Samsung Electronics Co., Ltd.

Sungkyunkwan University

Industry-University Cooperation Foundation Hanyang University

Lg Electronics Inc.

Hyundai Motor Company

Kangyoon Lee

Yungi Kim

Jaeman Yoon

Jaeseok Park

Dongin Kim

Chongmin Lee

Sungku Yeo

Myoungho Sunwoo

Youngwoong Son

Seongahn Jeon

Yuonui Chong

Youngho Ryu

Ilhwan Kim

Kyoungchan Han

Hyeoungwon Seo

Sangyun Kim

Imran Ali

Taeuk Kim

Hamed Abbasizadeh

Seungsuk Oh

Jongsuk Lim

Jaesung Chung

Kwangtae Kim

Seongjin Oh

Solhee In

Changhyeon Kim

Sunghwan Cho

A dust mass measurement device includes a sensing channel configured to generate a sensing clock signal, a reference channel configured to generate a reference clock signal, a counter configured to generate a first output signal based on the sensing clock signal, and generate a second output signal based on the reference clock signal, and a controller configured to calculate a frequency difference between the sensing clock signal and the reference clock signal based on a difference value between the first output signal and the second output signal, which are received from the counter, and measure a mass of dust based on the calculated frequency difference.

Fine dust mass measurement device and operating method thereof

The present disclosure relates to an artificial intelligence (AI) system which simulates functions such as cognition, judgment, and the like of the human brain by utilizing machine learning algorithms such as deep learning and the like, and to an application thereof. According to various embodiments, an electronic device may comprise: a first impedance matching circuit configured to perform a first impedance matching on a power signal wirelessly received from a wireless power transmission device; a second impedance matching circuit configured to perform a second impedance matching on the first impedance-matched power signal using any one impedance value among a plurality of impedance values; a control circuit configured to perform control to change an impedance value of the second impedance matching circuit to an impedance value learned using an impedance matching network model, corresponding to a power and a frequency of the second impedance-matched power signal; and a power conversion circuit configured to convert a second impedance-matched power signal in an AC form into a power in a DC form for charging a battery according to the changed impedance value.

Method, electronic device, and storage medium for performing adaptive impedance matching

An electronic device according to various embodiments of the present invention comprises: a receiving circuit for outputting an AC power received wirelessly; and a rectifier circuit for rectifying the AC power being output from the power receiving circuit. The rectifier circuit comprises a forward rectifier circuit and a reverse rectifier circuit. A first terminal of the forward rectifier circuit is connected to the receiving circuit and the reverse rectifier circuit, a second terminal of the forward rectifier circuit is connected to an output terminal, and the forward rectifier circuit comprises first transistors for rectifying the AC power during a first period. A first terminal of the reverse rectifier circuit is connected to the receiving circuit and the forward rectifier circuit, a second terminal of the reverse rectifier circuit is connected to a ground, and the reverse rectifier circuit can comprise second transistors for preventing the AC power from being transmitted to the forward rectifier circuit during a second period.

Electronic device for receiving power wirelessly and method for operating same

A combustion phase detection method of an engine has the advantages of being able to reduce exhaust gas and to improve combustion stability, to compensate injection and ignition delay time between combustion chambers and between cycles, and to detect a combustion phase in real time such that a heat generation rate and heat release can be effectively calculated in an early state of combustion with a simple calculation method to control combustion of an engine, by using a combustion pressure and a motoring pressure difference of an engine not affected by an offset value of the cylinder pressure. For this, a combustion phase detection method may include detecting a combustion phase by using a specific point of DRdV as follows:  Here, the Pdiff (P&#x2212;Pmotoring) is a difference between a cylinder measure combust pressure (P) and a motoring pressure (Pmotoring), and V is a combustion chamber volume.

Combustion detecting method of engine

An interconnection architecture, for a semiconductor device (having regions arranged to include at least an inner region, an intermediate region located at least aside the inner region, and an outer region located at least on a side of the intermediate region opposite to the inner region, includes: one or more pairs of first and second signal lines, each pair extending from the inner region into the intermediate region; first portions and second portions of the first and second signal lines being parallel, respectively, the first portions being located in the inner region; the first and second portion of at least the first signal line not being collinear; and an intra-pair line-spacing, d(i), for each pair including the following magnitudes, din the inner region, and d' in the intermediate region, where d&#x3c;d

Interconnection architecture for semiconductor device

An interconnection architecture, for a semiconductor device (having regions arranged to include at least an inner region, an intermediate region located at least aside the inner region, and an outer region located at least on a side of the intermediate region opposite to the inner region, includes: one or more pairs of first and second signal lines, each pair extending from the inner region into the intermediate region; first portions and second portions of the first and second signal lines being parallel, respectively, the first portions being located in the inner region; the first and second portion of at least the first signal line not being collinear; and an intra-pair line-spacing, d(i), for each pair including the following magnitudes, d2 in the inner region, and d2' in the intermediate region, where d2&#x3c;d2&#x2032;.

Television receiver

An electrode structure, e.g., a gate electrode for a transistor, includes: a volume of semiconductor material; a gate oxide on the semiconductor volume; a barrier layer, including silicon nitride, on the gate oxide layer; an adhesion layer on the barrier layer; and a metallic layer on the adhesion layer.

Gate electrode structure

Disclosed herein is a method of estimating the start of combustion (SOC) in a diesel engine using a difference between an in-cylinder combustion pressure and a motoring pressure so as to effectively control the combustion in a combustion chamber. The method of the present invention features that it comprises the steps of: detecting a DP value defined as a difference pressure between an in-cylinder combustion pressure and a motoring pressure; detecting a crank angle (CA) at a point where the detected DP value equals a specific pressure; defining an angle difference between the start of combustion (SOC) and the crank angle (CA) as a detected delay angle (&#x394;CA) and determining the detected delay angle (&#x394;CA) through an experiment of measuring the start of combustion (SOC) and the crank angle (CA); and detecting the SOC using the following Equation: SOC=CA&#x2212;&#x394;CA, whereby the SOC can be estimated simply and accurately, and that the detected delay angle (&#x394;CA) is defined as a simple function for the engine speed.

Method of detecting start of combustion in diesel engines using in-cylinder pressure

Growing community of inventors

Gyeonggi-do, South Korea

Kangyoon Lee