38results about How to "No risk of collision" patented technology

The invention discloses a route planning method and device for an unmanned aerial vehicle, and electronic equipment, and relates to the technical field of unmanned aerial vehicles. When multi-machinetasks are executed, the collision risk of the unmanned aerial vehicle can be reduced and the working efficiency of the unmanned aerial vehicle can be improved. The method comprises the following stepsof acquiring land parcel information of a to-be-operated land parcel and position information of a current take-off point of the unmanned aerial vehicle; analyzing the land parcel information to obtain track point attribute information; dividing a task needing to be executed in the to-be-operated land parcel of the unmanned aerial vehicle into at least one subtask according to the track point attribute information, the position information of the take-off point and the flight mileage of one flight of the unmanned aerial vehicle at the current electric quantity; and respectively planning routeinformation of the unmanned aerial vehicle for executing each subtask to come and go the to-be-operated land parcel correspondingly according to the position information of the take-off point. The route planning method and device for the unmanned aerial vehicle, and the electronic equipment are suitable for route planning of the unmanned aerial vehicle.

An irradiation device provides a free volume around the longitudinal axis of the body ( 13 ) around the body to be irradiated. The supporting parts of a gantry ( 1, 2 ) are situated substantially radially with respect to the longitudinal axis. The gantry includes an inner gantry part ( 1 ) with at least two supporting locations (S) to an outer gantry portion ( 2 ).The support locations (S) are situated at each side of a treatment volume ( 12 ). A radiation head ( 8 ), mechanically attached to the inner gantry part ( 1 ) and arranged to direct radiation to the treatment volume ( 12 ) is movable around the treatment volume ( 12 ). In preferred embodiments, the parts ( 20, 21, 22, 23 ) of the gantry are formed as rings, leaving a free space along the rotational axis ( 9 ). A body-supporting couch ( 10 ) is arranged along the rotational axis extending through the hollow parts ( 20, 21, 22, 23 ). The radiation head ( 8 ) is preferably movable in a path also perpendicular to the rotation axis ( 9 ).

The invention provides a downdraft range hood integrated with an induction cooker. The downdraft range hood comprises an induction cooker part, a tabletop air inlet part, a smoke collecting and filtering part and a suction smoke pipe part, the induction cooker part comprises a tabletop-type shell and the induction cooker, wherein the tabletop-type shell is provided with a mounting opening, the tabletop air inlet part comprises a tabletop air inlet grid seat and a tabletop air inlet grid, the smoke collecting and filtering part comprises an air collecting box, a water collecting tank, an oil filter screen, a carbon box and an air outlet, and the suction smoke pipe part comprises a connecting smoke pipe, a fan and a public flue connecting pipe. Due to the fact that the induction cooker and the range hood are integrated together and are arranged in a kitchen cabinet, and the range hood is in a downdraft mode and is used for sucking oil smoke through the mounting opening of the induction cooker part, so that the smoke suction effect is good, the occupied kitchen space is saved, the collision risk is avoided, and the kitchen space is greatly optimized and beautified; and non-renewable energy sources such as natural gas can be replaced by electric energy which belongs to renewable energy sources, so that energy conservation is realized.

The invention discloses a running type underwater drilling template of a drilling ship in a marginal oil-gas field, which comprises a main body framework and an accessory of the drilling template, wherein the main body framework is a rectangular framework body consisting of horizontal rods and vertical rods which are fixed together; the main body framework is provided with a vertical well hole sleeve two sides of which are fixed with pile pipe sleeves; and slanting knightheads are arranged in the rectangular frameworks which are formed between the horizontal rods and between the horizontal rods and the vertical rods. A method for manufacturing and mounting the underwater drilling template comprises the following steps: (1) manufacturing the underwater drilling template from both the upper part and the lower part simultaneously, and then welding the upper part and the lower part together; and (2) using a hoisting device to be connected with a cutting sleeve device on the top of the underwater drilling template and a lifting lug so as to hoist the underwater drilling template into water, wherein the convergence points of a hoisting rope in the hoisting device after the hoisting rope is straightened up are always positioned on the plumb line of the underwater drilling template so that the underwater drilling template is always kept in a horizontal state to get to the preset place on the sea floor. The underwater drilling template has the advantages of stable structure, reasonable stress, and lightened weight; the method for manufacturing the underwater drilling template can shorten the construction period; and the method for mounting the underwater drilling template is safe, smooth and convenient, requires fewer resources, and has low cost.

