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![Page 1: Design and Calculation of „Fast-Running“ Shunting · PDF fileDesign and Calculation of „Fast-Running“ Shunting Locomotives Dipl.-Ing. Claudia Kossmann Stadler Bussnang AG (Switzerland)](https://reader034.vdocument.in/reader034/viewer/2022052319/5a7987487f8b9a6c158cc8f2/html5/thumbnails/1.jpg)
Design and Calculation of „Fast-Running“ Shunting Locomotives
Dipl.-Ing. Claudia Kossmann
Stadler Bussnang AG (Switzerland)
SIMPACK User Meeting 2011
![Page 2: Design and Calculation of „Fast-Running“ Shunting · PDF fileDesign and Calculation of „Fast-Running“ Shunting Locomotives Dipl.-Ing. Claudia Kossmann Stadler Bussnang AG (Switzerland)](https://reader034.vdocument.in/reader034/viewer/2022052319/5a7987487f8b9a6c158cc8f2/html5/thumbnails/2.jpg)
Claudia Kossmann SIMPACK User Meeting 2011 2
Shunting Locomotive Ee 922 - Introduction
• 2007: Swiss Federal Railways (SBB) called for tenders for a 2-axle electric shunting locomotive
• Operating conditions: shunting of coaches in main stations with maximum operating speed of 40km/h
• Main vehicle data:- weight 40 – 45t- axle distance 4 – 4.5m
• Soft axle guidance desired (wear reduction)
• Maximum speed for transfer vehicle between stations and maintenance site: 100 km/h
���� Investigation of the hunting behavior necessary
![Page 3: Design and Calculation of „Fast-Running“ Shunting · PDF fileDesign and Calculation of „Fast-Running“ Shunting Locomotives Dipl.-Ing. Claudia Kossmann Stadler Bussnang AG (Switzerland)](https://reader034.vdocument.in/reader034/viewer/2022052319/5a7987487f8b9a6c158cc8f2/html5/thumbnails/3.jpg)
Claudia Kossmann SIMPACK User Meeting 2011 3
• Building a SIMPACK modelfrom design picture and sketch
Shunting Locomotive Ee 922 – Design Stage
![Page 4: Design and Calculation of „Fast-Running“ Shunting · PDF fileDesign and Calculation of „Fast-Running“ Shunting Locomotives Dipl.-Ing. Claudia Kossmann Stadler Bussnang AG (Switzerland)](https://reader034.vdocument.in/reader034/viewer/2022052319/5a7987487f8b9a6c158cc8f2/html5/thumbnails/4.jpg)
Claudia Kossmann SIMPACK User Meeting 2011 4
Shunting Locomotive Ee 922 – SIMPACK Model
• Model with 9 bodies
– wheelsets
– axle boxes
– motor/gear unit
– carbody
• Standard force elements for
– primary springs
– primary dampers
– traction rods
– bump stops
![Page 5: Design and Calculation of „Fast-Running“ Shunting · PDF fileDesign and Calculation of „Fast-Running“ Shunting Locomotives Dipl.-Ing. Claudia Kossmann Stadler Bussnang AG (Switzerland)](https://reader034.vdocument.in/reader034/viewer/2022052319/5a7987487f8b9a6c158cc8f2/html5/thumbnails/5.jpg)
Claudia Kossmann SIMPACK User Meeting 2011 5
Shunting Locomotive Ee 922 – Stability Chart
• Calculation of critical speed with parameter variation
• Stability chart for basis model ���� insufficient stabilityCritical speed
0
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0.00 0.05 0.10 0.15 0.20 0.25 0.30 0.35 0.40 0.45 0.50 0.55 0.60 0.65 0.70 0.75 0.80
Conicity λ
v.c
rit
[km
/h]
Limit value
Basis Model 2007
Shunting Locomotive Ee 922 – Stability Chart
![Page 6: Design and Calculation of „Fast-Running“ Shunting · PDF fileDesign and Calculation of „Fast-Running“ Shunting Locomotives Dipl.-Ing. Claudia Kossmann Stadler Bussnang AG (Switzerland)](https://reader034.vdocument.in/reader034/viewer/2022052319/5a7987487f8b9a6c158cc8f2/html5/thumbnails/6.jpg)
Claudia Kossmann SIMPACK User Meeting 2011 6
Shunting Locomotive Ee 922 – Time Integration
• Non linear wheel/rail contact with worn profiles
• Investigation of sum of lateral forces (stability criterion)
Worn wheel profile
Worn rail profile
