Abstract: Methods and apparatuses for controlling a switch are provided. The method comprises: generating second control data, which is for controlling the switches, in a second cycle; determining whether a first control signal based on first control data, which has been generated in a first cycle, is being output to the charging system; and storing the second control data in a first register if it is determined that the first control signal is being output to the charging system.

Abstract: A PWM control apparatus of a 2-stage inverter includes: a first inverter; a second inverter; and a PWM controller which PWM-controls the first inverter and the second inverter, respectively, wherein the PWM controller controls the first inverter by remote-state PWM (RSPWM), the PWM controller determines whether it is necessary to generate five edges in next PWM period in the RSPWM control of the first inverter, and if it is necessary to generate five edges, generates an edge in the beginning of the next PWM period and generates an edge according to a previously calculated setting value in the next PWM period.

Abstract: A system for charging a battery for a vehicle may include a charging control device having a power factor correction circuit configured to convert an alternating current (AC) voltage of a charging apparatus into a direct current (DC) voltage, a DC-DC converter connected to the power factor correction circuit and configured to transform the DC voltage, a capacitor connected to an output terminal of the DC-DC converter, and a relay unit provided between the capacitor and the battery; and a control unit connected to the charging control device and configured to perform initial charging control in consideration of a capacitor voltage of the capacitor when the charging apparatus and the power factor correction circuit are connected by the control unit.

Abstract: Methods and apparatuses for controlling a switch are provided. The method comprises: generating second control data, which is for controlling the switches, in a second cycle; determining whether a first control signal based on first control data, which has been generated in a first cycle, is being output to the charging system; and storing the second control data in a first register if it is determined that the first control signal is being output to the charging system.

Abstract: An apparatus for enabling a two-stage inverter to switch between modes includes: a first inverter unit, a second inverter unit, a load connected between the first inverter unit and the second inverter unit, a mode switching unit connected between the load and the second inverter unit, and a control unit configured to drive the load in an one-stage inverter mode or a two-stage inverter mode by performing a control that turns on or off the mode switching unit.

Abstract: An apparatus for enabling an inverter to switch between modes includes: a first inverter unit; a second inverter unit; a load connected between the first inverter unit and the second inverter unit; a mode switching unit connected between the load and the second inverter unit; and a control unit configured to drive the load in a one-stage inverter mode or a two-stage inverter mode by performing control that turns on or off the mode switching unit. In particular, when an inverter switches between modes, the control unit performs mode switching in accordance with correct mode switching timing synchronization for PWM signal output.

Abstract: A battery system for a vehicle may include: a charging apparatus configured to receive an alternating current power from the outside thereof in a wired/wireless manner; an on-board charger (OBC) configured to convert the alternating current power of the charging apparatus into a direct current power; a micro-control unit (MCU) configured to boost an output voltage of the OBC by use of a boost converter configured by a motor and an inverter; and a battery connected to the MCU and configured to be charged with the boosted output voltage.

Abstract: A power converting system for a vehicle may include: a high-capacity on board charger (OBC) configured to charge a high-capacity high-voltage battery. a low voltage DC-DC converter (LDC) configured to convert a high voltage of the high-capacity high-voltage battery into a low voltage and charge a low voltage battery. The power converting system may further include an OBC and LDC integrated controller configured to perform integrated control of the high-capacity OBC and the LDC. The OBC and LDC integrated controller performs pulse width modulation (PWM) switching control by synchronizing ADC operation and PWM switching frequency control operation.

Abstract: A battery system for a vehicle may include: a charging apparatus configured to receive an alternating current power from the outside thereof in a wired/wireless manner; an on-board charger (OBC) configured to convert the alternating current power of the charging apparatus into a direct current power; a micro-control unit (MCU) configured to boost an output voltage of the OBC by use of a boost converter configured by a motor and an inverter; and a battery connected to the MCU and configured to be charged with the boosted output voltage.

Abstract: A system for charging a battery for a vehicle may include a charging control device having a power factor correction circuit configured to convert an alternating current (AC) voltage of a charging apparatus into a direct current (DC) voltage, a DC-DC converter connected to the power factor correction circuit and configured to transform the DC voltage, a capacitor connected to an output terminal of the DC-DC converter, and a relay unit provided between the capacitor and the battery; and a control unit connected to the charging control device and configured to perform initial charging control in consideration of a capacitor voltage of the capacitor when the charging apparatus and the power factor correction circuit are connected by the control unit.

Abstract: Disclosed herein are an apparatus and a method for controlling PWM switching frequency that employ a negate PWM scheme to thereby increase PWM switching frequency, improve control responsiveness, and reduce the size of the circuit. The apparatus includes: a power factor correction (PFC) converter configured to convert an AC voltage into a DC voltage, the converter comprising a transistor controlling an operation of the PFC converter and a current sensor for measuring an electric current flowing through the transistor; and a controller configured to receive an output from the current sensor and calculate a duty ratio of a switching signal applied to a gate terminal of the transistor. The controller applies the calculated duty ratio to the switching signal in an on-duty period of the switching signal.

Abstract: Disclosed herein are an apparatus and a method for controlling PWM switching frequency that employ a negate PWM scheme to thereby increase PWM switching frequency, improve control responsiveness, and reduce the size of the circuit. The apparatus includes: a power factor correction (PFC) converter configured to convert an AC voltage into a DC voltage, the converter comprising a transistor controlling an operation of the PFC converter and a current sensor for measuring an electric current flowing through the transistor; and a controller configured to receive an output from the current sensor and calculate a duty ratio of a switching signal applied to a gate terminal of the transistor. The controller applies the calculated duty ratio to the switching signal in an on-duty period of the switching signal.

Abstract: Provided is a system and method for providing closed circuit television (CCTV) information. A method configured as a computer may include generating and managing relevant information between a CCTV and a road route, receiving information about a course from an electronic device over a network, verifying a road route present in the received course, and verifying a CCTV present in the verified road route based on the relevant information, assigning an order associated with a heading direction of the course to CCTV information about the verified CCTV based on the relevant information, and transmitting the CCTV information to which the order is assigned, to the electronic device. Here, the CCTV information may be arranged based on the assigned order and displayed on a screen of the electronic device.