91results about How to "Relieve driving fatigue" patented technology

The invention discloses a vehicle queue stability control method considering communication delay. The method comprises the steps that 1, a vehicle queue following mathematical model is established; 2,a nonlinear lower layer control gain is constructed by a feedback linearization strategy, and a node power unit is described as a node linear model; 3, a high-dimensional closed-loop state equation of a vehicle queue following control system under dynamic parameter uncertainty is established; 4, sufficient conditions are used for giving sufficient conditions that a vehicle queue with communication delay has a stabilization controller under the symmetric communication topology; and 5, the stabilization controller is constructed to obtain a controller gain so as to control static feedback control of a distributed controller, and the stability of the vehicle queue following control system is ensured. The method can ensure the stability of the vehicle queue following control system, reduces the vehicle queue following interval, increases the traffic flow, and reduces the energy consumption.

The invention provides a feedback type fatigue detecting system which is characterized by comprising a sensing module, a fatigue detecting module and a sound alarm and feedback module, wherein the sensing module is used for collecting an image optical signal and/or a sound signal from a driver; the fatigue detecting module is connected with the sensing module and is used for judging the fatigue state of the driver according to the collected image optical signal and/or the sound signal; and the sound alarm and feedback module is connected with the fatigue detecting module and is used for sending out a sound alarm signal and a sound interactive signal according to the fatigue state of the driver and feeding the related information of the sound interactive signal back to the fatigue detecting module as a reference standard for judging the fatigue state of the driver. The feedback type fatigue detecting system has high accuracy for fatigue detection of the driver and can effectively avoid generating false alarm and leakage alarm.

The invention discloses a system and a method for detecting and relieving driving fatigue based on electrical acupoint stimulation. The system comprises an electroencephalogram acquisition device, an upper computer, a lower computer and an electrical stimulation instrument, an input end of the electroencephalogram acquisition device is connected to the cerebral cortex of a driver, an output end of the electroencephalogram acquisition device is connected with the upper computer which is connected with the lower computer, the lower computer is connected with an input end of the electrical stimulation instrument, and a pulse output end of the electrical stimulation instrument is connected to a meridian point, capable of reliving brain fatigue, of the driver through an electrode. The method includes: acquiring electroencephalogram signals of the driver in real time; and extracting fast-wave and low-wave frequency band signals in the electroencephalogram signals, computing a ratio of fast-wave average power spectra to low-wave average power spectra, judging the driving state of the driver according to reduction of the ratio, and controlling the electrical stimulation instrument to start and enter a corresponding working mode. Driving states of the driver are monitored in real time, and electrical stimulation is performed to the driver in good time, so that driving fatigue is relieved better, driving safety is improved, and hidden danger of traffic caused by fatigue driving is reduced.

The invention discloses a vehicle queue stability control method considering vehicle dynamics parameter uncertainty. The method comprises the steps that 1 a mathematical model of vehicle queue following is established; 2 nonlinear lower-layer control gain is constructed through a feedback linearization strategy to describe a node dynamic unit as a node linear model; 3 the high-dimensional closed-loop state equation of a vehicle queue following control system under dynamics parameter uncertainty is established; 4 the stability of the high-dimensional closed-loop state equation is converted intothe stability of several low-dimensional sub-modal systems, and sufficient conditions for the existence of a stabilization controller for vehicle queues with dynamics parameter uncertainty under symmetric communication topology are given; and 5 the sufficient conditions are used to propose a low-dimensional Riccati inequality, and the solution of the Riccati inequality is used to construct a stabilization controller to acquire controller gain. The method provided by the invention can ensure the stability of the vehicle queue following control system, reduces the following interval of vehiclequeues, increases traffic flow, and reduces energy consumption.

The invention discloses a traffic light remind device for a vehicle and a system. The device comprises a positioning module for positioning a current geographic position of the vehicle in real time to obtain current position information of the vehicle, a communication module for performing communication with a server of a traffic command and control center, a query module which is connected with the communication module and the positioning module and queries traffic light set information of a geographic position area, where the vehicle locates, through the communication module according to the current position information, and a remind module which is connected with the query module and used to give the vehicle a traffic light remind according to the traffic light set information of the geographic position area where the vehicle locates. The remind device of the embodiment timely feeds time need by the vehicle to wait for a traffic light back to a driver, so the driver can appropriately perform metal relaxation, driver's driving fatigue is relieved, and then user's experience is improved.

