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  • Voice Coils vs. Solenoids: What is the Difference?
    The question of whether to use voice coil actuators or solenoids for small displacement motion control applications comes up often. This article explains the key differences between each product and why you might choose one over the other for your application. A non-commutated DC linear actuator
  • Linear actuators get a servo look
    a linear motor is to envision a rotary servomotor sliced lengthwise and then flattened. Motion between stator and what was formerly the rotor will now be linear, akin to a maglev train. Tubular linear actuators have a form factor resembling that of a solenoid. The position of the "plunger " (called
  • Pulse and Hold Power Management
    Acro Associates' solenoid pinch valves employ a spring-loaded linear actuator to control motion of the pinching surfaces. Most linear solenoid actuators are closing-the-air-gap devices, where the force characteristics vary substantially throughout the stroke. Generally, actuators are designed so
  • Proportional Valves
    The performance of proportional valves falls in the wide spectrum between on/off solenoid valves and electrohydraulic servovalves. The valves are termed proportional because output flow is not exactly linear in relation to input current. Despite their nonlinear response, the valves
  • Voice Coil Motors
    Voice coil motors offer excellent control characteristics where linear actuation is required over short distances with electronic control systems. Comparison of the force characteristics vs displacement, and vs current, for voice coil devices and solenoid actuators shows the difference between
  • The Unsung Contributor to Plant Economic Performance
    Wherever goods and materials are manufactured, processed, or packaged, the process. often depends on fluid automation components. These include fluid control products. such as solenoid pilot valves, angle body piston valves, linear valve position indicators,. redundant control systems, and pressure
  • Power-Supply Fundamentals
    voltage and current. are the type most widely used. Two fundamental designs are the linear series-regulated and the switching power supply. Although switching power supplies are considered by many to be the new wave of
  • Power Semiconductors and ICs
    Transistors are three-terminal semiconductor devices. One terminal controls electrical resistance or current flow between the other two terminals, giving transistors a valvelike operation. Transistors can amplify signals over some linear range of voltage and current or they can rapidly switch

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