![Page 7: Design and Calculation of „Fast-Running“ Shunting · PDF fileDesign and Calculation of „Fast-Running“ Shunting Locomotives Dipl.-Ing. Claudia Kossmann Stadler Bussnang AG (Switzerland)](https://reader034.vdocument.in/reader034/viewer/2022052319/5a7987487f8b9a6c158cc8f2/html5/thumbnails/7.jpg)
Claudia Kossmann SIMPACK User Meeting 2011 7
Shunting Locomotive Ee 922 – Stability Chart
• Parameter variation: axle distance
Critical speed
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0.00 0.05 0.10 0.15 0.20 0.25 0.30 0.35 0.40 0.45 0.50 0.55 0.60 0.65 0.70 0.75 0.80
Conicity λ
v.c
rit
[km
/h]
Limit value
2a = 4.0m
2a = 4.5 m
2a = 5.0 m
axle distance
increasing
![Page 8: Design and Calculation of „Fast-Running“ Shunting · PDF fileDesign and Calculation of „Fast-Running“ Shunting Locomotives Dipl.-Ing. Claudia Kossmann Stadler Bussnang AG (Switzerland)](https://reader034.vdocument.in/reader034/viewer/2022052319/5a7987487f8b9a6c158cc8f2/html5/thumbnails/8.jpg)
Claudia Kossmann SIMPACK User Meeting 2011 8
Critical speed
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0.00 0.05 0.10 0.15 0.20 0.25 0.30 0.35 0.40 0.45 0.50 0.55 0.60 0.65 0.70 0.75 0.80
Conicity λ
v.c
rit
[km
/h]
Limit value
Stiffness Var 1
Stiffness Var 2
Stiffness Var 3
Stiffness Var 4
Stiffness Var 5
Stiffness Var 6
Shunting Locomotive Ee 922 – Stability Chart
• Parameter variation: stiffness of axle guidance
guiding stiffness
increasing
![Page 9: Design and Calculation of „Fast-Running“ Shunting · PDF fileDesign and Calculation of „Fast-Running“ Shunting Locomotives Dipl.-Ing. Claudia Kossmann Stadler Bussnang AG (Switzerland)](https://reader034.vdocument.in/reader034/viewer/2022052319/5a7987487f8b9a6c158cc8f2/html5/thumbnails/9.jpg)
Claudia Kossmann SIMPACK User Meeting 2011 9
Shunting Locomotive Ee 922 – Stability Chart
Critical speed
0
10
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0.00 0.05 0.10 0.15 0.20 0.25 0.30 0.35 0.40 0.45 0.50 0.55 0.60 0.65 0.70 0.75 0.80
Conicity λ
v.c
rit
[km
/h]
Limit value
Inertia Var1
Inertia Var2
Inertia Var3
Inertia Var4
inertia about z
decreasing
• Parameter variation: carbody moment of inertia about z
![Page 10: Design and Calculation of „Fast-Running“ Shunting · PDF fileDesign and Calculation of „Fast-Running“ Shunting Locomotives Dipl.-Ing. Claudia Kossmann Stadler Bussnang AG (Switzerland)](https://reader034.vdocument.in/reader034/viewer/2022052319/5a7987487f8b9a6c158cc8f2/html5/thumbnails/10.jpg)
Claudia Kossmann SIMPACK User Meeting 2011 10
Shunting Locomotive Ee 922 – SIMPACK Model
• Significant amount of vehicle mass is additional mass (needed for traction reasons)
• Modification of SIMPACK model
• 2 separate bodies positioned at the endof the carbody
• Suspended with springs
• Low spring stiffness in lateral direction
• Used as “tuned mass damper”
![Page 11: Design and Calculation of „Fast-Running“ Shunting · PDF fileDesign and Calculation of „Fast-Running“ Shunting Locomotives Dipl.-Ing. Claudia Kossmann Stadler Bussnang AG (Switzerland)](https://reader034.vdocument.in/reader034/viewer/2022052319/5a7987487f8b9a6c158cc8f2/html5/thumbnails/11.jpg)
Claudia Kossmann SIMPACK User Meeting 2011 11
Shunting Locomotive Ee 922 – Stability Chart
• Parameter variation: lateral stiffness of absorber mass spring
Critical speed
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0.00 0.05 0.10 0.15 0.20 0.25 0.30 0.35 0.40 0.45 0.50 0.55 0.60 0.65 0.70 0.75 0.80
Conicity λ
v.c
rit
[km
/h]
Limit value
A.Mass Stiffness Var1
A.Mass Stiffness Var2
A.Mass Stiffness Var3
A.Mass Stiffness Var4
stiffness
increasing
![Page 12: Design and Calculation of „Fast-Running“ Shunting · PDF fileDesign and Calculation of „Fast-Running“ Shunting Locomotives Dipl.-Ing. Claudia Kossmann Stadler Bussnang AG (Switzerland)](https://reader034.vdocument.in/reader034/viewer/2022052319/5a7987487f8b9a6c158cc8f2/html5/thumbnails/12.jpg)
