APPARATUS FOR DIAGNOSING SELF-TRAVELLING VEHICLE

摘要

A diagnosis apparatus by which not only the status of an engine but also the amount of work of the engine can be measured. The apparatus comprises an engine speed measuring means (11) which measures the rotational speed N of the engine, a fuel injection quantity measuring means which measure the injected quantity (q) of fuel for one turn of the engine, a load weight measuring means which measures the weight W of load, a vehicle velocity measuring means (14) which measures the velocity V of the vehicle, a trigger signal generating means (82) which generates a trigger signal (d) every predetermined time period t DEG , and an arithmetic means (83a) which receives the measurement signals, find the time (t) during which both approximately the same rotational speed N and approximately the same injected quantity (q) of fuel are maintained from the number (n) of trigger signals (d) to calculate an accumulated total injected quantity Q of fuel and then calculates at least of of the injected quantity q1 of fuel for a unit time and the carrying capacity w1 for a unit injected quantity of fuel.