1278results about "Automatic systems" patented technology

A public transportation system includes control by highly distributed communications, ultra-light transit vehicles suspended from single or dual rails and powered by electricity. The electric power supplied independently and supplemented by wind generators and solar panels. The transit vehicles, are suitable to transport from one to four persons. The system includes a plurality interconnected rails with main conduits and station conduits to provide non-stop transportation from one station to another station.

The invention provides a train full-automatic running method and system. The train full-automatic running method comprises the following steps that according to a running schedule or a command of a control center, trains are automatically awakened, and static detection and dynamic detection are completed; a parking lot control system performs route arrangement on the trains which are automatically awakened; the control center monitors the condition of the trains, the condition of the parking lot control system and the condition of an equipment centralization station, and controls and adjusts the running plan of each train combining the running schedule; when the trains need cleaning, a train washing machine sub system of the parking lot control system arranges a route for the trains to enter the train washing machine and a reentrant route for the trains to leave from the train washing machine; and when the trains stop running, automatic train protection ATP equipment and automatic train operation ATO equipment are closed, and AOM is kept working continuously. Compared with a conventional CBTC system, the train full-automatic running method disclosed by the invention realizes full-automatic running, the reliability, the safety, the availability and the maintainability of the train full-automatic running system are further improved, the operating emergency handling level is improved, the automation level is improved, and the labor strength is reduced.

The invention discloses a rail transportation train automatic monitoring system based on communication, which comprises on-board equipment and a ground automatic monitoring system. The on-board equipment arranged on the train is used for collecting train information and sending to the ground automatic monitoring system through a wireless network, and is also used for receiving and executing dispatching commands sent by the ground automatic monitoring system. The ground automatic monitoring system is used for receiving the train information from the on-board equipment, interlocking calculating according to the train information to generate dispatching commands and sending the commands to the on-board equipment through the wireless network. The invention realizes the closed loop control to the train through the train-ground bidirectional information transmission, greatly lowers the effect of human error, and raises the system reliability; ATS system real-timely knows various operation parameters of the train such as the position, the speed, etc. thereby improving the operation efficiency and the automation of the system; moving block is realized through wireless communication, thereby facilitating the improvement of traffic density; and the train can timely respond the dispatching and the adjusting commands of the ATS system.

The invention provides a vehicle monitoring system based on a CTCS-3 level train control system and a terminal thereof; the system comprises a vehicle monitoring terminal, a ground access server and an operation and maintenance terminal; the vehicle monitoring terminal is arranged on a locomotive and is used for collecting the data of vehicle I interface, thus obtaining monitoring data and downloading the monitoring data to the ground access server by a GPRS and / or WLAN network; the ground access server is used for analyzing, counting and memorizing the monitoring data so as to be queried and analyzed by a user and transferring the analyzed and counted monitoring data to the operation and maintenance terminal; and the operation and maintenance terminal is used for carrying out real-time display on the monitoring data. The system and the terminal can position the communication signal equipment failure points, and realize the real-time monitoring and early-warning on the working state of the vehicle communication and signal equipment.

The invention provides an on-board track traffic passenger flow transport capability and a running safety intelligent monitoring and pre-warning system, which is characterized in that the system comprises at least one or one group of vehicle running state gaining intelligent sensing device(s) in a passenger flow transport capability / scene image sensor, a mechanical vibration / noise sensor, a wheel track state and vehicle chassis image sensor and a road condition image information intelligent sensor, at least a set of train monitoring and pre-warning controllers which can carry out the network assembly of the vehicle running state gaining intelligent sensing devices, carry out information communication with all vehicle running state gaining intelligent sensing devices, carry out data memory and data integration, analysis and processing, achieve system function arrangement, operation, pre-warning and control and carry out information communication with earthwork equipments; all intelligent sensing devices and the train monitoring and pre-warning controllers are connected with each other by communication buses which are matched with each other. The system of the invention has the advantages of multi-function, high intelligent informatization level, high performance / price ratio, high reliability, etc., is easy to be expended and can be applied under all-weather meteorologic conditions.

