Specifications

Data Acquisition

  • Compatible with any National Instruments hardware supporting > 100kS/S data acquisition and at least one 24-bit or greater counter
    • PCI-6023E, 250kS/s, 8 channels, £100 from eBay
    • PCI-6143, 250kS/s/channel, 8 channels, £999
    • cDAQ-9174 + NI-9411 + NI-9215, 100kS/s/channel, 4 channels, £1137
    • USB-6251, 1.25MS/s, 8 channels, £1749
    • PCI-6123, 500kS/s/channel, 8 channels, £2149
    • USB-6356, 1.25MS/s/channel, 8 channels, £2599
  • Crank angle resolution is unlimited (0.025 degrees are supported)
  • Up to three measurement resolutions per engine cycle
  • Supports one or two missing teeth per revolution enabling use of ECU crank position sensor input
  • Automatic compression TDC determination
  • Supports multiple DAQ cards for synchronised acquisition

Data Analysis

  • Includes knocking pressures, mean gas temperature, motored cylinder pressure, net heat release rate, pressure rise rate, mass fraction burned, burn durations, IMEP, indicated torque, knock intensity and integral, maximum burn rates, pressure rise rates, mean gas temperatures and pressure, polytropic coefficients, total heat release, Wiebe coefficients, estimate end of combustion
  • FFT of any channel
  • Start of combustion using ATI VISION interface or measured spark or injector data
  • Supports 2 or 4 stroke combustion cycles, unlimited number of cylinders and fully configurable engine geometry
  • Error checking of minimum, maximum and standard deviation of cycle results against defined limits
  • Full statistical analysis including minimum, maximum and standard deviation calculated over whole engine, individual cylinder and current cycle

Data Presentation

  • High speed graphing in crank angle, cycle or time based domain including pV
  • Scatter plotting of cycle data
  • Log axes
  • Waterfall plots

Data Exchange

  • Import combustion data in ASCII CSV or AVL IFile format
  • Export raw and calculated results in ASCII CSV, AVL IFile or MATLAB file format

ATI VISION Interface

  • Export cycle based results via virtual CAN interface for logging in ATI VISION with ECU parameters
  • Import ECU parameters during DAQ with ATI VISION COM interface

CAN Interface

  • Compatible with Kvaser and Vector CAN hardware
  • Create .dbc CAN database files for use in CAN logging SW including Vector CANalyzer/CANape and ETAS INCA
  • Output to real or virtual CAN channels upto 1Mb/s

PC Requirements

  • Intel compatible processor with 512Mb RAM, at least 50Mb free hard drive space. A PassMark CPUMark of at least 1000 is recommended for online DAQ and analysis
  • Windows XP, Vista or 7 operating system. 32-bit and 64-bit versions are supplied