'oncapacity>14millionstep,servoandBLDCmotorsannually.
#DWwebinar
The Value of Applied Motion Products
Our Sales and Technical staff have an average of
23 years of experience in Motion Control.
Both at Applied Motion and these
other companies…
#DWwebinar
The Value of Applied Motion Products
42 patents 30 patents
9 patents
3 patents
President, Don Macleod
Founder, Kenneth Kordik (ret.)
Chief Technical Office, Jeff Kordik
#DWwebinar
Closed Loop Stepper Technology
#DWwebinar
WHATISStepSERVO?• TECHNOLOGYforimplemen1ngclosedloopservocontrolof50-polepermanentmagnetbrushlessDCmotors,AKA“stepmotors”.
• ARANGEOFPRODUCTSconsis1ngofintegratedmotorsinNEMAframesizes.
#DWwebinar
HowdoesStepSERVOcomparetotradi1onalopenlooptechnology?
#DWwebinar
Input Drive/Controller
StepMotor
Output:RotorPosi1on
Tradi1onalStepMotorSystemisOpenLoop
ProsofOpenLoopSystems:• Lowcost• Simpletouse;notuningrequired• Simpletocontrolwithdigitalpulse
anddirec1onsignals• Preciseposi1oning
ConsofOpenLoopSystems:• Resonanceatcertainspeedscan
leadtovibra1onandlossoftorque• Canstallwithoutwarningiftorque
demandistoohigh• Motorconsumescurrentregardless
ofload• Canbenoisy(audible)
#DWwebinar
ProsofClosedLoopSystems:• Addi1onalpeaktorquerange• Fullclosed-loopcontrol,e.g.torquecontrol• Motordrawsonlythecurrentthatitneeds
Input Drive/Controller
StepMotor
Output:RotorPosi1on
StepSERVOSystemisClosedLoop
SensorPIDservocontrolloop
• Be_eroverallsystemaccuracy
becausedrive/controlleralwaysknowstheposi1onoftherotor
#DWwebinar
Input
Drive/Controller
Output:RotorPosi1on
Sensor
StepMotor
• 50-polebrushlessmotor(AKAstepmotor)• 5000lineincrementalencoder(20,000counts/rev)
Note:1024lineencoderusedonsmallestNEMA11motorsonly• Integrateddriveandcontrolelectronics• ClosedloopPIDservocontrol
#DWwebinar
ServoMotors
OpenLoopStepMotors
Mo1onControlMarketSpace
Cost
$$$
$
Posi1onLoopBandwidthSpeed,Efficiency,Noise
StepSERVOMotors
Performance
#DWwebinar
1. ACCELERATION2. EFFICIENCY3. HEATING4. AUDIBLENOISE5. COST
Side-by-SideComparison:StepSERVOvs.OpenLoop
#DWwebinar
1.ACCELERATION:Forshort,fastmovesStepSERVOmotorsarebest.
#DWwebinar
0
50
100
150
200
250
300
0 5 10 15 20 25 30 35 40
Torque
(oz-in)
Speed(rev/sec)
Openloopmaxtorque Openloopusabletorque
Maxtorque
Usabletorque
Openloopspeed-torquecurve
#DWwebinar
0
50
100
150
200
250
300
0 5 10 15 20 25 30 35 40
Torque
(oz-in)
Speed(rev/sec)
StepSERVOpeaktorque StepSERVOcon1nuoustorque
Con1nuoustorque
Peaktorque Up to 50% higher torque
StepSERVOspeed-torquecurve
#DWwebinar
0
50
100
150
200
250
300
0 5 10 15 20 25 30 35 40
Torque
(oz-in)
Speed(rev/sec)
StepSERVOpeaktorque StepSERVOcon1nuoustorque Openloopusabletorque
StepSERVOClosedlooptorqueStepSERVOClosedlooptorque
Openlooptorque
ComparisonofOpenloopandStepSERVOspeed-torquecurves
Up to 85% more torque than open loop.
#DWwebinar
0
5
10
15
20
25
0 0.02 0.04 0.06 0.08 0.1 0.12
Speed(rev/sec)
Time(sec)
Openloopmoveprofile
Fastestopenloopmoveprofile
#DWwebinar
0
5
10
15
20
25
0 0.02 0.04 0.06 0.08 0.1 0.12
Speed(rev/sec)
Time(sec)
FastestStepSERVOmoveprofile
ComparisonofOpenloopandStepSERVOmoveprofiles
45% shorter move time than open loop. Almost 2X the number of cycles per minute.
Fastestopenloopmoveprofile
#DWwebinar
2.EFFICIENCY:StepSERVOmotorsconsumelesspower.
#DWwebinar
0
2
4
6
8
10
12
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7
Speed(rev/sec)
Time(sec)
Openloopstepper StepSERVOClosedloopstepper
43.8WaKs 14.2WaKs
Side-by-sidecomparison:Samemoveprofileforbothmotors…• Accel=100rev/sec2• Decel=100rev/sec2• Speed=10rev/sec• Distance=5rev• Dwell1me=0.1sec
AveragePowerConsump'on:
More efficient!
#DWwebinar
3.HEATING:StepSERVOrunscooler.
#DWwebinar
Ploss = i2R Alargepor1onofthelossesinamotor(Ploss)isequaltothesquareofthecurrent(i2)1mesthewindingresistance(R).Lossesgenerateheat.
