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55 Cards in this Set
- Front
- Back
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Accelerometer
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device for measuring acceleration
Usually based on piezoelectric materials |
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Actuator
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Mechanism for applying a force or displacement to a system, and typically used as a word when talking about computer control
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D/A Converter
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Digital – Analog converter – takes a digital signal and converts it to a control-signal-level voltage or amperage
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Analog
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Continuous, having to do with the ‘Real World’
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What are 3 characteristic texts for Jesus' suffering and death?
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Isaiah 52:13-15
2 Cor 5:18-21 Heb 9-10 |
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Band-pass filter
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Electronic filter that only lets electrical signals of a given frequency ‘passband’ through
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Brushless motor
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a DC motor that performs commutation through electronic means, as opposed to traditional mechanical means
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Capacitor
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Electrical charge storage device
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Commutator
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Device for reversing the direction of current
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Closed loop control
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Control system that adjusts its control signal dependent on some aspect of the physical state of the system
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Charge amplifier
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Electrical device that converts an electric charge into a voltage
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DC Motor
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Motor driven by DC power
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AC Motor
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Motor driven by AC power, that uses the function of alternating current for commutation
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Digital Optical Encoder
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an optical-based counter that delivers a digital signal as a control output
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Diode
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an electrical device that will only allow current to pass through in one direction
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Feedback
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the act of returning part of an electrical or mechanical system back to the system that generated it
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FET
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Field Effect Transistor
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CMOS
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Complementary Metal Oxide Semiconductor – a low-energy requirement technology for making transistors
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Flowchart
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A diagram that shows the process path of a system
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Fourier Series
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an approximation of a periodic signal in terms of sines and cosines
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Frequency domain
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A functional domain where signals are represented in terms of sines and cosines of different frequencies
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Frequency response curve
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The response of a given electrical or mechanical system to excitation of an infinite range of frequencies
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High-pass filter
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An electrical filter designed to let only frequencies higher than a given setpoint through
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Hydraulics
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systems that use the displacement of fluids to create mechanical work
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Hertz
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unit of frequency (1/sec)
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Inductor
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An electrical device that resists change in current, and creates a magnetic field proportional to the current
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LCD
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Liquid Crystal Display – run by a material that changes its color when a voltage is applied across it
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LED
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Light-Emitting Diode – a diode that glows when current crosses it in a specific direction
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Mechatronics
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The field of integrating both mechanical, electrical, and electronic design into a complete, coherent device
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Multiplexer
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Equipment that allows the transmission of multiple signals on the same line
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Photodiodes
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a light-sensitive semiconductor diode
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Piezoelectric crystal
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a material possessing the properties of an electrical charge sponge
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Potentiometer
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Measures an electrical potential by comparison with a known voltage
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Gear Pump
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A pump, used for viscous fluids, that uses gears to move fluid
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Piston pump
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A pump that moves fluids through the work of a piston in a cylinder
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Positive displacement pump
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pump that moves fluid by trapping it in a closed space, and then moving it out through a valve
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Vane pump
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pump that moves fluid through a rotating vane
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Resonance
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vibration of a system at its natural frequency
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Sampling
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the process of taking an analog signal and taking samples at a given frequency to create a digital representation
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Sampling rate
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the temporal rate sampling occurs – governed by the Nyquist frequency
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Saturation
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moving an electrical amplification or other system to the point where nonlinear behavior starts governing the system
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Serial communication
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used in computers to designate a single signal communication port
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Parallel communication
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used in computers to indicate that one can transfer at least one byte of information at a time
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Spectrum
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a plot/representation of the frequency content of a signal
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Stepper motor
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an electrical motor characterized by rotating in small increments
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Servo motor
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an electrical motor characterized by its ability to be infinitely rotationally positioned
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Thermistor
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device with resistance that varies by temperature
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Thermocouple
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device that creates a voltage subject to a given temperature
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Transfer function
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Mathematical description of a linear system that defines the input/output relationship
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Transistor
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electrical device, usually made of semiconducting material, that (among other things) can serve as the core of an amplifier or a digital switch
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Check Valve
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Fluid system equivalent of a diode
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Electrohydraulic valve
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valve that controls fluid flow through the function of solenoids
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Poppet valve
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Safety valve that pops if an over-pressure condition is reached
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RVDT
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Rotational Variable Differential Transformer – gives a different voltage for different angular positions of the sensor
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LVDT
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Linear Variable Differential Transformer – gives a different voltage for different linear positions of a slider inside a larger magnetic coil
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