45results about How to "Achieve collision avoidance" patented technology

The invention discloses a mobile base for a robot, and relates to the technical field of robot tools. The upper end of a seat body is provided with a bearing mounting plate. The rear side of the seatbody is provided with pushing wheel bodies. The front side of the seat body is provided with steering wheel bodies. The upper end of the steering wheel bodies is connected with the rotating shaft of asteering motor. The steering motor is arranged in the seat body. A buffering spring is arranged at the front end of the seat body. The front end of the buffer spring is provided with an anti-collision rubber block. A groove is arranged at the inner front side of the anti-collision rubber block. A detection sensor is arranged in the groove. A plurality of guide grooves are arranged in the middle of the lower side of the seat body. A reset spring is arranged at the inner upper end of the guide groove. The lower end of the reset spring is connected with the supporting rod of a auxiliary wheel. The supporting rod of the auxiliary wheels penetrates through the guide groove; According to the invention, the pushing and steering can be realized when using the base, and meanwhile, auxiliary walking is realized through the auxiliary wheels. The anti-collision can be realized during walking, and the safety is improved and the efficiency is high.

The invention relates to an autonomous vehicle path planning and path tracking integrated control method and system. The method comprises the steps of acquiring 5 input control variables and 11 systemstate variables of autonomous vehicles at the current moment; constructing a vehicle path planning and tracking integrated state model according to the 5 input control variables and the 11 system state variables at the current moment; respectively enveloping the contours of the two autonomous vehicles by using elliptical enveloping curves, and determining vehicle elliptical enveloping curves of the two autonomous vehicles; determining the distance collision time between the vehicles according to the vehicle elliptical envelope curves and the vehicle driving states; establishing an objective function of a model prediction controller MPC according to the vehicle path planning and tracking integrated state model; and based on the distance collision time, solving the objective function, and determining the input control variables of the MPC at the next moment. Vehicle collision avoidance can be realized, collision damage can be reduced, and autonomous switching between two targets can berealized.

The invention discloses a high-safety shock-absorbing lifting basket and relates to the technical field of buildings. A reinforcing bottom plate is installed at the bottom of a basket body. An inner protection layer is arranged on the inner side wall of the basket body. The upper end of the basket body is connected with a lifting rope, and the outer side of the lifting rope is sleeved with a sliding sleeve. A lifting ring is installed at the upper end of the sliding sleeve. A plurality of fender wheels are installed on the outer side wall of the basket body. An aseismic airbag is installed atthe inner bottom of the basket body. A scratch-proof plate is arranged on the upper surface of the aseismic airbag. A plurality of damping springs are installed at the bottom of the reinforcing bottomplate. The lower end of each damping spring is arranged in a mounting groove of a dust cover, and the outer surfaces of the damping springs are sleeved with the dust covers. The high-safety shock-absorbing lifting basket can achieve shock absorption and collision prevention, and is convenient to use, easy and convenient to operate and high in efficiency, and the service life can be prolonged.

The invention discloses a method for locomotive anticollision using an optical detection mechanism to track a steel rail track. The method comprises the following steps: using an image pickup mechanism to extract image information of calibration zones of a steel rail track and an entrance in front of a locomotive according to various characteristics of various images of tracks and barriers; performing analytic calculation and analytical judgment on information of the image pickup mechanism; and controlling the locomotive. The invention also discloses a device for locomotive anticollision using an optical detection mechanism to track a steel rail track. A far infrared or CCD detection device is used to track the calibration zones and the entrance of the steel rail track, and through determining whether images of the calibration zones and the entrance of the steel rail track are covered by the barriers, barrier early warning and barrier consist are used to issue a braking instruction to a locomotive braking system, so as to realize locomotive anticollision. The device can still detect required safety distances at night and in rainy, snowy, and foggy weather conditions, the device can operate in all weather, and provides important guarantee for traffic safety.

The invention provides a tire capable of protecting the sides. The tire capable of protecting the sides comprises a tire rim and a tire rim installation surface which is a tire side rubber surface, wherein the circumference of the tire side rubber surface is uniformly provided with a plurality of protective caps which are integrally compounded with the tire side rubber surface; the protective caps are wear-resistant rubber columns, and take the shapes of columnar pipes or conical pipes; the bottom surfaces of the wear-resistant rubber columns extend toward the circumference of the tire side rubber surface so as to cover the tire side rubber surface and are integrally compounded with the tire side rubber surface; the tire side rubber surface is integrally compounded with the wear-resistant rubber columns by flexible rubber; the pipes of the wear-resistant rubber columns are internally provided with flexible rubber frameworks which are integrally compounded with the flexible rubber; polyester rubber dipping cord fabrics are compounded outside the flexible rubber frameworks and the flexible rubber and among the wear-resistant rubber columns; the flexible rubber frameworks are internally provided with heat radiation holes. According to the invention, the protective performance of the protective caps is intensified by the combination of different rubber materials, framework materials and the polyester rubber dipping cord fabrics; the protective caps provided with heat radiation devices, so that the temperature of the protective caps is lowered, and the anti-scraping, anti-collision and heat-radiation effects of the tire are realized easily via structure change.

