CN102424050B - Energy-saving control method and system of automatic train operation system of train - Google Patents
Energy-saving control method and system of automatic train operation system of train Download PDFInfo
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Abstract
The invention discloses an energy-saving control method and system of an automatic train operation system of a train and relates to the technical field of automatic driving of the train. The method comprises the following steps: S1: inquiring a database according to the service time of an interval plan to get a corresponding speed upper limit and a speed threshold of the train; S2: controlling the speed of the train by providing traction force to achieve the speed upper limit; S3: providing the traction force and removing the traction force repeatedly so as to control the speed of the train between the speed upper limit and the speed threshold; S4: providing brake force to control the speed of the train to be reduced gradually; and S5: providing the brake force which is more stable and enabling the train to be precisely and stably stopped in the preset position. As for the method, the speed upper limit and the speed threshold of the train of the ATO (automatic train operation) system can be obtained through the inquiry way, thereby reducing the complexity of the control method of the train, saving energy and being contributed to engineering implementation.
Description
Technical field
The present invention relates to train automatic Pilot technical field, particularly a kind of train personal vehicle system energy-saving control method and system.
Background technology
By large quantity research both domestic and external, generally approve that at present train personal vehicle system (ATO) should adopt following driving strategy to reach energy-conservation object: departures apply maximum traction and reach interval cruising speed, in the process of cruising, remain a constant speed as far as possible, and reduce the frequency of braking as far as possible, while approaching platform, adopt disposable continuous stopping-down.Basic run curve as shown in Figure 1.
Such strategy is more fixing in departures traction and the algorithm in inlet parking stage, needs to take into account energy-conservation and operating efficiency by draw/coasting of adjustment strategy in the process of cruising.
The current algorithm research for traction/coasting strategy in the process of cruising, general comparatively advanced method of calculating and the control theory of using, as use neuroid, genetic algorithm etc., this class algorithm can pass through iterative process conventionally, utilize the speed advantage of computing machine, accurately find the switching point of traction and coasting, and can realize the accurate control of section operation time-division.
The defect of said method is, arithmetic capability to computing machine is had relatively high expectations, be generally used for theoretical simulation, vehicle-mounted ATO system is as the embedded system that computing real-time is had higher requirements, the financial cost that realizes said method is relatively high, be unfavorable for Project Realization, complicated on-line Algorithm, for test has brought certain difficulty, is unfavorable for engineering verification simultaneously.
Summary of the invention
(1) technical matters that will solve
The technical problem to be solved in the present invention is: how to reduce the complexity of control method, realize the energy-conservation automatic Pilot of train, and be beneficial to Project Realization.
(2) technical scheme
For solving the problems of the technologies described above, the invention provides a kind of train personal vehicle system energy-saving control method, said method comprising the steps of:
S1: according to interval plan service time Query Database, obtain speed limit and the speed threshold of corresponding train, have the corresponding relation between speed limit and the speed threshold of service time and train in described data bank;
S2: train is introduced into acceleration phase in the process of train operation, in the acceleration phase of train operation, arrives described speed limit by the speed that tractive force control train is provided, and train operation enters cruising phase;
S3: in the cruising phase of train operation, first remove tractive force, in the time that the speed of train drops to described speed threshold, tractive force is provided again, make the speed of train return to again described speed limit, tractive force is provided repeatedly and removes tractive force, the speed of train is controlled between described speed limit and described speed threshold, until train enters the deboost phase of entering the station;
S4: entering the station the deboost phase of train operation, provide brake-power control train speed to reduce gradually, until train enters accurate shutdown phase;
S5: in the accurate shutdown phase of train operation, provide more stable braking force, and train is accurately come to a complete stop at predeterminated position.
Preferably, before step S1, also comprise step:
S0: obtain the interval plan service time of train in current interval.
