Resolvers can also perform a third function COMBINATION. This is the process of resolution and
composition taking place simultaneously.
The resolver is a precision component, whose electrical characteristics are critical, and any deviation
may result in excessive errors in the system. Before working on or replacing resolvers, you should check
the associated equipment technical manual.
Q-4. What type of mathematical problem is solved by resolvers?
The following are brief summaries of the IC SYNCHROS, STEP-TRANSMISSION SYSTEMS,
and RESOLVERS we covered in this chapter.
IC SYNCHROS, sometimes referred to as reversed synchros, are used in systems where transfer of
information is desired. They operate on the same principles as synchros but differ in the direction of shaft
rotation and amount of torque obtained.
A STEP-TRANSMISSION SYSTEM (STEP-BY-STEP SYSTEM) is similar to a synchro
system, except that it is energized by direct current. This system uses a rotary switch to transfer angular
data (information) between remote locations. The system is cheap, rugged, relatively powerful, but is not
used where small changes in data are required.