CN110901697B - Train temporary speed limit issuing method and system based on track circuit - Google Patents
Train temporary speed limit issuing method and system based on track circuit Download PDFInfo
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- CN110901697B CN110901697B CN201911067790.4A CN201911067790A CN110901697B CN 110901697 B CN110901697 B CN 110901697B CN 201911067790 A CN201911067790 A CN 201911067790A CN 110901697 B CN110901697 B CN 110901697B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L23/00—Control, warning, or like safety means along the route or between vehicles or vehicle trains
Abstract
The invention provides a train temporary speed limit issuing method and a train temporary speed limit issuing system based on a track circuit, wherein the method comprises the following steps: s1, receiving temporary speed limit information in the speed limit section and normal signal authorization information in the speed limit section by using a track circuit, and sending the temporary speed limit information and the normal signal authorization information to track circuit information reading equipment; s2, the track circuit information reading equipment receives the temporary speed limit information and the normal signal authorization information, demodulates the temporary speed limit information and the normal signal authorization information to obtain demodulated temporary speed limit information and demodulated normal signal authorization information, and sends the demodulated temporary speed limit information and the demodulated normal signal authorization information to a vehicle-mounted ATP subsystem, so that compared with the existing wireless mode, the temporary speed limit is issued in real time without depending on the wireless network coverage area and the wireless network communication quality; the range of the controlled train for the temporary speed limit command is expanded.
Description
Technical Field
The invention relates to a train control system, in particular to a train temporary speed limit issuing method and system based on a track circuit.
Background
The temporary Speed limit tsr (temporal Speed restriction) is defined as a Speed limit having real-time performance on a railway line except for a fixed Speed limit due to geographical conditions and the like of each section of the line. According to different dividing conditions, the temporary speed limit is specifically divided into two types: natural disasters (such as debris flow, flood, landslide and falling objects), sudden speed limit caused by line faults (such as rail faults and equipment faults) and planned speed limit caused by line maintenance, construction and the like.
A Chinese Train Control System (China Train Control System), namely a CTCS System, is a Train Control System which is set according to international standards in China and combined with national conditions in China from the aspect of requirements and is suitable for railway development in China, and is divided into 5 grades from CTCS-0 to CTCS-4 according to functional requirements and equipment configuration; the CTCS-3 system is a train operation control system for checking the occupation of a train based on GSM-R transmission information and by adopting a track circuit and other modes, is oriented to a speed-up trunk line, a high-speed new line or a special line (300 km/h-350 km/h), and is compatible with a CTCS-2 system.
The temporary speed limit application mode of the existing railway system is mainly the combination of a CTCS-3 system and temporary speed limit, namely, the CTCS-3 system is adopted to issue a temporary speed limit command, and the specific process comprises the following steps: the temporary speed limit server (TSRS) receives a temporary speed limit command issued by a dispatching centralized system (CTC), the temporary speed limit server (TSRS) automatically splits the temporary speed limit command according to the starting point of a speed limit area, the end point of the speed limit area and the speed limit management range of a Radio Block Center (RBC) on a track line corresponding to a line number, then sends the corresponding temporary speed limit command to the RBC, and the RBC transmits the speed limit information to the vehicle-mounted equipment through GSM-R.