The invention relates to a rotor unmanned plane complex environment collision avoidance system based on combination waveforms and a signal processing method thereof, belongs to the signal processing field and solves a technical problem of rotor unmanned plane complex environment collision avoidance. The method is characterized by comprising steps that S1, for each waveform band, for IQ data acquired through an A/D, time frequency FFT transformation is carried out, and time domain data is converted into frequency data; S2, CFAR threshold detection of a complex modulus value of each waveform band after FFT transformation is carried out, the overthreshold point position is outputted, corresponding frequency values are calculated according to overthreshold points, frequency matrixes of the corresponding points are acquired, phase values corresponding to the overthreshold points of a constant frequency band are further calculated, and the phase matrixes of the corresponding points are acquired; and S3, for constant frequency waves, the speed matrix is acquired through calculation; for triangular waves, matching of an upper frequency sweep frequency matrix and a lower frequency sweep frequency matrix is carried out to calculate the distance and the speed, and the distance matrix and the speed matrix are acquired.

The invention relates to an unmanned automobile complex environment collision avoidance radar system based on combination waveforms and a signal processing method, belongs to the radar signal processing field and solves an unmanned automobile complex environment collision avoidance problem. The method is characterized by comprising steps that S1, for each waveform band, for IQ data acquired through an A/D, time frequency FFT transformation is carried out, and time domain data is converted into frequency data; S2, CFAR threshold detection of a complex modulus value of each waveform band after FFT transformation is carried out, the overthreshold point position is outputted, corresponding frequency values are calculated according to overthreshold points, frequency matrixes of the corresponding points are acquired, phase values corresponding to the overthreshold points of a constant frequency band are further calculated, and the phase matrixes of the corresponding points are acquired; andS3, for constant frequency waves, the speed matrix is acquired through calculation; for triangular waves, matching of an upper frequency sweep frequency matrix and a lower frequency sweep frequency matrix is carried out to calculate the distance and the speed, and the distance matrix and the speed matrix are acquired.

The invention discloses an anti-collision warning device for building machinery, and relates to the technical field of the building machinery. Mounting plates are mounted on the upper and lower sidesof a rear end of a base, an anti-collision plate is arranged on the front side of the base, guide rods are mounted at four corners of an inner edge of the anti-collision plate, the guide rods are inserted into a guide sleeve mounted at a front end in the base, reset springs are sleeved on the front sides of the guide rods, limiting plates are mounted on the rear ends the guide rods, a storage battery is mounted in the base, a first contact piece and a second contact piece are respectively mounted on a front side wall of the base and a rear side wall of the anti-collision plate, the first contact piece corresponds to the second contact piece, the first contact piece is connected with the positive electrode of the storage battery through a conducting wire, the second contact piece is connected with the positive electrode of an alarm through a conducting wire, the negative electrode of the alarm is connected with the negative electrode of the storage battery through a conducting wire, andthe alarm is mounted on the upper end of the base. When the anti-collision warning device disclosed by the invention is used, fast mounting can be achieved, anti-collision and alarm can be achieved,the stability is high, and the operation is simple and convenient; and the time can be saved, and the safety is improved.

The invention relates to the technical field of milling machines, and discloses a full-automatic numerical control double-end milling machine with an adjustable and controllable tool bit angle. The full-automatic numerical control double-end milling machine comprises a bottom plate, wherein lifting devices are fixedly arranged at the end parts of the upper part of the bottom plate; mounting blocksare fixedly arranged at the upper parts of the lifting devices; sliding rails are arranged inside the mounting blocks; the sliding rails and sliding blocks are movably arranged; threaded rods II aremovably arranged in the middles of the sliding blocks; and one of the ends of the threaded rods II is movably arranged on the inner wall of the corresponding sliding rail, and the other one of the ends of the threaded rods II is fixedly connected with a hand wheel II. According to the full-automatic numerical control double-end milling machine with the adjustable and controllable tool bit angle, milling cutters are fixedly arranged at the two ends of the upper part of the bottom plate, the milling cutters are matched with a gear I, a connecting frame, a spiral shaft, a rotating ring I, a motorII and the like, so that the milling cutters can swing up and down and left and right, multi-angle adjustment of the milling cutters is facilitated, and then a workpiece on the upper part of a workbench can be conveniently subjected to angle machining.

The embodiment of the invention discloses an AGV real-time path planning and anti-collision method and system, and the method comprises the steps: carrying out the planning of an AGV walking road according to the structure of a grid-type loading area, and obtaining a planning road network; and according to a preset traffic rule, real-time picking path planning is carried out on the AGV in the road network according to the order, and real-time anti-collision protection is carried out on the AGV in the walking process. By introducing the road network concept and the traffic rule, path calculation and anti-collision calculation are simplified, the calculation workload is reduced, the efficiency is improved, AGV anti-collision is more efficiently achieved through real-time anti-collision calculation, AGV navigation for carrying out grid type multi-point picking according to orders is truly achieved, and meanwhile simultaneous parallel operation of a large number of AGVs is supported.

