Abstract
Typical electromagnetic motors are not preferred in some special environments due to their incompatibilities with the special characteristics of the environments. Electrostatic motors have great potentials for the use within those special environments, since they are non-magnetic and structurally simple. This chapter introduces some trials to utilize electrostatic motors in those special environments. The motor mainly focused on is a film-based electrostatic linear motor that has a large force generation capability such as thrust force of several tens of newtons. The chapter illustrates the successful operations of the motor in some special environments such as high vacuum and strong magnetic field. For strong magnetic field environment, an example of application studies using the electrostatic linear motor is also described, which is biomechanical modeling performed within a magnetic resonance (MR) scanner. It is shown that the electrostatic motor is one of the promising MR compatible actuators.
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