CN104309643A - Temporary speed restriction method of PMI (Poste de Manoeuvre Informatise) interlocking system under spot type ATP (Automatic Train Protection) module - Google Patents
Temporary speed restriction method of PMI (Poste de Manoeuvre Informatise) interlocking system under spot type ATP (Automatic Train Protection) module Download PDFInfo
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Abstract
The invention discloses a temporary speed restriction method of a PMI interlocking system under a spot type ATP module. The temporary speed restriction method of the PMI interlocking system under the spot type ATP module comprises the steps that TSR (Temporary Speed Restriction) in all track regions is set; a safety order is sent to a PMI through an ATS (Automatic Train Supervision) to eliminate TSR needing not to be set; an initial signal generator TSR of an authorized backup route of the track region with TSR setting is activated and the initial signal generator shows red lamp; the signal generator TSR is in an inactivated state when the backup route is unlocked or the TSR on the backup route is eliminated. The PMI executes temporary speed restriction on one or a plurality of track areas set by a train automatic monitoring sub-system ATS for a spot type ATP module train under a backup module and interlocks and associates signal generators protecting the temporary speed restriction regions.
Description
Technical field
The present invention relates to field of urban rail.
Background technology
When the land of train by accident, disaster or under construction (tunneling operation etc.), or the orbital region to cause due to platform emergency stop push button activation etc. is closed, in order to ensure train operating safety, train running speed will lower than the safety speed value-temporary speed limitation value preset.If train has exceeded temporary speed limitation value by running velocity during temporary speed limitation section, just traffic safety may be jeopardized, even may there is the great train operation accidents such as derail, overturning or train colliding time serious, jeopardize passenger survival, cause equipment and property damage.
At present, signal system, under communication-based train control CBTC (Communication Based Train Control) pattern, can realize temporary speed limitation to be applied to the controlled train operated in CBTC control district.Under CBTC pattern, mobile authorization unit MAU (Movement Authority Unit) receives from ATS (Automatic Train Supervision, train automatic monitoring subsystem) route request, then along the route of ATS request, with the POS INT of train report for train calculates mobile authorization restriction LMA (Limit of Movement Authority).LMA will be restricted to the nearest obstacle on ATS route, if do not have obstacle, will be restricted to ultimate range, ensure train to reserve necessary track and equipment.If the ATS route of train and track switch overlapping, MAU can ask the PMI CBTC route by interlocking limit; As PMI (Poste de Manoeuvre Informatis é (Computer Based Interlocking system), computer interlock subsystem) report that CBTC route that MAU requires is authorized after, MAU just extends LMA by this route region.When MAU determine controlled train mobile authorization can by signal time, MAU will send the order of by-passing signal machine to PMI, by PMI signalization machine allow display.MAU knows the accurate location of all trains in its control district, determines when the LMA of extension train that can be safe, thus the signal in bypass LMA.Apply movable block principle under signal system CBTC pattern, train runs under master mode (automatic train operation ATO (Automatic Train Operation) pattern, artificial train automatic protection ATPM (Automatic Train Protection Manual) pattern) and set up its stop position with LMA.Under backup mode, MAU does not operate, ATS sends route request to PMI, PMI sets up standby route and open standby route initial signal machine based on fixed blocking principle, train is with point type ATP and IATP (Intermittent Automatic Train Protection, point type train automatic protection) pattern, and according to PMI set up standby route and trackside signal display travel.
IATP pattern, this pattern be system cloud gray model when backup mode by driver's pilot steering train but system guarantee train ATP point type protection.In such a mode, Vehicle Controller VOBC (Vehicle Onboard Controller) only allows train upwards to run authorized party, and VOBC provides idle running/skidding to detect for train, overspeed protection, slip protection, the red light that advances rashly is supervised, function such as ATP such as unplanned enablings supervision grade.VOBC only enforces B beacon measuring ability in such a mode, and B beacon can indicate front signal machine state, advances in accordance with braking curve to allow VOBC realize and to supervise driver.VOBC calculates the permissible velocity curve corresponding to train mandate speed, and corresponding train mandate speed is presented on train operation read-out TOD (Train Operation Display).Driver drives train according to the speed supervision instruction of display on the display of trackside signal and TOD, if train speed exceedes Speed limit curve, provides sound alarm; If train speed exceedes Speed limit curve and hypervelocity tolerance limit, providing sound alarm simultaneously, VOBC is by apply the emergency brake.Once train hard brake stop, first needing driver by being pressed in the emergency braking reset button of operator's compartment manually to discharge emergency braking, just can make train departure.
Under signal system backup mode, IATP pattern train runs in accordance with the display of trackside signal.In order to ensure train with the speed of safety by temporary speed limitation section, a distance, speed limit section both sides need arrange temporary speed limitation board, and prompting driver notices that front arrives temporary speed limitation section, need run by the speed pointed out lower than temporary speed limitation board.But in real work, there is urgent temporary speed limitation that temporary speed limitation board is set if desired along the line and dumb, and if the speed of a motor vehicle is too fast or driver fatigue, miss or do not have the speed limitation board in Timeliness coverage speed limit section front, train just may exceed the speed limit and enter speed limit section, thus causes train operation accident occurs.
