by | Nov 13, 2019
Advances in motor control technology have increased the performance, reliability, and safety of overhead material handling systems. In this paper we explore the development of motor control technology and the growing trend toward precision handling of materials and how it has created a demand for simple, dependable, high performance controls, capable of communication with computers, displays, and other types of operator interfaces.
In this article we explore how the Variable Frequency Drive with crane specific software has revolutionized AC Crane Control and made AC Static Stepless Control virtually obsolete, in particular for cab operated cranes with foot brakes.
In this article we examine the problems of controlling load sway as well as the various methods that can be employed to control sway.