Abstract: A systems and method for determining a position of a moveable device is provided. The system, for example, may include, but is not limited to a variable displacement transformer, an sine wave source electrically connected to the variable displacement transformer, and a processor electrically coupled to the variable displacement transformer, the processor configured to calculate Fourier Transform components by multiplying voltages output by the variable displacement transformer by predetermined values and storing the results in a memory, determining, when a predetermined number of samples have been calculated, a sum of the values in the buffer, and determining the position of the movable device based upon the sum of the values of the buffer.

Abstract: Systems and apparatus are provided for a reconfigurable, multi-purpose input/output (I/O) interface. The system comprises a comparator coupled to a means for signal generation. The system further comprises a switch fabric configured to reconfigure the I/O circuit in real time to perform a variety of signal processing, signal generation and built-in-test functions.

Abstract: Systems and apparatus are provided for interfacing a digital controller with an analog input means. The system comprises a digital controller with the input of the digital controller coupled to the output of the analog-to-digital converter. The system further comprises a digital-to-analog converter coupled to an analog interface circuit. The analog interface circuit comprises a reconfigurable RC network switchably coupled to a first amplifier or to a second amplifier. The analog interface circuit further comprises a third amplifier having an input being coupled to an output of the second amplifier and the output of the third amplifier being coupled to the one or more input signal paths to the first amplifier.

Abstract: Systems and apparatus are provided for a reconfigurable, multi-purpose input/output (I/O) interface. The system comprises a comparator coupled to a means for signal generation. The system further comprises a switch fabric configured to reconfigure the I/O circuit in real time to perform a variety of signal processing, signal generation and built-in-test functions.

Abstract: Systems and apparatus are provided for interfacing a digital controller with an analog input means. The system comprises a digital controller with the input of the digital controller coupled to the output of the analog-to-digital converter. The system further comprises a digital-to-analog converter coupled to an analog interface circuit. The analog interface circuit comprises a reconfigurable RC network switchably coupled to a first amplifier or to a second amplifier. The analog interface circuit further comprises a third amplifier having an input being coupled to an output of the second amplifier and the output of the third amplifier being coupled to the one or more input signal paths to the first amplifier.

Abstract: Systems and methods for processing a plurality of input signals are provided. A plurality of selection signals are received. Each of the plurality of selection signals is representative of one of a plurality of input signal characteristics. Each of the input signal characteristics is associated with one of the plurality of input signals. The plurality of input signals are converted into at least one digital waveform. A plurality of signal values may be extracted from the at least one digital waveform based on the plurality of input signal characteristics. An output signal may be generated based on each of the plurality of signal values.

Abstract: Distributed engine control systems and gas turbine engines are provided.

Abstract: Systems and methods for processing a plurality of input signals are provided. A plurality of selection signals are received. Each of the plurality of selection signals is representative of one of a plurality of input signal characteristics. Each of the input signal characteristics is associated with one of the plurality of input signals. The plurality of input signals are converted into at least one digital waveform. A plurality of signal values may be extracted from the at least one digital waveform based on the plurality of input signal characteristics. An output signal may be generated based on each of the plurality of signal values.