46results about How to "Prevent loss of control" patented technology

An activity board assembly (1) including; a board (2) having an upper surface (3) for supporting a user (46), a base portion (4) and a resilient support member (5) having an upper and a lower distal end, said upper end being connected to an underside of the board and the lower distal end being connected to the base portion (4), characterised in that the board (2) is rotatable with respect to the base portion (4) about; a first axis in a plane substantially orthogonal with the upper surface (3) of the board and/or the base portion (4); a second axis substantially orthogonal to the first axis and substantially parallel to the upper surface (3) of the board and/or the base portion (4); a third axis orthogonal to both the first and second axis; the connection between the resilient support member (5) and the base portion (4) being configured to prevent linear movement with respect to each other.

A method for multiplexing a control information stream, and a data information stream comprised of systematic symbols and non-systematic symbols in a wireless mobile communication system is described. The multiplexing method includes mapping the data information stream to a resource area, so that the systematic bit symbols are not mapped to a specific resource area where the control information stream is to be mapped, and mapping the control information stream to the specific resource area.

The invention aims to provide a longitudinal movement attitude control device for a catamaran. The longitudinal movement attitude control device comprises a deck. A first sheet and a second sheet are respectively mounted at the left end and the right end of the lower side of the deck, a first front strut and a second front strut are respectively mounted at the front end of the first sheet and the front end of the second sheet, a first rear strut and a second rear strut are respectively mounted at the rear end of the first sheet and the rear end of the second sheet, a front hydrofoil is mounted at the lower end of the first front strut and the lower end of the second front strut, a rear hydrofoil is mounted at the lower end of the first rear strut and the lower end of the second rear strut, a first flap and a second flap are respectively arranged at the rear end of the front hydrofoil and are connected with the front hydrofoil by a first transmission shaft, a third flap and a fourth flap are respectively arranged at the rear end of the rear hydrofoil and are connected with the rear hydrofoil by a second transmission shaft, and the first transmission shaft and the second transmission shaft are respectively connected respective servo systems. The longitudinal movement attitude control device has the advantages that a heeling angle of the catamaran during pitching/heaving movement and rotation can be effectively reduced when the catamaran sails at a high speed, and accordingly the stability of the catamaran is improved.

The invention discloses a moxibustion system with a fully-automatic moxibustion mechanical arm. The moxibustion system comprises a moxibustion mechanical arm, a control box, a temperature sensor, a distance sensor, a camera and a control panel, wherein the moxibustion mechanical arm is used for controlling a moxibustion stick in a moxibustion box to carry out moxibustion; the control box is connected with a power mechanism of the moxibustion mechanical arm; the temperature sensor is used for detecting the temperature of the moxibustion stick and is connected with the control box; the distancesensor is used for detecting the distance between the moxibustion box and a moxibustion surface of a human body and is connected with the control box; the camera is used for shooting the moxibustion condition of the human body and is connected with the control box; the control panel is connected with the control box and is used for a person receiving moxibustion to watch the moxibustion conditionand freely set a moxibustion path; and the control panel is provided with an emergency key for rapid return to an original point. By controlling the moxibustion mechanical arm via the control box, various moxibustion modes such as circling moxibustion, mild moxibustion and bird-pecking moxibustion are realized, rapid return to the original position can be realized by the emergency key to prevent the mechanical arm from losing control and injuring people, and the person receiving moxibustion can freely set the moxibustion path.

The embodiment of the invention discloses an automatic driving control method, device and system. The system includes a processor, a computer system and an industrial personal computer system; the computer system is used for generating first driving path planning information and second driving path planning information according to the state data of a vehicle and a surrounding environment which are transmitted by a sensor system; the first driving path planning information is used for generating a control message; the control message is sent to a vehicle chassis system so as to carry out motion control on the vehicle; the second driving path planning information is provided for the industrial personal computer system in real time; the industrial personal computer system is used for storingthe second driving path planning information provided by the computer system, monitoring the running state of the computer system, and controlling the vehicle to park beside by utilizing the second driving path planning information and the state data, transmitted by the sensor system, of the vehicle and the surrounding environment when the computer system is abnormal. According to the embodimentof the invention, the reliability of an automatic driving automobile can be improved.

