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gennaio 10, 2017 - Porsche

Virtual Driver’s Seat

Comunicato Stampa disponibile solo in lingua originale. 

The simulator enables highly precise tests of the interaction between the driver and the technology in practically every stage of the creation of new vehicles, systems and functions. The application spectrum ranges from the display of virtual reality within and outside of the vehicle to tests with complete vehicles. 

Driving simulations in the vehicle development process are the early interface between the human and the machine. They enable “test drives” with virtual vehicles in any digitized environment. Critical situations can be simulated in a risk-free and reproducible manner. And they significantly shorten development times: real components can be swapped in a flash, and virtual elements can be changed at the push of a button. 

Porsche put the first virtual driver’s seat for the examination of the interaction between the human and the machine into operation in 2007. The second generation of this development tool was designed based on experiences gathered with the first generation model. Some of the concepts from the first system were adopted in the second generation, while others were further developed or completely redesigned from the ground up. The new virtual driver’s seat is distinguished in particular by its variability and broad spectrum of application. On the platform of a hexapod, any given payload weighing up to 1,500 kg can be mounted—from simple seats to complex seating bucks and even entire vehicles in which the smaller motion pulses are directed through the front axle. The development engineers distinguish between three basic functions:

  • Throne is the name of the mode for pure visualization in which the only hardware is the driver’s seat.

  • Seating buck is the name of the configuration for interactive driving simulations with complete motion capability for the driver’s seat.

  • The entire vehicle option enables the incorporation of a real vehicle.

Hexapod with six degrees of freedom simulates accelerations

A core component of the virtual driver’s seat is the motion system. It consists of six independently controllable electric actuators and a platform for payloads. This hexapod with six degrees of freedom represents the accelerations that take place in the vehicle. It is installed in a pit in the simulator room and has a motion range of ±40 centimeters in longitudinal, lateral and vertical directions and ±30 degrees of rotation (pitch, roll and yaw) respectively. A specially developed access system to the platform ensures that payloads can be mounted easily without the aid of a crane and that getting into the seating buck does not require stairs or a ladder. In addition to easy accessibility, safety plays a central role in the simulator concept. A fence, surveillance camera and numerous sensors — on the belt buckle and doors — ensure safe operation.

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