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MotionDesk

3-D Online Animation of Simulated Mechanical Systems in Real Time

dSPACE MotionDesk is a 3-D online animation software application that visualizes the results of hardware-in-the-loop (HIL) simulations for ECU tests. MotionDesk supports hardware simulation platforms from dSPACE, such as SCALEXIO and DS1006. The tool also supports offline simulation based on dSPACE VEOS and Simulink®. Recently, new features for developing and testing ADAS scenarios were added. These include camera sensor simulation during which MotionDesk video data is fed directly to the camera ECU and ideal point-cloud sensor models for the development of radar and lidar sensors.

  • MotionDesk 4.2

    MotionDesk 4.2 features an improved and more realistic representation of environments. The new terrain generation lets you realistically simulate road and surrounding terrains. The new long-road support makes it possible to create extremely long roads and road networks and simulate them in real time.

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  • MotionDesk 4.1

    Version 4.1 of the 3-D visualization software MotionDesk offers an improved display of lighting effects, which allows for a more realistic visualization of environments and additional test scenarios, such as night drives. The new features are especially useful for testing applications in the area of advanced driver assistance systems and autonomous driving.

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  • Stay Safe on the Roads

    Euro NCAP tests with virtual test drives

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  • Eyes on the Road

    Well-coordinated tools for simulation, testing and visualization are indispensable in validating modern driver assistance systems. Together, the Automotive Simulation Models (ASM), ModelDesk and MotionDesk from dSPACE form a perfectly coordinated tool chain for this task.

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  • Seeing is Knowing

    In developing controllers for applications like vehicle dynamics or driver assistance systems, simulations are crucial. The best way to understand the behavior of a simulated system is with animated visualization in realistic 3-D scenes.

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  • A Moving Variety – Efficient tests for commercial vehicle ECU variants

    For commercial vehicles, diversity is a standard. Scania has a nearly endless selection of vehicle types and modular vehicle configurations. And the generic electronic control unit (ECU) system has just as many variants. In a new test lab, Scania shows how this system can be validated with reliability.

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  • Validating Advanced Driver Assistance systems – Virtual test drives with hardware-in-the-loop simulation

    To validate the automatic emergency brake system, MAN uses a camera-in-the-loop setup, with innovative radar-camera data fusion.

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  • All Success Stories on MotionDesk

Application Areas

The best way to understand the behavior of a simulated system is to use animated visualization in realistic 3-D scenes. Combining a simulation system with real-time animation is the ideal way to get the whole picture. Since animations can be recorded and replayed, it is easy to compare different controller development strategies by using overlay techniques. MotionDesk enhances the dSPACE tool chain by visualizing how mechanical objects move in the 3-D world. MotionDesk is the perfect tool to visualize any kind of vehicle dynamics concept and driving maneuvers, such as lane change, split-μ, and cornering.

Key Benefits

MotionDesk helps you get more out of your HIL simulator, visualizing your simulation in virtual worlds that represent the simulation scenarios exactly. MotionDesk reads the data from the HIL simulator and displays the animation of the moving objects (vehicle, wheels, steering wheel, etc.) in real time, using the perspectives and render modes that you choose yourself, to give you a clear understanding of how the simulated objects actually behave. You can store the animations as experiment files and record video files to document and illustrate your developments.

Support of Advanced Driver Assistance Systems

MotionDesk provides enhanced support for all ADAS aspects, where the complexity of an action has to be seen to be understood. When an ADAS is tested, the visualization must be realistic enough for object recognition, and a high frame rate is crucial.

MotionDesk’s rendering engine guarantees detailed and realistic visualization. Even complex scenes can be rendered at a steady rate of 60 frames per second, and beyond.

For camera-based system tests as well as for radar and lidar developments, MotionDesk comes with valuable features, such as optical path simulations, camera sensor simulations, and ideal point-cloud sensor models. These features support developers of camera, radar, and lidar sensors in their work and simplify the test setup significantly, e.g., by eliminating the need for a simulation box with a camera ECU filming MotionDesk.

Feature Description Benefit
Instant animation
  • Powerful rendering engine
  • Low latency between simulation and animation
  • Intuitive motion model to accurately position the observer in the scene
  • Smart objects for simulating and visualizing state-dependent objects stimulated by the real-time simulation model (e.g., traffic lights, brake lights, direction indicators)
  • Detailed and realistic visualization
  • Even complex scenes can be rendered at a steady 60 frames per second.
  • Realistic man-in-the-loop simulation
Multitrack mode
  • Visual comparison of simulation run with reference data tracks
  • Parameter behavior studies
Force vector visualization
  • Forces represented graphically, e.g., by arrows
  • You can easily see which forces influence motion and how
3-D scene creation
  • Graphical interactive scene design
  • Scene creation integrated in MotionDesk
  • All done via drag & drop
  • Automatic generation of guard rails, noise barriers and environment objects
  • Automation API for remote-controlling MotionDesk
  • Automatic scene generation based on ModelDesk scenery types like city, highway, country road, alley, etc.
  • Precise definition and visualization of lane lines
  • Support of free lane lines and markings, delineators and safety barriers
  • Easy, intuitive operation
  • Operation from one tool
  • Fast scene creation and modification
  • Synergy with other tools for optimized workflow
  • Exact representation of lane lines is a necessity for developing and testing lane assistant systems
3-D object library
  • 3-D object libraries based on standardized COLLADA file formats
  • Imports and migrates VRML2
  • 3-D object search via keywords and names
  • Grouping 3-D objects
  • Steadily growing library of 3-D objects: cars, houses, trees, etc.
  • Animated characters (optional)
  • International traffic signs (optional)
  • Easy migration from older MotionDesk versions
  • 3-D object libraries can be extended by user-defined objects in COLLADA
  • Better overview of all objects
  • Better scene structures
  • More than 1200 3-D objects available for creating detailed and realistic scenes for various use cases from vehicle dynamics to advanced driver assistance systems and Car2x
Lossless, time-based data acquisition
  • Time-based simulation data acquisition with equidistant time stamps
  • Synchronized replay of recorded animations in real time
Speed control
  • Variable slow- and fast-motion replay
  • You can slow down the animation to observe details and speed it up during uneventful sections
Video file generation
  • Animations exported into video files (AVI, MPEG-4, etc.)
  • Archiving and distributing important animations
Multi-PC support
  • Scalable visualization system for interactive driving simulators via Multi-PC Interface Kit or directly with SCALEXIO simulators
  • More views increase realism during man-in-the-loop simulation
Optical path simulation
  • Simulation of optical paths for behind-sensor-stimulation (simulation of visual features such as lens distortion, chromatic aberration, vignetting in MotionDesk)
  • No need to set up a simulation box with camera ECU filming MotionDesk
Ideal point-cloud sensor model
  • Reflection points of traffic environment with high 3-D angular resolution
  • Different values for each reflection point: Distance, azimuth/elevation angle, relative speed, etc.
  • GPU-based camera sensor models in MotionDesk
  • Basis for development of radar and lidar sensors
NEW: Advanced lighting technology
  • Light sources can be attached to all objects
  • Shape, color, and intensity selectable for each light source
  • Different luminance distributions available for all light sources
  • Automatic positioning of the sun, based on a simple ephemeris model
  • Ambient light and shadows change dynamically
  • Realistic lighting behavior and visualization (e.g., reflections of brake lights)
  • Simulation of changing light conditions (e.g., sunset, sunrise) and night drives for the development of adaptive front-lighting systems (AFS)
  • Testing real headlights in real time

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