Preferably, the corresponding relation between the service time in step S1 and speed limit and the speed threshold of train obtains by following steps:
S101: the maximum speed that the speed limit of the train in current interval and speed threshold is all made as to train and allows operation in current interval, when calculating the speed limit of the train in current interval and speed threshold and being equal to the maximum speed that train allows to move in current interval, the shortest service time of train operation, and deposit the corresponding relation between the shortest described service time and speed limit and the speed threshold of train in described data bank;
S102: the shortest described service time and interval standard service time are compared, if the shortest described service time is less than the described interval standard service time, perform step S103, otherwise do not carry out subsequent step;
S103: whether the value that judges described speed threshold is greater than zero, if so, performs step S104, otherwise the value of described speed threshold is got to zero, and perform step S107;
S104: described speed threshold is reduced to the first pre-set velocity interval, and calculate the current service time, current service time and described interval standard service time are compared, if the current service time is less than or equal to the described interval standard service time, perform step S105, otherwise do not carry out subsequent step;
S105: whether the residual quantity that judges current service time and the shortest service time is the integral multiple of default time gap, if, deposit speed limit and the speed threshold of current service time and the train corresponding with it in described data bank, and perform step S106, otherwise execution step S103;
S106: judge whether to reach the first default cycle number, if so, do not carry out subsequent step, otherwise execution step S103;
S107: whether the value that judges described speed limit is greater than zero, if so, performs step S108, otherwise, do not carry out subsequent step;
S108: described speed limit is reduced to the second pre-set velocity interval, and calculate the current service time, current service time and described interval standard service time are compared, if the current service time is less than or equal to the described interval standard service time, perform step S109, otherwise do not carry out subsequent step;
S109: whether the residual quantity that judges current service time and the shortest service time is the integral multiple of default time gap, if so, deposit speed limit and the speed threshold of current service time and the train corresponding with it in described data bank, and perform step S110, otherwise, execution step S107;
S110: judge whether to reach the second default cycle number, if so, do not carry out subsequent step, otherwise execution step S107.
The invention also discloses a kind of train personal vehicle system energy-saving control system, described system comprises:
Enquiry module, for according to interval plan service time Query Database, obtains speed limit and the speed threshold of corresponding train, has the corresponding relation between speed limit and the speed threshold of service time and train in described data bank;
Acceleration phase control module, is introduced into acceleration phase for the process train in train operation, in the acceleration phase of train operation, arrives described speed limit by the speed that tractive force control train is provided, and train operation enters cruising phase;
Cruising phase control module, for the cruising phase in train operation, first remove tractive force, in the time that the speed of train drops to described speed threshold, tractive force is provided again, makes the speed of train return to again described speed limit, tractive force is provided repeatedly and removes tractive force, the speed of train is controlled between described speed limit and described speed threshold, until train enters the deboost phase of entering the station;
Deboost phase control module, for the entering the station the deboost phase of train operation, provides brake-power control train speed to reduce gradually, until train enters accurate shutdown phase;
Shutdown phase control module, for the accurate shutdown phase in train operation, provides more stable braking force, and train is accurately come to a complete stop at predeterminated position.
Preferably, described system also comprises:
Planned time acquisition module, for obtaining the interval plan service time of train in current interval.
