Method of orientation by laser beam

FIELD: transportation.

SUBSTANCE: invention relates to orientation during vehicles movement. Method of orienting by laser beam comprises fact, that generating laser beam elongated cross section with large and small axes lengths ratio of 2…5, turning laser beam about its lengthwise axis until establishing beam cross-section larger axis in plane, passing through beam longitudinal axis and specified path, and directing laser beam towards vehicle in parallel or at small angle to preset travel path. Vehicle deviation from preset travel path is determined according to laser beam position and additionally determining deviation value by increasing of laser beam lateral dimension.

EFFECT: technical result consists in increasing of visual orientation informativity.

1 cl, 3 dwg

 



 

Same patents:

FIELD: physics, video.

SUBSTANCE: invention relates to generation of simulated video. The method includes installing a plurality of cameras in different directions in a location to record images of vehicles from different angles which are indexed; receiving source video input from a single-direction camera; generating a stream of video fragments of vehicles; correlating the vehicles in the video fragments with the corresponding stored images of vehicles using a sliding window with normalised cross correlation; retrieving images at another angle which correspond to the stored images of vehicles; merging the retrieved images into simulated video which displays vehicles moving in a different direction; generating simulated video with a different frame frequency than the frame frequency of the input source video to reduce blur and dimness of the input source video and rendering the simulated video.

EFFECT: obtaining simulated traffic video having high frame frequency, high resolution and multiple views by processing video from single-direction cameras having a low frame frequency and low resolution.

14 cl, 7 dwg

Pedestrian crossing // 2541589

FIELD: transport.

SUBSTANCE: unregulated pedestrian crossing consists of pedestrian path on traffic way of motor road which pedestrian path is marked at edges on sidewalks by road signs. On their pillars, video cameras are installed combined with device for vehicle speed measurement. The video cameras are oriented towards oncoming transport. The video cameras monitor vehicle presence on a road, and vehicle speed measurement device fixes vehicle speed at a distance of 100 and 50 meters from nearest edge of pedestrian crossing. At these distances additional lines of road marking are drawn, and additional informative signs are installed. When traffic regulations violations by vehicle drivers are fixed the vehicle forced stopping device is actuated. This stopping device is located at 5 meters before nearest edge of pedestrian crossing. At the moment of proposed device actuation, headlamp light is reflected by light-reflective coating of suddenly appearing obstacle thus attracting driver's attention.

EFFECT: lower accident rate on unregulated pedestrian crossings.

4 dwg

FIELD: physics; control.

SUBSTANCE: group of inventions relates to traffic control devices in order to record or control movement using vehicle identification. The induction system for detecting and identifying vehicles comprises electronic identification means with electronic memory a reader for reading and/or recording information from the electronic identification means in the HF frequency range, mounted on the vehicles. The electronic vehicle identification means are in form of a resonator embedded in the vehicle registration number plate. The resonator has a multi-loop frame and a microchip connected thereto, said microchip being powered by electric current induced in the resonator by an external alternating magnetic field and having non-volatile memory. The reader is equipped with a magnetic frame mounted in a dielectric housing under the road surface at a depth of 1 m, which enables to form an alternating magnetic field around it, which makes up the coverage area of the magnetic frame.

EFFECT: simplifying the system to a single-range system, avoiding the need to build structures above or on the side of the road surface for mounting antennae, and providing reliable and safe operation of the system.

53 cl, 6 dwg

FIELD: radio engineering, communication.

SUBSTANCE: device has a microphone (1), a preamplifier (2), an analogue-to-digital converter (3), a time slot generator (4), a signal spectral representation unit (7), a low-pass filter (5), a unit (6) for estimating change in signal level within a time slot, a maximum determining unit (8), a frequency correction unit (9), a threshold calculating unit (10), a first threshold device (11), a second threshold device (12) and an AND circuit (13).

EFFECT: high efficiency of the device.

6 dwg

FIELD: transport.

SUBSTANCE: proposed method comprises seven main steps: (1) correction of radial distortion, (2) detection of entries and/or departures, (3) determination of vehicle height, (4) detection of vehicle wheel axles, (5) pre-calculation of vehicles axles' number, (6) filtration of pre-calculation results (statistical processing), and (7) final calculation of vehicles axles' number.

