Simulation à coût fixe
Le type de solveur à pas fixe, le pas de temps et le nombre d’itérations que vous spécifiez pour un modèle ont une incidence sur la vitesse et la précision de votre simulation temps réel. Le workflow de simulation temps réel vous aide à choisir des paramètres de solveur à coût fixe qui permettent à votre modèle de s’exécuter sur une machine cible sans générer de dépassements.
Fonctions
simscape.getLocalSolverFixedCostInfo | Determine iteration requirement when transitioning to fixed cost (depuis R2021b) |
Rubriques
- Real-Time Simulation Workflow
Configure the solvers in your Simscape™ model for real-time simulation.
- Fixed-Cost Simulation for Real-Time Viability
Avoid real-time simulation overruns by choosing a step size and number of iterations that limit the computational cost of simulating your Simscape model.
- Solvers for Real-Time Simulation
The fixed-step solver, step size, and number of iterations that you specify affect how your Simscape model simulates in real time.
- Determine System Stiffness
Choose the right solver for fixed-cost simulation based on the numerical stiffness of your model.
- Choose Step Size and Number of Iterations
Optimize your Simscape model for real-time simulation and avoid overruns by specifying a combination of step size and number of iterations that provides acceptable accuracy and speed.
- Estimate Computation Costs
Determine if your Simscape model is likely to cause an overrun when you simulate it on your real-time target machine by estimating computational costs.
- Troubleshooting Real-Time Simulation Issues
Solve issues that cause your Simscape model to overrun during real-time simulation by using real-time workflows and Performance Advisor checks.