122results about How to "Safe travel" patented technology

A vertical take-off and landing vehicle comprised of a fuselage having a front, a rear, and two lateral sides and a set of four thrusters set to the front, the left, the right, and the rear of said fuselage. The thrusters are either independently powered thrusters or could utilize a single power source. The thrusters, which are ducted fan units capable of providing a vertically upward force to the aircraft, are provided with such redundancy that the aircraft can hover with up to two thrusters inoperative. The thrusters are comprised of a set of two counter rotating propellers both of which creates lift. The two counter rotating propellers cancel out the torque effect normally created by using only one propeller. The Ducted fan units being movable between a first position in which they provide vertical lift and a second position in which they provide horizontal thrust using a set of servos and gears.

A travel route generating method for an unmanned vehicle, which includes a condition input step of inputting a vehicle constraint condition including a vehicle width and a minimum turning radius of the unmanned vehicle, and a geometrical constraint condition including a travel route generation range in which the unmanned vehicle is to travel, an obstacle to avoid, and a position and a direction of an entrance point and an exit point; and a travel route generating step of generating a travel route such that the vehicle constraint condition and the geometrical constraint condition are satisfied, and such that a function value of a cost function having at least a magnitude of a curve and / or a rate of change in the curve as a cost element is minimized.

An automatic driving system for vehicles safely switches a vehicle from an automatic drive mode to a manual drive mode. An automatic driving controller of the automatic driving system includes a travel behavior determining unit that determines a travel behavior of a vehicle during automatic driving based on an operational state of a steering system, an accelerating system, and / or a braking system thereof; a driver's state determining unit that determines a state of a driver based on a face image of the driver captured by a face image camera, biometric information of the driver obtained from body pressure of the driver and variation thereof detected by body pressure sensors of a driver's seat, and signals from pressure-sensitive sensors arranged at a steering wheel and the like; and a drive mode switching control unit that controls in stages switching to manual driving based on the determination results.

A surface traveling mobile apparatus which moves by an endless track belt installed to be wrapped around a case from end to end, traveling on a surface by the rotation of wheels driven by a power source is provided. The surface traveling mobile apparatus includes vacuum chambers installed to be attached to the sides of the wheels, a vacuum tube for connecting the vacuum chambers to each other, a vacuum pump formed in part of the vacuum tube, the vacuum pump for inhaling and exhausting air, and suction mechanisms installed along the endless track belt at predetermined intervals, valve driven by contacting the wheels, and vacuum attached to the surface by the vacuum pump inhaling and exhausting air. Also, a cleaning apparatus including a spray unit for spraying water or wash liquid to the surface when the surface traveling mobile apparatus moves, and a rotating brush for washing the surface using the sprayed liquid, are provided. Accordingly, the surface traveling apparatus and the cleaning apparatus using the same can freely travel a plane, an inclined plane, a vertical plane, and a ceiling and thus, can clean areas which are not easily cleaned by people, such as windows or high buildings and high ceilings.

According to conventional art, if there is an obstacle on the left of a vehicle, a control threshold value is set so as to avoid the obstacle. If the control threshold value is exceeded, the vehicle is controlled in accordance with a deviation quantity so as to return to a position where the control threshold avoids being exceeded. However, even if a risky oncoming vehicle is approaching the vehicle on the right, the vehicle is controllably moved toward the oncoming vehicle. Thus, disadvantageously, a driver has a sense of fear or discomfort. A vehicle control apparatus according to the present invention includes a calculation section configured to calculate a first risk level present on the left of the vehicle and a second risk level present on the right of the vehicle, a setting section configured to set a first control threshold for the left of the vehicle based on the first risk level and to set a second control threshold for the right of the vehicle based on the second risk level, a change section configured to change at least one of the first and second control thresholds based on the first and second risk levels, and a control section configured to control the vehicle based on the changed control threshold.

An electric controller starts post-collision control when an acceleration of the vehicle detected by means of sensors mounted on the vehicle is greater than an acceleration threshold (i.e., after occurrence of a collision of a vehicle). In the post-collision control, the electric controller fixes the throttle valve opening to a predetermined value, and shifts the transmission from the present gear position to an adjacent lower-side gear position. Moreover, the electric controller controls the hydraulic pressure of the brake such that the vehicle deceleration in the front-rear direction detected by means of the sensors becomes a target deceleration.