EFFECT: high-accuracy, absolutely independent multi-criterion classification of vehicles.

9 cl, 16 dwg

FIELD: physics.

SUBSTANCE: group of inventions relates to systems for monitoring vehicle traffic. In the method of identifying vehicles and detecting wanted cars, when vehicles pass through checkpoints, signal codes received at the checkpoints are compared with codes of wanted vehicles and a decision to impound the vehicle is made based on the comparison results. Vehicles are fitted with transponders which match the number plate of the vehicle. Checkpoints are fitted with scanners. An apparatus which realises the method has at a checkpoint an ultrasonic transmitter, a radio signal transmitter, a radiation receiver and a decoding unit. The vehicles have transponders in form of a piezoelectric crystal whose surface is coated with two aluminium thin-film interdigital transducers whose structure corresponds to the number plate of the vehicle in radio- and ultrasonic bands, and a common set of reflectors, wherein each transducer has a comb-type system of electrodes connected to each other by lines which are connected to a common microstrip transceiving antenna, also deposited on the surface of the piezoelectric crystal.

EFFECT: high efficiency of identifying vehicles.

2 cl, 2 dwg

FIELD: video-surveillance devices.

SUBSTANCE: invention relates to the video-surveillance devices and can be applied for twenty-for-hour control of the traffic condition on traffic-intersections; video cameras are located on traffic intersections and the received information from the video cameras via the data transmitting system is transferred to the central panel of reception, registration, recording, and processing of the received data; at the central panel the video cameras data is processed and transferred to the control room of the live broadcasting studio wherein by means of a set of equipment for analysis and processing the data received from the central panel is formed by means of multiplexing or squaring and then displayed on the screen for the target user; at that there can be applied any of the existing systems for transferring the processed data to the target user, for example, the system of television cables with its help the online video-picture is transmitted from the video cameras located at traffic intersections; the online data received from the video surveillance units is displayed on the screen of the monitor of the target user and each window of the information displayed on the screen is accompanied with a titer denoting the location spot of the information source and/or any sign on the site-map.

EFFECT: invention enhances the efficiency of the video surveillance of traffic intersections.

2 cl, 2 dwg.

FIELD: information technology.

SUBSTANCE: design of the system is based on an inspection method in which the zone of an object not to be exposed is defined, as well as a novel method of generating a numerical matrix of a shadow image and forming a shadow image, which enables to take into account non-uniformity of movement of an object during radiation scanning.

EFFECT: high speed of operation and carrying capacity of the system, high security, reliability and accuracy of inspecting objects.

12 cl, 5 dwg

FIELD: physics; transportation.

SUBSTANCE: device for fast formation of an image and control of a mobile object consists of a passage of the mobile object, moving through it, a device for analysing and forming an image, emitting a radiation beam to the mobile object, moving through the passage, and detection of the radiation from the mobile object so as to form its image for control. There is an evaluator, meant for determining whether the mobile object has entered the passage or not, and for recording entrance of the mobile object into the passage, and a second evaluator, meant for determining the speed of the mobile object in the passage. The control unit is meant for controlling the second evaluator, so as to determine the speed of the mobile object based on the detected signal from the first evaluator, indicating that, the mobile object entered the passage, and for controlling the analysing device and formation of an image, so as to generate a radiation beam for controlling the mobile object with frequency corresponding the speed of the mobile object, based on the result from the second evaluator. The method of controlling a mobile object with fast formation of its image consists of operations of determining whether the mobile object has entered the passage or not, determination of the speed of the mobile object through the passage, and transmitting a beam of radiation with frequency corresponding to the speed of the mobile object. The mobile object is controlled, based on the radiation beam, coming from it.

EFFECT: shorter duration of controlling mobile objects and protection of the operator from radiation.

18 cl, 3 dwg

FIELD: physics, measurement.