Preferably, the corresponding relation between speed limit and the speed threshold of the service time in enquiry module and train is by obtaining with lower module:
Submodule is set, in current interval, allows for the speed limit of the train in current interval and speed threshold being all made as to train the maximum speed of moving, when calculating the speed limit of the train in current interval and speed threshold and being equal to the maximum speed that train allows to move in current interval, the shortest service time of train operation, and deposit the corresponding relation between the shortest described service time and speed limit and the speed threshold of train in described data bank;
Comparison sub-module, for the shortest described service time and interval standard service time are compared, if the shortest described service time is less than the described interval standard service time, carries out First Speed and judges submodule, otherwise do not carry out subsequent module;
First Speed judges submodule, whether is greater than zero for the value that judges described speed threshold, if so, carries out First Speed and reduces submodule, otherwise the value of described speed threshold is got to zero, and carry out second speed and judge submodule;
First Speed reduces submodule, for described speed threshold is reduced to the first pre-set velocity interval, and calculate the current service time, current service time and described interval standard service time are compared, if the current service time is less than or equal to the described interval standard service time, carry out very first time interval and judge submodule, otherwise do not carry out subsequent module;
Very first time interval judges submodule, for judging that whether the residual quantity of current service time and the shortest service time is the integral multiple of default time gap, if, deposit speed limit and the speed threshold of current service time and the train corresponding with it in described data bank, and carry out the first cycle criterion submodule, judge submodule otherwise carry out First Speed;
The first cycle criterion submodule, reaches the first default cycle number for judging whether, does not if so, carry out subsequent module, judges submodule otherwise carry out First Speed;
Second speed judges submodule, whether is greater than zero for the value that judges described speed limit, if so, carry out second speed and reduce submodule, otherwise, do not carry out subsequent module;
Second speed reduces submodule, for described speed limit is reduced to the second pre-set velocity interval, and calculate the current service time, current service time and described interval standard service time are compared, if the current service time is less than or equal to the described interval standard service time, carry out the second time gap and judge submodule, otherwise do not carry out subsequent module;
The second time gap judges submodule, for judging that whether the residual quantity of current service time and the shortest service time is the integral multiple of default time gap, if, deposit speed limit and the speed threshold of current service time and the train corresponding with it in described data bank, and carry out the second cycle criterion submodule, otherwise, carry out second speed and judge submodule;
The second cycle criterion submodule, reaches the second default cycle number for judging whether, does not if so, carry out subsequent module, judges submodule otherwise carry out second speed.
(3) beneficial effect
The present invention obtains speed limit and the speed threshold of the train of ATO system by the mode of inquiry, make the reduced complexity of the control method of train, has realized the energy-conservation automatic Pilot of train, and has been beneficial to Project Realization.
Brief description of the drawings
Fig. 1 is the train running speed curve synoptic diagram of train personal vehicle system;
Fig. 2 be train in the time of cruising phase, adjust the schematic diagram of speed limit of train;
Fig. 3 be train in the time of cruising phase, adjust the schematic diagram of speed threshold of train;
Fig. 4 is according to the diagram of circuit of the train personal vehicle system energy-saving control method of one embodiment of the present invention.
Detailed description of the invention
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.Following examples are used for illustrating the present invention, but are not used for limiting the scope of the invention.
Train departures apply to draw to speed A and start coasting, until speed is reduced to after B, again apply and draw to speed A ... press said process circulation, enter the station after the deboost phase until enter, start to apply braking and finally in station, stop.
Take into account operating efficiency and energy-conservation requirement for ATO is driven simultaneously, therefore proposed following two kinds of power save modes:
One, adjust the speed limit A that applies traction.With reference to Fig. 2, taking speed limit A, 2. as 1. the section operation time of driving will be longer than speed limit A, but for the shorter interval of length, 1. energy-saving effect is better than speed threshold A.
Two, adjust by coasting and transfer the speed threshold B of output traction again to.With reference to Fig. 3, taking speed threshold B, 2. as 1. the section operation time of driving will be longer than speed threshold B, but 1. energy-saving effect is better than speed threshold B.
Therefore, the in the situation that of satisfied in the train operation time, reduce the speed limit of train and/or the value of speed threshold, to realize train energy-saving automatic Pilot as far as possible.