The invention belongs to the field of oxidation process control of desulfurization slurry, and relates to a limestone-gypsum method based oxidation control method for flue gas desulfurization slurry.A coarse regulation strategy for oxidation air volume is calculated on the basis of SO2 concentration of flue gas and flue gas flow, actual ORP value of the desulfurization slurry in an absorption tower is taken as a precise regulation strategy, and whole desulfurization oxidation is controlled. With the adoption of one intelligent automatic control method for the oxidation process of the desulfurization slurry, the problems that oxygen demand of sulfite of the desulfurization slurry is not matched with the actual air volume of an oxidation fan and overoxidation and underoxidation phenomena occur frequently in the traditional desulfurization slurry oxidation control method are solved, and timeliness and safety of oxidation control are enhanced.

The invention provides a method and a system for recovering an on-orbit latch of a satellite-borne transponder. The method comprises the following steps that a ground station or a relay satellite sends a remote control uplink instruction or data injection to a satellite; whether the two transponders on the satellite are latched or not is judged, if no response exists on the satellite, the two transponders are latched at the same time, and a double-channel fault mode is entered; if a response exists on the satellite, the two transponders work normally, or one of the transponders A and B is latched, and a single-channel fault mode is entered under the condition that one transponder is latched; the fault responder B is restarted after power failure; the ground station or the relay satellitesends a remote control uplink instruction or data injection to the satellite by using the transponder channel restarted after power failure; and if the satellite normally receives the instruction or the data, the fact the transponder restarted after power failure recovers normal work is indicated. According to the invention, when the two transponders are latched, the satellite can automatically make a judgment, autonomous power-off restart is carried out on the latched transponders, and the measurement and control communication function is recovered.

The invention relates to a collision energy absorption device. The collision energy absorption device comprises a front sub-frame, a front cross beam, and two energy absorption beams, wherein the two energy absorption beams are symmetrically arranged, and are connected between the front sub-frame and the front cross beam; the front sub-frame, the front cross beam and the two energy absorption beams are jointly surrounded to form a collision region; each of the energy absorption beams comprises a first side surface next to the collision region and a second side surface opposite to the first side surface; a plurality of bended first induction regions are arranged on the first side surface of each of the energy absorption beams; a plurality of bended second induction regions are arranged on the second side surface of each of the energy absorption surfaces; and the buckling radius of each first induction region of the first side surfaces is less than that of the corresponding second induction region of the corresponding second side surface in the length direction of each energy absorption beam. According to the collision energy absorption device disclosed by the invention, the collision energy absorption efficiency can be improved, the vehicle body collision acceleration is reduced, and impact on a human body is relieved. The invention further relates to an automobile.

The invention provides a street lamp control method and device and a street lamp controller. The street lamp controller is connected with multiple light sources on street lamps; multiple working modes of the light sources and working parameters corresponding to the working modes are kept in the street lamp controller. The method includes: acquiring the working modes of the light sources, wherein the working modes include one or multiple of a normally-open mode, a forbidden mode, a normally-closed mode, a timing mode and a sundial mode; extracting the working parameters corresponding to the working modes; according to the working parameters, outputting control signals of the light sources to control the working status of the light sources. By the arrangement, the working status of the light sources on the street lamps can be independently controlled, the problem that the street lamps are out of control when an exterior gateway or a server fails is solved, light conditions of different roads can be regulated respectively when the light sources face to the different roads, and the street lamp control method is more scientific and sophisticated.

The invention provides a secondary rock breaking drill bit for assisting pressurizing flow back through a spiral blade. The secondary rock breaking drill bit comprises a drill bit body, the blade anda cone; the blade is arranged at the top end of the drill bit body, and the blade and the drill bit body are of an integrated structure; and a gauge protection part is arranged on the outer wall of the blade. Through improvement for the rock breaking drill bit, primary cutting is conducted at the bottom of the drill bit to form primary rock debris, the rock debris returns to the cone under carrying flow back of a well-drilling fluid, the cone can conduct secondary breaking, the spiral blade slides in the longitudinal direction to be in surface contact with the well wall, a surface contact modeof the spiral blade is far greater than a line contact mode of a traditional straight blade, longitudinal vibration in the well-drilling process can be reduced, the rock debris generated by cutting of the drill bit flows back upwards under the action of vertical component force of the spiral face, fluid carrying the rock debris generates reactive force on the spiral blade surface, the drill bit can be pressurized, and thus the problems and deficiencies proposed in the background technology are effectively solved and overcome.

