Kinematic gauge calculations and preliminary multibody simulations of a trainset for 250 km/h
Jakobs bogie-type EMU's for Polish market
Kinematic gauge calculations
Multibody simulations:
ontrack simulations acc. to EN 14363 requirements
safety against derailment acc. to EN 14363
roll coefficient
critical speed determination
ride comfort optimization acc. to EN 12299
characteristic wind curve determination acc. to EN 14067
implementation of 2-point leveling system of air suspension instead of 4-point system in previous vehicles
Effects: unification of suspension for all vehicles that are operated in Poland and ca. 25x reduction of air consumption by air suspension system during curve negotiation.
non-Jakobs EMU's for foreign markets
Kinematic gauge calculations
Multibody simulations:
ontrack simulations acc. to EN 14363 requirements
safety against derailment acc. to EN 14363
roll coefficient
critical speed determination
ride comfort optimization acc. to EN 12299
characteristic wind curve determination acc. to EN 14067
Jakobs bogie-type EMU's for Polish and foreign markets
Kinematic gauge calculations
Multibody simulations:
ontrack simulations acc. to EN 14363 requirements
safety against derailment acc. to EN 14363
roll coefficient
critical speed determination
ride comfort optimization acc. to EN 12299
characteristic wind curve determination acc. to EN 14067
Long-distance Jakobs bogie-type EMU's for Polish market
Multibody simulations and spring calculations due to increased payload of vehicle
Effects: due to primary suspension spring replacement the vehicle may carry more passengers and it is more efficient for the operator
Optimisation of safety against derailment acc. to EN 14363
Effects: after the replacement of primary suspension elastic elements vehicles were able to re-enter the rail traffic
Kinematic gauge calculations of additional equipment mounted on the roof
Part of the motor and trailer bogie design team
Jakobs-type 2- and 3-car regional DMU's for German market (140 km/h)
Kinematic gauge calculations acc. to EN 15273-2 and German national rules
Multibody simulations:
ontrack simulations acc. to EN 14363 and DB Regio requiremens
safety against derailment acc. to EN 14363
roll coefficient
critical speed determination (equivalent conicity up to 0,8)
Jakobs-type 2-car DMU's for German and Polish market (140 km/h)
Kinematic gauge calculations
Multibody simulations:
ontrack simulations acc. to EN 14363 requirements
safety against derailment acc. to EN 14363
roll coefficient
critical speed determination
Jakobs-type 2-car DMU's for foreign and domestic market
Kinematic gauge calculations acc. to EN 15273-2
Multibody simulations:
ontrack simulations acc. to EN 14363 requirements
safety against derailment acc. to EN 14363
roll coefficient
critical speed determination
ride comfort optimization acc. to EN 12299
non-Jakobs DMU's for eastern Europe markets (Lithuania, Belarus)
Kinematic gauge calculations acc. to GOST 9238-2013 (1-T contour)
Multibody simulations acc. to GOST 34093-2017 (running dynamics and stability indexes, overturning resistance)
End-of-train lights visibility on curve analysis
Effects: engineering of the longest and the strongest DMU from Poland: PESA 760M for interregio traffic in Belarus (4 powerpacks, ca. 2400 kW power, 6 cars, 140 km/h)
Jakobs-type 3-car DMU for regional traffic for Italian and Polish market
Kinematic gauge calculations
Multibody simulations:
ontrack simulations acc. to EN 14363 requirements
safety against derailment acc. to EN 14363
roll coefficient
critical speed determination and verification during operation after conicity measurements
Two-axles passenger vehicle with one driver cab
My own idea of a passenger vehicle of one driver cab with 180-degree carbody rotation capability.
Diesel-electric and electric 4-axles locomotives (160 km/h)
Kinematic gauge calculations acc. to EN 15273-2
Multibody simulations:
ontrack simulations acc. to EN 14363 requirements
optimisation of stability of the vehicle
optimisation of suspension
Diesel-electric locomotive modernisation.
Part of the bogie design team.
Development of a new coach bogie for a speed of 230 km/h
Multibody simulations:
ontrack simulations acc. to EN 14363 requirements
safety against derailment acc. to EN 14363
roll coefficient
critical speed determination
ride comfort optimization acc. to EN 12299
Modernisation of passenger coach type 150A for a speed of 300 km/h
Part of the bogie design team
141A-10
141A-20
111A-20
111A-30
152A-10
152Aa-10
154A-10
154Aa-10
Z1A
3-car (134N type) and 5-car (128N type) trams
with independently rotating wheels
Kinematic gauge calculations
Multibody simulations:
ontrack simulations with consideration of the traction motor control system
safety against derailment acc. to self-developed methodology
Operates in:
Iași (Romania) - 122NaJ type,
Toruń - 121NbT and 122NbT types
Bydgoszcz (Poland) - 121NaB and 122NaB types
Kinematic gauge calculations
Multibody simulations:
ontrack simulations
safety against derailment acc. to self-developed methodology
roll coefficient
critical speed determination
The longest tram in Poland in 2026 - 42,83 m
Design of motor bogie 2014PNG type.
Kinematic gauge calculations
Multibody simulations:
ontrack simulations
safety against derailment acc. to self-developed methodology
roll coefficient
critical speed determination
optimisation of the hydraulic damper system
Kinematic gauge calculations
Multibody simulations:
ontrack simulations
safety against derailment acc. to self-developed methodology
roll coefficient
critical speed determination
Kinematic gauge calculations (compliant with PN-K-92008 standard and specific Client infrastructure requirements)
Multibody simulations:
ontrack simulations
safety against derailment acc. to self-developed methodology
roll coefficient
critical speed determination
Effects: suspension unifications (springs and other elastic elements) between bogies of tram 2017N (short version) and 2012N-10 (long version)
Kinematic gauge calculations acc. to Romanian standard SR 13353-5
Multibody simulations:
ontrack simulations
safety against derailment acc. to self-developed methodology
roll coefficient
critical speed determination
Kinematic gauge calculations (compliant with PN-K-92008 standard and specific Client infrastructure requirements)
Multibody simulations:
ontrack simulations
safety against derailment acc. to self-developed methodology
roll coefficient
critical speed determination
Kinematic gauge calculations (compliant with EVS 843:2016 standard and specific Client infrastructure requirements)
Multibody simulations:
ontrack simulations
safety against derailment acc. to self-developed methodology
roll coefficient
critical speed determination
development of new wheel profile, compliant with Client's infrastructure (mainly Ri60 rails)
Effects: significant reduction in curve negotiation noise and wheel wear
Kinematic gauge calculations (compliant with PN-K-92008 standard and specific Client infrastructure requirements)
Multibody simulations:
ontrack simulations
safety against derailment acc. to self-developed methodology
roll coefficient
critical speed determination
Tram for Prague and Plzeň acc. to Czech standard ČSN 28 0318
Tram for Košice acc. to Slovak standard STN 28 0337
Tram for Jerusalem acc. to Israeli standard SI 5350
Tram for Rome and Naples acc. to Italian standard UNI 7156
Tram for Osijek, Croatia
Tram for Edmonton, Canada
Tram for Woltersdorf, Germany
Tram for Bergen, Norway
Tram for Porto, Portugal
Tram for Uppsala, Sweden
Tram for Tampere, Finland
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