SUBSTANCE: device of vehicle traffic parameter control includes first microprobe induction sensor (1) connected to high-frequency auto-oscillator (2), output of which is connected via high frequency oscillation gauge (3) to microcontroller (10) of passing vehicle count and classification. Additionally, device includes second microprobe induction sensor (4), signal amplifier (5) and analog-to-digital converter (6). Second microprobe induction sensor (4) is connected via signal amplifier (5) and analog-to-digital converter (6) to first input of digital signal splitter (7), second output of which is connected to output of high-frequency oscillation gauge (3). Output of digital signal splitter (7) is connected to first input of digital signal multiplier (8), second input of which is connected via signal duration sensor (9) of high-frequency oscillator to output of high-frequency oscillation gauge (3). Outputs of high-frequency oscillation gauge (3), digital signal splitter (7) and digital signal multiplier (8) are connected via microcontroller of passing vehicle count and classification to long-term storage (11) of traffic parameters.

EFFECT: simplified operation of device for vehicle traffic parameter control.

1 dwg

FIELD: aviation.

SUBSTANCE: invention relates to the space objects (SO) surveillance methods using optical and electronic facilities and can be used for identification of an orbit of passive SO (PSO) at the geostationary orbit independently from the board of active SO (ASO). During the drift along the quasi-stationary orbit (with smaller radius and period, compared with PSO) ASO performs the search and identification of PSO. After that the point of ascending or descending node of PSO orbit is determined. By periodic PSO appearances in this point the PSO nodical period of revolution is determined. With each orbit pass ASO comes nearer to PSO to the certain distance. During two orbit passes these distances form a dynamic base of stereotriangulation measurements of location of the named nodal point of PSO orbit. Using two additional points of the orbit located in front of and behind the nodal point outside the equatorial plane of Earth, PSO velocity vector is measured. After identification of location of the nodal point and PSO velocity vector, 6D vector of PSO orbital motion is calculated uniquely for the full orbit pass after the moment of the first registration of the named point.

EFFECT: minimising of ASO number, time of PSO observation and respective expenses related to characteristic velocity.

4 dwg

FIELD: physics.

SUBSTANCE: method involves detecting reflected light pulses, digitising received signals, calculating range to objects and velocities of moving objects and determining angular coordinates. The signals are differentiated during digitisation. Time intervals between emission and portions of differentiated signals corresponding to front edges of received light pulses, as well as time intervals t2 between portions of differentiated signals corresponding to front edges and trailing edges of received light pulses are simultaneously measured. The velocity x of moving objects is determined: υ=c(1t2t1), where c is the speed of light in the medium; t1 is the duration of the emitted light pulse. The apparatus comprises a signal digitisation unit made from a multichannel time interval measuring device and n differentiators, inputs of which are connected to outputs of photosensitive elements, and outputs are connected to signal inputs of the multichannel time interval measuring device, the output of which is connected to the input of a control unit.

EFFECT: simultaneity and accuracy of detecting objects, measuring velocity of objects, distance and angular coordinates.

2 cl, 1 dwg

FIELD: physics.

SUBSTANCE: coherent lidar system has an all semiconductor laser assembly for emission of a measurement beam of electromagnetic radiation directed towards a measurement volume for illumination of particles in the measurement volume, a reference beam generator for generation of a reference beam, a detector for generation of a detector signal by mixing of the reference beam with light emitted from particles in the measurement volume illuminated by the measurement beam, and a signal processor for generating a velocity signal corresponding to the velocity of the particles based on the detector signal.

EFFECT: low noise level, high detection reliability.

39 cl, 10 dwg

FIELD: physics.

SUBSTANCE: method is based on determining from the measured time interval between instants when one body detects the other at long and short distances, through detection of one body using the other by probing space with light pulses and detecting reflected radiation followed by analysis. Probing light pulses are emitted by one emitter and the reflected radiation is detected by one receiver mounted on one of the bodies; an established series of light pulses is emitted over a given time interval; the signal indicating detection of a body is generated upon detection of reflected signals of all emitted light pulses of the current series and upon detecting the final reflected signal of the series in a test time window.

EFFECT: high accuracy of determining the approach speed of two bodies with protection from small-size interference, minimisation of size and weight characteristics and power consumption of the device.

2 cl, 1 dwg

FIELD: weapons and ammunition.