The invention relates to a background wall soft package structure with a batten. The background wall soft package structure with the batten comprises a back plate, a spongy layer, a fabric layer and an H shaped aluminum strip, wherein the H shaped aluminum strip consists of an H shaped aluminum strip inner frame and an H shaped aluminum strip outer frame, the back plate is fixed and clamped by the H shaped aluminum strip inner frame, a fastening glue adhesive tape is arranged on the H shaped aluminum strip outer frame, and the spongy layer is filled between the fabric layer and the H shaped aluminum strip. Magic tapes are respectively arranged on the outer edge of the H shaped aluminum strip and the back of the back plate. The H shaped aluminum strip includes an inner part and an outer part, the inner part of the aluminum strip clamps a flat plate, and the outer part of the aluminum strip fastens the fabrics through the adhesive tape. Due to the fact that nails are not used, fabrics in the outer layer are convenient to detach at any time, and convenient to dismantle and replace. Due to the fact that the magic tapes are arranged on the aluminum strip and the back plate, a soft package can be detach, replaced and cleaned randomly. The magic tapes are pasted with glue.

The invention relates to a 3D scanning vehicle crashproof and alarming device based on line laser comprising an information acquiring module, a stepping motor, a vehicle-mounted processing module, an information storage module and a human-machine interaction module. The stepping motor provides driving power to the information acquiring module; a signal of the information acquiring module is transmitted to the information storage module; the vehicle-mounted module receives signals of the information acquiring module, the information storage module, the stepping motor and the human-machine interaction module; the vehicle-mounted processing module outputs an executing module to the stepping motor, and transmits an image processing result to the human-machine interaction module. By the use of the information acquiring module and the stepping motor, a 3D image is formed for a barrier; and an audile alarm is provided before a danger distance, so crash resistance and alarming can be achieved for a vehicle.

The invention relates to a sentry box, in particular to a novel tactical sentry box which can be quickly constructed and has the functions of temperature insulation, collision prevention and solar energy and wind energy power generation. The sentry box includes a base, a side wall, base counterweight blocks and a top part. The top part is arranged above the side wall. The side wall is arranged onthe base. The base adopts a steel plate with a thickness of centimeters. The base is square and provided with base counterweight blocks at the four vertex angles. The outer wall of the side wall is provided with an anti-collision beam and also includes a stiffener. One side of the stiffener is connected with the base, the other end is connected with the anti-collision beam on the side wall. The side wall includes concrete layer one, a hollow slab layer and concrete layer two. The concrete layer one, FRP hollow slab layer and the concrete layer two are compounded sequentially; the sentry box also comprises a storage battery bin, a connecting column, a top plate, a solar power generation plate, a fan blade, a generator, a lighting device, an insect-expelling lamp and a storage battery. Thestorage battery bin is arranged at the bottom of the base. The upper part of the top part is provided with a connecting column. The top of the connecting column is provided with a top plate.

The invention discloses a gate anti-collision prompting system and method. The gate anti-collision prompting system comprises an image acquisition device, a projection display device and a central processing device, wherein the image acquisition device is arranged on an outer side of a gate, and used for acquiring image information on the outer side of the gate; the projection display device is arranged on an inner side of the gate, and used for displaying the image information in a projecting way; and the central processing device is coupled with the image acquisition device and the projection display device, and used for controlling image acquisition of the image acquisition device, receiving the image information from the image acquisition device, transmitting the image information to the projection display device, and controlling projection display of the projection display device. The invention also discloses a method for giving a gate anti-collision prompt by the gate anti-collision prompting system. Through the system and the method, the situation of personnel outside the gate can be recognized accurately and rapidly; a visual large screen prompt is given; and anti-collision and security and protection monitoring effects are achieved.

The invention discloses an anti-collision and anti-explosion intelligent storage device for transporting chemicals, and belongs to the technical field of storage, the storage device for the chemicals comprises a protection box and a storage tank, the storage tank is placed in the protection box, the storage tank is installed in the protection box in a suspended mode, and the storage tank drives a speed brake to move between two buffer magnets; the speed reducing plate cuts magnetic induction lines to generate eddy current and hinder movement of the speed reducing plate, so that speed reduction of the bearing plate is achieved, and damping and buffering of the storage tank are achieved; when the internal temperature of the protection box rises and the magnetic force of the buffer magnet becomes weak, the change of the diameter of the outer ring of the coil spring is accelerated, the detection rod detects the change of the diameter of the outer ring of the coil spring, and the control system analyzes the detection data and adaptively regulates and controls the internal temperature of the protection box according to the analyzed result. Intelligent and automatic temperature control is realized; and through detection of the detection rod, the state of the storage tank is reflected, a driver can conveniently adjust the transportation speed, and the user experience is improved.