Abstract:
PURPOSE: An operating method of pulse width modulation driver for controlling PWM(Pulse Width Modulation) unit of micro controller module base on AUTOSAR(Automotive Open System Architecture) is provide to divide information of PWM information and information such as register address and setting value necessary for controlling PWM unit with realization of API(Application Program Interface) functions, thereby improving reusability and scalability of software. CONSTITUTION: A PWM(Pulse-Width Modulation) driver(310) generates a PWM signal by controlling PWM unit of a micro controller. A PWM property container(320) stores waveform properties of PWM signal by the PWM driver. A PWM configuration container(330) stores setting information of the PWM unit. Based on information recorded in the PWM property container, the PWM driver grasps the waveform properties of the PWM signal. Based on information recorded in the PWM configuration container, the PWM driver performs setting of the PWM unit.
Abstract:
PURPOSE: A real time system for a vehicle and a method for measuring a worst response time are provided to more accurately measure the worst response time by analyzing the worst response time as a runnable unit which is more subdivided than task. CONSTITUTION: A method for measuring a worst response time using a real time system for a vehicle comprises; an input step of inputting data for operating a specific work; and a measurement step of measuring the worst response time in a minimum unit(240) for processing the inputted data. The minimum unit is a runnable unit. In the measurement step, the worst response time is measured using an operation time, a delay time, or a blocking time.
Abstract:
PURPOSE: A component-based software system of an accident recording device for a car based on AUTOSAR(Automotive Open System Architecture) is provided to enable to design and realize independently with a hardware, and to enhance reusability of a software. CONSTITUTION: An information collecting components(231,232) collect information including vehicle moving information and vehicle operating information. A data processing component(233) receives and processes information which the information collecting component collects. A data output component(234) outputs data which the data processing component processes to outside. The information collecting component, data processing component and data output component communicates mutually through a middleware, and communicates mutually with lower layer components.
Abstract:
A traveling limit apparatus of a drive by wire system and a traveling limit method of a vehicle using the same are provided to prevent the vehicle from traveling by shifting to a traveling limit mode when sensors detect car theft and drunken driving. A traveling limit apparatus of a drive by wire system comprises sensors(100), a signal processing control unit(110), and a wheel control unit(130). The sensors detect that a vehicle is stolen or that a drunken driver is behind a wheel and outputs alarming signals. Once the alarming signals are output the signal processing control unit shifts a drive mode into a traveling limit mode, and outputs specific signals. The wheel control unit actuates a drive device such as a motor according to the signal output by the control units and controls wheels, brakes, a transmission, and a throttle. In the traveling limit mode, the wheel control unit receives fixed steering wheel information, and the signal processing control unit keeps the wheels stopped.
Abstract:
A device for preventing accidental death from suffocation and cold in a vehicle is provided to mount a temperature and oxygen amount control unit and a telematics terminal for preventing the accidental death from suffocation or cold in hot or cold season. A device for preventing accidental death from suffocation and cold in a vehicle includes a temperature and oxygen sensor(21) for measuring a room temperature and an oxygen amount, and determining whether the measured values are in the range of preset temperature and oxygen amount ranges to output abnormal signals if not. A vision sensor(23) senses existence of people or animals in the vehicle for transmitting the sensing result, wherein the vision sensor photographs internal states of the vehicle periodically. A controller(25) drives the vision sensor according to the abnormal signals output from the temperature and oxygen sensor, and drive window driving motors(27), an air conditioner(29) or an external ventilation unit(31) for controlling the room temperature and the oxygen amount in the vehicle. A telematics terminal(33) receives the photographed images from the vision sensor via the controller and location information of the vehicle from a GPS(Global Positioning Satellite) for transmitting the same to a terminal at a receiving part.