Fig. 4 is according to the diagram of circuit of the train personal vehicle system energy-saving control method of one embodiment of the present invention, with reference to Fig. 4, said method comprising the steps of:
S1: according to interval plan service time Query Database, obtain speed limit and the speed threshold of corresponding train, have the corresponding relation between speed limit and the speed threshold of service time and train in described data bank;
S2: train is introduced into acceleration phase in the process of train operation, in the acceleration phase of train operation, arrives described speed limit by the speed that tractive force control train is provided, and train operation enters cruising phase;
S3: in the cruising phase of train operation, first remove tractive force, in the time that the speed of train drops to described speed threshold, tractive force is provided again, make the speed of train return to again described speed limit, tractive force is provided repeatedly and removes tractive force, the speed of train is controlled between described speed limit and described speed threshold, until train enters the deboost phase of entering the station;
S4: entering the station the deboost phase of train operation, provide brake-power control train speed to reduce gradually, until train enters accurate shutdown phase;
S5: in the accurate shutdown phase of train operation, provide more stable braking force, and train is accurately come to a complete stop at predeterminated position.
Preferably, before step S1, also comprise step:
S0: obtain the interval plan service time of train in current interval.
For simplifying the procurement process of the service time in step S1 and the corresponding relation between speed limit and the speed threshold of train, based on following assumed condition:
(1) departures of ATO algorithm and vehicle performance element common guarantee are drawn to the acceleration/accel in speed A process constant;
(2), after ATO algorithm and the coasting of vehicle performance element common guarantee finish, draw to the acceleration/accel in speed A process constant by speed B;
(3) the enter the station deceleration/decel of braking procedure of ATO algorithm and vehicle performance element common guarantee is constant;
(4) obtain by analysis of history operating data interval coasting time coasting deceleration/decel there is generality.
Can calculate the actual speed curve of ATO driving train based on above-mentioned assumed condition, and obtain the corresponding relation between service time and speed limit and the speed threshold of train in step S1, preferably, the corresponding relation between the service time in step S1 and speed limit and the speed threshold of train obtains by following steps:
S101: the maximum speed that the speed limit of the train in current interval and speed threshold is all made as to train and allows operation in current interval, when calculating the speed limit of the train in current interval and speed threshold and being equal to the maximum speed that train allows to move in current interval, the shortest service time of train operation, and deposit the corresponding relation between the shortest described service time and speed limit and the speed threshold of train in described data bank;
S102: the shortest described service time and interval standard service time are compared, if the shortest described service time is less than the described interval standard service time, perform step S103, otherwise do not carry out subsequent step;
S103: whether the value that judges described speed threshold is greater than zero, if so, performs step S104, otherwise the value of described speed threshold is got to zero, and perform step S107;
S104: described speed threshold is reduced to the first pre-set velocity interval, and calculate the current service time, current service time and described interval standard service time are compared, if the current service time is less than or equal to the described interval standard service time, perform step S105, otherwise do not carry out subsequent step;
S105: whether the residual quantity that judges current service time and the shortest service time is the integral multiple of default time gap, if, deposit speed limit and the speed threshold of current service time and the train corresponding with it in described data bank, and perform step S106, otherwise execution step S103;
S106: judge whether to reach the first default cycle number, if so, do not carry out subsequent step, otherwise execution step S103;
S107: whether the value that judges described speed limit is greater than zero, if so, performs step S108, otherwise, do not carry out subsequent step;
S108: described speed limit is reduced to the second pre-set velocity interval, and calculate the current service time, current service time and described interval standard service time are compared, if the current service time is less than or equal to the described interval standard service time, perform step S109, otherwise do not carry out subsequent step;
S109: whether the residual quantity that judges current service time and the shortest service time is the integral multiple of default time gap, if so, deposit speed limit and the speed threshold of current service time and the train corresponding with it in described data bank, and perform step S110, otherwise, execution step S107;
S110: judge whether to reach the second default cycle number, if so, do not carry out subsequent step, otherwise execution step S107.
In present embodiment, the value of the first pre-set velocity interval, the second pre-set velocity interval, the first default cycle number, the second default cycle number and default time gap all can be adjusted and revise according to actual demand, the actual demand when meeting train real-world operation.
Method of the present invention has been received desirable energy-saving effect through verification experimental verification, is ensureing under the prerequisite of interval plan time of run, and ATO drives before energy consumption is used this method and reduces by 9%.
