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A schedule reliability problem (SRP) optimization model for dynamic berth allocation in container terminal (CT) is proposed. The model focuses on the minimum average schedule missed hours of ships between the ship schedule departure time and the actual departure time to enhance the schedule reliability (SR) of ships in CT, and the quay crane allocation is considered in this model. Particle swarm optimization...
In pattern recognition system, many irrelevant or redundant features will not only reduce the performance of classifier but also lead to the "dimension disaster", so it is important to select features. This thesis proposes a new method of feature subset selection, which is based on discrete binary version of particle swarm optimization (BPSO) and overlap information entropy (OIE). This method...
Main contributions include: (1) A platform composed of a structure-light vision sensor and a industrial robot is established for robot calibration. (2) Transform the robot calibration to an optimization problem through measuring a fixed point at different hand poses and positions. (3) A multi-thread particle swarm optimization algorithm is proposed and applied in robot kinematic parameter estimation...
A robot can be used to non-contact measurement with a structured-light scanner fixed to its end effector. In order to transform the 2-dimension values measured by the sensor into the 3-dimension values in the world frame, the geometric model of the system is established. A method to estimate hand-eye matrix is presented, which uses a radius-known ball, whose center is derived from the least square...
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