1975-02-01

Design Considerations For an On-Board Computer System 750434

A programmable digital logic system has been developed for vehicle powertrain control. The system is configured around a custom microcomputer, and has been demonstrated in the control of ignition timing and exhaust gas recirculation rate in a vehicle installation. The specific design resulted from considerations of performance, reliability, serviceability, flexibility, and cost. This work at Ford has made further contributions to establishing the feasibility of an On-Board Computer system for vehicle application, but direct cost effectiveness is not yet established, and many problems remain unresolved.

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