The invention discloses a system for planning and controlling train travelling speed. The system comprises ground equipment which is approached during travelling of a train, and vehicle-carried equipment arranged on the train. The vehicle-carried equipment comprises a speed meter, a human-computer interface, a ground equipment answering unit, a train automatic protecting unit, a speed control unit and a traction / brake unit, wherein the train automatic protecting unit is respectively connected with the speed meter, the human-computer interface, the ground equipment answering unit and the speed control unit; the ground equipment answering unit is respectively connected with the ground equipment and the train automatic protecting unit; and the speed control unit is respectively connected with the train automatic protecting unit and the traction / brake unit. The system receives information including railway condition, line limit speed, travelling authority and the like, through a ground answerer; the comfort of passengers, the time accuracy and the energy conservation of train travelling are considered at the same time to plan the optimal distance-speed-based target speed running curve; and real-time tracking on the target speed is realized by outputting a proper traction / brake instruction.

A train control system comprising a vital brake interface unit that is disposed between the train control processors and the braking system. The brake interface unit ensures that any failure in the control processors or the interface itself is detectable and, when detected, causes the system to fail safely (i.e., the train's brakes are applied). By virtue of the use of redundant circuitry paths, the vital braking interface unit enables real-time verification of system circuitry without actually applying the train's brakes.

A system, method, and apparatus are disclosed for a machine vision system that incorporates hardware and / or software, remote databases, and algorithms to map assets, evaluate railroad track conditions, and accurately determine the position of a moving vehicle on a railroad track. One benefit of the invention is the possibility of real-time processing of sensor data for guiding operation of the moving vehicle.

The invention discloses a rail traffic comprehensive monitoring system and a method thereof, comprising a collecting platform, a comprehensive monitoring supporting platform and a monitoring control module which are sequentially connected through application interfaces. The invention also comprises a maintenance management module which is connected with the comprehensive monitoring supporting platform through the application interface. The method comprises online detection, filtration and malfunction grade judgement. The disposal is carried out according to different grades and different situations; a preparedness disposal is carried out if the disposal belongs to the first grade and, for the residual disposals, the maintenance strategy is determined and the expert database sub-module is updated according to the decision of experts; the equipment which is required to be maintained at once is maintained or waits to be maintained; a nominal disposal is firstly carried out during the maintenance and then malfunctions are isolated; the maintenance result is detected finally and the malfunction and maintenance condition are recorded. The invention can effectively reflects the healthy condition of equipment and gives out maintenance strategy in the comprehensive monitoring system, which leads the maintenance and operation scheduling to be integrated for management, implements high integration, transparence and informationization of maintenance operation, and effectively reduces construction cost.

The present invention provides a train operation control system based on full information perception. The system includes: ground center equipment; assisting trains to obtain communication train information, correctly establish train-vehicle communication, and automatically receive data to supervise and control train operation; On-vehicle equipment: increase direct communication channels between vehicles and target controllers, combined with comprehensive information perception and input for active train protection; trackside equipment: form a distributed target controller communication network based on IP communication, support trains through wireless The communication controls and collects the status of the trackside signal equipment. The invention improves the intelligence degree of the vehicle-mounted equipment in the train control system, combines the interlocking and section block functions of the existing system with the original vehicle-mounted train control function, and the vehicle-mounted equipment completes the integrated control of the interlocking train control, while the track The trackside equipment realizes fully electronic distributed control, which reduces the laying complexity, maintenance difficulty and maintenance cost of the trackside equipment.

The present invention provides a new personal transport system for passengers and goods, which comprises: a tube car comprising a self-powered closed tube car carrying passengers or goods from door to door; and a network of tubes comprising a plurality of tubes, the said network of tubes combined with the existing blocks or buildings, with each tube in the network of tubes provided with an upper rail and / or a lower rail for supporting and / or guiding the said tube car carrying passengers or goods. According to the invention it is possible to achieve a door-to-door transport between two buildings. In comparison to other traffic systems, the inventive system's velocity, line capacity, safety and reliability, ability of resisting disasters and comfortableness are much increased while its consumption of energy, construction cost, occupied space, operating cost, noise and visual pollution are greatly reduced. Furthermore, the transport system of the invention is easy to put into a standardized production, quick to be laid, removed and reused.

