Electronics and Telecommunications Research Institute

Ajou University Industry-academic Cooperation Foundation

Jung Hee Suk

Tae Moon Roh

Chun-Gi Lyuh

Yil Suk Yang

Ik Jae Chun

Jimin Oh

Minki Kim

Sanghun Yoon

Young-Deuk Jeon

Chun Gi Lyuh

Jong Dae Kim

Min-Hyung Cho

Yi-Gyeong Kim

Sewan Heo

Jong Pil Im

Jeong Hwan Lee

Jae Chang Shim

Wook Jin Chung

Jung Hoon Kim

Jong Kee Kwon

Sang Kyun Lee

Sung-Jea Ko

Soon Il Yeo

Ki Chul Kim

You-sun Kim

Mi Soon Choi

Yeung Hak Lee

Disclosed is an operating method of a vehicle control apparatus controlling autonomous driving based on a vehicle external object including performing primary object detection based on a first vehicle external image received from a camera to obtain first object information, setting a first reflective area for reflection light based on the first object information, generating a second vehicle external image, in which a reflective image inside the first reflective area is removed from the first vehicle external image, using pixel values inside the first reflective area, performing secondary object detection based on the second vehicle external image to obtain second object information, determining reliability of the second object information based on information about the reflective image and the second object information, and controlling the autonomous driving of the vehicle based on the second object information when the reliability of the second object information is higher than a setting value.

Vehicle control apparatus and operating method thereof

A convolutional operation device for performing convolutional neural network processing includes an input sharing network including first and second input feature map registers configured to shift each input feature map, which is inputted in row units, in a row or column direction and output the shifted input feature map and arranged in rows and columns, a first MAC array connected to the first input feature map registers, an input feature map switching network configured to select one of the first and second input feature map registers, a second MAC array connected to one selected by the input feature map switching network among the first and second input feature map registers, and an output shift network configured to shift the output feature map from the first MAC array and the second MAC array to transmit the shifted output feature map to an output memory.

Convolutional operation device with dimensional conversion

Provided is DC-DC converter including a first inductor configured to output a first inductor current based on an input voltage, a second inductor configured to output a second inductor current based on the input voltage, an output network unit configured to provide a first output voltage to a first output terminal and provide a second output voltage to a second output terminal based on the first inductor current or the second inductor current, a controller configured to determine cross-regulation with respect to the first output terminal and the second output terminal and generate a mode signal based on the determination, and an inductor network unit configured to connect the first inductor and the second inductor based on the mode signal or electrically isolate the first inductor and the second inductor.

DC-DC converter and driving method thereof

Provided is a data generation device for generating input data to be inputted to a parallel processing device. The data generation device includes: a controller configured to output padding data; and a data processing device configured to receive original data and to generate the input data in which at least a portion of the original data is padded with the padding data. The data processing device includes: a first multiplexer configured to receive the padding data and the original data; a register configured to store data outputted from the first multiplexer; and a second multiplexer configured to receive data outputted from the first multiplexer and data stored in the register.

Data generation device for parallel processing

Provided are an object recognition device, an autonomous driving system including the same, and an object recognition method using the object recognition device. The object recognition device includes an object frame information generation unit, a frame analysis unit, an object priority calculator, a frame complexity calculator, and a mode control unit. The object frame information generation unit generates object frame information based on a mode control signal. The frame analysis unit generates object tracking information based on object frame information. The object priority calculator generates based on object tracking information. The frame complexity calculator generates a frame complexity based on object tracking information. The mode control unit generates a mode control signal for adjusting an object recognition range and a calculation amount of the object frame information generation unit based on the priority information, the frame complexity, and the resource occupation state.

Object recognition device, autonomous driving system including the same, and object recognition method using the object recognition device

Provided is a battery module and an electronic device, the battery module including a first battery, a second battery, a correcting element unit, and a battery controller, wherein the first battery includes a first internal resistance and provides a first current, the second battery is connected to the first battery, includes a second internal resistance and provides a second current, the correction element unit is connected to the first battery or the second battery and includes a variable resistor or a current source, the battery controller controls the correction element unit such that the first current is identical to the second current on a basis of a difference between values of the first internal resistance and the second internal resistance, and therefore performances of the first battery and the second battery are prevented from being deteriorated.

Battery module for correcting current difference between batteries connected in parallel and electronic device including the battery module

The present disclosure relates to a frame grabber, an image processing system, and an image processing method. A frame grabber according to an embodiment of the inventive concept includes a plurality of decoders, a plurality of image controllers, a plurality of memories, a synchronization controller, and a synchronization memory. The plurality of decoders generate a plurality of image data by decoding a plurality of image signals. The plurality of image controllers generate a plurality of pixel data and a plurality of frame information data on the basis of the plurality of image data. The plurality of memories store the plurality of pixel data. The synchronization controller receives the plurality of frame information data, and generates synchronization data on the basis of the plurality of frame information data. The synchronization memory stores the frame information data and the synchronization data.