An apparatus for forming shaped bodies from a thermoplastic film has a stationary support, a downwardly directed upper tool fixed on the support, means for feeding the film in a transport direction in steps underneath the upper tool, a lower shaft pivotal in support below the traverse, a frame carried on the shaft and pivotal therewith about an axis of the shaft, an upwardly directed lower tool shiftable on the frame toward and away from the axis, a pair of arms extending radially from the shaft, a link extending between one of the arms and the lower tool, and a crank drive element. A connecting rod extends between the other of the arms and the crank drive element. A stationary cam adjacent the frame has a nonstraight cam formation, and a cam follower on the tool engages the cam formation. A drive rotates the crank drive element.

The invention relates to an autonomous formation flight control method for networking satellites, in particular to an autonomous formation flight control method for networking satellites in batch at the initial orbit injection stage, which is suitable for formation flight of networking satellites in batch at the initial orbit injection stage. According to the method, a GPS+GNSS+laser radar fusionpositioning scheme is adopted, and absolute orbit determination and relative collision safety determination are achieved; and a decentralized regional self-organized communication network is adopted for information exchange, and self-organized initial orbit correction and mutual orbit phase adjustment are achieved through a networking satellite cluster formation control algorithm based on artificial intelligence. Due to the adoption of the technical scheme, the control method disclosed by the invention can ensure that the dense satellite groups are not collided at the initial stage of orbit injection. The star group automatically corrects the initial orbit deviation and gets close to the standard orbit. Self-organized orbit phase adjustment is carried out to change into a sequential and ordered flight queue, so that ground measurement and control tracking control is facilitated.

The invention discloses a quasi-static test method of a dynamic index of a gravity unloading device. The method includes the following steps of firstly, calculating a transfer function matrix; secondly, dividing the structure of a gravity unloading control system, and reserving a signal port w; thirdly, calculating H(s); fourthly, discretizing the H(2) to obtain H(z), compiling a program, obtaining the H(z), and assigning the H(z) to uc; fifthly, compiling a test signal generator with an input function di; sixthly, connecting with the gravity unloading device for testing; seventhly, setting vto be equal to 0, setting a parameter tensile force instruction r to be working tensile force, and making the gravity unloading device enter a force constant working state; eighthly, sending out an instruction and exciting the system to operate; ninthly, processing data to obtain a to-be-estimated system performance index; tenthly, evaluating errors. No special movement generating device is used,and the dynamic index can be tested under the quasi-static conditions.

The invention discloses a robot TCP calibration system based on vertical reflection. A binocular vision system, a robot and an operation tool are combined for operation, a plane mirror serves as an auxiliary tool, the robot kinematics and space coordinate conversion relation is utilized for conducting repeated measurement on space fixed points, the hand and eye relation is determined, the tail endcircular target point of the operation tool is detected, and through the coordinate conversion relation and the plane mirror imaging symmetry characteristic, TCP calibration is finished. According tothe TCP calibration system, the system is different from a contact type calibration system, collision risks do not exist, and the safety coefficient is high.

The invention provides an intelligent rail car merging point scheduling method and an intelligent rail control system. The intelligent rail car merging point scheduling method comprises the followingscheduling steps that 1, a first merging point controller receives application information sent by a rail car on a controlled rail, whereinthe rail car is arranged on a rail controlled by the first merging point controller, the application information comprises request information that the rail car requests to pass through a first merging point, a rail number of the rail car and request time for sending the application information by the rail car; 2, the first merging point controller makes a rail scheduling strategy according to the received application information of the rail car; and 3, thefirst merging point controller controls the rail car to pass through the first merging point according to the scheduling strategy. According to the intelligent rail car merging point scheduling method and system, the rail car can be ensured to safely pass through the merging point under any condition.

