Abstract: An apparatus for predicting performance of a wheel in a vehicle: includes a learning device that generates a latent space for a plurality of two-dimensional (2D) wheel images based on a convolutional autoencoder (CAE), extracts a predetermined number of the plurality of 2D wheel images from the latent space, and learns a dataset having the plurality of 2D wheel images and performance values corresponding to the plurality of 2D wheel images; and a controller that predicts performance for the plurality of 2D wheel images based on a performance prediction model obtained by the learning device.

Abstract: A method for controlling driving of a hybrid electric vehicle includes collecting driving data while the hybrid electric vehicle is driven, determining whether the hybrid electric vehicle enters a first mode corresponding to emergency driving of the hybrid electric vehicle or a second mode corresponding to control in preparation for the emergency driving, and controlling the hybrid electric vehicle in accordance with a mode that the hybrid electric vehicle enters among the first mode and the second mode.

Abstract: The optical performance monitoring apparatus includes a first optical distributor for distributing a WDM optical signal branched from an optical transmission line, a plurality of wavelength selectors, each for selecting a predetermined wavelength optical signal from the optical signal distributed, a plurality of first optical detectors, each for detecting power of the predetermined wavelength optical signal for a corresponding one of channels selected by the wavelength selectors; and a signal processor for measuring the power for each channel of the WDM optical signal, a total ASE noise power, and an optical signal-to-noise ratio for each channel from the digital value.

Abstract: An optical wavelength converter based on cross-gain modulation with wide input dynamic range, the converter including a semiconductor optical amplifier, a continuous wave source, and a probe beam controller. The semiconductor optical amplifier modulates probe power on the basis of pump power. The continuous wave source generates the probe beam and supplies the generated probe beam to the semiconductor optical amplifier. The probe beam controller adjusts bias current supplied to the continuous wave source and controls the probe power in proportion to the pump power.

Abstract: An optical packet header processing apparatus for processing a header of an optical packet expressing an address of a destination node to control a switching operation of an optical packet switch. The optical packet header processing apparatus comprises a beam splitter for splitting the optical packet header into a predetermined number of optical packet header elements, and a plurality of time interval detectors. Each of the time interval detectors receives a corresponding one of the optical packet header elements from the beam splitter and outputs a detect optical pulse if a pair of optical pulses having a predetermined time interval therebetween are present in the received optical packet header element. A plurality of optical pulse detectors are adapted to convert the detect optical pulses from the time interval detectors into electrical signals and transfer the converted electrical signals to the optical packet switch, respectively.

Abstract: The optical performance monitoring apparatus includes a first optical distributor for distributing a WDM optical signal branched from an optical transmission line, a plurality of wavelength selectors, each for selecting a predetermined wavelength optical signal from the optical signal distributed, a plurality of first optical detectors, each for detecting power of the predetermined wavelength optical signal for a corresponding one of channels selected by the wavelength selectors; a second optical detector for detecting total power of the optical signal, a plurality of second optical distributors, each for transmitting the optical signal outputted from the first optical distributor to the corresponding one of the wavelength selectors and transmitting the predetermined wavelength optical signal selected by the corresponding one of the wavelength selectors to the corresponding one of the first detectors, a selector for selecting one of the powers of the optical signals detected by the first optical detectors and

Abstract: An optical gate based optical space division switch for switching optical signals inputted through arbitrary input ports to a desired output port with no internal collision. The optical space division switch comprises a first splitting section for splitting the optical signals inputted through the input ports, a first amplification section for selectively amplifying output optical signals from the first splitting section, a second splitting section for splitting output optical signals from the first amplification section, a second amplification section for selectively amplifying output optical signals from the second splitting section, a coupling section for coupling output optical signals from the second amplification section, and a third amplification section for amplifying an output optical signal from the coupling section and transferring the amplified optical signal to the output port. According to the present invention, optical gates are connected in a two-stage manner to cross-couple optical signals.