SUBSTANCE: contactless target sensor with transceiver channel comprises optical radiator with optical radiation source, photo receiver and electronic unit. Radiator and receiver are arranged on ammunition while pulse laser diode is used as optical radiation source. Note here that optical radiation from said source is collimated and directed to target surface. Note also that time interval between light pulse irradiation and strobe pulse opening moment is preset to set distance to target, and target is identified provided photo receiver register reflected signal in said strobe pulse.

EFFECT: higher accuracy of range finding, better optical noise immunity, decreased weight and sizes.

1 dwg

FIELD: physics.

SUBSTANCE: method is based on determining from the measured value of the time interval between instants when one body detects the other at long and short distances, by detecting one body using the other by probing space with light pulses and detecting reflected radiation followed by analysis. Probing light pulses are emitted by one emitter and the reflected radiation is detected by one receiver mounted on one of the bodies; an established series of light pulses is emitted during a given time interval; the signal indicating detection of a body is generated upon detection of reflected signals of all emitted light pulses of the current series and upon detecting a finite reflected signal of the series in a test time window.

EFFECT: high accuracy of determining the approach speed of two bodies with protection from small-size interference, minimisation of size and weight characteristics and power consumption of the device.

2 cl, 1 dwg

FIELD: weapons and ammunition.

SUBSTANCE: method involves determination by measured value the time interval between target identification at two different specified distances and is based on detecting the object via space exploration by light pulses and recording of reflected radiation with sequential analysis. Radiation of sounding light pulses is done by one transmitter and recoding of reflected radiation - by one receiver located on ammunition, note that there radiated are the specified series of light pulses within specified time interval, at that the signal of target identification is formed providing the recording of reflected signals of all radiated light pulses of current series and recording of final reflected series signal in test time interval.

EFFECT: provision of possibility to determine the speed of ammunition approaching the target not depending upon the speed and type of ammunition with the possibility of protection from small-size interferences influence, provision of possibility to minimise dimensional and weight characteristics and energy consumption of the device.

2 cl, 1 dwg

FIELD: physics.

SUBSTANCE: method involves conversion of a stream of radiation to a series of light pulses, time referencing of the onset and end of each pulse, formation of traces of objects in form of lines on a photosensitive surface and measurement of the coordinates of the beginning and end of each line. The pulse-repetition period is set proportional to the current time.

EFFECT: broader functional capabilities of the method of detecting moving objects.

3 cl, 3 dwg

FIELD: measuring techniques.

SUBSTANCE: invention relates to measuring techniques and can be used particularly for detecting violation of traffic rules by a vehicle. The method involves multiple probing a remote object by sending a series of laser pulses towards it, determining in each probe of the lag between sending the pulses and receiving the radiation reflected by the object, analytical determination of the current range of the object and recording these range values. The series of probes with recording of time values is divided into two groups. For the first group of probes, linear interpolation of recorded range values is carried out, from the results of which the trajectory of the object is pre-determined. Depending on the determined speed value, a reference time interval is formed, at the end of which the second group of probes is carried out. A revised trajectory is determined from range and time instant values recorded in both groups of probes. When recording probe results and after determining the revised trajectory of the object, measurements of the range of the object, results of which differ from the previous reliable measurement value exceeding the limit error of range measurement, are cancelled. The revised trajectory of the object is re-determined from the remaining results which have been ruled reliable.

EFFECT: invention saves resources and increases service life of the device, and also reduces power consumption by cutting on the number of measurements in the series of probes with minimal error of determining speed of an object in a wide range of speed.

6 cl, 1 dwg

FIELD: instrument engineering.

SUBSTANCE: according to the measurements of current navigation parameters for the short measured interval the iterative alignment of vector of the state on the set of correctness is carried out, using the checking sequence of test iterations under conditions of incomplete implementation of operational scheme of carrying out the radio control of the orbit. At that the procedures of statistical processing of sessions of measurements of current navigation parameters are used. The conditions of stability and reliability of the measurements are provided on the basis of formation of checking sequence of alternative solutions containing the optimal solution, which is chosen on the basis of conformity to it of projection of vector of measuring error of current navigation parameters on the space of adjustable parameters not exceeding the specified error of the defined vector of parameters of motion of artificial satellite of the Earth.

EFFECT: improvement of accuracy and operational efficiency of the artificial satellite of the Earth positioning.

1 dwg

Up!