The invention discloses an intelligent vehicle-mounted perfuming system for relieving driving fatigue. The intelligent vehicle-mounted perfuming system comprises a fatigue characteristic database, a fatigue monitoring module, a data processing module, a characteristic comparing module, a control information generating module, a system control module and a perfuming device, wherein the fatigue characteristic database is used for storing initial fatigue data; the fatigue monitoring module is used for acquiring initial fatigue data; the data processing module is used for identifying the initial fatigue data and extracting actual characteristic information from the initial fatigue data; the characteristic comparing module is used for invoking the fatigue characteristic data in the fatigue characteristic database according to the actual characteristic information and carrying out characteristic comparison; the control information generating module is used for generating control informationaccording to characteristic comparison results; the system control module is used for starting or regulating the perfuming device according to the control information; and the perfuming device is usedfor generating and releasing fragrant air. The intelligent vehicle-mounted perfuming system disclosed by the invention can be intelligently controlled by monitoring the driving state of a driver, thereby improving the driving safety and improving the user experience.

The invention relates to an anti-dazzle principle based design method for traffic engineering facilities at a road tunnel exit. The method is characterized in that tunnel exit anti-dazzle facilities are arranged in front of the tunnel exit to ease intensive brightness transition caused by insufficient illuminating lamps at the tunnel exit; coloured painting materials of which reflection coefficients gradually reduce are arranged on the tunnel ceiling, side walls and roads from the top down to ease brightness transition and beam divergence at the tunnel exit, so as to lift the dazzle area, reduce the dazzle area below the visual line of a driver and increase the visual adaptation time; horizontal road direction lines and road lane keeping lines are arranged on the road, and side wall vertical direction lines and side wall double-layered contour marks are arranged on the side walls, so as to form a closed mid-frequency retroreflective information stream together; high-frequency red and white marked lines arranged on maintenance road edges and road side reflective raised route markers form a high frequency visual information stream to increase the driver's instantaneous velocity sensation, and promote the driver's speed feeling and distance feeling, and accordingly, the coordination and unification of the tunnel lighting energy conservation and tunnel traffic safety are realized.

The invention relates to a visual navigation driving assisting system for a grain combine harvester. The visual navigation driving assisting system for the grain combine harvester comprises a camera, a grain combine harvester visual navigation path recognition system, a grain combine harvester visual navigation steering control system and a full-hydraulic mechanical steering system. The grain combine harvester visual navigation path recognition system is used for receiving a farmland scene image collected by the camera and performing calculation to obtain navigation path line parameters. The grain combine harvester visual navigation steering control system integrates the navigation path line parameters, harvester steering angle signals and harvester traveling speed signals and then outputs control instructions to the full-hydraulic mechanical steering system matched with the visual navigation driving assisting system. The full-hydraulic mechanical steering system matched with the visual navigation driving assisting system adjusts the steering angle of a rear axle steering wheel according to the control instructions so as to achieve steering control over the grain combine harvester. The visual navigation driving assisting system for the grain combine harvester combines a DSP and a single-chip microcomputer and is low in power consumption, capable of achieving equipment miniaturization, convenient to install and suitable for being popularized and used.

The invention discloses an automatic vehicle illumination control system and a control method. The automatic vehicle illumination control system comprises a headlamp controlled by a horizontal drive motor and a vertical drive motor, wherein both the horizontal drive motor and the vertical drive motor are controlled by a control module ECU; the control module ECU is connected with a vehicle speed sensor, a steering wheel angle sensor, a front-wheel vehicle body height sensor and a rear-wheel vehicle body height sensor; the horizontal drive motor and the vertical drive motor are adopted simultaneously, calculation is performed by the control module ECU according to multiple parameters including a brake distance, a vehicle speed, a steering wheel angle, front vehicle body height and rear vehicle body height, comprehensive and accurate control of the headlamp is realized, the accident rate during night driving is reduced greatly, and the driving safety is improved obviously; the system is simple in structure, convenient to mount and low in cost, the sensors have comprehensive functions although only a few sensors are adopted, and the requirements for the headlamp during driving at a curve and on a slope at night can be completely met.

