Testing high-power hydraulic pumps with NI LabVIEW (RT) and … · 2013-09-30 · 27sept BE / 29...
Transcript of Testing high-power hydraulic pumps with NI LabVIEW (RT) and … · 2013-09-30 · 27sept BE / 29...
Testing high-power hydraulic pumps with NI LabVIEW (RT) and the StateChart module
Jeffrey Habets & Roger Custerswww.vi-tech.nl
27sept BE / 29 sept NL Testing high-power hydraulic pumps with NI LabVIEW (RT) and the StateChart module 2
AgendaIntroduction to the teststandThe challengeNew setup – system overviewWindows application – User InterfaceRT applicationStatecharts – steam course!RT application – StatechartConclusions....Resources
27sept BE / 29 sept NL Testing high-power hydraulic pumps with NI LabVIEW (RT) and the StateChart module 3
Introduction – Hydraulic pumps usage
27sept BE / 29 sept NL Testing high-power hydraulic pumps with NI LabVIEW (RT) and the StateChart module 4
Introduction – Physical setup
27sept BE / 29 sept NL Testing high-power hydraulic pumps with NI LabVIEW (RT) and the StateChart module 5
Introduction - Pump test chamber
27sept BE / 29 sept NL Testing high-power hydraulic pumps with NI LabVIEW (RT) and the StateChart module 6
Introduction – what is tested
27sept BE / 29 sept NL Testing high-power hydraulic pumps with NI LabVIEW (RT) and the StateChart module 7
The challenge● Design, implement, integrate and going live within 8 weeks ...● During implementation and integration: Surprise!
new requirements
● Hydraulic drive motor is replaced by an electric 250kW motor controlled by a Bosch Rexroth Indradrive
● PLC is replaced by a cFP controller with an LV RT application● Several stand-alone data-acquisition units that where used to
record measurement data are replaced by doing DAQ via cFP● System operable by more than just the guy who created it and
knows all ins and outs● The State Chart is your best friend !
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New setup – system overview
Compact Field PointE-HW
Motion control PCsystem
(HMI)
Analog I/O&
Digital I/O
modules
Hydraulics
Ethernet
Profibus
Servo drive
DUT
(Hydraulicpump
orhydraulicmotor)
64 DI24 AI
48 DO16 AO
Servo motor
stimuli &control
DAQ &Status
27sept BE / 29 sept NL Testing high-power hydraulic pumps with NI LabVIEW (RT) and the StateChart module 9
PC
cFPRT application
HMI applicationMotion control process(profibus)
shared variable engine
RT FIFO's
writeoutputs
readinputs
network published Shared variables
network published Shared variables
RT FIFO's
Control logicStateChart
network published Shared variables citadel DSC
history
alarm control visualize
report
New setup – Software overview
27sept BE / 29 sept NL Testing high-power hydraulic pumps with NI LabVIEW (RT) and the StateChart module 10
Windows app - User interface
27sept BE / 29 sept NL Testing high-power hydraulic pumps with NI LabVIEW (RT) and the StateChart module 11
Windows app - User interface
27sept BE / 29 sept NL Testing high-power hydraulic pumps with NI LabVIEW (RT) and the StateChart module 12
Windows app - User interface
27sept BE / 29 sept NL Testing high-power hydraulic pumps with NI LabVIEW (RT) and the StateChart module 13
Windows app - User interface
27sept BE / 29 sept NL Testing high-power hydraulic pumps with NI LabVIEW (RT) and the StateChart module 14
Windows app - User interface
27sept BE / 29 sept NL Testing high-power hydraulic pumps with NI LabVIEW (RT) and the StateChart module 15
Windows app - User interface
27sept BE / 29 sept NL Testing high-power hydraulic pumps with NI LabVIEW (RT) and the StateChart module 16
PC
cFPRT application
HMI applicationMotion control process(profibus)
shared variable engine
RT FIFO's
writeoutputs
readinputs
network published Shared variables
network published Shared variables
RT FIFO's
Control logicStateChart
network published Shared variables citadel DSC
history
alarm control visualize
report
Software overviewPC
cFPRT application
HMI applicationMotion control process(profibus)
shared variable engine
RT FIFO's
writeoutputs
readinputs
network published Shared variables
network published Shared variables
RT FIFO's
Control logicStateChart
network published Shared variables citadel DSC
history
alarm control visualize
report
27sept BE / 29 sept NL Testing high-power hydraulic pumps with NI LabVIEW (RT) and the StateChart module 17
Statechart Rexroth Proefstand
27sept BE / 29 sept NL Testing high-power hydraulic pumps with NI LabVIEW (RT) and the StateChart module 18
Statecharts