A device and a method for informing passengers of an elevator installation in a building includes at least one information display at at least one start floor and / or at least one second information display in at least one car. The first information display indicates the arrival time of a car at a start or destination floor and the second information display indicates the arrival time of the car at a destination floor.

When a vehicle travels along a curve of a road, a target vehicle acceleration / deceleration that is used for accelerating / decelerating the vehicle to a target vehicle speed, which is set for the curve, is calculated. Based on a comparison between a present vehicle speed of the vehicle and the target vehicle speed, the vehicle is controlled such that an acceleration / deceleration of the vehicle coincides with the target vehicle acceleration / deceleration.

The invention discloses a bicycle safety riding monitor which comprises a single chip microcomputer and a power module used for supplying power. The input end of the single chip microcomputer is connected with a Hall speed sensor, left and right handle detection modules and a rear seat detection module in sequence. The output end of the single chip microcomputer is connected with a voice module and a liquid crystal display module. The output end of the voice module is provided with a loudspeaker. The monitor of the structure is correspondingly installed and applied to a bicycle, whether a rider rides the bicycle with one hand or no hand unsafely is monitored through the left and right handle detection modules, whether the running bicycle is overspeed or not is monitored through the Hall speed sensor, and whether a rear seat of the running bicycle carries a person or not is monitored through the rear seat detection module, so that the phenomenon that middle school students ride the bicycle with one hand or no hand or ride the bicycle at the too high speed is effectively prevented, the warning and reminding effect is achieved, and safety running of the bicycle is better ensured. The bicycle safety riding monitor has the advantages of being simple in structure, sensitive in reaction and high in practicability.

An intersection visibility determination device includes an ECU that determines visibility at an intersection. When a host vehicle approaches an intersection with a stop sign, the ECU calculates conflict points at which a trajectory vector of the host vehicle intersects with virtual trajectory vectors of intersecting objects, which are presumed to come from the right side and the left side of the intersection, respectively. The conflict points are calculated based on information on types and traveling positions of the intersecting objects. The ECU sets visibility determination areas at the intersection as viewed from the host vehicle based on the positions of the conflict points, the right-side and the left-side visibility target distances, and the current location of the host vehicle, and calculates, based on the visibility determination areas, visibility distances that are used as visibility parameters indicating whether the visibility at the intersection is good or poor.

A map moving apparatus capable of performing desired map movement by a simple input operation without requiring a continuous operation by a user in moving a map screen display region is disclosed. An operated direction, an operated position, an operated speed and the like are detected from an input operation that a user performs on the map screen display region, and a map screen display region input shape recognizing section recognizes an input shape. A polygon shape identifying section extracts data having substantially the same shape as the recognized input shape from polygon data in map display data by using a matching method. When data having substantially the same shape exists, a type of the polygon is identified. In a movement mode selecting section, the movement of a screen map reverses direction when it reaches an end portion in the case where the polygon type is a linear shape, and the movement circulates to continue movement of the map screen where the type is a ring shape with no end portion. In the case where guidance information is detected during the movement of the map, guidance is provided on a screen or by voice.

An airplane wing configuration includes a first wing positioned above and forward of a second wing on an airplane fuselage. The first wing is operable to direct airflow over an upper surface of the second wing, whereby the first and second wings are capable of generating greater lift than a sum of their individual lifts. The first wing may include an adjustable wing flap that redirects airflow over the upper surface of the second wing, and the second wing may include a rotatable portion that pivots to vary the angle of attack of the second wing independent of the first wing.

A vehicle device includes a controller configured to: receive a signal indicative of a travelling environment of the vehicle; and output a display signal to a display device to instruct the display device to display a mark at a position in the vehicle where safety should be confirmed by a driver of the vehicle, the display signal being output in accordance with the travelling environment. Accordingly, it is possible to prompt a user to confirm the safety at suitable positions and at proper timing.

