5172 results about "Driving mode" patented technology

The invention provides an organic light emitting diode active driving system with current feedback, thereby a driving current for organic light emitting diode is not affected by variation of characteristic parameters of thin film transistor under an active driving mode. The active driving system in accordance with the invention includes a transistor and a current comparator for driving an organic light emitting diode. The transistor has two current carrying electrodes respectively connected to a cathode of the organic light emitting diode and ground, and a gate controlled by a data signal. The current comparator has two input terminals respectively receive a reference current with predetermined value and a driving current flowing through the organic light emitting diode. The current comparator compares the reference current and the driving current, and then outputs a voltage to the gate of the transistor in response to the comparison result so as to make the value of the driving current equal to that of the reference current. Therefore, the active driving system for organic light emitting diode array or flat panel display in accordance with the invention can achieve a desirable light emission uniformity.

A vehicle control system has a plurality of subsystem controllers including an engine management system 28, a transmission controller 30, a steering controller 48, a brakes controller 62 and a suspension controller 82. These subsystem controllers are each operable in a plurality of subsystem modes, and are all connected to a vehicle mode controller 98 which controls the modes of operation of each of the subsystem controllers so as to provide a number of driving modes for the vehicle. Each of the modes corresponds to a particular driving condition or set of driving conditions, and in each mode each of the functions is set to the function in mode most appropriate to those conditions.

System and method for real-time, automatic, recognition of large time-scale driving patterns employs a statistical pattern recognition framework, implemented by means of feed-forward neural network utilizing models developed for recognizing, for example, four classes of driving environments, namely highway, main road, suburban traffic and city traffic, from vehicle performance data. A vehicle control application effects changes in vehicle performance aspects based on the recognized driving environment.

The present invention relates to an apparatus and method for performing cooperative autonomous driving between a vehicle and a driver. For this, a cooperative autonomous driving apparatus according to the present invention includes a driver state determination unit for determining a state of a driver and calculating the state of the driver as a risk index. An autonomous driving control unit classifies section characteristics of respective sections included in a path to a destination corresponding to the driver based on section data stored in a database (DB), and controls autonomous driving of a vehicle in which the driver is riding, based on a driving environment recognized for the path to the destination corresponding to the driver. A driving control determination unit determines driving modes of the respective sections included in the path based on the state of the driver and the section characteristics.

A power train for a motor vehicle includes a combustion engine, a clutch or other torque-coupling device, a transmission, and an electro-mechanical energy converter that is operable at least as a motor and as a generator. The electro-mechanical energy converter is coupled to the output shaft of the combustion engine through a torque transfer device with at least two rpm ratios that automatically set themselves according to whether the vehicle is operating in a start-up mode or in a driving mode.

A vehicle includes a button switch and a remote controller for setting an autonomous or manual driving mode, a microcomputer which outputs a mask control signal that corresponds to the driving mode, a command control unit which inputs a command to the microcomputer to output the mask control signal that corresponds to the driving mode, and a forward obstacle sensor and a rearward obstacle sensor which detect an obstacle and output a detection signal. A first logic circuit generates an emergency stop control signal that indicates a need or no need for an emergency stop of the vehicle based on the mask control signal from the microcomputer and the detection signals from the obstacle sensors. An emergency stopping operation of the vehicle is controlled based on the emergency stop control signal from the first logic circuit.

A continuously variable transmission is mounted on a vehicle capable of selecting plural drive modes and changes a target engine speed between drive modes. A pulley ratio is controlled by a motor. An ECU for transmission control includes a calculation section which outputs a target engine speed as a function of throttle opening and vehicle speed, and a motor control value determination section which outputs a control value for controlling the motor based on the target engine speed and an actual engine speed. In a case where, when a drive mode is selected, the current target engine speed changes by an amount exceeding a predetermined judgment value according to vehicle speed, the motor control value determination section updates the current target engine speed in a stepwise manner. The resulting configuration reduces a shift shock caused by a drive mode change.

A steering wheel is configured as a dual-state input device configured to operate in two distinct states based on a current driving mode. In a manual driving mode, the input device is configured to control a limited set of vehicle functions and in an autonomous mode the input device is configured to control an expanded set of vehicle functions. The steering wheel includes a wheel rim movably mounted on a steering column and a hub disposed within a center of the wheel rim on the steering column, the main body portion comprising an interactive touch screen disposed on the main body portion. The wheel rim is configured to disengage from the hub and move along the steering column to a retracted position.

[Problems] There are provided a device and a method for telephone countermeasure in using a telephone during driving which can automatically suppress communication of only a driver in a vehicle.

