79results about "Traffic control systems" patented technology

Disclosed are a scheduling apparatus of an unmanned aircraft and a scheduling method of the scheduling apparatus. The scheduling apparatus (1) includes a memory cell (2), a verification module (3), and a scheduling module (4). The memory cell (2) stores identification code data and flight mission data, and the verification module (3) verifies an identification code sent by and uniquely corresponding to the unmanned aircraft (5). When verification of the identification code is passed, the scheduling module (4) receives a flight mission sent by the unmanned aircraft (5). When the flight mission conflicts with a flight mission of other unmanned aircraft, and the priority of the flight mission is less than or equal to the flight mission of other unmanned aircraft, the scheduling module (4) adjusts the flight mission.

Systems and methods for synchronizing two or more vehicles operating on an electric transportation line to optimize energy consumption. A controller is provided having a computer memory component storing a set of computer-executable instructions, a list of braking intervals, and a list of acceleration intervals for the vehicles. The controller also has a processing component configured to execute the set of computer-executable instructions to operate on the list of braking intervals and the list of acceleration intervals to minimize an energy consumption of the electric transportation line over a determined period of time by shifting acceleration intervals to synchronize with braking intervals. A dedicated heuristic greedy algorithm and an energy model are implemented in the controller as part of the computer-executable instructions to achieve the improved energy consumption.

A safe lander consists of a flight airplane, transducer multi-path multiplexing receiver and emitter set on said airplane, digital processor / computer of land based simulator, flight control unit of land based airplane simulator, remote navigation electronic interface unit, land based airplane simulator, unique airplane identification ID and configuration unit, analysis unit of land based processing station, two-way RF communication unit of space to ground and ground to space, and remote pilot display set on land based simulator.

The invention provides an auto-management data link of micro unmanned aerial vehicles, which comprises a physical medium which is 2.4 to 2.483GHz microwaves, a link protocol which is ZigBee protocol is an international standard IEEE802.15.4-based wireless network protocol, and equipment formed by connecting a micro unmanned aerial vehicle model with a wireless module and an antenna, which are fixedly arranged in the unmanned aerial vehicle model, through a serial port RS-232. The wireless module consists of a ZigBee coordinator and a ZigBee router and adopts a half duplex communication mode; a data link network topology is a tree topology; and data link simulation software is the 14.5 edition of OPNET network simulation software. The data link allows the transmission speed of the unmanned aerial vehicles to reach 250kbps; the channel utilization rate can reach 90 percent; the packet transfer delay is 0.4s; and the throughput of the data link is 63kbps.

A system and method are provided for controlling a plurality of vehicles to affect positioning of a common payload. The system comprises of multiple vehicles having positioners to change the location of the common payload, where the group of vehicles form a swarm that is controlled by a driver or pilot station. Each vehicle is autonomously stabilized and guided through a swarm electronics unit, which further includes sensor, communication, and processing hardware. At the driver or pilot station, a system or a person remotely enters payload destinations, which is processed and communicated to each vehicle. The method for controlling a multi-vehicle system includes inputting the desired location of the payload and determining a series of intermediary payload waypoints. Next, these payload waypoints are used by the swarm waypoint controller to generate individual waypoints for each vehicle. A controller for each vehicle moves the vehicle to these individual waypoints.

A method for discriminating or prompting on legal parking area by GPS system on vehicle includes prestoring relevant area information of legal parking area, starting up decision and prompting function of legal parking area to obtain current position information of vehicle and carrying out judgment operation for judging whether current parking position is at legal larking area as stored in navigation databank or not then carrying out prompt operation for knowing that current parking area is legal position or illegal position.

The invention relates to a method and a device for monitoring the flying state of a low-altitude airspace aerocraft and belongs to the technical field of communication; the device comprises an information detection terminal of the aerocraft and an information processing terminal of a monitoring center; the information detection terminal of the aerocraft is arranged on the aerocraft; and the information processing terminal of the monitoring center is arranged in a ground monitoring center. The method and the device utilize the information interaction between the information detection terminal of the aerocraft and the information processing terminal of the monitoring center to realize the monitoring of the flying state of the low-altitude airspace aerocraft and ensure the flying safety of the aerocraft.