The invention discloses a vehicle-mounted safety automatic massage pillow. The massage pillow comprises a supporting mechanism, a travelling steering mechanism, a massaging mechanism, a knocking mechanism, a safety shield mechanism, a control circuit and a sponge fabric fixing component, which are connected together, wherein all the mechanisms are arranged in the supporting mechanism and are fixedly connected to the supporting mechanism; the sponge fabric fixing component is wrapped on the profile of a supporting component; and the whole massage pillow is movably and rotatably fixed on a seat through a seat inserted rod of the travelling steering mechanism. The vehicle-mounted safety automatic massage pillow can be used for replacing a traditional vehicle-mounted headrest and can automatically and intermittently move, rotate and shift along a track fit with the curves of shoulder and neck of a human body during a working period, thereby carrying out a kneading and knocking double massaging action. The safety shield mechanism is used for sealing and shielding a kneading bulb and an action area thereof and supplying flexible supporting protection to the neck of the human body. When the tail of a vehicle is impacted, the vehicle is safely buffered and an elastic massaging knocking component elastically moves backward, thereby realizing the safety protection for the human body.

The invention discloses a driving fatigue-relief waist supporting device for an automobile seat. The driving fatigue-relief waist supporting device comprises a waist supporting air bag combination, a connecting pipe set, an inflatable device and a sliding mechanism. The sliding mechanism comprises a slideway, a sliding plate, a sliding rod, a crank sliding block mechanism and a lifting motor. The sliding plate is clamped with the slideway. The sliding rod is fixedly conected woith the sliding plate and arranged under the same. The crank sliding block mechanism is composed of a sliding block of the sliding rod and a hinge. The waist supporting air bag combination is fixedly arranged on the sliding plate and comprises 5 air bags. Each air bag is connected with a main connecting pipe through an auxiliary connecting pipe. The main connecting pipe is connected with the inflatable device. Each auxiliary connecting pipe is provided with a starting and stopping valve used for controlling inflation and deflation of the air bag connected with the same auxiliary connecting pipe. The waist supporting device can be adjusted vertically, has adjustable support force, is high in attaching degree with backs of drivers and suitable to the drivers of various physical signs and allows lower in driving fatigue.

The invention provides a cup stand device and an automobile, and relates to the technical field of automobiles. The cup stand device is characterized in that a cup stand base of the cup stand device is slidingly connected with a cup holder, and a height adjusting mechanism can fix the cup stand base to the cup holder by different heights and comprises a locking disc, a first locking part, a secondlocking part, an unlocking assembly and a resetting assembly, wherein the locking disc is arranged at the bottom of the cup holder, the first locking part is arranged on the locking disc, and the second locking part is arranged on the cup stand base; the locking disc and the cup holder are connected; the first locking part and the second locking part are matched so that the cup stand base and thelocking disc can be fixedly connected; the unlocking assembly is used for separating the first locking part from the second locking part; the resetting assembly is used for resetting the unlocked cupstand base. According to the device, a water cup or a ring-pull can placed on the cup stand base can ascend or descend. During descending, a handrail can slide forwards, a driver can conveniently place the elbow joint on the handrail, driving fatigue is relieved, and driving comfort is improved; during ascending, passengers can conveniently take out a water cup or the ring-pull can.

The invention discloses a vehicle automatic forced speed limit cruise system applicable to a speed limit section and is mainly oriented to roads of speed limit parks such as campuses and communities.The system comprises speed limit signal transmitters, an onboard signal receiver, a self-adaptive cruise controller, an onboard CAN bus and an actuator. The speed limit signal transmitters are arranged at the beginning end and the terminal end of the speed limit section and used for wirelessly transmitting a speed limit signal to a vehicle; after the onboard signal receiver receives the signal, the signal is transferred to the self-adaptive cruise controller of the vehicle through the onboard CAN bus, the speed of the vehicle is controlled to gently decrease, and the vehicle is forced to passat a speed lower than the speed limit value; and when the receiver receives a speed limit release signal, it indicates that the vehicle leaves the speed limit section, and the forced speed limit driving state is exited. By applying the vehicle automatic forced speed limit cruise system applicable to the speed limit section, the vehicle-road wireless communication is established, vehicles are forced to run at limited speeds through self-adaptive cruise control both in the manual and automatic driving modes, speed bumps are replaced, damage to vehicle components are avoided, the driving noise inparks is reduced, and safety and riding comfort are enhanced.

The invention discloses an advertisement delivery method for an expressway tunnel, which is characterized by comprises the following steps: setting one or more machine positions to mount projection equipment at appropriate positions according to the effect needed by advertisements in the expressway tunnel; and taking the wall of the tunnel and the road surface of the tunnel as projection screens to deliver one or more dynamic or static advertisement pictures. The method has the advantages that the method develops the internal space of the expressway tunnel to deliver advertisement information, and obtains direct economic benefit when the similar effect of special lamplight zones is obtained.