The above-mentioned mode of giving down of current interim speed limit has following problem:
1) the method is only suitable for trains of the motor train unit which is in a CTCS-3 level working mode and is provided with CTCS-3 level vehicle-mounted ATP, and is not suitable for common locomotives;
2) wireless network coverage area applicable only to GSM-R; the requirement on the wireless network communication quality of the GSM-R is high;
3) the temporary speed limit information cannot be transmitted to the train in one way by the ground equipment, and the train receipt information is required;
4) the temporary speed limit information and the normal signal authorization information are sent separately, and the condition that only the normal signal authorization information is received but the temporary speed limit information is not received can occur, so that the traffic safety problem is caused;
5) when the temporary speed limit is issued, the driver can not be effectively informed through the ground signal machine.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a train temporary speed limit issuing method based on a track circuit, which solves the problems;
the invention is realized by the following technical scheme:
the invention discloses a temporary speed-limiting issuing method of a train based on a track circuit, which comprises the following steps:
s1, receiving temporary speed limit information in the speed limit section and normal signal authorization information in the speed limit section by using a track circuit, and sending the temporary speed limit information and the normal signal authorization information to track circuit information reading equipment;
and S2, the track circuit information reading equipment receives the temporary speed limit information and the normal signal authorization information, demodulates the temporary speed limit information and the normal signal authorization information to obtain demodulated temporary speed limit information and demodulated normal signal authorization information, and sends the demodulated temporary speed limit information and the demodulated normal signal authorization information to the vehicle-mounted ATP subsystem.
Further, in step S1, the method further includes receiving, by the track circuit, temporary speed limit advance notice information of a rear section of the speed limit section where the temporary speed limit advance notice information is located, and sending the temporary speed limit advance notice information to the track circuit information reading device;
further, in step S2, the track circuit information reading device further receives the temporary speed limit advance notice information, demodulates the temporary speed limit advance notice information to obtain demodulated temporary speed limit advance notice information, and sends the demodulated temporary speed limit advance notice information to the vehicle-mounted ATP subsystem.
Further, before the step S1, the method further includes a step S0: the interlocking subsystem receives the split temporary speed limiting command, corresponds the temporary speed limiting command to the speed limiting section, files the speed limiting section according to a block partition to obtain temporary speed limiting information in the speed limiting section and normal signal authorization information in the speed limiting section, and sends the temporary speed limiting information and the normal signal authorization information to the track circuit;
the interlocking subsystem also generates temporary speed limit forecast information in a rear section of the speed limit section according to the temporary speed limit information in the speed limit section, and sends the temporary speed limit forecast information to the track circuit.
Further, before the step S0, the method further includes a step S0-1: and the temporary speed limit command generating module generates a temporary speed limit command, splits the temporary speed limit command according to the interlocking jurisdiction range to obtain the split temporary speed limit command and sends the split temporary speed limit command to the interlocking subsystem.
Further, after the step S2, the method further includes a step S3: and the vehicle-mounted ATP subsystem receives the demodulated temporary speed limit information, the demodulated normal signal authorization information and the demodulated temporary speed limit forecast information, generates a train control curve by combining line data and train information, and controls the speed of the train to be reduced to the temporary speed limit according to the train control curve in a speed limit section.
Temporary train speed limit issuing system based on track circuit includes:
the track circuit receives temporary speed limit information in the speed limit section and normal signal authorization information in the speed limit section, and sends the temporary speed limit information and the normal signal authorization information to track circuit information reading equipment;
and the track circuit information reading equipment is used for receiving the temporary speed limit information and the normal signal authorization information, demodulating the temporary speed limit information and the normal signal authorization information to obtain demodulated temporary speed limit information and demodulated normal signal authorization information, and sending the demodulated temporary speed limit information and the demodulated normal signal authorization information to the vehicle-mounted ATP subsystem.
Further, the track circuit also receives temporary speed limit advance notice information of a rear section of the speed limit section, and sends the temporary speed limit advance notice information to track circuit information reading equipment;
and the track circuit information reading equipment receives the temporary speed limit advance notice information, demodulates the temporary speed limit advance notice information to obtain the demodulated temporary speed limit advance notice information, and sends the demodulated temporary speed limit advance notice information to the vehicle-mounted ATP subsystem.
The interlocking subsystem receives the split temporary speed limit command, corresponds the temporary speed limit command to the speed limit section, obtains temporary speed limit information in the speed limit section and normal signal authorization information in the speed limit section, and sends the temporary speed limit information and the normal signal authorization information to the track circuit;
the interlocking subsystem also generates temporary speed-limiting forecast information in a rear section of the speed-limiting section according to the temporary speed-limiting information in the speed-limiting section, and sends the temporary speed-limiting forecast information to the track circuit.