The invention also discloses a kind of train personal vehicle system energy-saving control system, described system comprises:
Enquiry module, for according to interval plan service time Query Database, obtains speed limit and the speed threshold of corresponding train, has the corresponding relation between speed limit and the speed threshold of service time and train in described data bank;
Acceleration phase control module, is introduced into acceleration phase for the process train in train operation, in the acceleration phase of train operation, arrives described speed limit by the speed that tractive force control train is provided, and train operation enters cruising phase;
Cruising phase control module, for the cruising phase in train operation, first remove tractive force, in the time that the speed of train drops to described speed threshold, tractive force is provided again, makes the speed of train return to again described speed limit, tractive force is provided repeatedly and removes tractive force, the speed of train is controlled between described speed limit and described speed threshold, until train enters the deboost phase of entering the station;
Deboost phase control module, for the entering the station the deboost phase of train operation, provides brake-power control train speed to reduce gradually, until train enters accurate shutdown phase;
Shutdown phase control module, for the accurate shutdown phase in train operation, provides more stable braking force, and train is accurately come to a complete stop at predeterminated position.
Preferably, described system also comprises:
Planned time acquisition module, for obtaining the interval plan service time of train in current interval.
Preferably, the corresponding relation between speed limit and the speed threshold of the service time in enquiry module and train is by obtaining with lower module:
Submodule is set, in current interval, allows for the speed limit of the train in current interval and speed threshold being all made as to train the maximum speed of moving, when calculating the speed limit of the train in current interval and speed threshold and being equal to the maximum speed that train allows to move in current interval, the shortest service time of train operation, and deposit the corresponding relation between the shortest described service time and speed limit and the speed threshold of train in described data bank;
Comparison sub-module, for the shortest described service time and interval standard service time are compared, if the shortest described service time is less than the described interval standard service time, carries out First Speed and judges submodule, otherwise do not carry out subsequent module;
First Speed judges submodule, whether is greater than zero for the value that judges described speed threshold, if so, carries out First Speed and reduces submodule, otherwise the value of described speed threshold is got to zero, and carry out second speed and judge submodule;
First Speed reduces submodule, for described speed threshold is reduced to the first pre-set velocity interval, and calculate the current service time, current service time and described interval standard service time are compared, if the current service time is less than or equal to the described interval standard service time, carry out very first time interval and judge submodule, otherwise do not carry out subsequent module;
Very first time interval judges submodule, for judging that whether the residual quantity of current service time and the shortest service time is the integral multiple of default time gap, if, deposit speed limit and the speed threshold of current service time and the train corresponding with it in described data bank, and carry out the first cycle criterion submodule, judge submodule otherwise carry out First Speed;
The first cycle criterion submodule, reaches the first default cycle number for judging whether, does not if so, carry out subsequent module, judges submodule otherwise carry out First Speed;
Second speed judges submodule, whether is greater than zero for the value that judges described speed limit, if so, carry out second speed and reduce submodule, otherwise, do not carry out subsequent module;
Second speed reduces submodule, for described speed limit is reduced to the second pre-set velocity interval, and calculate the current service time, current service time and described interval standard service time are compared, if the current service time is less than or equal to the described interval standard service time, carry out the second time gap and judge submodule, otherwise do not carry out subsequent module;
The second time gap judges submodule, for judging that whether the residual quantity of current service time and the shortest service time is the integral multiple of default time gap, if, deposit speed limit and the speed threshold of current service time and the train corresponding with it in described data bank, and carry out the second cycle criterion submodule, otherwise, carry out second speed and judge submodule;
The second cycle criterion submodule, reaches the second default cycle number for judging whether, does not if so, carry out subsequent module, judges submodule otherwise carry out second speed.