● Available as LabVIEW Addon module● Adds hierarchy and concurrency to statemachine● Design applications at a higher level● Generates LabVIEW code ● Runs on RT controllers, FPGA and embedded targets
27sept BE / 29 sept NL Testing high-power hydraulic pumps with NI LabVIEW (RT) and the StateChart module 19
Vending machine state machine States
1.) INIT – initialize our Coke Machine2.) WAIT FOR EVENT – where the machine waits for coins3.) RETURN CHANGE – where the machine returns change4.) COKE PRODUCT – machine received 50 or more cents → dispense beverage5.) QUARTER – when the customer enters a quarter6.) DIME – when the customer enters a dime7.) NICKLE – when the customer enters a nickel8.) EXIT – after the change is returned and/or beverage dispensed, the machine will power down (application will terminate)
27sept BE / 29 sept NL Testing high-power hydraulic pumps with NI LabVIEW (RT) and the StateChart module 20
Vending machine state machine
27sept BE / 29 sept NL Testing high-power hydraulic pumps with NI LabVIEW (RT) and the StateChart module 21
Vending machine statechart
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The components of a statechart
Initial pseudostate
Transition
State
Region
Terminal pseudostate
components
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How this looks in the development environment
27sept BE / 29 sept NL Testing high-power hydraulic pumps with NI LabVIEW (RT) and the StateChart module 24
How this looks in the development environment
27sept BE / 29 sept NL Testing high-power hydraulic pumps with NI LabVIEW (RT) and the StateChart module 25
How this looks in the development environment
27sept BE / 29 sept NL Testing high-power hydraulic pumps with NI LabVIEW (RT) and the StateChart module 26
How this looks in the development environment
27sept BE / 29 sept NL Testing high-power hydraulic pumps with NI LabVIEW (RT) and the StateChart module 27
How this looks in the development environment
27sept BE / 29 sept NL Testing high-power hydraulic pumps with NI LabVIEW (RT) and the StateChart module 28
Statechart Rexroth Proefstand
27sept BE / 29 sept NL Testing high-power hydraulic pumps with NI LabVIEW (RT) and the StateChart module 29
Statechart Rexroth Proefstand
27sept BE / 29 sept NL Testing high-power hydraulic pumps with NI LabVIEW (RT) and the StateChart module 30
Statechart Proefstand Start EM1 transition
27sept BE / 29 sept NL Testing high-power hydraulic pumps with NI LabVIEW (RT) and the StateChart module 31
Statechart Hierarchy Subdiagram
27sept BE / 29 sept NL Testing high-power hydraulic pumps with NI LabVIEW (RT) and the StateChart module 32
Statechart Subdiagram Automatisch vullen
27sept BE / 29 sept NL Testing high-power hydraulic pumps with NI LabVIEW (RT) and the StateChart module 33
Statechart Entry Action Stopping vullen
27sept BE / 29 sept NL Testing high-power hydraulic pumps with NI LabVIEW (RT) and the StateChart module 34
Statechart Exit Action Stopping vullen
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Statechart Static Reaction Stopping vullen
27sept BE / 29 sept NL Testing high-power hydraulic pumps with NI LabVIEW (RT) and the StateChart module 36
DEMO: Frontpanel Statechart StandAloneTest.vi
Inputs: 64 DI,24 AI,55 Control
Outputs: 48 DO,16 AO,40 Visualize
Debug diagram
Active States
27sept BE / 29 sept NL Testing high-power hydraulic pumps with NI LabVIEW (RT) and the StateChart module 37
Benefits experienced
● Changes in system behavior requirements easier● Offline debugging and simulating of system ● Implementation together with customer / user● Statechart diagram is readable for other engineers ● Quick overview state of system when online debugging● Self documenting
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ResourcesLVUG: LabVIEW State Machines & Statechart Module http://zone.ni.com/wv/app/doc/p/id/wv-417
LVUG: Programming Guidelines and Techniques for the Statechart Modulehttp://zone.ni.com/wv/app/doc/p/id/wv-449
Frequently Asked Questions for the LabVIEW Statechart Modulehttp://digital.ni.com/public.nsf/allkb/06B32542713158ED862573A700830B28
Download the presentation: www.vi-tech.nl
Stay in touch http://nl.linkedin.com/in/vitech JeffreyHabets
27sept BE / 29 sept NL Testing high-power hydraulic pumps with NI LabVIEW (RT) and the StateChart module 39
27sept BE / 29 sept NL Testing high-power hydraulic pumps with NI LabVIEW (RT) and the StateChart module 40
Shared Variable Engine
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Example synchronous statechart