The invention discloses a cup stand capable of ascending and descending. The cup stand comprises a cup stand body, a tray provided with a clamping hook and a first reset spring. The tray is arranged in the cup stand body and can slide vertically relative to the cup stand body. The first reset spring is arranged between the tray and a base of the cup stand body. A locking mechanism capable of beingconnected with the clamping hook in a clamping manner is arranged at the bottom of the cup stand body. A lock rod capable of releasing the clamping hook is arranged at the side portion of the cup stand body. When the tray slides downwards to the first position along the cup stand body, the clamping hook is fixed to the locking mechanism in a clamping manner, and when the locking mechanism loosensthe clamping hook under the effect of the lock rod, the first reset spring pushes the tray to upwards move to the second position. By means of the cup stand, ascending and descending of drinks can beachieved, sliding of an automobile handrail and taking and placing of the drinks are facilitated, and the driving comfort is improved.

The invention relates to a windshield wiper reset device. On the basis that a motor outputs forward and reverse rotation motion and a speed reducer decelerates to drive a crank-rocker mechanism to work, a set of mechanism for changing crank eccentricity is added. The mechanism cooperates with the forward and reverse rotation switching of the motor through a coil spring and a reed under the circumstance of respective elastic combination, and drives the instantaneous rotation of the crank by certain angle so as to achieve change of the crank eccentricity, the whole process is completed in a moment, and finally two sets of crank-rocker mechanisms are formed. Under the action of the two sets of crank-rocker mechanisms, the purpose of difference between the wiper working area position and docking position of the windshield wiper is finally realized, and the added set of mechanism for changing crank eccentricity causes slight increase of the total product weight and no volume change, the windshield wiper reset device solves the problem that when the windshield wiper is not in use, the outer structure shields part of the view of a driver, endows the driver with more extensive view, and relieves driving fatigue.

The invention discloses a manual-intelligent double-mode separation and reunion control system. The control system mainly comprises a clutch mechanical assembly, a manual control clutch device, an intelligent control clutch device and a control unit. A corresponding control method is established according to the control system. The control method comprises the steps that after an automobile is started, a controller obtains signals of a clutch pedal signal sensor, a separation and reunion switch and an automobile speed sensor all the time, and when the signal of a clutch pedal is detected, but the signal of the separation and reunion switch is not detected, it is determined that a clutch operates under manual control, the system adopts a manual mode, and power-on control is not performed on a hydraulic pump and a two-position two-way solenoid valve switch; and when input of the signal of the separation and reunion switch is detected, but the signal of the clutch pedal is not detected, the system adopts an intelligent mode, and power-on control is performed on the hydraulic pump and the two-position two-way solenoid valve switch. The control system can be connected with an original clutch, the man-machine interaction performance is good, driving fatigue of a driver can be effectively relieved, energy is saved, and the traveling safety is guaranteed.

An automatic driving system of an automobile crane based on Beidou is characterized by comprising a navigation control system, a vehicle control system, a path planning system, an intelligent obstacleavoidance system and a wireless assistance system; the path planning system provides a user interface for a user to set a vehicle driving track of the automobile crane; the navigation control systemis connected with the path planning system and used for carrying out steering control on the automobile crane; the vehicle control system is connected with the path planning system and used for driving control over the automobile crane; the intelligent obstacle avoidance system is connected with the vehicle control system and is used for carrying out automatic obstacle avoidance control on the automobile crane; the wireless assistance system is connected with the vehicle control system and is used for carrying out remote control on the automobile crane. The method fills the blank of automaticdriving of the engineering machinery automobile crane, and can help a driver to relieve driving fatigue; the two hands of a driver can be liberated on specific high-strength repeated work occasions.

The invention provides a vehicle cruise deceleration prompting method and system, and the overall scheme is that a cruise system compares a cruise set vehicle speed with a vehicle speed signal transmitted by an integrated electronic parking brake system when a vehicle in a cruise mode and there is no target vehicle at the front; when it is monitored that the speed difference between the two does not reach the set state, the cruise system sends a display demand signal to a combination instrument assembly, and the combination instrument assembly sends prompt information to remind a driver. According to the technical scheme, logic judgment can be conducted on the current driving state through the cruise system, the driver is prompted through characters, and the purposes of prompting the driver to pay attention to the vehicle state and protecting the normal driving safety of the driver when the vehicle power is insufficient due to special road conditions are achieved.