Claudia Kossmann SIMPACK User Meeting 2011 12
damped undamped damped undamped
Shunting Locomotive Ee 922 – Root Locii
• Parameter variation: lateral stiffness of absorber mass spring
• Eigenvalue calculation for constant conicity (λ=0.7) and different velocities (10 .. 150 km/h)
lateral stiffness increasing
damped undamped
![Page 13: Design and Calculation of „Fast-Running“ Shunting · PDF fileDesign and Calculation of „Fast-Running“ Shunting Locomotives Dipl.-Ing. Claudia Kossmann Stadler Bussnang AG (Switzerland)](https://reader034.vdocument.in/reader034/viewer/2022052319/5a7987487f8b9a6c158cc8f2/html5/thumbnails/13.jpg)
Claudia Kossmann SIMPACK User Meeting 2011 13
Shunting Locomotive Ee 922 – Eigenmodes
• Eigenmode 1.5 – 2.5Hz
• Carbody yawing and mass lateral movement in phase
• Eigenmode 4 – 5Hz
• Carbody yawing and mass lateral movement in antiphase
![Page 14: Design and Calculation of „Fast-Running“ Shunting · PDF fileDesign and Calculation of „Fast-Running“ Shunting Locomotives Dipl.-Ing. Claudia Kossmann Stadler Bussnang AG (Switzerland)](https://reader034.vdocument.in/reader034/viewer/2022052319/5a7987487f8b9a6c158cc8f2/html5/thumbnails/14.jpg)
Claudia Kossmann SIMPACK User Meeting 2011 14
Shunting Locomotive Ee 922 – Parameter Optimization
• Refinement of SIMPACK model
• Definition of axle distance 4.0m
• Optimization of parameters:
– Soft primary spring and axle guiding
– Definition of mass spring and damper
– Definition of primary dampers
![Page 15: Design and Calculation of „Fast-Running“ Shunting · PDF fileDesign and Calculation of „Fast-Running“ Shunting Locomotives Dipl.-Ing. Claudia Kossmann Stadler Bussnang AG (Switzerland)](https://reader034.vdocument.in/reader034/viewer/2022052319/5a7987487f8b9a6c158cc8f2/html5/thumbnails/15.jpg)
Claudia Kossmann SIMPACK User Meeting 2011 15
Shunting Locomotive Ee 922 – Stability Verification
• Simulation of stability behavior
• Verification of behavior during type tests
![Page 16: Design and Calculation of „Fast-Running“ Shunting · PDF fileDesign and Calculation of „Fast-Running“ Shunting Locomotives Dipl.-Ing. Claudia Kossmann Stadler Bussnang AG (Switzerland)](https://reader034.vdocument.in/reader034/viewer/2022052319/5a7987487f8b9a6c158cc8f2/html5/thumbnails/16.jpg)
Claudia Kossmann SIMPACK User Meeting 2011 16
Shunting Locomotive Ee 922 – On Track
![Page 17: Design and Calculation of „Fast-Running“ Shunting · PDF fileDesign and Calculation of „Fast-Running“ Shunting Locomotives Dipl.-Ing. Claudia Kossmann Stadler Bussnang AG (Switzerland)](https://reader034.vdocument.in/reader034/viewer/2022052319/5a7987487f8b9a6c158cc8f2/html5/thumbnails/17.jpg)
Claudia Kossmann SIMPACK User Meeting 2011 17
Shunting Locomotive Eem 923 – Next Project
• 2-frequency – Hybrid – Locomotive BUTLER with Electric- and Dieselpower
• Ordered by SBB Cargo for Cargo- and Shunting-Services
• Maximum speed 100km/h (designed for 120km/h)
![Page 18: Design and Calculation of „Fast-Running“ Shunting · PDF fileDesign and Calculation of „Fast-Running“ Shunting Locomotives Dipl.-Ing. Claudia Kossmann Stadler Bussnang AG (Switzerland)](https://reader034.vdocument.in/reader034/viewer/2022052319/5a7987487f8b9a6c158cc8f2/html5/thumbnails/18.jpg)
Claudia Kossmann SIMPACK User Meeting 2011 18
Shunting Locomotive Eem 923 – SIMPACK Model
• Model of Ee 922
• Adjusted parameters:
– axle distance
– mass properties of carbody
– mass properties of absorber
• Evaluation of influence of
– axle distance change
– absorber mass
– center of gravityof absorber mass(asymmetry)
• Is it possible to use mass of components (diesel engine, converter) as absorber mass ?