The invention discloses an intelligent transport system for an urban railway based on safety communication. The intelligent transport system for the urban railway comprises a DCS (data communication system), an ATS (automatic train supervision), an ATP (automatic train protection), an ATO (automatic train operation), a DTO (driverless train operation) and a MMS (maintenance management system), wherein the ATS, the ATP, the ATO, the DTO and the MMS realize the network connection through the DCS. The intelligent transport system for the urban railway has the advantages that the proper Internet storm influence of a CBTC (communication based train control) is favorably overcome, the safety problem of the train-ground wireless communication is favorably solved, the man-machine interface of the CBTC is favorably unified, the linkage efficiency among the systems under the emergency condition is improved, the ease maintenance of the system is enhanced, and the complete network operation scheme is provided.

An autonomous personal transportation system for moving passengers and light freights is constructed with a track network and small vehicles on the track network. There are a number of stations and stops for loading and unloading on side tracks off the mainline of the track network. The vehicle width is limited to a dimension for one seat. The vehicles can be coupled statically or dynamically to form a train. The track has side rails for the rigid wheels of the vehicle and a central rail for centering the vehicle on the guideway and providing additional acceleration and braking capability. The control system for the movement of vehicles is divided into three levels: the central control system, the wayside control system and the vehicle control system.

Disclosed is a method of increasing track capacity in an automated vehicle system, the automated vehicle system comprising a network of tracks along which vehicles are adapted to travel, the network comprising at least one merge point at which at least two up stream tracks merge to form a downstream track, at least one diverge point at which one upstream track diverges to form at least two down-stream tracks and a plurality of stations at which passengers may board and / or disembark from the vehicles; wherein the method comprises controlling vehicles so as to cause empty vehicles to travel as at least one sequence of vehicles defined as a platoon; and controlling the empty vehicles of the at least one sequence to travel with a first safety distance between each other, the first safety distance being shorter than a second safety distance between vehicles being at least partially loaded.

Disclosed is a method of increasing track capacity in an automated vehicle system, the automated vehicle system comprising a network of tracks along which vehicles are adapted to travel, the network comprising at least one merge point at which at least two up stream tracks merge to form a downstream track, at least one diverge point at which one upstream track diverges to form at least two down-stream tracks and a plurality of stations at which passengers may board and / or disembark from the vehicles; wherein the method comprises controlling vehicles so as to cause empty vehicles to travel as at least one sequence of vehicles defined as a platoon; and controlling the empty vehicles of the at least one sequence to travel with a first safety distance between each other, the first safety distance being shorter than a second safety distance between vehicles being at least partially loaded.

The present invention belongs to the field of intelligent passenger train information management, and is especially intelligent passenger train digital information managing and intelligent passenger train digital information remote monitoring and managing system realized by means of computer control technology, phonetic synthesis technology, data compression technology, satellite positioning technology and radio data transmission technology. The system consists of on-train intelligent train information managing system, which consists of industrial control computer, printer, video camera, GPS satellite receiver, WLAN radio network card, GPRS and CDMA radio router, and sound card connected to loudspeaker; and intelligent passenger train digital information remote monitoring and managing system, which consists of server with control software and connected to Internet, computer and screen.

The invention provides a CTCS (China Train Control System)-3-level train control center system, comprising a TCC(Train Control Center). The TCC is used for carrier frequency and low frequency coded commands to a rail circuit device, and receiving rail section state information and device state information returned by the rail circuit device; the TCC is further used for transmitting coded information to the rail circuit device according to route information provided by a CBI (Channel Bus In), the rail section state information and the device state information, and the rail circuit device transmits movement authority information to the train according to the coded information; and the rail circuit device transmits a temporary speed restriction command to the train through an active transponder according to the temporary speed restriction command t transmitted by a TSRS (Temporary Speed Restriction Server). The rail circuit device is used for transmitting the movement authority information to the train according to the coded information. With the CTCS-3-level train control center system, the safety and the reliability of a high-speed railway train operation control system are both improved, and equipment cost and construction difficulty are both reduced.

The invention discloses an automatic calibration system of the diameter of a vehicle wheel based on satellite positioning, and a method thereof. The system of the invention comprises five modules and a map database, wherein, the map database is used for storing relevant information of train operation lines; the five modules are respectively a positioning module, a map matching module, a data recording module, a communication module and a main processor. By introducing a satellite positioning technology, the automatic calibration of the diameter of the vehicle wheel in a positioning system is realized by GNSS positioning information so as to reduce positioning errors caused by the diameter change of the wheel due to the wheel wear, thereby improving the precision of the train positioning.