Frame grabber, image processing system including the same, and image processing method using the frame grabber

Provided are an electronic circuit, a linear regulating circuit, and a DC-DC converting circuit. An embodiment of the inventive concept includes a linear regulating circuit unit for generating, by comparing output voltages and corresponding reference voltages, a transient signal indicating that at least one of the output voltages is in a transient state, or a steady signal indicating that each of the output voltages is in a steady state, and for controlling the output voltages on the basis of the steady signal and the transient signal, an energy storing unit for storing energy used to generate the output voltages, a ground switch unit for controlling connection between the energy storing unit and a ground terminal, an input switch unit for controlling connection between at least one input terminal and the energy storing unit, and an output switch unit for controlling connection between output loads and the energy storing unit.

Electronic circuit, linear regulating circuit, and DC-DC converting circuit consuming less power according to control of logic circuit

Provided is a DC-DC converter including an inductor configured to store input energy, a ground switch configured to provide a ground path of the inductor in response to a first signal, an inductor switch connected in parallel to the inductor so as to maintain the energy stored in the inductor in response to a second signal, output switches configured to output the energy stored in the inductor as multi-output voltages in response to third signals, and a switch controller including a switch controller configured to determine cross regulation between the multi-outputs and generate the first to third signals for decreasing the cross regulation.

Single inductor multi-output DC-DC converter and operating method thereof

Provided is a BrushLess Direct Current (BLDC) motor system including a motor driving circuit configured to control a pulse-width-modulation (PWM) inverter in a first operation mode or a second operation mode according to a control signal, and output a switching signal according to each operation mode, the PWM inverter configured to receive the switching signal to output first three-phase voltages having a first frequency in the first operation mode, and output second three-phase voltages having a second frequency in the second operation mode, a sensorless BLDC motor configured not to operate in the first operation mode by operating based on three-phase voltages having a frequency in a different band from the first frequency, and operate in the second mode by operating based on three-phase voltages having a frequency in an identical band to the second frequency, and a parameter detecting circuit configured to calculate parameter information on the sensorless BLDC motor in the first operation mode by using sensing voltages sensed in the PWM inverter.

BLDC motor system including parameter detecting circuit and operating method thereof

Provided is a current-voltage conversion amplifier circuit including: a plurality of light receiving devices generating a current signal proportional to an amount of light by receiving the light; multipliers amplifying the current signal, converting the amplified current signal into a first voltage signal, outputting the amplified current signal, or outputting the converted first voltage signal; multi input amplifiers outputting first and second output voltage pairs through a process for receiving output values of multipliers and an offset voltage and amplifying the received output values and offset voltage; a multiplexing unit selecting and outputting one first and second output voltage pair among the first and second output voltage pairs outputted from multi input amplifiers; and a signal conversion unit converting a difference value between first and second output voltages outputted from the multiplexing unit and outputting the converted digital signal.

Current-voltage conversion amplifier circuit including multiplier with a current offset removal unit and multi input amplifier

A motor driving module is provided which includes a motor driving unit configured to control a PWM inverter on the basis of positional information and a control signal; a PWM inverter configured to output three-phase voltages on the basis of DC power according to control of the motor driving unit; a phase voltage estimating unit configured to output three-phase estimated voltages on the basis of the positional information, the DC power, and a voltage modulation index; and a position detecting unit configured to output the positional information on the basis of the three-phase estimated voltages, wherein the positional information is on an external motor that operates on the basis of the three-phase voltages.

Motor driving module and brushless DC motor system

Provided is an image registration device including a first feature vector magnitude calculating unit calculating magnitudes of feature vectors corresponding to any one first feature point among feature points of a reference image to create a first magnitude value, a second feature vector magnitude calculating unit calculating magnitudes of feature vectors corresponding to any one second feature point among feature points of a target image to create a second magnitude value, a magnitude difference calculating unit receiving the first and second magnitude values and calculating a difference between the received first and second magnitude values to create a third magnitude value, a first threshold value creating unit creating a first threshold value on the basis of the first magnitude value and a magnitude ratio, and a magnitude difference determining unit receiving the third magnitude value and the first threshold value, and determining a magnitude difference.

Image registration device and operation method of the same

Provided is a sensing circuit for recognizing a movement including: at least one light emitting device outputting light; at least one light receiving device receiving the light reflected by an object on the light emitting device and generating a plurality of current signals proportional to an amount of incident light; a signal conversion unit converting the plurality of current signals into a plurality of digital signals; a recognition unit measuring a synthetic digital signal to determine whether an object moves by receiving the plurality of current signals; and a control unit controlling the recognition unit, wherein the recognition unit generates a clock signal for the synthetic digital signal greater than a critical value and measures a count generated by the clock signal; and the control unit determines whether the object moves through a comparison of the count and a reference value.

Sensing circuit for recognizing movement and movement recognizing method thereof

Provided is a motor driving circuit which transmits a driving signal to a motor, including a gate driver generating the driving signal corresponding to a pulse width modulation signal, a pulse width modulation signal generator generating the pulse width modulation signal according to Hall sensor signals received from Hall sensors mounted in the motor, a current sensor measuring a link current provided to the gate driver, a low pass filter outputting a filter current that high frequency components are removed from the measured link current, and a minimum power consumption estimating unit generating a lead angle according to a start signal with reference to the filter current, wherein the pulse with modulating signal is changed according to the lead angle.

Growing community of inventors

Daejeon, South Korea

Jung Hee Suk