![Page 19: Design and Calculation of „Fast-Running“ Shunting · PDF fileDesign and Calculation of „Fast-Running“ Shunting Locomotives Dipl.-Ing. Claudia Kossmann Stadler Bussnang AG (Switzerland)](https://reader034.vdocument.in/reader034/viewer/2022052319/5a7987487f8b9a6c158cc8f2/html5/thumbnails/19.jpg)
Claudia Kossmann SIMPACK User Meeting 2011 19
Shunting Locomotive Eem 923 – Simulations
• SIMPACK parameter variation on eigenfrequency:
– Calculation of eigenvalues:constant vehicle velocity, variation of conicity
– Fast overview over large arrayof conicities and velocities
• Selective simulations in time domain to determine forces, distances and velocities of force element
![Page 20: Design and Calculation of „Fast-Running“ Shunting · PDF fileDesign and Calculation of „Fast-Running“ Shunting Locomotives Dipl.-Ing. Claudia Kossmann Stadler Bussnang AG (Switzerland)](https://reader034.vdocument.in/reader034/viewer/2022052319/5a7987487f8b9a6c158cc8f2/html5/thumbnails/20.jpg)
Claudia Kossmann SIMPACK User Meeting 2011 20
Shunting Locomotive Eem 923 – Root Locii
• Calculation of eigenvalues
• v = 100 km/h
• v = 140 km/h
E.g. absorber mass: shifting of center of gravity in xtoward vehicle center has to be avoided
![Page 21: Design and Calculation of „Fast-Running“ Shunting · PDF fileDesign and Calculation of „Fast-Running“ Shunting Locomotives Dipl.-Ing. Claudia Kossmann Stadler Bussnang AG (Switzerland)](https://reader034.vdocument.in/reader034/viewer/2022052319/5a7987487f8b9a6c158cc8f2/html5/thumbnails/21.jpg)
Claudia Kossmann SIMPACK User Meeting 2011 21
Shunting Locomotive Eem 923 – Results
• Conclusions from simulation results(eigenvalue calculation and time integration):
– Possibility to reduce absorber masscompared to Ee 922
– Possibility to use mass of componentsas absorber mass
– Only little changes of suspension parameterscompared to Ee 922
• Additional simulations:safety against derailment, swaying behaviorrunning behavior in curves and turnouts
![Page 22: Design and Calculation of „Fast-Running“ Shunting · PDF fileDesign and Calculation of „Fast-Running“ Shunting Locomotives Dipl.-Ing. Claudia Kossmann Stadler Bussnang AG (Switzerland)](https://reader034.vdocument.in/reader034/viewer/2022052319/5a7987487f8b9a6c158cc8f2/html5/thumbnails/22.jpg)
Claudia Kossmann SIMPACK User Meeting 2011 22
Shunting Locomotive Eem 923 – Turnouts
• Simulation of runs through turnouts
• Evaluation of sum of Y-forces
• Comparison with limit value for switches(according to Swiss regulation)
(ΣΣΣΣY)max,2m
0.85 (10 + 2Q0/3)
25 + 2Q0/3
Interpolation
letz
te d
urc
hgehende
Schw
elle
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Claudia Kossmann SIMPACK User Meeting 2011 23
Shunting Locomotive Eem 923 – Turnouts
• SimulationTurnout S-curves
• Two locos connectedwith sophisticatedbuffer model- hysteresis elements- contact elements
• Leading loco v=const.trailing loco with max.traction force
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Claudia Kossmann SIMPACK User Meeting 2011 24
Shunting Locomotive Eem 923 – On Track soon