The present invention provides a new personal transport system for passengers and goods, which comprises: a tube car comprising a self-powered closed tube car carrying passengers or goods from door to door; and a network of tubes comprising a plurality of tubes, the said network of tubes combined with the existing blocks or buildings, with each tube in the network of tubes provided with an upper rail and / or a lower rail for supporting and / or guiding the said tube car carrying passengers or goods. According to the invention it is possible to achieve a door-to-door transport between two buildings. In comparison to other traffic systems, the inventive system's velocity, line capacity, safety and reliability, ability of resisting disasters and comfortableness are much increased while its consumption of energy, construction cost, occupied space, operating cost, noise and visual pollution are greatly reduced. Furthermore, the transport system of the invention is easy to put into a standardized production, quick to be laid, removed and reused.

The invention provides a driving method and system of a full-automatic driving train. The method includes the steps that firstly, when a fault occurs in the normally-traveling full-automatic driving train, the level of the fault is judged; and secondly, when the level of the fault is lower than a preset danger level, the train is controlled in the preset mode to travel to a next station and stop, wherein in the preset mode, the traveling speed of the train is smaller than the preset speed. By the adoption of the driving method of the full-automatic driving train, when the low-level fault occurs in the train travelling in a full-automatic driving manner, the train can travel to the adjacent station at a low speed so as to be maintained, the train with the fault is prevented from affecting normally-travelling trains in the whole line, and convenience is provided for maintenance work of station maintenance personnel. Meanwhile, in the process when the train with the fault travels to the adjacent station at the low speed, if a fault of the higher level occurs, the train is urgently braked, and the safety of the train is guaranteed through the method.

An autonomous personal transportation system for moving passengers and light freights is constructed with a track network and small vehicles on the track network. There are a number of stations and stops for loading and unloading on side tracks off the mainline of the track network. The vehicle width is limited to a dimension for one seat. The vehicles can be coupled statically or dynamically to form a train. The track has side rails for the rigid wheels of the vehicle and a central rail for centering the vehicle on the guideway and providing additional acceleration and braking capability. The control system for the movement of vehicles is divided into three levels: the central control system, the wayside control system and the vehicle control system.

The invention relates to a computer interlocking system, which comprises a ground region control center used for real-timely monitoring the train position and outputting the position information of a train; a safe computer interlocking subsystem used for receiving the train position output by the ground region control center, interlocking calculating according to the train position and output a control signal according to the calculation result; an output subsystem used for receiving the control signal output by the safe computer interlocking subsystem and controlling a field device to drive; and a communicating subsystem used for building safe communication connection among the ground region control center, the safe computer interlocking subsystem and the output subsystem. The computer interlocking system has the advantages of suitability for moving block, moving-like block and fixing block with high flexibility; the insurance of safety and reliability of system communication coming from the existence of a standard and safe communication port of the ATS system and ATP system ground ZC; and the support of the three modes of regularity, degradation and backup.

The invention belongs to the technical field of urban mass transit and particularly relates to an energy-saving method of train operation of the urban mass transit. The energy-saving method comprises the steps of 1, analyzing operation matching rules of adjacent trains and computing the size of utilized regeneration energy; 2, establishing an optimization model of the train operation by taking the utilized regeneration energy as the target; 3, solving the optimization model to obtain an energy-saving time table of the train operation of the urban mass transit. By means of the energy-saving method, energy consumption during train operation is reduced, and security of an overhead line system is improved. Furthermore, the energy-saving method has the advantages of (1) being high in operation speed and applicable to large-scale computer simulation by adopting an integer programming method; (2) considering comprehensive factors, being high in modeling accuracy and strong in applicability of the planned operation time table; (3) being capable of embedded into hardware of a train energy-saving driving auxiliary system in an online mode, easy to implement, low in cost and wide in application range.

