Safety Devices and Systems

An overview is provided of the safety devices in lift systems.  The testing of some of the devices is discussed as such as the safety gear system.

Overview of mechanical Components and Arrangement

Main components (ropes, sheave, guide rails, sheave, gearbox, buffers); different reeving ratios and different arrangements.

Control Systems

Overview of the logic and speed controller.

Motors and drive systems:  Types of motors and drives used; advantages and disadvantages of each; examples on motor sizing and selection; the use of shaft encoders for speed feedback;  the use of linear shaft feedback devices.

Energy Consumption

Energy Consumption of lifts:  Methods of measurement; standards; manual methods for calculation; advanced methods using simulation.

Noise, ride quality and vibration

Overview; standards; methods of measurements and measuring equipment; standards; typical value in specifications.