The temporary speed limit command generating module generates a temporary speed limit command, splits the temporary speed limit command according to the interlocking jurisdiction range to obtain the split temporary speed limit command, and sends the split temporary speed limit command to the corresponding interlocking subsystem.
And the vehicle-mounted ATP subsystem receives the demodulated temporary speed limit information, the demodulated normal signal authorization information and the demodulated temporary speed limit advance information, generates a train control curve by combining line data and train information, and controls the speed of the train to be reduced to the temporary speed limit according to the train control curve in a speed limit section.
Compared with the closest prior art, the technical scheme of the invention has the following beneficial effects:
the invention provides a train temporary speed limit issuing method based on a track circuit, which adopts the track circuit as a transmission medium for issuing the train temporary speed limit, compared with the existing wireless mode, realizes the real-time issuing of the temporary speed limit, and does not depend on the wireless network coverage area and the wireless network communication quality; the method is not only suitable for trains of motor train units which are in a CTCS-3 level working mode and are equipped with CTCS-3 level vehicle-mounted ATP, but also suitable for common locomotives, and the range of controlled trains for temporary speed limit commands is expanded; the temporary speed limit information is transmitted to the train in one way by the ground equipment without train receipt information; the temporary speed limit information and the normal signal authorization information are sent together, so that the condition that only the normal signal authorization information is received but the temporary speed limit information is not received does not occur, and the driving safety is guaranteed; while issuing temporary speed limit, the display of a ground signal machine can be synchronously changed to remind a driver to pay attention, so that the driving safety is further ensured; the train running on line can obtain temporary speed limit advance notice information in time, and the driving safety is further guaranteed.
The train temporary speed-limiting issuing system based on the track circuit provided by the invention adopts the track circuit information reading equipment as a transmission channel between the track circuit and the vehicle-mounted ATP subsystem, does not need to add additional equipment, simplifies the system and reduces the cost.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic flow chart of a temporary speed limit issuing method of a train based on a track circuit according to the invention;
FIG. 2 is a block diagram of the temporary speed-limiting issuing system of the train based on the track circuit according to the present invention;
FIG. 3 is a block diagram of the structural connections between the interlock host and the ZPW-2000 track circuit in an embodiment of the present invention;
fig. 4 is a schematic diagram of a typical application of the temporary speed limit of the present invention.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments of the present invention, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, the temporary speed limit issuing method of the train based on the track circuit of the invention comprises the following steps:
a dispatcher draws up a temporary speed limit instruction in the comprehensive dispatching system, a temporary speed limit instruction generating module generates a temporary speed limit instruction according to the drawn-up temporary speed limit instruction, the temporary speed limit instruction is split according to an interlocking administration range to obtain the split temporary speed limit instruction, and then the split temporary speed limit instruction is sent out through a network and sent to a corresponding interlocking subsystem;
the temporary speed limit command at least comprises a speed limit value, a starting point of a speed limit area, a terminal point of the speed limit area, a line number, a dispatching command number and a station number;
the interlocking subsystem receives the split temporary speed limit command, corresponds the temporary speed limit command and a speed limit section to which the temporary speed limit command is issued, files the speed limit section according to a block partition to obtain temporary speed limit information in the speed limit section and normal signal authorization information in the speed limit section, and then sends the temporary speed limit information and the normal signal authorization information to the track circuit;
the interlocking subsystem also generates temporary speed limit advance notice information in a rear section of the speed limit section according to the obtained temporary speed limit information and sends the temporary speed limit advance notice information to the track circuit, wherein the sending range of the temporary speed limit advance notice information is comprehensively determined according to the track circuit speed, the length of the interlocking administration partition, the current running direction of the section and other information;
the track circuit receives temporary speed limit information in a speed limit section, normal signal authorization information in the speed limit section and temporary speed limit advance notice information in a section behind the speed limit section, and then sends the temporary speed limit information and the normal signal authorization information to the steel rail, specifically, the information is sent to the steel rail by adopting an FSK (frequency shift keying) processing mode, the information is sent to track circuit information reading equipment through the steel rail, and meanwhile, the train occupancy checking operation is completed;
the track circuit information reading equipment receives and demodulates information (temporary speed limit information, normal signal authorization information and temporary speed limit advance notice information) sent by a steel rail to obtain temporary speed limit information, and then sends the information to the vehicle-mounted ATP subsystem after the information is demodulated;
the vehicle-mounted ATP subsystem receives the demodulation information, generates a train control curve by combining line data and train information, controls the train to reduce the speed of the train to be below the temporary speed limit requirement in the temporary speed limit section according to the generated train control curve, and preferably controls the train to reduce the self running speed to be within the temporary speed limit when the train does not reach the temporary speed limit section.
