CarSim 2024.1 cracked release

Description

RELEASE NOTE PDF

CarSim Advantages

CarSim, TruckSim, and BikeSim are used worldwide by over 110 OEMs and Tier 1 suppliers and over 200 universities and government research labs. (There are thousands of active CarSim seats, not including driving simulators or students.) Here are some reasons why so many engineers have selected CarSim:

1. CarSim is used extensively by 7 of the 10 largest automotive OEMs. OEM users consistently find close agreement between CarSim predictions and test results.
2. CarSim works as a standalone application; it does not require any other software to perform simulations.
3. On the other hand, CarSim has a standard interface to MATLAB/Simulink, NI LabVIEW, and FMI/FMU.
4. CarSim allows users to build complex scenarios and test event sequences.
5. CarSim includes built-in controllers to mimic driver behavior: path following, speed and acceleration control, gear shifting and mechanical clutch control, etc.
6. CarSim supports:
   1. Software-in-the-loop
   2. Model-in-the-loop
   3. Hardware-in-the-loop
   4. Driver-in-the-loop
7. Model options such as trailers, dual tires, and ADAS sensors are supported in the CarSim Math Model library. Here is the PDF with CarSim Model and License Options.
8. CarSim has an intuitive user interface and powerful analysis tools .
9. CarSim supports vehicle sensors and interactive traffic for V2V and ADAS development.
10. CarSim includes numerous example vehicles, roads, and procedures to assist first-time users.
11. CarSim parameters and tables are measurable, and there are privately owned companies that can measure vehicles for use in CarSim.
12. CarSim includes about 3000 pages of indexed documentation covering all aspects of the software.
13. CarSim includes example datasets for over 15 vehicle types (with about 80 variants in total), used in over 600 example simulations.
14. CarSim is economical in comparison to other commercial vehicle dynamics software tools.

VehicleSim Technology

CarSim, BikeSim, and TruckSim all use technology first introduced in 1990 and developed continuously since then. Efficient parametric math models reproduce system-level vehicle dynamics behavior, under the control of a GUI intended for engineers who need to evaluate vehicle/controller behavior without spending weeks of training. VehicleSim products also include the VS Visualizer tool for viewing simulations with plots and photo-realistic animation.

In addition to the built-in capabilities of the CarSim models, the VehicleSim software tools include methods to extend the capabilities with user-defined programs and/or connections to third-party software:

1. Commercial simulation environments Simulink (the MathWorks), LabVIEW (National Instruments), and ASCET (ETAS).
2. Simulation environents that support the Functional Mockup Interface (FMI); CarSim can automatically generate Functional Mockup Units (FMUs) that work in many external software environments.
3. VS Commands (the built-in scripting language).
4. Run with custom programs (MATLAB, Visual Basic, C/C++) using the VS SDK (software development kit).
5. Run with remote control via Windows COM and other methods.
6. Support of HIL (hardware in the loop) testing on major RT (real time) platforms.
7. Support of driving simulators that use CarSim as the RT vehicle math model.

See the links in the sidebar for more information about the technology and simulation features available in CarSim.

VS Solver Architecture
Import Arrays for Connecting to External Software
VS Solvers may be run under the control of wrapper programs in simulation environments that
combine external model components with the VS Math Model, exchanging information using
arrays of import and export variables. The variables used to create the Import and Export arrays are
defined before the simulation starts, using the IMPORT and EXPORT VS Commands. The IMPORT
command identifies the import variable that will be added to the Import array and specifies a mode
for usage within the VS Math Model.
In prior versions, three modes were available for variables associated with the Import array: ADD,
MULTIPLY, and REPLACE. The mode could only be specified prior to the start of the simulation
using the IMPORT command. After the run started, it could not be changed.
The mode of an Import variable may now be changed during the simulation using a new VS
Command SET_IMPORT_MODE. In addition, a new mode AVAILABLE has been added. This
mode indicates that the variable is in the Import array but is not currently being used by the VS

Math Model. The intent is that the action of setting up the Import array has been separated from
the actions of using the import variables, to allow complicated scenarios to be simulated in which
external controller or model components are enabled and disabled for different time sections within
the simulation.
Timeline for Starting a Simulation
A Simulation is started by reading input files that define the layout of the model and values for
parameters in the model, and then initializing the model. At a certain point, the model is “locked”
in the sense that the number of ordinary differential equations (ODEs) is set. In recent versions,
that point occurred at the end of the process of reading input files. When running under external
control via the VS API, this step is performed by the API function vs_setdef_and_read.
The locking of the model now takes place slightly later, in the step performed by the API function
vs_initialize. This allows custom wrapper programs to extend the model via API functions
after input Parsfiles have been read, but before the model is initialized. For example, this change
allows a wrapper to install the speed controller in support of other options used by the wrapper.
Timeline for Each Timestep
Starting with version 2023.0, the calculations done each timestep have been reorganized to perform
model calculations in four specific stages each timestep:
1. State: the model state (position and speed state variables) is known, and information about
the environment is updated.
2. Control: built-in driver controls are applied.
3. Kinematics: variables are calculated that depend on position and velocity information.
4. Dynamics: variables are calculated using the remaining equations in the model, including
forces, moments, accelerations, and outputs that depend on these variables.
The re-ordering of internal calculations continued for the current release, such that all driver
controls are now done in the Control stage, and more environmental information is available in the
State stage. There are slight differences in the newer versions because lags in the controllers were
eliminated.

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