The architecture

The distinguishing feature in SPARC is that accidents are avoided through preventive action, i.e. by a predictive hazard detection system. The major architectural building blocks are:

• Command layer that provides a desired motion vector, i.e. the one derived from the driver inputs, supported by the human machine interface (HMI), and the advanced driver assistance systems (ADAS), i.e. a camera, GPS and RADAR. The command layer passes on the desired motion vector to the
• Co-ordination layer that evaluates and optimises the desired motion vector by comparing the inputs from the driver and the ADAS to create a secure motion vector for any driving situation. This is accomplished by the decision control system (DCS) which uses a central and redundant architecture to perform all necessary computational tasks. The result is passed on to the power train controller (PTC) which uses the same central and redundant architecture as above to control the execution layer, i.e. all mechatronic actuators.
• The Execution layer consists of a "by wire" steering and, braking system, the power pack (engine & transmission) and the energy system.