The present invention relates to an actuator apparatus of an active accelerator pedal, which can provide a driver with a pressing-force rise mode or a vibration mode in accordance with the operational condition of the accelerator pedal and the traveling condition of the vehicle; therefore, it is possible to improve fuel efficiency and also help safe traveling. An actuator apparatus of an active accelerator pedal of the present invention includes: an actuator housing fixed to a pedal arm housing; a stator fixed to the actuator housing and electromagnetized by current transmitted though the control of an ECU; a carrier having one end disposed in a stator and the other end disposed toward the pedal arm through the actuator housing, and applying pressing-force to the pedal arm while protruding from the stator when current is applied to the stator; and a position sensor disposed in the actuator housing and detecting the amount of rotation of the pedal arm to determine the amount of current applied to the stator through the control of the ECU.

The invention relates to a passenger intelligent dispatching and commanding system and method for urban rail transit. The system comprises an OCC equipment room, OCC scheduling room equipment, a station passenger flow perception, recognition and analysis device, a vehicle-mounted passenger flow perception, recognition and analysis device and a communication backbone network. The OCC equipment room, the OCC scheduling room equipment, the station passenger flow perception, recognition and analysis device and the vehicle-mounted passenger flow perception, recognition and analysis device are connected through the communication backbone network. Compared with the prior art, the system has the advantages of high automation level, high intelligent level, high scheduling and commanding efficiencyand the like, safe travel of passengers can be further guaranteed, and the rail transit operation satisfaction is improved.

There is provided an electric ground working vehicle including a left wheel and a right wheel, at least one caster, a working apparatus, an acceleration operating element for performing acceleration instructions, a turn operating element for performing turn instructions, and a control unit. The left wheel and the right wheel are independently driven by left and right electric motors respectively. The control unit controls a regenerative brake driving unit so that electric power is regenerated from the left and right electric motors to an electric power source unit when the acceleration operating element is not operated during traveling to regeneratively brake the left and right wheels. The control unit controls the brake force of the wheels so that the brake force of the wheel at the inside of a turn, among the left wheel and the right wheel, can be made greater than the brake force of the wheel at the outside of a turn when the acceleration operating element is not operated during traveling and turn instructions are inputted from the turn operating element.

An electrically operated brake device in which braking force differences between electrically operated brakes are reduced to prevent unstable vehicle traveling during braking. Motors 13 of electrically operated brakes are returned to standard positions during the stop of a vehicle and the motor 13 of each of the brakes is driven for a predetermined amount, pressing a brake pad 17 against a disc rotor 18 to produce a braking force. An electric current value of each motor 13 in the above operation is measured and differences between the values are calculated. Electric current of each motor is increased or decreased so that there is no current difference between the motors 13. Based on a drive amount of each motor in this operation, standard positions of the motors are determined and updated. Repeating the above operations reduces braking force differences between the brakes.

The invention discloses a traffic police cloud warning platform. The platform comprises a cloud server, a road condition collection system and a data transmission unit; road condition information collected by the road condition collection system is uploaded to the cloud server by the data transmission unit, and different types of the road condition information is distributed to different user terminals by the cloud server through the data transmission unit; the road condition information comprises sidewalk prompting information, road section height limiting information, warning information ofvehicles coming from the opposite direction at a visual angle limited corner, information of vehicles driving in the wrong direction on a one-way lane, low visibility warning information, water levelinformation of ponding on roads, icy road information and vehicle overspeed and sign warning information. According to the platform, multiple kinds of warning information is integrated on the same cloud platform so that users can avoid road sections with safety hazards in advance, and driving safety is greatly improved.

The invention provides a wearable intelligent blind guiding system. The system comprises a headset and a wearable intelligent blind guiding device; the wearable intelligent blind guiding device comprises a first switch, a first power module, a first controller, an image collection module, an image recognition module, a voice recognition module, a mobile communication module, a first wireless communication module, a GPS positioning module and a distance measurement module; the wearable intelligent blind guiding system further comprises a remote control which comprises a second switch, a second power module, a second controller, a second wireless communication module and a first button; the wearable intelligent blind guiding device is provided with a wearable carrier. According to the wearable intelligent blind guiding system, by being arranged to be a separate structure of the wearable intelligent blind guiding device and the remote control and the headset, the blind can carry and control the system conveniently, and a safe, simple and convenient trip mode is provided for the blind.

