Microprocessor Based Data Acquisition for Analysis of Engine Performance 870386
A computer system for data acquisition and analysis has been assembled and tested as an engineering development tool for advanced diagnostic techniques. This system includes custom hardware and software to facilitate high-speed acquisition of data, both digital and analog. The digital data is acquired via a time-stamping procedure, whereas the analog signals are sampled with a multiplexed A/D converter. By simultaneously monitoring both types of signals available to the engine control module, the performance parameters of an engine can be analyzed as functions of either time or engine position. Examples of misfire detection are given which illustrate the need for accurate digital data. Other examples include high-resolution velocity profiles of a defective engine, and samples of signals obtained from a normal engine.
Citation: James, J., Murphy, J., Dosdall, J., and Marko, K., "Microprocessor Based Data Acquisition for Analysis of Engine Performance," SAE Technical Paper 870386, 1987, https://doi.org/10.4271/870386. Download Citation
Author(s):
John James, Jim Murphy, James Dosdall, Kenneth Marko
Affiliated:
Ford Motor Company Research Lab
Pages: 12
Event:
SAE International Congress and Exposition
ISSN:
0148-7191
e-ISSN:
2688-3627
Also in:
SAE 1987 Transactions-V96-87
Related Topics:
Data acquisition and handling
Computer software and hardware
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