Above-mentioned method is assigned to interim speed limit adopts the track circuit as the transmission medium that train interim speed limit was assigned, compares in current wireless mode, and concretely following advantage:
1. the temporary speed limit is issued in real time without depending on the wireless network coverage area and the wireless network communication quality;
2. the method is not only suitable for trains of motor train units which are in a CTCS-3 level working mode and are equipped with CTCS-3 level vehicle-mounted ATP, but also suitable for common locomotives, and the range of controlled trains for temporary speed limit commands is expanded;
3. the temporary speed limit information is transmitted to the train in one way by the ground equipment without train receipt information;
4. the temporary speed limit information and the normal signal authorization information are sent together, so that the condition that only the normal signal authorization information is received but the temporary speed limit information is not received does not occur, and the driving safety is guaranteed;
5. while issuing temporary speed limit, the display of a ground signal machine can be synchronously changed to remind a driver to pay attention, so that the driving safety is further ensured;
6. the train running on line can obtain temporary speed limit advance notice information in time, and the driving safety is further guaranteed.
In order to implement the temporary speed limit issuing method, a temporary speed limit issuing system of a train based on a track circuit is provided corresponding to the temporary speed limit issuing method of a train based on a track circuit, as shown in fig. 2, the system specifically includes:
the temporary speed limit command generating module receives a temporary speed limit instruction drawn by a dispatcher in the comprehensive dispatching system, generates a temporary speed limit command according to the drawn temporary speed limit instruction, splits the generated temporary speed limit command according to the interlocking jurisdiction range to obtain the split temporary speed limit command and then sends the split temporary speed limit command to a corresponding interlocking subsystem;
the temporary speed limit command generating module can adopt a temporary speed limit server (TSRS), but is not limited to the temporary speed limit server, and a person skilled in the art can adopt equipment for realizing the same function or function according to the needs and convenience;
when a temporary speed limiting server (TSRS) is adopted, the temporary speed limiting command can also carry a comprehensive scheduling system number and a dispatcher ID, the TSRS applies the comprehensive scheduling system number and the dispatcher ID to carry out validity verification on the temporary speed limiting information, whether the comprehensive scheduling system and the dispatcher have control authority or not is checked, and the safety of the train control speed limiting setting is further guaranteed.
The interlocking subsystem receives the split temporary speed limit command, archives the temporary speed limit command according to a block partition, and obtains temporary speed limit information in the speed limit section and normal signal authorization information in the speed limit section corresponding to the temporary speed limit command;
the interlocking subsystem also generates temporary speed limit forecast information in a rear section of the speed limit section according to the temporary speed limit information in the speed limit section and sends the temporary speed limit forecast information to the track circuit;
the interlocking subsystem can adopt the existing interlocking equipment; the interlocking host shown in fig. 3 may also be adopted, where the interlocking host includes an interlocking host a and an interlocking host B, the interlocking host a and the interlocking host B receive temporary speed-limiting commands from the temporary speed-limiting server, respectively, the interlocking host a is connected with the track circuit communication interface unit host in the form of a CAN bus, the interlocking host B is connected with the track circuit communication interface unit backup in the form of a CAN bus, the track circuit communication interface unit host is connected with the track circuit frequency shift cabinet in the form of a CAN bus, the track circuit communication interface unit backup is connected with the track circuit frequency shift cabinet in the form of a CAN bus, and the interlocking host a or the interlocking host B sends the coding information of the temporary speed-limiting information and the temporary speed-limiting advance notice information to the track circuit in the above connection manner.
