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A Microprocessor Data Acquisition System has been designed to be cab-mounted in vehicles or used in laboratories to acquire up to 16 channels of test data. This data may be acquired as time-at-level histograms in one or two dimensions with min-max-mean data recovery, time histories, or peaks and valleys stored on digital tape. The system includes a microcomputer-based Playback/Support Box that simplifies playback of data tapes for computer analysis or stand-alone data plotting using a graphics terminal.

A STD Bus, PC-DOS based data acquisition system has been developed for collecting ride, function and fatigue data from field vehicles. The system is modular with a channel capacity of 8 to 32 channels when configured with a full set of conditioning modules. Several alternate storage media systems are available to provide efficient data storage and transfer to standard personal computer systems for analysis. A modest system extension expands the system to enable it to become a flexible development tool for closed-loop control concepts and algorithms.