Abstract
Rugged and easily serviceable, mechanical governors continue to be used all over the world, especially in off-highway applications and nonroad engines. An inline pump illustrates the basic functions of mechanical control.
The hallmark of closed loop control is feedback of a controlled variable to the actuated variable, e.g. the injected fuel quantity specified by the setting of the inline pump’s control rack. Increasing the injected fuel mass at a constant load causes the speed to increase. In turn, the centrifugal force acting on the control device also increases and reduces the amount of rack travel. This creates a closed loop control circuit.
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Notes
- 1.
Electronic governors that regulate the start of injection/delivery already existed in the early 1980s.
Literature
Robert Bosch GmbH: Gelbe Reihe. Technische Unterrichtung. Motorsteuerung für Dieselmotoren. 2nd Ed. pp. 52–97
Moore, G. E.: Cramming more components onto integrated circuits. Electronics 38 (1965) 8
Further Literature
Robert Bosch GmbH: Dieselmotor-Management. 4th Ed. Wiesbaden: Vieweg (2004)
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© 2010 Springer-Verlag Berlin Heidelberg
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Projahn, U. et al. (2010). Fuel Injection System Control Systems. In: Mollenhauer, K., Tschöke, H. (eds) Handbook of Diesel Engines. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-89083-6_6
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DOI: https://doi.org/10.1007/978-3-540-89083-6_6
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