The track circuit receives the temporary speed limit information, the normal signal authorization information and the temporary speed limit advance notice information, then sends the temporary speed limit information, the normal signal authorization information and the temporary speed limit advance notice information to the steel rail, and particularly sends the information to the steel rail by adopting an FSK (frequency shift keying) processing mode, and meanwhile finishes train occupancy checking operation;
the track circuit can adopt an uninsulated frequency shift track circuit, and the specific type can adopt a ZPW-2000 type track circuit;
specifically, for the information sent by the interlock host, the ZPW-2000 type track circuit receives the encoded information of the temporary speed limit information, the normal signal authorization information, and the temporary speed limit advance notice information through the ZPW-2000 frequency shift cabinet shown in fig. 3, and then sends the encoded information of the temporary speed limit information, the normal signal authorization information, and the temporary speed limit advance notice information to the steel track;
as shown in the following table, a transmitter device based on a track circuit of ZPW-2000 series can transmit 18 pieces of low frequency information (information modulated by FSK method) to a steel rail, transmit LS-V (V1, V2, V3 can take different speed limit values as required) or LS-V (V1, V2, V3) -0 information to a track circuit of a section with a temporary speed limit in a section and a main track in a station, transmit temporary speed limit advance notice information DS-V (V1, V2, V3) to a section behind a train operation, and transmit corresponding information to track circuits of other sections according to the number of vacant blocks in front.
TABLE 1
Note: the code sequence names in the table are only illustrative and can be modified into other names according to needs.
The track circuit information reading equipment demodulates the information (temporary speed limit information, normal signal authorization information and temporary speed limit forecast information) sent by the steel rail, and sends the information to the vehicle-mounted ATP subsystem after the information demodulation is finished;
the track circuit information reading device can specifically adopt a track circuit information reader (TCR) in a track circuit to complete receiving, demodulating and sending of the information, specifically, the TCR receives the temporary speed limit information and the temporary speed limit advance notice information sent by a steel rail through a track circuit receiving antenna (receiving coil) arranged in front of a first wheel pair of the locomotive, demodulates the information to obtain demodulated information corresponding to the temporary speed limit information and the temporary speed limit advance notice information, and the TCR sends the demodulated information to the vehicle-mounted ATP subsystem;
and a track circuit information reader (TCR) is used as a transmission channel between the track circuit and the vehicle-mounted ATP subsystem, so that additional equipment is not required, the complexity of system construction is reduced, and the system operation cost is also reduced.
The vehicle-mounted ATP subsystem receives the demodulation information, generates a train control curve by combining line data and train information in the self system, controls the train to reduce the speed of the train to be below the temporary speed limit requirement in the temporary speed limit section according to the generated train control curve, and preferably controls the train to reduce the running speed of the train to be within the temporary limit speed when the train does not reach the temporary speed limit section; the vehicle-mounted ATP subsystem can specifically adopt the existing vehicle-mounted ATP equipment.
As shown in fig. 4, in combination with the information in table 1, the ZPW-2000 track circuit receives the speed limit information of temporary speed limit of 45km/h in the track circuit 17G section, and each section of the track circuit sends the following information to the ATP subsystem on board via TCR: the 17G section transmits temporary speed limit LS-V1 information, the 15G section transmits DS-V1 information, the 13G section transmits F1 information, the 11G section transmits F2 information, and the 09G section transmits F0 information, and then the vehicle-mounted ATP subsystem generates a train control curve for limiting the speed at 45km/h in the 17G section and controls the train to reduce the speed to 45km/h in front of the 17G section.
Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art can make modifications and equivalents to the embodiments of the present invention without departing from the spirit and scope of the present invention, which is set forth in the claims of the present application.
Claims (10)
1. A train temporary speed limit issuing method based on a track circuit is characterized by comprising the following steps:
s0: the interlocking subsystem receives the split temporary speed limiting command, corresponds the temporary speed limiting command to the speed limiting section, files the speed limiting section according to a block partition to obtain temporary speed limiting information in the speed limiting section and normal signal authorization information in the speed limiting section, and sends the temporary speed limiting information and the normal signal authorization information to the track circuit;
s1, receiving temporary speed limit information in the speed limit section and normal signal authorization information in the speed limit section by using a track circuit, and sending the temporary speed limit information and the normal signal authorization information to track circuit information reading equipment;
and S2, the track circuit information reading equipment receives the temporary speed limit information and the normal signal authorization information, demodulates the temporary speed limit information and the normal signal authorization information to obtain demodulated temporary speed limit information and demodulated normal signal authorization information, and sends the demodulated temporary speed limit information and the demodulated normal signal authorization information to the vehicle-mounted ATP subsystem.
2. The temporary speed-limiting issuing method of train based on track circuit as claimed in claim 1, wherein in step S1, further comprising receiving temporary speed-limiting advance notice information of a section behind the speed-limiting section by using the track circuit, and sending the temporary speed-limiting advance notice information to the track circuit information reading device;
in step S2, the track circuit information reading device further receives the temporary speed limit advance notice information, demodulates the temporary speed limit advance notice information to obtain demodulated temporary speed limit advance notice information, and sends the demodulated temporary speed limit advance notice information to the vehicle-mounted ATP subsystem.
3. The track circuit-based temporary speed limit issuing method for trains according to claim 2, wherein, before the step S1,
the interlocking subsystem also generates temporary speed limit forecast information in a rear section of the speed limit section according to the temporary speed limit information in the speed limit section, and sends the temporary speed limit forecast information to the track circuit.
4. The track circuit-based temporary speed limit issuing method for trains according to claim 3, characterized by further comprising, before the step S0, the step S0-1: and the temporary speed limit command generating module generates a temporary speed limit command, splits the temporary speed limit command according to the interlocking jurisdiction range to obtain the split temporary speed limit command and sends the split temporary speed limit command to the interlocking subsystem.
5. The track circuit-based temporary speed limit issuing method for trains according to claim 4, further comprising a step S3 after the step S2 of: and the vehicle-mounted ATP subsystem receives the demodulated temporary speed limit information, the demodulated normal signal authorization information and the demodulated temporary speed limit forecast information, generates a train control curve by combining line data and train information, and controls the speed of the train to be reduced to the temporary speed limit according to the train control curve in a speed limit section.
6. System is assigned to interim speed limit of train based on track circuit, its characterized in that includes:
the interlocking subsystem receives the split temporary speed limiting command, corresponds the temporary speed limiting command to the speed limiting section in which the temporary speed limiting command is located, obtains temporary speed limiting information in the speed limiting section in which the temporary speed limiting command is located and normal signal authorization information in the speed limiting section in which the temporary speed limiting command is located, and sends the temporary speed limiting information and the normal signal authorization information to the track circuit;
the track circuit receives temporary speed limit information in the speed limit section and normal signal authorization information in the speed limit section, and sends the temporary speed limit information and the normal signal authorization information to track circuit information reading equipment;
and the track circuit information reading equipment is used for receiving the temporary speed limit information and the normal signal authorization information, demodulating the temporary speed limit information and the normal signal authorization information to obtain demodulated temporary speed limit information and demodulated normal signal authorization information, and sending the demodulated temporary speed limit information and the demodulated normal signal authorization information to the vehicle-mounted ATP subsystem.