A portable fan assembly adapted for seatmant on a vehicular surface in a spaced apart relationship to a child car seat, comprising a front portion, a back portion, two side portions, a top portion, and a bottom portion. An interior void is positioned centrally within the assembly, extending from the front portion to the back portion. A fan unit having a housing that is positioned within the interior void. The housing includes a central hub and at least a pair of fan blades that are mounted to the hub. The hub is rotationally connected by an elongated shaft to a fan motor configured to be operative for rotating the fan blades for directing air through the interior void. The front portion, back portion, two side portions, the top portion, and the bottom portion are substantially padded for providing a cushioning effect that prevents injury to an child situated in close proximity to the assembly, and at least one attachment strap configured to securely position the assembly to a vehicular seat.

An intersection visibility determination device includes an ECU that determines visibility at an intersection. When a host vehicle approaches an intersection with a stop sign, the ECU calculates conflict points at which a trajectory vector of the host vehicle intersects with virtual trajectory vectors of intersecting objects, which are presumed to come from the right side and the left side of the intersection, respectively. The conflict points are calculated based on information on types and traveling positions of the intersecting objects. The ECU sets visibility determination areas at the intersection as viewed from the host vehicle based on the positions of the conflict points, the right-side and the left-side visibility target distances, and the current location of the host vehicle, and calculates, based on the visibility determination areas, visibility distances that are used as visibility parameters indicating whether the visibility at the intersection is good or poor.

A device and a method for informing passengers of an elevator installation in a building includes at least one information display at at least one start floor and / or at least one second information display in at least one car. The first information display indicates the arrival time of a car at a start or destination floor and the second information display indicates the arrival time of the car at a destination floor.

There is provided a vehicle-mounted image processing device that is capable of making a plurality of processing units appropriately perform processes corresponding to scenes in which there are many types, such as people, vehicles, etc., and in which they are combined. Based on processing results of image processing by a plurality of processing units 40, the vehicle-mounted image processing device generates tag information representing the type and priority of image processing to be executed next by each of the processing units 40, and, using tag information generated during previous image processing, determines whether or not to have each of the processing units 40 perform image processing.

A vehicle-mounted information indication device of the present invention comprises a vehicle-mounted terminal 2 mounted on a vehicle. The vehicle-mounted terminal 2 comprises a CPU 6, a GPS receiver 7, a vehicle speed sensor 8, a gyro 9, an acceleration sensor 10, a beacon receiver 11, a status input device 12, a marker post database 13, a map database 14, a map monitor 15, an audio output device (corresponding to the voice reporting device of the present invention) 16, and an external storage device 17. Not only the position of the vehicle but also a marker post sign at the location of the vehicle are displayed together on a monitor screen of the map monitor 15. Therefore, an occupant such as a driver of the vehicle can be informed of the position of the vehicle on the ground where the vehicle travels and can be easily, accurately, and promptly informed of the marker post sign at the location of the vehicle.

The present invention relates to an actuator apparatus of an active accelerator pedal, which can provide a driver with a pressing-force rise mode or a vibration mode in accordance with the operational condition of the accelerator pedal and the traveling condition of the vehicle; therefore, it is possible to improve fuel efficiency and also help safe traveling. An actuator apparatus of an active accelerator pedal of the present invention includes: an actuator housing fixed to a pedal arm housing; a stator fixed to the actuator housing and electromagnetized by current transmitted though the control of an ECU; a carrier having one end disposed in a stator and the other end disposed toward the pedal arm through the actuator housing, and applying pressing-force to the pedal arm while protruding from the stator when current is applied to the stator; and a position sensor disposed in the actuator housing and detecting the amount of rotation of the pedal arm to determine the amount of current applied to the stator through the control of the ECU.

A curve-travel target acceleration calculator calculates a curve-travel target acceleration. A first curve-travel target acceleration calculator calculates a first target acceleration corresponding to a gentle curve, and a second curve-travel target acceleration calculator calculates a second target acceleration corresponding to a sharp curve. The curve-travel target acceleration is set to the smaller of the first target acceleration and the second target acceleration. A follow-up target acceleration calculator calculates a follow-up target acceleration and a constant-speed target acceleration calculator calculates a constant-speed target acceleration. An arbitrator selects as a target acceleration the minimum out of the curve-travel target acceleration, the constant-speed target acceleration, and the follow-up target acceleration.