This paper proposes a mathematical model of a feed drive system consisting of a cylindrical
linear motor and linear ball guides. The friction model consists of two components; a model …

Nanoscale motion control is required for the miniaturization and performance improvement
of mechatronic systems. In motion control at the nanometer scale, disturbances that do not …

This paper presents a nonlinear friction modeling and its evaluation for rolling friction
behaviors in ball screw-driven table systems. The rolling friction behaves as a nonlinear …

In this study, a method of modeling the frequency characteristic of a ball-screw-driven stage
in a design phase is proposed, targeting a printed-circuit-board drilling machine. A ball …

This paper presents a rolling friction model-based friction compensation in the precise
positioning of linear motor-driven table systems. The rolling friction in mechanisms behaves …

In this paper, a new precise positioning control of a Linear Induction Motor (LIM) system
guided by a linear ball bearing system is proposed. A coarse drive force resolution and slow …

This paper presents an initial friction compensation by a disturbance observer in the fast and
precise positioning of ball screw-driven table systems, on the basis of a rolling friction model …

Flexible actuator which consists of a thrust wire and a linear motor realizes flexible
arrangement of an actuator and an end-effector. Flexible actuator is able to transmit force …

At present, many industrial carrier devices utilize linear motor sliders. However, a heavier
load requires a linear motor (which is an example of a direct drive device) to get higher …

This paper proposes force sensorless force control using a notch-type dual disturbance
observer. The force control is structured by acceleration and speed controllers. The reaction …