The invention relates to a pneumatic variable pitch brake system of a wind power generator. Fan blades are rotatablely installed on a wheel hub of the wind power generator by a fan blade shaft, the wheel hub is connected with a rotor shaft, one side of the rotor shaft is provided with a disc type brake, the pneumatic variable pitch brake system is arranged at the front end of the wheel hub, and comprises a synchronous disc drive mechanism, a synchronous disc and a variable pitch connecting tumbler connected with the synchronous disc, and the variable pitch connecting tumbler is connected with the fan blade shaft of the fan blades, to drive fan blade variable pitch to be braked. The pneumatic variable pitch brake system is quick in reaction and is suitable for severe environments, is hardly influenced by environment, can be used in moist, dusty, vibratory and over-cold and over-hot environments, furthermore, a drive mechanism is simple in drive, and direct in driving force, so that the failure rate is greatly reduced, and power generation security of the wind power generator is guaranteed. When the pneumatic variable pitch brake system is aerated, the wind power generator normally works, and when the pneumatic variable pitch brake system is deflated, the wind power generator is braked or the variable pitch is performed, so that the wind power generator can be controlled without the sudden interruption or deflation, the variable pitch brake system can be manfully controlled or automatically controlled by a programmable logic controller (PLC), and the manual control is matched with the automatic control, and therefore, the wind power generator is safe and stable to work.

The invention discloses a manned unmanned aerial vehicle (UAV) and a signal redundancy backup coverage system and method thereof, relating to the technical field of manned UAVs, and mainly aiming to avoid the interruption of communication between the manned UAVs and a ground control station and improve the safety of flight of the manned UAVs. The method includes the following steps: when a directcommunication link between a manned UAV and the ground control station is interrupted, sending a communication request to a backup communication ground station set in a flight space range of the manned UAV, and enabling the backup communication ground station to maintain a two-way communication connection with the ground control station; when response information corresponding to the sent communication request is received, establishing a two-way communication connection with the backup communication ground station; and after the communication connection is established, establishing a backup communication link with the ground control station through the backup communication ground station, and performing communication with the ground control station through the backup communication link until the direct communication link is restored. The scheme of the invention is applicable to the communication between the manned UAV and the ground control station.

The embodiment of the invention provides a vehicle tire blow-out treatment method, device and system, a vehicle tire blow-out detecting device and electronic equipment. According to the vehicle tire blow-out treatment method, device and system, the vehicle tire blow-out detecting device and the electronic equipment, when the situation that any tire is subjected to a tire blow-out breakdown is detected, a driving auxiliary system is started instead of directly braking a vehicle, so that it is ensured that when the tire blow-out breakdown occurs, the vehicle can be continued to run under assisting of the driving auxiliary system, the driving auxiliary system can avoid sudden loss of control of the vehicle, the rear-end accident caused by sudden braking of the vehicle is avoided, and runningsafety when the tire blow-out breakdown occurs is ensured.

The invention relates to the field of disease treatment management system. A mental disease monitoring management system comprises a registration module, a disease condition module, a first allocationmodule, a second allocation module, a group establishment module and a health check module, wherein the registration module is used for receiving account information of patient guardians, physiciansand service personnel; the disease condition module is used for receiving patient disease conditions and treating records submitted by the guardians, or the physicians or the service personnel; the physicians or the service personnel treat or serve patients according to the submitted patient disease conditions and treating records; the first allocation module is used for allocating responsible physicians to each patient; the second allocation module is used for allocating the service personnel from a consulting service library; the group establishment module is used for establishing groups among the patient guardians, the physicians and the service personnel, performing psychological treatment and rehabilitation on the patients, and recording; the health check module is used for pushing health information to the patients, and checking whether the patients are recovered according to the patient disease conditions. The mental disease monitoring management system can enhance communicationbetween the patients and the physicians, optimize resources and better monitor and treat the patients, and has a high intelligence degree and strong practicality.

An apparatus for aiding mobility of a user comprises inner and outer shafts each having a grip projecting transversely therefrom. The inner shaft is receivable in the hollow outer shaft and a locking mechanism is provided for securing the inner shaft in fixed relation to the outer shaft in a manner providing a plurality of configurations of the apparatus. Generally speaking, the configurations of the apparatus include a nested configuration in which the inner shaft is substantially entirely received in the outer shaft so as to present the grips in close proximity to one another, and an extended configuration in which the inner shaft projects along an axis of the apparatus beyond a top of the outer shaft so that the grips are in axially spaced relation. The inner and outer shafts may also be separated so that each forms a separate cane for use in one hand of the user.