The invention discloses a full-automatic cover film laminating device for a flexible circuit board, which comprises a workbench, a cabinet and an outer cover. The workbench is provided with a cover film rolling-out and rolling-up mechanism, a film stripping mechanism, a cover film transferring mechanism, a film laminating mechanism, a copper substrate feeding mechanism, a product transferring mechanism, a product discharging mechanism and a visual positioning assembly, the covering film rolling-out and rolling-up mechanism is used for guiding a covering film onto the film stripping mechanism and rolling and collecting stripped release paper, the film stripping mechanism is used for separating the covering film from the release paper below the covering film, and the covering film transferring mechanism is used for sucking, rotating and transferring the covering film and attaching the covering film to a copper substrate. The product transferring mechanism is used for transferring the copper substrate to the pasting table and transferring the pasted product to the product discharging mechanism. The visual positioning assemblies comprise the first visual positioning assembly and the second visual positioning assembly. The device has the advantages that the working efficiency can be improved, the equipment failure rate can be reduced, centralized operation can be achieved, operation is easy, and the service life is long.

The invention provides an intelligent transportation control method of an underground locomotive for mine. The method comprises the following steps of: dividing control sections of an underground transportation line, wherein a locomotive operates in each control section; and the control sections include a mine dumping section, a mine loading section and a transportation section; detecting the control section in which the current locomotive is; and controlling the speed and the operation state of the locomotive according to the control section in which the current locomotive is. According to the method disclosed by the invention, the operation of the locomotive is controlled by detecting the control section of the underground transportation line in which the current locomotive is; the method can ensure that a plurality of locomotives can simultaneously operate on one transportation line; the transportation efficiency is increased; simultaneously, the safety operation of the plurality of locomotives can be ensured; and the risks, such as traffic collision and the like, can be avoided.

The invention discloses a space attack and defense method based on the solar eclipse effect, which is used for performing shielding control on sunlight received by a target spacecraft, and comprises the following steps: determining spot hover orbit configurations of a task spacecraft and the target spacecraft; calculating an ideal relative position of the task spacecraft and the target spacecraft based on the fixed-point hover orbit configuration according to the operation orbit of the target spacecraft and the sun position, and controlling the task spacecraft to maneuver to the ideal relative position so as to form a solar eclipse effect on the target spacecraft; calculating and updating the ideal relative position of the task spacecraft and the target spacecraft at a preset time interval, and judging whether the actual relative position of the task spacecraft and the target spacecraft is within the range of a preset trajectory tracking error ball of the ideal relative position or not; and if not, controlling the task spacecraft to maneuver to the ideal relative position at the corresponding moment. According to the method, normal work of the target spacecraft can be interfered, irreversible damage to the target spacecraft cannot be caused, the concealment is high, and the collision risk does not exist.

The invention relates to a method and a spinning machine for inserting a false twist into a thread (7), wherein a thread running plane (20) is formed by the course of the thread (7) directly through adrafting device (3) to a large extent in plan view up to the spinning machine and the thread (7) exits the drafting device (3) at an output clamping point (6) formed by an upper roller (4) and/or a lower roller (5). The thread (7) is operated between the output clamping position (6) and the spinning position by means of a roller (8) which rotates about an axis of rotation (15) that is oblique tothe thread running plane (20). The thread (7) is rotated about its longitudinal axis at the same time and a first false twist is inserted into the thread (7). The thread (7) is moved laterally out ofthe thread running plane (20) by means of the roller (8), and the thread (7) is brought into contact with the upper roller (4) and/or the lower roller (5) after the output clamping position (6) in such a way that the upper roller (4) and/or the lower roller (5) inserts a second false twist into the thread (7). The device for inserting a false twist into a thread (7) on a spinning machine comprisesa device support (21) for fastening a roller to the structure of the spinning machine.

The invention relates to a cabin type ray irradiation device and method. According to a specific embodiment in the invention, the ray irradiation device comprises: a frame, which has a hollow frame structure, wherein a hollow portion of the frame structure forms a treatment cabin; a first guide rail, which is fixedly arranged on the rack; a ray therapy head, which is slidably arranged on the firstguide rail; and a cabin door, which is arranged on the frame in an openable and closable manner. The ray irradiation device can be used for carrying out ray therapy on a patient in a standing or sitting posture; the accuracy of a treatment position is ensured by utilizing an image guide technology, high-focusing irradiation of rays is realized by utilizing a (non-) coplanar radiotherapy technology; and meanwhile, the ray irradiation device has a self-shielding function, so the construction difficulty and the construction cost of a ray room can be reduced.