A method includes forming a first schedule for a first vehicle to travel in a transportation network. The first schedule includes a first arrival time of the first vehicle at a scheduled location. The method also includes receiving a first trip plan for the first vehicle from an energy management system. The first trip plan is based on the first schedule and designates at least one of tractive efforts or braking efforts to be provided by the first vehicle to reduce at least one of an amount of energy consumed by the first vehicle or an amount of emissions generated by the first vehicle when the first vehicle travels through the transportation network to the scheduled location. The method further includes determining whether to modify the first schedule to avoid interfering with movement of one or more other vehicles by examining the trip plan for the first vehicle.

A distributed control system includes a remote control system configured to be communicatively coupled with plural separate vehicle systems. The remote control system is configured to remotely control operation of the vehicle systems and / or communicate with the local vehicle control system or operator. The remote control system also is configured to one or more of change how many of the vehicle systems are concurrently controlled by the remote control system or change how many remote operators of the remote control system concurrently control the same vehicle system of the vehicle systems.

The invention discloses a light transmission hypothesis based intensive autonomous aerial vehicle formation control method, and belongs to the technical field of control on autonomous formation of unmanned aerial vehicles. In order to solve the problem that collision probability during intensive aerial vehicle formation is difficult to lower in existing multi-aerial-vehicle formation technology, on the basis of researching the group anti-collision problem, particularity of intensive group anti-collision is analyzed, a light transmission hypothesis of an intensive group anti-collision mechanism is proposed according to group behaviors of animals in the natural word, and a light transmission generation protocol is designed for generating light transmission coefficients of each node in representation formation; the light transmission hypothesis and a model predicative control formation controller are combined, a local predictive model for formation is established, and an LMPC ( local model predictive control) formation controller is designed; the LMPC formation controller is combined with the light transmission coefficients, a light-transmission avoidance algorithm allowing each node to follow the light transmission hypothesis to perform collision avoidance behaviors is given, and collision probability in case of intensive formation is lowered effectively.

The invention discloses a space target falling multi-model tracking guiding technology. The space target falling multi-model tracking guiding technology comprises the steps of analyzing a space targetfalling forecast principle, syntheticallyusing a plurality of atmosphere models, combining an observation station tracking arc segment to calculate an atmosphere coefficient of drag CD, and combiningradar measuring data to correct the atmosphere coefficient of drag CD and a falling forecast calculation. The space target falling multi-model tracking guiding technology is scientific and reasonable, is safe and convenient in utilization, combines orbit dynamicscharacteristics of a falling target and adaptive ranges of the various atmosphere models, adopts methods of atmosphere model switching and damping factor discrete solution to perform falling forecasts, improves the accuracy of the falling forecasts and can be further adapted to calculation and forecast of a super-low orbit, and combines a tracking arc segment to perform CD value estimation.A discrete variation of a CD value accords with a variation trend of measured atmosphere as far as possible, the multiple atmosphere models aresynthetically used in the quick guiding process, the atmosphere models are replaced along with the change of heights, and according to the space target falling multi-model tracking guiding technology, errors of the space target falling forecastsare reduced to less than 10%.

A method and a trolley for facilitating a passenger's way through an airport terminal, and improved methods for boarding aircrafts. The trolley may include an interface, such as a boarding card reader, for receiving information identifying the passenger and / or the passenger's flight. Mobile wireless communication means may be provided at the trolley for receiving airport information data, such as flight departure gate, delay or cancellation information, from a computer network within an airport terminal. Data output means are provided to communicate information to the passenger. The trolley may be X-ray compliant. A communication interface may be provided at the trolley for communicating with a portable device, such as a smartphone or equivalent means of the passenger. Individually selected information based on passenger identity, destination, position or past collection of passenger behaviour may be disseminated to passengers on an individual basis. Passengers may be allowed to pass a gate for aircraft boarding only when called in accordance with a predetermined boarding sequence on the basis of, e.g., seat number or seat row.

A power train control device includes a requested torque calculation unit that calculates requested torque for an engine based on a parameter input from an upper level computing device, a transmission gear ratio determination unit that determines a transmission gear ratio, a transmission control unit that calculates output shaft torque and gearshift time of an automatic transmission at the time of gearshift and outputs a control parameter to an automatic transmission control device, a generated driving torque calculation unit that calculates driving torque generated in the power train, taking account of the load torque of the engine input from a load torque computing device, and outputs the calculated driving torque to the upper level computing device, and an availability calculation unit that calculates and outputs availability of the driving torque to the upper level computing device.

