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Engine Speed Control based on H-infinity Control Theory
ipc-8-95/9530292

Authors

Hiroyuki Nishizawa - Toyota Central R&D Labs., Inc.
Masataka Osawa - Toyota Central R&D Labs., Inc.
Masatoshi Yamada - Toyota Central R&D Labs., Inc.
Atsuo Yamamoto - Toyota Automatic Loom Works, Ltd.
Yoshikazu Suematsu - Nagoya University

Abstract

An electronic speed controller is used for speed control of a gasoline engine for a forklift truck. This system needs a function of making engine speed follow-up to the reference speed set with open rate of the accelerator pedal. It also needs function of constant engine speed against torque disturbance, that is the load of a hydraulic pump during loading operation. In this study, we have applied H-infinity control theory to this system, and have confirmed that H-infinity Control is superior to Proportional Integrative Derivative (PID) control in robust stability and control performances from engine bench tests.

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