Abstract:
본 발명의 온라인 전기자동차의 충전 우선순위 결정방법은 (a) 다수의 전기자동차에 대한 각각의 전지 잔량과 주행 중 전력 소비율에 기초하여 충전 없이 주행할 수 있는 거리를 계산하는 단계; (b) 각 전기자동차의 주행 경로에 따라 충전 없이 주행할 수 있는 거리 안에 존재하는 충전 세그먼트의 수를 카운트하는 단계; 및 (c) 상기 단계(b)에서 카운트된 각 전기자동차의 주행거리 안에 존재하는 충전 세그먼트 수에 따라 충전 우선순위를 결정하는 단계를 포함한다. 본 발명에 의하면, 다수의 온라인 전기자동차의 충전시 우선순위를 결정하여 우선순위에 따라 충전이 이루어짐으로써 온라인 전기자동차의 주행 중 전지의 방전 상황을 예방할 수 있으며, 이를 통해 기존의 설정에 비해 전지의 용량을 줄이거나, 세그먼트의 수를 감소시키는 경우에도 완전 방전되는 차량 없이 주행이 가능한 효과가 있다. 전기자동차, 배터리, 주행거리, 충전 우선순위
Abstract:
PURPOSE: A magnetic field communication system for online electro-mobile, a demodulation unit of the magnetic field communication system, and demodulation method thereof are provided to perform a full duplex magnetic field communication system by using the magnetic field. CONSTITUTION: A first digital signal processor(703) performs a digital signal processing of a packet data that becomes according to a magnetic field communications protocol. A DAC(Digital to Analog Converter)(705) changes the digital signal processing that is processed by a first digital signal processing unit to the analog signal. A first filter(707) eliminates a high frequency component at an analog signal that is transformed by the DAC. A first amplifier(709) amplifies the filtered analog signal by the first filter. A magnetic field transmission/reception antenna unit generates the magnetic field by the analog signal that is amplified by the first amplifier.
Abstract:
PURPOSE: An apparatus and a method for detecting forward obstacle for an online electric vehicle using a GPU(Graphics Processing Unit) are provided to detect obstacles existing in a fixed section of the front, by using a stereo camera and the GPU. CONSTITUTION: A disparity map calculation unit(420) calculates a disparity map on the basis of a stereo image. A boundary region decision unit(430) decides a boundary region on the basis of road information. An obstacle detection unit(440) detects an obstacle existing in the front boundary region. An obstacle tracer unit(450) traces the obstacle in real time on a video sequence using a Kalman filter. An alarm signal generation unit generates an alarm signal, when there is an obstacle in the front boundary region.
Abstract:
PURPOSE: A vehicle location measurement method and a vehicle location measurement device using the same are provided to improve the accuracy in the location measurement by measuring the earth magnetism at two or more different axes to grasp a critical point. CONSTITUTION: A sensor unit(110) measures the earth magnetism and measures the earth magnetism according to a movement of a vehicle. A central processing unit(130) controls the sensor unit and measures the location of the vehicle according to the measured value of the sensor unit. The central processing unit measures the location by grasping a critical point of the measured value of the earth magnetism. A communication unit(140) transmits the location of the vehicle measured through the central processing unit to the outside. Two axes of two or more different axes are two difference axes perpendicular to an X-axis.
Abstract:
PURPOSE: A method for controlling segment charging for an on-line electric vehicle is provided to reduce power consumption by controlling an inverter in consideration of the charging response time of a segment. CONSTITUTION: An electric vehicle(100) includes an information transceiver(120) which transmits and receives feeding information to and from a feeding segment(300). The feeding segment receives information from the information transceiver and provides the received information to an inverter(400). The inverter controls power supply based on the feeding information. The inverter gives a switch-on command to a feeding segment(364) which a vehicle enters in response to the provided information. The inverter gives a switch-off command to a feeding segment(367) which a vehicle leaves.