The invention discloses a control device and an operation method for gear shifting of a manual gearbox without stepping on a clutch and loosening an accelerator. The control device comprises a user operation and prompt interface, a communication interface of a vehicle and an engine, and a gear shifting control calculation processing unit, wherein the user operation and prompt interface comprises an up-shift key, a down-shift key, a neutral gear key and a voice prompt module; the communication interface of the vehicle and the engine is in data connection with the user operation and prompt interface; the communication interface of the vehicle and the engine obtains data information of the engine rotating speed, the vehicle speed, the current gear of the vehicle, the neutral gear state, the clutch state and the brake state through a CAN message; the gear shifting control calculation processing unit is in data connection with the user operation and prompt interface and the communication interface of the vehicle and the engine, and is used for calculating the synchronous rotating speed of the engine and the gearbox in real time according to the data information acquired by the communication interface of the vehicle and the engine; and the synchronous rotating speed is used for realizing gear shifting of the manual gearbox without stepping on the clutch. By means of the control device provided by the invention, the gear shifting mode of the manual gearbox without stepping on the clutch and loosening the accelerator can be achieved.

The invention provides an electric shock wristband capable of relieving driving fatigue. The electric shock wristband comprises a wristband and a watch head, wherein an LED display screen and an indicator light are arranged on the upper surface of the watch head; the watch head is internally provided with a controller, the controller is electrically connected with the indicator light and the LED display screen separately, the lower surface of the watch head is provided with a physical sign monitoring module, the physical sign monitoring module comprises a heart rate sensor, a body temperaturesensor and a skin conductive sensor which are all electrically connected with the controller; the electric shock wristband further comprises a reminding module, wherein the reminding module is electrically connected with the controller and comprises an alarm module, a vibration module and an electric shock module. The electric shock wristband capable of relieving the driving fatigue has the advantages that the heart rate sensor, the body temperature sensor and the skin conductive sensor are used for monitoring the physical signs of a driver, and when the heart rate, body temperature and skin conduction data of the driver decrease, the physical sign monitoring module transmits the data to the controller.

The invention discloses a vehicle-mounted information service system based on scenes. The system comprises a data information acquisition module, a scene definition module and a personalized service module; the data information acquisition module acquires a vehicle speed signal calculated by a sensor of the vehicle; vehicle body positioning information is sent by GPS and inertial navigation; in-vehicle air quality data reported by the air purification system, driver facial expression signals processed by the face recognition system, real-time weather, weather quality, outdoor temperature and traffic jam information sent by the networking system and real-time indoor temperature data sent by the temperature detection system are finally sent to the scene definition module to be analyzed and processed. According to the system, the current scenes of the vehicle and the driver are determined by analyzing and processing the signals, the personalized service function under the specific scene is automatically executed without necessity of the driving active interaction action; the driving tasks of the driver during driving can be reduced, the driving fatigue can be effectively relieved, andthe driving safety is improved.

The invention discloses a massage automobile seat which comprises a backrest (1), a headrest (2) and a cushion (3), wherein a plurality of massage balls are arranged on the backrest (1); air pressure cavities corresponding to the massage balls are formed in the backrest (1); a whole automobile controller controls and starts an electronic oscillator in the backrest to work so as to change air pressure of the air pressure cavities to push the massage balls to operate; and the controller can control the electronic oscillator to work by receiving an automobile running time signal or an automobile parking signal. The massage automobile seat is reasonable in structure arrangement, meets the needs of people since the massage balls are arranged in groups and can be operated wholly or independently, reduces driving fatigue, improves riding comfort and has a better application prospect.

The invention provides a driving seat automatic adjusting method and system, a medium and an electronic terminal. The method comprises the steps that the initial seat position of a new user is obtained; the initial seat position is inputted into a preset matching model to be processed, one or more matching results of the new user are obtained, and the matching results comprise the driving mode and the seat position corresponding to the driving mode; the current seat position is switched to a first target seat position according to the driving mode selected by the new user, the first target seat position is the seat position corresponding to the driving mode selected by the new user, and seat adjustment is completed; according to the driving seat automatic adjusting method, customized adjustment of the driving seat is achieved, the automation degree is high, the driving pleasure is effectively improved, certain potential safety hazards are avoided, and driving fatigue is relieved.