[Means For Solving Problems] The device for telephone countermeasure includes a database (3), a driver judgment unit, and a mode switching unit. The database (3) contains driver face data (3-1) and a telephone number (3-2) of a mobile telephone (7) used by the driver for each of the drivers. The driver judgment unit identifies the current driver of the vehicle in the database (3) by the face authentication. The mode switching unit extracts the telephone number (3-2) of the mobile telephone (7) used by the identified driver from the database (3) and switches the mobile telephone (7) of the driver to a drive mode such as a message recording mode by using the telephone number.

A vehicle mode controller, a driving mode collecting means, and a plurality of subsystem controllers including an engine management system, a transmission controller, a steering controller, a brakes controller and a suspension controller, provide an improved system and method of operating a vehicle control system in a host vehicle in a manner suitable for a respective driving surface in a plurality of different off-road surfaces and terrains such as might be encountered when driving off-road. An improved method is provided for controlling a vehicle control system by avoiding unplanned combinations of subsystem configuration modes and minimizing the transition time when changing between subsystem configuration modes.

A system and method for determining whether a vehicle driver is holding a steering wheel of the vehicle while the vehicle is in an autonomous driving mode. The vehicle will include an electric power steering (EPS) system and may include an active front steering (AFS) system, both of which include a motor that can apply a high frequency and low amplitude perturbation signal to the steering wheel of the vehicle that is not felt by the vehicle driver and does not cause the vehicle to turn, but is able to be detected by a steering angle sensor. The method subtracts a steering angle command signal from the steering angle signal and removes road disturbances, and then determines whether the induced perturbation signal is present in the steering angle sensor signal. If the perturbation signal is present, then the system knows that the vehicle driver is not holding the steering wheel.

A driving mass of an integrated microelectromechanical structure is moved with a rotary motion about an axis of rotation, and a sensing mass is connected to the driving mass via elastic supporting elements so as to perform a detection movement in the presence of an external stress. The driving mass is anchored to a first anchorage arranged along the axis of rotation by first elastic anchorage elements. The driving mass is also coupled to a pair of further anchorages positioned externally thereof and coupled to opposite sides with respect to the first anchorage by further elastic anchorage elements; the elastic supporting elements and the first and further elastic anchorage elements render the driving mass fixed to the first sensing mass in the rotary motion, and substantially decoupled from the sensing mass in the detection movement, the detection movement being a rotation about an axis lying in a plane.

A method for the automatic operation of a vehicle in an autonomous driving mode not requiring user action is provided. This involves detection of a present traffic situation, a check whether the traffic situation fulfils a first criterion, and a blocking of a functionality which offers to a driver during the autonomous driving mode a secondary activity not related to driving the vehicle if the first criterion is fulfilled. A device for the automatic operation of a vehicle in an autonomous driving mode not requiring user action includes devices designed for carrying out the method for the automatic operation of a vehicle in an autonomous driving mode not requiring user action.

Angular rate sensor for detecting rotation about first, second and third mutually perpendicular input axes having a plurality of generally planar proof masses coupled together for linear drive-mode oscillation along multi-directional drive axes in a plane formed by the first and second input axes. The masses are mounted on a generally planar sense frame for linear movements relative to the sense frame in drive-mode and for rotation together with the sense frame in sense modes. The sense frame is mounted for rotation with the masses in sense modes about the first, second, and third input axes independent of each other, in response to Coriolis forces produced by rotation of the masses about the first, second, and third input axes respectively. And capacitance sensors responsive to the rotational movements of the masses and the sense frame in sense modes are employed for monitoring rate of rotation.

The present disclosure relates to enabling an autonomous vehicle operating in a self-driving mode to communicate information about what the vehicle is about to do or is currently doing. For example, one or more processors may maneuver a vehicle in an autonomous or self-driving mode. While maneuvering the vehicle in the autonomous driving mode, a time when the vehicle will begin to accelerate may be determined. A first audible signal may be played through a speaker at a time t seconds before the time when the vehicle will begin to accelerate. While maneuvering the vehicle in the autonomous driving mode, a time when the vehicle will begin to decelerate may also be determined. A second audible signal, different from the first audible signal, may be played through the speaker at the time when the vehicle begins decelerating.

According to an aspect of the present invention, there is provided an impact tool including: a motor drivable in an intermittent driving mode; a hammer connected to the motor; an anvil to be struck by the hammer to thereby rotate/strike a tip tool; and a control unit that controls a rotation of the motor by switching a driving pulse supplied to the motor in accordance with a load applied onto the tip tool.

