Introduction

Rectilinear motion is another name of straight-line motion. This type of motion describes the movement of a particle or a body. The experimental control system in practical laboratory is comprised of the electromechanical plant which consists of the spring-mass mechanism, its actuator, sensors and a subsystem i.e. an operating program or software which runs on a PC . This experiment use encoder counts as the system units of position, where the counts correspond to the encoder pulses and controller-internal register values.

Fig. 1. Schematic representation of the rectilinear motion setup in control systems without dashpot connected

Fig. 2. Schematic representation of the rectilinear motion setup in control systems with dashpot connected