The high speed magnetic suspension train operation control system includes central system in the control center, divisional systems in the stations and transformer stations beside rail, and vehicular systems on trains. The central system includes control system, fault diagnosing system and operation simulating system with safety computer system to raise the safety and the efficiency magnetic suspension train system. The divisional system consists of divisional safety control and managing system, drive control and speed limiting system, switch control system and powering and measuring system, and has modular safety computer. The vehicular system has two independent safety control and speed limiting systems for raised reliability. All the systems are connected via radio or wired communication network.

A CTCS2-class train control system based on wireless locomotive signals is a pint-to-point system for transmitting the train control information via passive responder, regional rail circuit and wireless channel. It is composed of the locomotive carried equipment consisting of ATP device and wireless signaling device, and the ground equipment consisting of wireless signaling device, responder, rail circuit ZPW2000, interface for computer or electric centralizing linkage 6502, and interface for train scheduling and command system or scheduling centralizing system (TDCS or CTC).

A virtual blocking system based on radio locomotive signal comprises locomotive unit including train monitoring component, locomotive component of radio locomotive signal and satellite positioning module; ground unit including train station virtual blocking machine, ground component of radio locomotive signal, interlocking interface circuit, CTC interface circuit, GPS interface circuit, microprocessor interface circuit and next station block machine interface circuit; radio communication unit applying 450 MH2 digital transmission radio station or GPS-R radio device.

The present disclosure relates to an apparatus and method for controlling speed in an automatic train operation, capable of estimating and controlling a speed at which a train should run at each position where the train will run in order to satisfy a restrictive speed profile and to make passengers comfortable by observing acceleration limit and jerk limit in case of accelerating or decelerating the train.

The application provides a train slipping or idling detection method and device. The method comprising: acquiring a measured speed value detected by an axle sensor, and obtaining a filtered measured speed value; calculating a predicted speed value; estimating a first speed difference ratio according to the predicted speed value and the filtered measured speed value; acquiring a radar speed measurement value obtained by a Doppler radar, and obtaining a filtered radar speed measurement value; acquiring a measured acceleration value obtained by an acceleration sensor; calculating a theoretical speed value; calculating an average speed value of the filtered radar speed measurement value and the theoretical speed value, and calculating a second speed difference ratio according to the estimatedspeed value and the average speed value; calculating a difference ratio between the first speed difference value and the second speed difference ratio; and judging whether the train slips or idles based on the difference ratio and the running state of the train. The method can improve the detection accuracy and then improve the speed compensation accuracy.

The invention discloses a train tracking interval real-time early warning system based on CTC (central traffic control) and an early warning method, which belong to the field of high-speed train safety control technology. A dispatching center subsystem early warning server of the system consists of an early warning server and a dispatching command output unit, an application server of the dispatching center subsystem consists of a train number tracking unit and a wireless checking unit, vehicular equipment comprises a wireless train number vehicular encoder, and the system comprises a wireless train number decoder. The method includes acquiring a train number from decoded train comprehensive information by the aid of the wireless checking unit, comparing the acquired train number with a train number obtained by the train number tracking unit, and acquiring an accurate and reliable train number; and computing tracking intervals of a train by the aid of the early warning server, and controlling the dispatching command output unit to output control instruction according to a computation result. The train tracking interval real-time early warning system based on CTC and the early warning method form double channels with an ATP (automatic train protection) computation tracking interval method, a monitoring effect for a train tracking interval ATP control effect is realized, and integral safety of a train control system is improved.

The invention relates to a realization method based on the CPCI bus technology of the dual module hot spare system switching. The realization method is characterized by comprising the following steps: 1) the cabs at the head and tail of a train are separately provided with an ATP and two ATOs, the ATP adopts 2-out-of-3 architecture, the same ATOs (ATO1, ATO2) are hot spares to each other; 2) when the train runs normally, only the ATPs and ATO of the front head cab in the advancing direction work, the tail cab is powered off; when the train enters a turning section, a driver in the head cab of the original advancing direction presses an AR button on the driving platform to power on the ATPs and ATO of the tail cab; the ATPs and ATO of the head cab and the ATPs and ATO of the tail cab exchange information, the driving privilege is exchanged according to the driving direction so that the original tail cab is reversed to become the head cab, the ATPs and ATO of the original head cab are powered off; and 3) the redundancy automatic switching of one ATO adopts the dual module hot spare mode. The system of the invention has simple hardware configuration, lower system cost and abundant interfaces and is convenient to test and debug.