Methods and systems for space situational awareness (SSA) demonstration are provided. The system includes a space data collector component, for collecting space initialization data of space objects from initialized space sources and pre-processing the space initialization data; a data relocation component, for distributing the space initialization data pushed from the space data collector component into multiple streaming channels for streaming; a streaming platform, for streaming, mapping, and reducing the space initialization data from the data relocation component to provide streamed data; a real-time analysis component, for calculating the streamed data to conduct a real-time detecting and tracking analysis of the space objects by implementing algorithms for one or more of space uncertainty propagation, space object tracking, sensor management, and collision avoidance; and a space visualization component, for displaying a visualization of space situational awareness (SSA) based on analyzed results from the real-time analysis component.

A method of implementing an optimal avoidance filter for interposing between a human operator issued movement commands and a corresponding machine control system of a movable machine, for the avoidance of collisions with objects, the method comprising: (a) inputting a detailed representation of objects in the vicinity of the movable machine; (b) formulating a hierarchical set of bounding boxes around the objects, the hierarchical set including refinement details depending on the current positional state of the movable machine, with objects closer to the machine having higher levels of refinement details; (c) utilizing the resultant hierarchical set as a set of constraints for a mixed integer optimization problem to determine any alterations to the issued movement commands so as to avoid collisions with any objects.

The invention relates to a device for identifying obstacles for rail vehicles (1), comprising a force measuring device (4) which generates a collision force measuring signal (5) in the event of a collision between a collision beam (3) of the rail vehicle (1) and a mass (m) of the collision object (11). Said collision force measuring signal (5) is directed to an evaluation device (7) together with a rail vehicle speed signal (6) and the evaluation device (7) is designed to integrate the collision force measuring signal (5) by means of an integrator (13) and by using the rail vehicle speed signal (6), to determine the mass (m) of the collision object (11).

The embodiment of the invention discloses an artificial-influenced flying operation control system which comprises an operation pre-warning module, a flying course planning module and an airspace deploying module. The operation pre-warning module is used for meteorological data generation operation pre-warning, the flying course planning module conducts planning on undetermined artificial-influenced flying operation according to workable time frames, workable airspace and workable types included in the operation pre-warning, and the airspace deploying module is used for conducting corresponding airspace deploy on a planning result according to collected flying data and collected deploying rules of a flying plan in the jurisdiction airspace. Thus, reasonable planning and airspace deploy can be conducted on artificial-influenced flying operation through reasonable cooperation reference of data among the operation pre-warning module, the flying course planning module and the airspace deploying module, and thus the effect that factors on multiple aspects can be reasonably and comprehensively considered, and control over the shade flying operation can be effectively completed can be achieved. Furthermore, the adverse influence on the control over the artificial-influenced flying operation by human experiences is excluded, and the control accuracy and the processing efficiency are improved.

A power train control device includes a requested torque calculation unit that calculates requested torque for an engine based on a parameter input from an upper level computing device, a transmission gear ratio determination unit that determines a transmission gear ratio, a transmission control unit that calculates output shaft torque and gearshift time of an automatic transmission at the time of gearshift and outputs a control parameter to an automatic transmission control device, a generated driving torque calculation unit that calculates driving torque generated in the power train, taking account of the load torque of the engine input from a load torque computing device, and outputs the calculated driving torque to the upper level computing device, and an availability calculation unit that calculates and outputs availability of the driving torque to the upper level computing device.

Systems and devices that will notify train system maintenance workers of an approaching vehicle and, conversely, will notify the operators and administrators of train systems of train system maintenance workers within the vicinity of an approaching section of track. Embodiments of the safety systems and methods disclosed herein may use proportional warnings based on the speed or proximity of approaching vehicles as well as the specific location of such approaching vehicles relative to worker positions to help avoid worker warning fatigue.