Above embodiment is only for illustrating the present invention; and be not limitation of the present invention; the those of ordinary skill in relevant technologies field; without departing from the spirit and scope of the present invention; can also make a variety of changes and modification; therefore all technical schemes that are equal to also belong to category of the present invention, and scope of patent protection of the present invention should be defined by the claims.
Claims (4)
1. a train personal vehicle system energy-saving control method, is characterized in that, said method comprising the steps of:
S1: according to interval plan service time Query Database, obtain speed limit and the speed threshold of corresponding train, have the corresponding relation between speed limit and the speed threshold of service time and train in described data bank;
S2: train is introduced into acceleration phase in the process of train operation, in the acceleration phase of train operation, arrives described speed limit by the speed that tractive force control train is provided, and train operation enters cruising phase;
S3: in the cruising phase of train operation, first remove tractive force, in the time that the speed of train drops to described speed threshold, tractive force is provided again, make the speed of train return to again described speed limit, tractive force is provided repeatedly and removes tractive force, the speed of train is controlled between described speed limit and described speed threshold, until train enters the deboost phase of entering the station;
S4: entering the station the deboost phase of train operation, provide brake-power control train speed to reduce gradually, until train enters accurate shutdown phase;
S5: in the accurate shutdown phase of train operation, provide more stable braking force, and train is accurately come to a complete stop at predeterminated position;
Wherein, the corresponding relation between the service time in step S1 and speed limit and the speed threshold of train obtains by following steps:
S101: the maximum speed that the speed limit of the train in current interval and speed threshold is all made as to train and allows operation in current interval, when calculating the speed limit of the train in current interval and speed threshold and being equal to the maximum speed that train allows to move in current interval, the shortest service time of train operation, and deposit the corresponding relation between the shortest described service time and speed limit and the speed threshold of train in described data bank;
S102: the shortest described service time and interval standard service time are compared, if the shortest described service time is less than the described interval standard service time, perform step S103, otherwise do not carry out subsequent step;
S103: whether the value that judges described speed threshold is greater than zero, if so, performs step S104, otherwise the value of described speed threshold is got to zero, and perform step S107;
S104: described speed threshold is reduced to the first pre-set velocity interval, and calculate the current service time, current service time and described interval standard service time are compared, if the current service time is less than or equal to the described interval standard service time, perform step S105, otherwise do not carry out subsequent step;
S105: whether the residual quantity that judges current service time and the shortest service time is the integral multiple of default time gap, if, deposit speed limit and the speed threshold of current service time and the train corresponding with it in described data bank, and perform step S106, otherwise execution step S103;
S106: judge whether to reach the first default cycle number, if so, do not carry out subsequent step, otherwise execution step S103;
S107: whether the value that judges described speed limit is greater than zero, if so, performs step S108, otherwise, do not carry out subsequent step;
S108: described speed limit is reduced to the second pre-set velocity interval, and calculate the current service time, current service time and described interval standard service time are compared, if the current service time is less than or equal to the described interval standard service time, perform step S109, otherwise do not carry out subsequent step;
S109: whether the residual quantity that judges current service time and the shortest service time is the integral multiple of default time gap, if so, deposit speed limit and the speed threshold of current service time and the train corresponding with it in described data bank, and perform step S110, otherwise, execution step S107;
S110: judge whether to reach the second default cycle number, if so, do not carry out subsequent step, otherwise execution step S107.
2. the method for claim 1, is characterized in that, also comprises step before step S1:
S0: obtain the interval plan service time of train in current interval.
