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PROCÉDÉ DE RÉGLAGE DE LA PRESSION DU RAIL DANS UN SYSTÈME D'INJECTION À RAIL COMMUN D'UN MOTEUR À COMBUSTION
PROCÉDÉ DE RÉGLAGE DE LA PRESSION DU RAIL DANS UN SYSTÈME D'INJECTION À RAIL COMMUN D'UN MOTEUR À COMBUSTION
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摘要
Proposed is a method for open-loop and closed-loop control of an internal combustion engine (1), the rail pressure (pCR) being controlled via a low pressure-side suction throttle valve (4) as the first pressure-adjusting element in a rail pressure control loop. The invention is characterized in that a rail pressure disturbance variable is generated to influence the rail pressure (pCR) via a high pressure-side pressure control valve (12) as the second pressure-adjusting element, by means of which fuel is redirected from the rail (6) into a fuel tank (2).
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