Discussed are a display device with an integrated touch screen and a method of operating the same. The display device according to an embodiment includes a display panel including a plurality of pixel electrodes; a touch screen including m number of electrodes which are formed to overlap with the plurality of pixel electrodes, wherein m is a multiple of n, and n is an integer equal to or greater than two, and wherein the m electrodes are divided into n number of electrode groups; a touch driver configured to generate a touch scan signal and to supply the generated touch scan signal to a display driver; and the display driver configured to apply a common voltage or the touch scan signal to one or more of the m electrodes depending on a driving mode of the display device.

A display device with an integrated touch screen including a display panel including electrodes divided into a plurality of block type groups and a plurality of data lines; a display driver IC configured to apply a common voltage to the electrodes when a driving mode of the panel is a display driving mode, sequentially apply a touch scan signal to each block type group when the driving mode of the panel is a touch driving mode, and apply a data signal to the data lines associated with a corresponding block type group when the touch scan signal is applied to the corresponding block type group; and a touch IC configured to generate the touch scan signal and apply the touch scan signal to the display driver IC.

In a planetary gear unit 120, a planetary carrier 123 is linked with an engine 150, a sun gear 121 with a motor 130, and a ring gear 122 with a motor 140 and an axle 116. A clutch 160 is disposed between the planetary gear unit 120 and the motor 140 to connect and disconnect the planetary gear unit 120 with and from the motor 140. A brake 162 is also provided to constrain the ring gear 122 in a released position of the clutch 160. The state of coupling the clutch 160 attains the structure of a parallel hybrid vehicle. The state of releasing the clutch 160 and activating the brake 162 to constrain the ring gear 122 attains the structure of a series hybrid vehicle. The technique of the present invention changes over the drive mode according to the driving state of the hybrid vehicle, thus ensuring an efficient drive that takes advantage of the characteristics of the respective drive modes.

A vibratory rate z-axis gyroscope is characterized by drive-mode and sense-mode quality factors and rate sensitivity and is fabricated with at least two decoupled vibratory tines, a levered drive-mode mechanism coupled between the tines to structurally force anti-phase drive-mode motion of the tines at a predetermined drive frequency, to eliminate spurious frequency modes of the anti-phase drive-mode motion of the tines lower than the predetermined drive frequency and to provide synchronization of drive- and sense-mode motion of the tines, and a sense-mode mechanism coupled between the tines arranged and configured to provide a linearly coupled, dynamically balanced anti-phase sense-mode motion of the tines to minimize substrate energy dissipation and to enhance the sense-mode quality factor and rate sensitivity.

The invention relates to the technical field of oil and gas well production increase and fracturing operation, in particular to a horizontal well hydraulic directional spraying gun. The horizontal well hydraulic directional spraying gun comprises a directional split tooth cylinder, an enveloping line sleeve, a directional steel ball, thrust bearings and nozzles. The directional split tooth cylinder and an upper connector form an annular space, a reset spring is arranged in the annular space, the right end of the upper connector is connected with an upper housing, the enveloping line sleeve issleeved with the interior of the upper housing, a central rod penetrates through the interior of the enveloping line sleeve to be connected to an internal thread at the right end of the directional split tooth cylinder, and a closed space is defined by the upper housing, the directional split cylinder and the enveloping line sleeve; the directional steel ball is placed in the closed space, the right end of the upper housing is in threaded connection with a connecting sleeve, the thrust bearings are symmetrically disposed at both ends of the connecting sleeve, and the right end of the enveloping line sleeve is connected with a spraying gun casing. Forced orientation of the spraying gun casing can be achieved by a hydraulic driving mode, the orientation success rate is high, tools can be reused after maintenance and protection, and the cost is low.

The invention discloses a capacitance-type built-in touch screen, a driving method thereof and a display device. A touch induction electrode is arranged on a colorful film substrate; a whole-surface connection public electrode layer in a TFT (thin film transistor) array substrate is divided into strips to be used as touch driving electrodes; touch driving signal lines are arranged in a display area by a double-gate structure, thereby being favorable for the narrow frame design of the touch screen relative to that the touch driving signal lines are arranged in the non-display area of the touch screen; at least one touch driving signal line is electrically connected with one touch driving electrode; and multiple touch driving signal lines simultaneously provide a driving electric signal to one touch driving electrode so as to furthest improve the transmission efficiency of the driving electric signal and reduce the time delay of the driving electric signal. In addition, because the touch stage and the display stage adopt a time-sharing driving mode, a display driving chip and a touch driving chip can be integrated into a whole, and the production cost is lowered. According to the time-sharing driving, mutual interference between display and touch can be lowered, and the picture quality and the touch accuracy can be improved.

A multilevel phase-change memory, manufacturing method and status transferring method thereof. The phase-change memory includes two phase-change layers and electrodes, which are configured in a series structure to form a memory cell. A current-drive mode is employed to control and drive the memory such that multilevel memory states may be achieved by imposing different current levels. The provided multilevel phase-change memory has more bits and higher capacity than that of the memory with a single phase-change layer. Furthermore, the series structure may reduce the cell area and the device volume.

