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simulation performance for real-time deployment

performing real-time and hardware-in-the-loop simulation using a simscape™ driveline™ model typically involves trade-offs between model fidelity and simulation performance, that is, speed. the simscape driveline libraries include blocks that allow you to simplify high-fidelity models in a single step by selecting a parameter option that is designated as suitable for hil. if you have a simulink® real-time™ license, you can optimize your simscape driveline model for real-time execution using the execute real-time application activity mode in the performance advisor.

simscape blocks

clutch with toothed plates that engage when plate teeth become enmeshed
back-to-back dog-cone clutch pairs assembled symmetrically about a translational detent to provide smooth gear engagement
cone clutch, dog clutch, and translational detent assembled to provide smooth gear engagement
spring and damper system that absorbs translational shocks
viscous fluid coupling between rotating driveline shafts
rotational spring and damper coupling with coulomb friction, locking, and hard stops
dynamic gearbox with variable and controllable gear ratio, transmission compliance, and friction losses
generic internal combustion engine
planetary gear train with stepped planet gear set
gear mechanism that allows driven shafts to spin at different speeds
planetary gear train with two meshed planet gear sets
high-ratio speed reducer based on elastic deformation of an elliptical gear
leadscrew gear set of threaded rotating screw and translating nut, with adjustable thread and friction losses
gear train with sun, planet, and ring gears
planetary gear set of carrier, inner planet, and outer planet wheels with adjustable gear ratio and friction losses
rack and pinion gear coupling translational and rotational motion, with adjustable pinion radius and friction losses
planetary gear with two sun gears and two planet gear sets
planetary gear set of carrier, planet, and ring wheels with adjustable gear ratio and friction losses
simple gear of base and follower wheels with adjustable gear ratio, friction losses, and triggered faults
planetary gear set of carrier, planet, and sun wheels with adjustable gear ratio and friction losses
planetary gear set of carrier and beveled planet and sun wheels with adjustable gear ratio, assembly orientation, and friction losses
planetary gear set of carrier, worm planet, and sun wheels with adjustable gear ratio, worm thread type, and friction losses
worm gear with adjustable gear ratio and friction losses
tire with friction parameterized in terms of static and kinetic coefficients
tire defined by magic formula coefficients
no-slip tire model with minimal parameters

topics


  • optimize simulation performance by adjusting simscape driveline and simscape solver settings and model fidelity.


  • learn the principles and guidelines for transmission modeling.

  • vehicle with dual clutch transmission

    this example shows a vehicle with a five-speed automatic dual-clutch transmission.


  • this example shows a vehicle that has a four-speed manual transmission.


  • resolve numerical issues that can occur for simscape driveline models during simulations that use the simscape partitioning solver.

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