7. The track circuit-based train temporary speed limit issuing system according to claim 6,
the track circuit also receives temporary speed-limiting forecast information of a rear section of the speed-limiting section, and sends the temporary speed-limiting forecast information to track circuit information reading equipment;
and the track circuit information reading equipment receives the temporary speed limit advance notice information, demodulates the temporary speed limit advance notice information to obtain the demodulated temporary speed limit advance notice information, and sends the demodulated temporary speed limit advance notice information to the vehicle-mounted ATP subsystem.
8. The track circuit-based train temporary speed limit issuing system according to claim 7, further comprising,
the interlocking subsystem also generates temporary speed-limiting forecast information in a rear section of the speed-limiting section according to the temporary speed-limiting information in the speed-limiting section, and sends the temporary speed-limiting forecast information to the track circuit.
9. The train temporary speed-limiting issuing system based on the track circuit according to claim 8, further comprising a temporary speed-limiting command generating module, wherein the temporary speed-limiting command generating module generates a temporary speed-limiting command, splits the temporary speed-limiting command according to an interlocking jurisdiction range to obtain the split temporary speed-limiting command, and sends the split temporary speed-limiting command to the corresponding interlocking subsystem.
10. The track circuit-based train temporary speed-limiting issuing system of claim 9, further comprising a vehicle-mounted ATP subsystem for receiving the demodulated temporary speed-limiting information, the demodulated normal signal authorization information and the demodulated temporary speed-limiting advance notice information, generating a train control curve by combining line data and train information, and controlling the train speed to decrease to the temporary speed-limiting range according to the train control curve in the speed-limiting section.
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| CN201911067790.4A CN110901697B (en) | 2019-11-04 | 2019-11-04 | Train temporary speed limit issuing method and system based on track circuit |
| PCT/CN2020/108404 WO2021088447A1 (en) | 2019-11-04 | 2020-08-11 | Temporary train speed restriction delivery method and system employing track circuit |
| PCT/CN2020/121772 WO2021088627A1 (en) | 2019-11-04 | 2020-10-19 | Temporary train speed restriction command issuing method and system based on track circuit |
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| CN201911067790.4A CN110901697B (en) | 2019-11-04 | 2019-11-04 | Train temporary speed limit issuing method and system based on track circuit |
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| CN110901697B (en) * | 2019-11-04 | 2021-07-23 | 北京全路通信信号研究设计院集团有限公司 | Train temporary speed limit issuing method and system based on track circuit |
| CN112698377B (en) * | 2021-03-25 | 2021-07-06 | 北京全路通信信号研究设计院集团有限公司 | High-precision train positioning method and system |
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| CN105620518B (en) * | 2016-03-03 | 2017-06-16 | 北京交通大学 | A kind of train control system and method for being adapted to Existing railway promotion |
| CN107380212A (en) * | 2017-05-19 | 2017-11-24 | 中国神华能源股份有限公司 | Movable block degraded running system and method |
| CN107161179A (en) * | 2017-05-25 | 2017-09-15 | 中国铁道科学研究院通信信号研究所 | Suitable for the running control system of general fast railway |
| CN110341759B (en) * | 2019-05-31 | 2021-07-20 | 北京全路通信信号研究设计院集团有限公司 | Station inner side line vehicle receiving control method |
| CN110901697B (en) * | 2019-11-04 | 2021-07-23 | 北京全路通信信号研究设计院集团有限公司 | Train temporary speed limit issuing method and system based on track circuit |
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2019
- 2019-11-04 CN CN201911067790.4A patent/CN110901697B/en active Active
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2020
- 2020-08-11 WO PCT/CN2020/108404 patent/WO2021088447A1/en active Application Filing
- 2020-10-19 WO PCT/CN2020/121772 patent/WO2021088627A1/en active Application Filing
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| WO2021088627A1 (en) | 2021-05-14 |
| CN110901697A (en) | 2020-03-24 |
| WO2021088447A1 (en) | 2021-05-14 |
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