#DWwebinar
• StepSERVOmotorsonlydrawthecurrenttheyneedtomovetheload.• Openloopmotorsdrawthesameamountofcurrentwhetherit’srequiredtomovetheloadornot.
IMPORTANT!
#DWwebinar
0
2
4
6
8
10
12
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7
Speed(rev/sec)
Time(sec)
Openloopstepper StepSERVOClosedloopstepper
76.0°C 36.9°C
Side-by-sidecomparison:Samemoveprofileforbothmotors…• Accel=100rev/sec2• Decel=100rev/sec2• Speed=10rev/sec• Distance=5rev• Dwell1me=0.1sec
MotorCaseTemperature,aZer30minutes:
Runs cooler!
#DWwebinar
4.AUDIBLENOISE:StepSERVOrunsquieter.
#DWwebinar
MotorUnderTest(MUT)
Microphone
#DWwebinar
0
10
20
30
40
50
60
70
80
90
0 5 10 15 20 25 30 35 40
Audibleno
ise(d
BA@
12")
Speed(rev/sec)
Openloop
StepSERVO™closedloop
From0to1700rpm,StepSERVOisno1ceablyquieter.
From1700to2000rpm,Thereisnotmuchdifference.
Stepmotorsarenotgenerallyrecommendedabove2000rpm.
#DWwebinar
5.COST:StepSERVOoffersgreatvalue.
#DWwebinar
OpenLoop OpenLoopw/encoder
StepSERVOClosedLoop
1X1X
1.2X 1.38X
Rela'veCostComparison:IntegratedStepperMotors
Only38%morethanopenloop
Only15%morethanopenloopw/encoder!
Start at $257
1.15X1X
#DWwebinar
SPECIFICATIONS:TSMSSMTXM
#DWwebinar
TSM Specifica+ons
• DCinputvoltagesup70VDC• RS-232,RS-485• 8DIN,4DOUT,1AIN• Step&Direc1on,AnalogVelocity/Torque/Posi1on,StreamingCommands,StoredProgramExecu1on,Fieldbus:
• NEMA11,17and23framesizes
#DWwebinar
• DCinputvoltagesup70VDC• Ethernet• 3DIN,1DOUT,1AIN• Step&Direc1on,AnalogVelocity/Torque/Posi1on,StreamingCommands,StoredProgramExecu1on,Fieldbus:
• NEMA23framesize
SSM Specifica+ons
#DWwebinar
TXM Specifica+ons
• DCinputvoltagesup70VDC• RS-232,RS-485,Ethernet• 3DIN,1DOUT,1AIN• Step&Direc1on,AnalogVelocity/Torque/Posi1on,StreamingCommands,StoredProgramExecu1on,Fieldbus:
• NEMA24framesize• IP65rated,M12connectors
#DWwebinar
TSM SSM TXM
• IP65• NEMA24• RS-232,RS-485,Ethernet
• IP40• NEMA11,17,23• RS-232,RS-485
• IP40• NEMA23• Ethernet
• Step&Dir,Velocity,StreamingCommands,StoredProgram,Fieldbus
#DWwebinar
WhatStepSERVOIS…• Technologyforclosedloopcontrolofbrushlessmotors.• Amotorforpreciseandaccurateposi1oningapplica1onswith…
• Moretorque.• Higheraccelera1onrates.• Be_eroverallsystemaccuracy.• Lesswastedenergyandheat.• Be_erefficiency.• Lessaudiblenoise.
#DWwebinar
WhatStepSERVOIS…• Anexcellentsolu1onforvelocitycontrolapplica1ons.• Anexcellentsolu1onfortorquecontrolapplica1ons.• Anexcellentsolu1onforallkindsofapplica1ons,including…
• Labelling• Materialhandling• 3Dprin1ng• Automatedassembly• Pressing• Capping,screwing
• Linearapplica1onswithballscrews,leadscrewsandbeltactuators
• Medicaldevices• Laboratoryequipment• Semiconductormachinery• CNCmachining• Andmany,manymore…
#DWwebinar
WhatStepSERVOISNOT…• Alow-polecountservomotor(e.g.4,6or8poles).• Recommendedforspeedsabove2000rpm.
#DWwebinar
ResourcesProductInforma1on:www.applied-mo'on.com
• Applica1onNotes• Videos• SovwareDownloads• ManualsandQuickSetupGuides
#DWwebinar
ResourcesWhitePaper:www.applied-mo'on.comDIRECTLINK:www.applied-mo1on.com/stepservo-white-paper
#DWwebinar
ResourcesContactwww.applied-mo'on.comDIRECTLINK:www.applied-mo1on.com/contact
1-800-525-1609
#DWwebinar
Monthlye-Newsle_erSignUpHere:www.applied-mo'on.com/newsleKerDIRECTLINK:www.applied-mo1on.com/newsle_er
• 1Emailpermonth• Newproductreleases• Technical1ps&tricks• More…
#DWwebinar
Thankyou!
#DWwebinar
Miles Budimir Senior Editor Design World [email protected] @DW_Motion
Eric Rice Marketing Director Applied Motion Products, Inc. [email protected] @ampmotion
Questions?
StepSERVO Technology: Bridging the gap between Cost Effective and High Performance Motion Control
#DWwebinar
Thank You q This webinar will be available at
designworldonline.com & email
q Tweet with hashtag #DWwebinar
q Connect with Design World
q Discuss this on EngineeringExchange.com