32results about How to "Manipulative" patented technology

An air-propelled amphibious tidal land ship comprises a ship body and an air propeller power device on a deck of the ship body. A bow part of the ship body is provided with a V-shaped pointed type single ship bow, the rear portion of the bow part is connected with two longitudinal single bodies through a transition ship section to form the ship body, the two single bodies are spaced in the transverse direction and are connected through an upper connection bridge, the two single bodies, the connection bridge and the transition ship section form a longitudinal hovering channel, the bottom and the tail portion of the hovering channel are both provided with an opening, and a movable door is arranged on the opening in the tail portion of the hovering channel. A current collection pit is arranged right behind the air propeller power device, the side, towards an air propeller, of the current collection pit is provided with an opening, and the area of the opening of the current collection pit and the area in the rotation diameter of the air propeller are overlapped. The connection bridge is provided with a closed drainage air channel, the air outlet of the current collection pit is communicated with the drainage air channel, and the communication portion of the air outlet and the current collection pit is sealed. The drainage air channel is provided with an air outlet hole communicated with the hovering channel. According to the ship, the propelling and hovering functions can be achieved through the air propeller, and amphibious applicability of the tidal land ship is effectively improved.

The present invention relates to the technical field of robots, more specifically, amphibious robots in the water, land and air. The water and land walking device includes a connecting seat, a motor I, a swivel seat, a motor II and a runner. The motor I is installed on the connecting seat, and the swivel seat is fixedly connected to the motor. On the output shaft of I, the motor II is fixedly connected to the turntable, and the runner is connected to the output shaft of the motor II. One end of the swing rod is sleeved on the gear rod, the other end of the swing rod is fixedly connected with the connecting seat, the top of the rotating shaft is connected with a rotor, and the rotating shaft is movably connected with the top of the robot main body. The amphibious robot can flexibly navigate in three different situations of water, land and air. It has the characteristics of easy turning and moving on land, flexible driving in water, and flying in all directions in the air. It has strong maneuverability and is suitable for military survey or civilian monitoring. , has a wide application value and prospect.

The invention belongs to the field of electric vehicles, in particular to an integrated chassis control method of a four-wheel drive electric vehicle. The present invention utilizes the distributed drive electric vehicle dynamics model, that is, the fourteen-degree-of-freedom vehicle handling model, the UniTire tire model, the motor control model, and the driver model to design the vehicle state and parameter online estimation system, the center of mass side slip angle observer, and the stability judgment System, integrated coordinated chassis control model, model predictive control, multi-step center correction interior point optimization algorithm considering constraints; by analyzing the two-degree-of-freedom vehicle model, an off-line optimization system that obtains the reference state trajectory and reference expected control variables. The invention combines two control methods of active front wheel steering and direct yaw moment control, and improves the handling stability of the vehicle by optimizing the control structure of the vehicle chassis, rationally designing the integrated chassis control algorithm and optimizing the torque distribution of the dispatching motor.

The invention discloses a track inspection method and system based on a wireless charging unmanned aerial vehicle. The steps of the method are: the unmanned aerial vehicle conducts inspection according to the set inspection route; transmits the shooting data to the ground control system; Capture data for track image recognition; monitor the remaining battery power of the drone, and calculate whether it can fly to the nearest charging pile; after the drone reaches the charging pile, the collected image is transmitted to the ground control system for landing beacon Image recognition, detect the position of the landing beacon in the image, calculate the relative position of the drone and the landing beacon, adjust the position of the drone, measure the vertical distance from the ultrasonic ranging module to the landing beacon, and land the drone; Perform wireless charging with the charging pile; after the drone is fully charged, disconnect from the charging pile and continue the inspection. The invention detects the fault point of the track in time and efficiently, reduces the accident occurrence rate of the track traffic, and improves the safety of the tram running on the track.

A ship with an air propeller for propelling and hovering a ship body comprises the ship body and an air propeller power device installed on a deck of the ship body. A flow collecting nest is arranged right behind the air propeller power device. The side, facing the air propeller in the air propeller power device, of the flow collecting nest is open, and the opening area of the flow collecting nest overlaps the rotation diameter internal area of the air propeller in the air propeller power device. The part, below the deck, of the ship body is provided with a sealed flow guide air passage, the bottom of the ship body is provided with a hovering channel, the bottom and the tail of the hovering channel are open, and the tail opening of the hovering channel is provided with a movable door capable of being opened and closed. An air outlet of the flow collecting nest communicates with the flow guide air passage, the communicating positions of the air outlet of the flow collecting nest and the flow guide air passage are connected in a sealed mode, and the flow guide air passage is provided with an air outlet hole communicating with the hovering channel. According to the ship with the air propeller for propelling and hovering the ship body, the functions of propelling and hovering can be achieved by means of the air propeller, development of small hovercraft is facilitated, and the amphibious applicability of the ship is improved by adjusting the hovering function.