3. a train personal vehicle system energy-saving control system, is characterized in that, described system comprises:
Enquiry module, for according to interval plan service time Query Database, obtains speed limit and the speed threshold of corresponding train, has the corresponding relation between speed limit and the speed threshold of service time and train in described data bank;
Acceleration phase control module, is introduced into acceleration phase for the process train in train operation, in the acceleration phase of train operation, arrives described speed limit by the speed that tractive force control train is provided, and train operation enters cruising phase;
Cruising phase control module, for the cruising phase in train operation, first remove tractive force, in the time that the speed of train drops to described speed threshold, tractive force is provided again, makes the speed of train return to again described speed limit, tractive force is provided repeatedly and removes tractive force, the speed of train is controlled between described speed limit and described speed threshold, until train enters the deboost phase of entering the station;
Deboost phase control module, for the entering the station the deboost phase of train operation, provides brake-power control train speed to reduce gradually, until train enters accurate shutdown phase;
Shutdown phase control module, for the accurate shutdown phase in train operation, provides more stable braking force, and train is accurately come to a complete stop at predeterminated position;
Wherein, the corresponding relation between speed limit and the speed threshold of the service time in enquiry module and train is by obtaining with lower module:
Submodule is set, in current interval, allows for the speed limit of the train in current interval and speed threshold being all made as to train the maximum speed of moving, when calculating the speed limit of the train in current interval and speed threshold and being equal to the maximum speed that train allows to move in current interval, the shortest service time of train operation, and deposit the corresponding relation between the shortest described service time and speed limit and the speed threshold of train in described data bank;
Comparison sub-module, for the shortest described service time and interval standard service time are compared, if the shortest described service time is less than the described interval standard service time, carries out First Speed and judges submodule, otherwise do not carry out subsequent module;
First Speed judges submodule, whether is greater than zero for the value that judges described speed threshold, if so, carries out First Speed and reduces submodule, otherwise the value of described speed threshold is got to zero, and carry out second speed and judge submodule;
First Speed reduces submodule, for described speed threshold is reduced to the first pre-set velocity interval, and calculate the current service time, current service time and described interval standard service time are compared, if the current service time is less than or equal to the described interval standard service time, carry out very first time interval and judge submodule, otherwise do not carry out subsequent module;
Very first time interval judges submodule, for judging that whether the residual quantity of current service time and the shortest service time is the integral multiple of default time gap, if, deposit speed limit and the speed threshold of current service time and the train corresponding with it in described data bank, and carry out the first cycle criterion submodule, judge submodule otherwise carry out First Speed;
The first cycle criterion submodule, reaches the first default cycle number for judging whether, does not if so, carry out subsequent module, judges submodule otherwise carry out First Speed;
Second speed judges submodule, whether is greater than zero for the value that judges described speed limit, if so, carry out second speed and reduce submodule, otherwise, do not carry out subsequent module;
Second speed reduces submodule, for described speed limit is reduced to the second pre-set velocity interval, and calculate the current service time, current service time and described interval standard service time are compared, if the current service time is less than or equal to the described interval standard service time, carry out the second time gap and judge submodule, otherwise do not carry out subsequent module;
The second time gap judges submodule, for judging that whether the residual quantity of current service time and the shortest service time is the integral multiple of default time gap, if, deposit speed limit and the speed threshold of current service time and the train corresponding with it in described data bank, and carry out the second cycle criterion submodule, otherwise, carry out second speed and judge submodule;
The second cycle criterion submodule, reaches the second default cycle number for judging whether, does not if so, carry out subsequent module, judges submodule otherwise carry out second speed.
4. system as claimed in claim 3, is characterized in that, described system also comprises:
Planned time acquisition module, for obtaining the interval plan service time of train in current interval.
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| CN102849077B (en) * | 2012-09-20 | 2015-04-15 | 南车南京浦镇车辆有限公司 | Train traction brake instruction control method in train controlling and monitoring system |
| CN102897173B (en) * | 2012-09-20 | 2015-04-15 | 南车南京浦镇车辆有限公司 | Direction control method for train in train control and monitoring system |
| CN103448758B (en) * | 2013-08-21 | 2016-04-13 | 中国铁道科学研究院 | A kind of punctual and energy-conservation automatic train regulation method and system |
| CN103777631B (en) * | 2013-12-16 | 2017-01-18 | 北京交控科技股份有限公司 | Automatic driving control system and method |
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