A touch screen liquid crystal display (LCD) device is provided. In its design, a LCD panel and an input panel are integrated, to prevent damages or impurity contamination in the manufacturing and assembly process of the LCD, further to spare the additional analog-to digital converter and control circuit. With the driving method of the present invention, the touch screen LCD device with integrated display and input function doesn't affect the original LCD display function. Moreover, the simple on/off driving mode also enhances the resolution requirement of the touch screen LCD.

A gimbal-type torsional z-axis micromachined gyroscope with a non-resonant actuation scheme measures angular rate of an object with respect to the axis normal to the substrate plane (the z-axis). A 2 degrees-of-freedom (2-DOF) drive-mode oscillator is comprised of a sensing plate suspended inside two gimbals. By utilizing dynamic amplification of torsional oscillations in the drive-mode instead of resonance, large oscillation amplitudes of the sensing element is achieved with small actuation amplitudes, providing improved linearity and stability despite parallel-plate actuation. The device operates at resonance in the sense direction for improved sensitivity, while the drive direction amplitude is inherently constant within the same frequency band.

A hybrid vehicle drive control system has a first clutch interposed between an engine and a motor/generator, a transmission including several gear position clutches arranged between the motor/generator and a drive wheel, and a controller. The controller selectively starts the engine using torque from the first clutch during a mode drive change from an electric drive mode to a hybrid drive mode. When an engine start command occurs during the drive mode change, the controller selects the engaged gear position clutch that has the maximum torque transfer capacity from the engaged clutches constituting a vehicle running gear occurring during an engine starting process as a second clutch to be controlled. Then the controller executes a slip control of the second clutch when the first clutch is being connected to start the engine during the mode change from the electric drive mode to the hybrid drive mode.

The invention discloses a spiral driving pipeline robot. The spiral driving pipeline robot comprises a robot body and a remote control box which are connected with each other through an cable, the robot body comprises a driving mechanism, a walking mechanism and a control system, the driving mechanism comprises a driving wheel rack, driving wheels are mounted on the driving wheel rack, the walking mechanism comprises a walking body, and guide wheels are disposed on the walking body. According to the spiral driving pipeline robot, a spiral driving mode is utilized, the robot can specially work in an elongated pipeline that people can not reach so as to perform cleaning, detecting, wiring and the like, an artificial intelligence control technology is applied, and thereby, the walking process of the robot in the pipeline is smooth. Besides, the spiral driving pipeline robot is high in driving force and stable in moving speed, walking speed and angles of the robot can be changed with the change of working environment by the aid of remote control so as to be adapted to changeable conditions in the pipeline, and specific implementation of investigation, cleaning and the like in actual application is facilitated.

An apparatus for climbing and descending stairs or other obstacles has three flexibly connected sections and a pair of crawler belt systems on opposite sides of the unit. Each of the crawler belt systems comprised of three crawler belts are driven by one of a pair of motors that directly drives a pinion that engages two of the crawler belts, one of which then drives the last crawler belt through another pinion. The stair-climbing apparatus also includes a mounting platform for coupling a carrier device such as a wheelchair or a box. In order to provide cushioning and stability for movements from a horizontal surface to an inclined surface and vice versa, shock absorbers are provided between the three sections. A linear actuator is also provided to provide stabilization as well as the ability to raise and lower both the stair-climbing crawler unit as well as the wheelchair, providing three modes of operation including manually wheel driven mode, motor wheel driven mode, and motor crawler driven mode.

A feedback server includes a processing circuitry configured to determine an actual driving performance of a driver in a manual driving mode and a projected driving performance if the vehicle had been operated in an autonomous driving mode, compare the driving performance in the manual driving mode and the autonomous driving mode, and transmit a feedback to the driver based on the comparison. The processing circuitry can be further configured to determine a driver state of the driver in the manual driving mode, determine environmental driving condition of the vehicle, and establish a baseline behavior of the driver as a function of the driver state and the environmental driving condition.

A system and method for detecting a road curve as a vehicle approaches the curve, automatically providing road curvature information and controlling vehicle speed. The system uses a locating device and a map database to know the vehicle's position. Depending on the speed of the vehicle, the system generates a curvature profile for different curvature data points at or around the curve in front of the vehicle. The system then generates a desired speed profile for the curvature points. The desired speed profile and the actual vehicle speed are compared to determine whether the vehicle is traveling too fast for the target speed at each profile point. The acceleration computation can be enhanced by providing a driver cornering mode input that the vehicle operator can select based on how aggressively the driver wants the system to act to slow down the vehicle.