The invention relates to an aircraft motion state measurement and data processing system. The system comprises a flight parameter acquisition unit, an environmental parameter acquisition unit, a datarecorder, an online processing computer and an offline processing computer. The system can collect space environment parameters and flight parameters of an aircraft, uses the online processing computer to obtain real-time aircraft motion state data, and performs aircraft command and control on the basis; or the historical flight data stored in the data recorder are processed by using the offline processing computer, and aircraft performance analysis is carried out on the basis of the historical flight data. By adopting the system, a unified aircraft flight state data measurement and processingflow can be formed, comprehensive real-time flight state data can be obtained, and the aircraft control difficulty can be reduced; historical flight data can be acquired as required according to analysis requirements and imported into an analysis environment, so that more flexible and convenient aircraft performance analysis capability is realized.

An adaptive scheduling system is configured to adaptively schedule flights for aircraft, and includes a flight history database that stores historical data regarding one or both of the aircraft and one or more locations to and from which the aircraft travels, and a delay determination control unit in communication with the flight history database. The delay determination control unit is configured to predict one or more delays for the aircraft based on an analysis of the historical data. The delay determination control unit is further configured to generate delay data for the aircraft indicative of the delay(s). A robustness determination control unit is in communication with the delay determination control unit. The robustness determination control unit is configured to generate at least one robustness index based on the delay data. The robustness index(es) is used to adaptively schedule the flights for the aircraft.

The object of the invention is to provide a system which can be constituted quite compactly for detecting actual position of a material handling vehicle in a warehouse in which a plurality of racks composed of upright frame members and lateral frame members connecting the upright members are installed so that material handling vehicles can travel along the passageway between the racks so that current position of the material handling vehicle in the warehouse can be detected with increased reliability even if some of the reflections fail to be received by the sensors.A first reflector plate S is attached to each of the upright frame members and a plurality of second reflector plates R are attached to the lateral frame member along longitudinal direction thereof, a first sensor 3 and a second sensor 4 each for emitting a light beam and receiving reflection thereof from each of the first and second reflector plates are attached to the vehicle, and a controller is installed on the vehicle to estimate current location of the vehicle based on combination of the number of reflections actually received by the first and second reflector plates and counted by the controller.

In the method of reducing the likelihood of collisions, the improvement comprising the step of embedding passive radio transponders in a tape, grease, or other materials; applying said passive radio transponders to an object of which collisions must be avoided, and mounting an active interrogating transponder on a moving machinery, which uses the information provided by the radio transponders to semi-autonomously avoid collisions.

A system for transporting containers using heavy goods vehicles having a separate operating region in which the heavy goods vehicles can be operated includes at least one first lane for at least one external heavy goods vehicle, and at least one second lane for at least one internal heavy goods vehicle are reserved in the separate operating region. The heavy goods vehicles can be operated together in a mixed traffic situation, and the first and second lanes are each guided through a transition region of a handling unit of a storage region and each arranged laterally in relation tothe storage region.

The invention discloses a synchronous orbit satellite co-location strategy generation method and device, and the method comprises the steps: determining the system parameters of each synchronous orbitsatellite at any fixed point orbit position, and determining the longitude control interval of each synchronous orbit satellite according to the system parameters; determining an eccentricity ratio control interval of each synchronous orbit satellite according to the longitude control interval, and determining an eccentricity ratio vector according to the eccentricity ratio control interval; anddetermining an inclination angle vector and an included angle between the eccentricity ratio vector and the inclination angle vector, and generating a co-location strategy of the synchronous orbit satellite according to the included angle and a preset inclination angle isolation strategy. According to the invention, the technical problems that the reliability of the generated synchronous orbit satellite strategy in the prior art is poor and the synchronous orbit satellite strategy is easily influenced by the positioning precision of the ground test station are solved.

An aviation communication system which includes (a) a recording device in operative connection with (i) a communication signal transceiver so as to enable the recording of communication signals sent and received by the transceiver and so as to enable the generation of an audio signal output, and (ii) an audio transmitter for converting the audio signal output from the recording device into audible sound; and (b) a controller configured for operative connection to the recording device, which controller enables one or more recorded communication signals from the recording device to be transmitted as one or more audio signals to the audio transmitter while the recording device continues to record communication signals sent and received by the transceiver. In one embodiment, the system provides indexing of the recorded signals to enable facile reference back to previously recorded communication signals to facilitate effective communication with other pilots and air traffic controllers during flight under challenging circumstances. Related methods of conducting avionic communications are also provided.