A Trajectory Generation Algorithm for Optimal Consumption in Electromagnetic Actuators

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Authors

Camless internal combustion engines offer improvements over traditional engines in terms of torque performance, reduction of emissions, reduction of pumping losses and fuel economy. Theoretically, electromagnetic valve actuators offer the highest potentials for improving efficiency due to their control flexibility. For real applications, however, the valve actuators developed so far suffer from high power consumption and other control problems. One key point is the design of the reference trajectory to be tracked by the closed loop controller. In this brief, a design technique aimed at minimizing power consumption is proposed. A constrained optimization problem is formulated and its solution is approximated by exploiting local flatness and physical properties of the system. The performance of the designed trajectory is validated via an industrial simulator of the valve actuator.

Original languageEnglish
Article number5936653
JournalIEEE Transactions on Control Systems Technology
Volume20
Issue number4
Pages (from-to)1025-1032
Number of pages8
ISSN1063-6536
DOIs
Publication statusPublished - 07.2012

    Research areas

  • Cost function, electromagnetic devices, motion control, optimization, trajectory design, Closed loop controllers, Constrained optimization problems, Control problems, Design technique, Electromagnetic actuators, Electromagnetic devices, Electromagnetic valves, High power consumption, Improving efficiency, Keypoints, Optimal consumption, Pumping loss, Real applications, Reference trajectories, Trajectory designs, Trajectory generation algorithms, Valve actuators, Actuators, Constrained optimization, Cost functions, Design, Fuel economy, Internal combustion engines, Motion control, Optimization, Trajectories, Electromagnets
  • Engineering

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