A fleet operation system for an unmanned aerial vehicle (UAV) is provided. The UAV according to an embodiment of the present disclosure includes a plurality of UAVs configured to fly in a fleet according to a determined task plan; and a ground control device for a fleet operation of the plurality of UAVs. The ground control device includes a first communication unit configured to receive flight information comprising a locations from the plurality of UAVs and transmit the task plan and satellite correction information to each of the plurality of UAVs; a second communication unit configured to transmit the satellite correction information to each of the plurality of UAVs; and a central processing unit configured to generate and transmit the task plan of each of the plurality of UAVs to each of the plurality of UAVs through the first communication unit.

The invention provides a stratospheric airship and a steady-state lifting and cruising method thereof, and belongs to the technical field of aerospace. The stratospheric airship comprises a main air bag and a shape-preserving high-pressure air column arranged in the main air bag, wherein the main air bag is flat, the shape-preserving high-pressure air column is annularly arranged, the annular outer wall of the shape-preserving high-pressure air column makes contact with the inner wall of the main air bag, and the plane where the maximum diameter of the shape-preserving high-pressure air columnis located and the plane where the maximum diameter of the main air bag is located are coplanar. On the ground, helium is filled into the main air bag and the conformal high-pressure air column; a preset pressure difference is formed between the inside and the outside of the conformal high-pressure air column; the main air bag is kept in shape under the supporting effect of the shape-preserving high-pressure air column and is supported by the shape-preserving high-pressure air column in the steady-state ascending or descending process, the original shape cannot be lost, the direction is easyto control when the main air bag encounters strong air flow, the main air bag is prevented from being torn in the strong air flow, and safe ascending and descending and repeated use can be achieved. Meanwhile, helium exchange between the main air bag and the conformal high-pressure air column lays a foundation for stable cruise.

The invention discloses a clear water pump capable of preventing abnormal use. The clear water pump comprises a clear water pump main body, and further comprises a switch power supply, a first detecting circuit, a second detecting circuit and a water quality probe; a connecting pipe is arranged at the middle part of the lower end of a volute of the clear water pump main body; the switch power supply, the first detecting circuit and the second detecting circuit are mounted on a circuit board; the circuit board is mounted at the back side end in a shell of the clear water pump main body; the water quality probe is mounted in the connecting pipe at the middle part of the lower end of the volute of the clear water pump main body; and the switch power supply, the first detecting circuit, the second detecting circuit, the water quality probe and the clear water pump main body are connected by leads. Users can be prevented from using the clear water pump main body as a sewage pump, and the users can be prevented from shearing off or shortly connecting the leads for connecting the first and second detecting circuits with the water quality probe to cause lost of a control effect of the clear water pump. The damage probability of the clear water pump main body is reduced; and the better application prospect is achieved.

The invention discloses an intelligent electric pedal control system of an automobile. The intelligent electric pedal control system of the automobile is characterized in that the system comprises a circuit board, a single-chip microcomputer installed on the circuit board, a CAN transceiver and a field-effect transistor drive circuit, wherein the CAN transceiver and the field-effect transistor drive circuit are connected with the single-chip microcomputer. The single-chip microcomputer is connected with an automobile OBD interface through the CAN transceiver to obtain control signals and controls an intelligent electric pedal motor to work through the field-effect transistor drive circuit, so that an intelligent electric pedal extends out and retracts back. Compared with the prior art, anadvanced OBD interface mode (CAN bus communication) is adopted, original automobile circuits are not damaged, motor control signals are all received from an original automobile traveling computer, control is safer and more reliable, and installation and use are convenient.

The embodiment of the invention discloses a data source output method, device and system and a storage medium. The output method comprises the steps that a working position host acquires control information; the working position host and other working position hosts jointly select a target monitoring host, and the target monitoring host has the right to control the data source host; if the workingposition host is selected as the target monitoring host, the data source host is controlled according to the control information, so that the data source host outputs a corresponding data source according to the control information; and if the monitoring host is not selected as the target monitoring host, the monitoring host is used as a to-be-selected monitoring host to monitor the target monitoring host so as to select a new target monitoring host together with other to-be-selected monitoring hosts when determining that the current target monitoring host fails. The target monitoring host ofthe data source host can be replaced, so that the data source host is prevented from losing control.