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Technology, Computer Science, and Applied Mathematics

ACEbox© II : Automotive Control Embedded Solution based on xPCTarget

IFP has developed the control system ACEbox© II for engine R&D test bench applications in order to aid in the development of powertrain systems from the initial research phase through to final calibration. This rapid prototyping assembly for powertrain systems is based on Matlab/Simulink and integrates until low level control of Powertrain's actuators.

 

Rapid Prototyping based on Mathworks xPC Target©

Rapid Prototyping of control algorithms in real time on an engine test bench...

Rapid Prototyping based on Mathworks xPC Target©

The ACEbox II system includes all the necessary software components for rapid prototyping of control algorithms. The system integrates a gasoline and diesel torque structure with all Simulink's drivers allowing to configure and modify control parameter in only one Drag & Drop.

 

Main Characteristics of the ACEbox© II System

 

  • Operation of gasoline or diesel engines from 1 to 6 cylinders.
  • Multiple injection & Spark events (from 1 to 8 events per engine cycle).
  • Accurate operation of solenoid valves and motored throttle valves.
  • Engine synchronisation on :
    • 2 AAC inputs of any type (with measuring the out of phase),
    • the engine crank by a captor of vehicle's target 60-2 or by a crank angle encoder with different resolutions.
  • OMERE© user interface with Windows XP on PC supervisor linked by TCP/IP 100Mbits with central unit ACEbox© II.
  • ACEbox© II based on PC architecture with timer card dedicated to engine applications.
  • Optimised overall dimensions and fitted to its industrial integration on an engine test bench.
  • Easy connection with captors and actuators cables of engine by separate connectors including power pins for all input.
  • ACEbox© II powered by 220VAC/50Hz and interface's modules with captor and actuators cables of engine powered by 12VCC.

ACEbox© II System

 

 

 

Synopsis

 

Synopsis

 

Interface's modules with captors/actuators cables of engine

 

Interface's modules with captors/actuators cables of engine

  • 1 DRIVEbox© module for operation of 6 ignition coils and 6 standard injectors.
  • Operation of multiple spark ignition and injection up to 8 events per cycle with programmable phasing and duration offering a resolution of approximately 0.1°CA and/or 1µs.
  • The TTL signals of the 6 injectors can be relayed to any external specific interface of power's electronic.
  • 1 ACTUATORbox© module for 6 PWM signed control, for 2 logical outputs at opened collector, for 4 logical TTL outputs and for 6 logical TTL inputs.
  • Control of +Vbat.
  • 1 CAN communication port.
  • 2 SENSORbox© modules for conditioning of 2x16 analog inputs (16 bit) and operation of 2x2 16 bit analog outputs.
  • Acquisition frequency of analog inputs every TDC (Top Dead Center) of every cylinder and/or every 6°CA of a vehicle's target 60-2 and/or at 10Hz, 100Hz.
  • 2 knock inputs recorded by analog windowing acquisition (16 bit) + 8 temperature measurements by thermocouple (type K).

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