Abstract:
PURPOSE: A method for determining a charging priority of an online electric vehicle is provided to secure driving stability of an online electric vehicle by determining a charging priority of a plurality of online electric vehicles positioned within a segment group. CONSTITUTION: A possible driving distance of each of electric vehicles(90,110) is calculated. The number of charging segments is counted within the possible driving distance of each of the electric vehicles. The charging priority is determined according to the number of the counted charging segments. The power is supplied to the segment corresponding to the electric vehicle selected according to the charging priority.
Abstract:
본 발명은 온라인전기자동차의 SOC(State Of Charge)를 고려한, 급전도로 및 비급전도로를 포함하는 도로구간을 운행하는 온라인전기자동차의 출발지로부터 목적지까지의 주행경로를 탐색하는 시스템 및 이를 이용한 온라인전기자동차의 주행경로 탐색방법에 관한 것이다. 보다 더 구체적으로 본 발명은, 온라인전기자동차(ON-Line Electric Vehicle)의 주행경로의 탐색방법에 있어서, 명령입력부로부터 입력되는 SOC(State Of Charge) 활용범위 설정명령에 따라 제어부가 급전도로 활용범위를 설정하여 메모리부에 저장하는 제 1단계; 온라인전기자동차 운행자의 SOC(State Of Charge) 활용범위를 고려한 주행경로의 탐색 명령에 따라 제어부가 온라인전기자동차의 출발지 및 목적지를 설정하는 제 2단계; 상기 설정된 출발지로부터 목적지까지의 주행경로를 상기 제어부가 상기 메모리부에 미리 저장된 지도데이터를 이용하여 탐색하는 제 3단계; 및 상기 SOC(State Of Charge) 활용범위를 고려한 주행경로의 탐색 명령에 부합되는 주행경로의 발견시 해당 주행경로를 표시부에 현출하거나 또는 상기 SOC(State Of Charge) 활용범위를 고려한 주행경로의 탐색 명령에 부합되는 주행경로의 미발견시, 상기 기설정된 급전도로 활용범위 밖에서 우회경로를 탐색하고 상기 우회경로를 급전도로 활용범위내로 삽입하고 표시부에 현출하는 제 4단계;를 포함하는 온라인전기자동차의 주행경로 탐색방법 및 온라인전기자동차의 주행경로 탐색시스템을 제공한다. 온라 전기자동차, State Of Charge, SOC 잔여량, 급전도로, 경로탐색, 주행경로, 최단경로, 100%충전 경로, 현 SOC 유지경로
Abstract:
PURPOSE: A method for encoding sense information to a media file is provided to encode a feeling of a robot in a photographed photo. CONSTITUTION: An input unit receives a selected emotion information(S110). An encoding unit divides the media data among a media header data of a predetermined media file and the media data(S120). The encoding unit performs one among the subtraction of the data value and addition of a predetermined value about each data value or maintaining the data value of the media data(S130). By combining the changed media data and the media header data, the media file and changed media file are generated(S140).
Abstract:
PURPOSE: A system for searching the travel route of an on-line electric vehicle and a method thereof are provided to search the travel route in consideration of remaining SOC(State Of Charge), thereby increasing travel efficiency. CONSTITUTION: A system for searching a travel route comprises a GPS(Global Positioning System) receiving unit(110), a sensor unit(120), a memory unit(130), a command input unit, a controller, and a display unit. The GPS receiving unit generates a GPS signal which shows the location of an on-line electric vehicle. The sensor unit generates a travel state detecting signal of the on-line electric vehicle. The memory unit stores map data of a power supply road and a non power supply road. A driver inputs a travel route search command to the command input unit. The controller searches the travel route of the on-line electric vehicle and generates a travel route corresponding to the travel route search command.
Abstract:
PURPOSE: A solution composition is provided to obtain a metal oxide semiconductor which can be formed in a solution type and shows excellent semiconductor characteristics. CONSTITUTION: A solution composition for preparing a metal oxide semiconductor for a thin film transistor comprises aluminum salts and organic salts of metal. The negative ion of organic salts of metal includes acetate. A method for manufacturing a metal oxide semiconductor comprises the steps of: preparing the solution composition; coating the solution composition on a substrate; and heating the solution composition applied on the substrate to form the metal oxide semiconductor containing aluminum metal oxide.