The invention discloses a rearview mirror simulation method for a vehicle driving simulation system. The method comprises the following steps: firstly, obtaining specific position and coordinate of a vehicle according to vehicle motion, capturing a rearview mirror scene by a rearview mirror camera to obtain a rearview mirror top point coordinate required to be drawn, connecting top points in sequence to form a rearview mirror surface which is rearview mirror texture, and finally pasting the rearview mirror texture onto a rearview mirror model; during driving simulation, pre-binding initial texture, replacing old texture with new texture in real time through a created pointer function, and finally finishing simulation of a whole rearview mirror. According to the method, the rearview mirror effect is creatively displayed on a vehicle model in a three-dimension manner, so that the trouble caused by occupation of main view angle can be avoided, the refresh rate of the system can be reduced, and the vividness of whole driving simulation can be improved; the method has good commercial values.

The invention discloses a steering system and a vehicle. The steering system comprises a front transverse pull rod connected with a front wheel, a front steering gear connected with the front transverse pull rod, a front assistance module, a rear transverse pull rod connected with a rear wheel, a rear steering gear connected with the rear transverse pull rod and a rear assistance module, wherein the front assistance module is installed on the front transverse pull rod and arranged to selectively provide transverse assistance and longitudinal assistance, and the rear assistance module is installed on the rear steering gear and arranged to selectively provide transverse assistance and longitudinal assistance. According to the steering system, the two-degree-of-freedom assistance modules areintegrated on the front steering gear and the rear steering gear respectively, various steering modes including steering in place and four-wheel steering can be achieved, the distance between the front assistance module and the wheels and the distance between the rear assistance module and the wheels are small, and a control instruction is rapidly and accurately controlled to make response, and the operability is higher.

The invention discloses a detachable split type bone rongeur, which comprises a fixed handle (1), a movable handle (2), a rongeur body (3) and a cutting rongeur rod (6), wherein the fixed handle (1) and the rongeur body (3) are an integrated structure; the movable handle (2) and the fixed handle (1) are movably connected by a rotating shaft (4); the upper part of the movable handle (2) is located inside the rongeur body (3); a push rod (5) is arranged at the top of the movable handle (2); and one end of the cutting rongeur rod (6) is arranged inside the rongeur body (3). The detachable split type bone rongeur can quickly separate out and cut angular bones and irregular ligaments, solves the problem that the traditional cutting forceps are not smooth in cutting and separating, can be disassembled, is low in the manufacturing cost, and can solve the light reflecting problem of the traditional cutting forceps rods.

The invention discloses a guided and closed annular wind tunnel which is provided with an annular chamber with an oval tube structure. The tube wall of the annular chamber is provided with a pluralityof air exhaust openings, air injection openings and sealed hatch doors, wherein a plurality of pairs of air-guide tubes and air-return tubes, communicated with the annular chamber, are arranged correspondingly and tangentially on two side walls of arc-shaped tube walls at both ends of the oval annular chambers in major axis. The other end of each pair of air-guide tube and air-return tube is connected with a three-way body. Every two adjacent three-way bodies, connected with the air-guide tube and the air-return tube, are connected with a power guide device. The air-guide tubes are arranged on the annular chamber in the same direction as the set airflow direction; the air-return tubes are arranged on the annular chamber in a direction opposite to the set airflow direction. The wind tunnelhas simple structure, can obtain continuous accelerating force, provide a plurality of modes simulating the flow velocity, flow line, flow volume, heat and pressure of actual flow fields, and is notlimited in the experiment period. The invention has relatively high efficiency, energy conservation and environmental protection.

The invention relates to an SNCR-SCR combined flue gas denitrification system, which comprises a horizontal flue channel, a main flue channel connected to the horizontal flue channel, and a chimney connected to the outlet of the main flue channel, wherein an ammonia spraying grid is arranged in the horizontal flue channel, and a SCR reaction device is arranged in the main flue channel. The SNCR-SCR combined flue gas denitrification system is characterized in that the system further comprises a flue gas returning device arranged between the main flue channel and the chimney and used for selectively returning the flue gas outflowing from the main flue channel to the horizontal flue channel. The SNCR-SCR combined flue gas denitrification system of the present invention has effects of flue gas flow direction adjusting, denitrification efficiency improving, and nitrogen oxide emission reducing.