Therefore, for ensureing that train passes through temporary speed limitation section with IATP mode safety, temporary speed limitation is included in signal system backup mode function very necessary.
Summary of the invention
The object of the present invention is to provide the temporary speed-limiting method of PMI interlock system under a kind of point type ATP pattern, realize PMI and for IATP pattern train performs, temporary speed limitation TSR (Temporary Speed Restriction) is arranged to orbital region under backup mode, and interlocking association is carried out to the signal in these temporary speed limitation regions of protection.
The technical scheme realizing above-mentioned purpose is:
A temporary speed-limiting method for PMI interlock system under point type ATP pattern, comprising:
When PMI starts, the TSR of all orbital regions of initial setting up is ' setting ' state;
After PMI is switched to backup mode, then send to the TSR of PMI security command removing without the need to arranging by ATS;
The initial signal machine TSR of standby route that authorizes of the orbital region after TSR is arranged is activated, initial signal machine display red light; When the TSR on standby route release or standby route removes, then signal TSR is unactivated state;
If signal TSR activates, then signal display red light, open permission signal, before train operator is parked in red signal machine, communicate with ATS operator, after being confirmed to be the signal red light caused due to temporary speed limitation, the interim clearing signal machine of ATS operator command PMI allows display, and informs that driver is to pass through signal lower than the speed of temporary speed limitation value;
When the condition that can accept ATS clear command preset meets, the confirmation signal TSR that PMI accepts ATS removes security command, and it is " removing " state that signal TSR removes state, and starts the countdown of an X time;
When preset signal TSR from ' removing state ' become ' not removing state ' condition meet time, signal TSR remove state become " removing " state.
Under above-mentioned point type ATP pattern PMI interlock system temporary speed-limiting method in, the described condition that can accept ATS clear command comprises:
Open other conditions allowed of command signal machine removed except state, signal permission locking states except signal TSR state, signal TSR are all satisfied;
Signal TSR state is for activating;
State removed by signal is unconfirmed;
The TSR of signal takies close to section.
Under above-mentioned point type ATP pattern PMI interlock system temporary speed-limiting method in, it is one of any following condition that described signal TSR becomes ' not removing state ' condition from ' removing state ':
X time countdown terminates;
ATS sends " cancel message machine TSR removes " order;
Command signal machine except signal TSR state, signal TSR removing state is cancelled the open arbitrary condition allowed and is met;
The TSR of signal is close to clearing of section;
Other TSRs relevant to signal are set up.
Under above-mentioned point type ATP pattern PMI interlock system temporary speed-limiting method in, the described X time is 60 seconds.
The invention has the beneficial effects as follows: in the present invention, PMI judges that TSR is arranged/cancellation state and associated signal machine state, and these information are sent to ATS according to interface requirement.After ATS receives these information, the known TSR facilities of watch keeper of central control room, confirm that result issues security command in time with the TSR of erasing sign machine according to train operator, after clearing signal machine, train by temporary speed limitation region with limited speed, ensures operation security and reduces the impact on normal operation.
Accompanying drawing explanation
Fig. 1 is the signal transmission figure that in the present invention, two kinds of temporary speed limitations are arranged;
Fig. 2 is the PMI internal logic states machine figure that middle orbit region TSR of the present invention arranged/removed function;
Fig. 3 is the PMI internal logic states machine figure of TSR activation/un-activation function in the present invention;
Fig. 4 is the signal transmission figure of Zhong Kong district of the present invention in CBTC pattern;
Fig. 5 is the signal transmission figure of Zhong Kong district of the present invention at backup mode.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described.
Temporary speed limitation is that TSR order is two parts data: orbital region ID and speed limit by the order of ATS operator to the interim reduction maximum permission speed that some section on circuit (definition different orbital regions in a database) carries out.ATS can be applied by security command or cancel temporary speed limitation, and speed limit can increase from 15km/h, is that the mode of stepping is increased to maximum speed with 5km/h.Concerning ATS operator, temporary speed limitation function is divided into two types: system temporary speed limitation and code temporary speed limitation.System temporary speed limitation, namely system provides speed to limit protection to the orbital region being provided with TSR.And the code temporary speed limitation temporary speed-limiting method of PMI interlock system (that is: under point type ATP pattern of the present invention), be limited by the speed of rules and procedures for operation synchronization implementation by train operator and ATS operator.Code temporary speed limitation function provides trackside signal to protect, and driver drives train according to the display of trackside signal.
As shown in Figure 1, although the setting steps of two kinds of temporary speed limitations is identical, there is obviously difference in systems in which: when control district is CBTC pattern, TSR order is only sent to MAU by ATS, and MAU can by TSR transferring order to PMI; When Er Dangkong district is backup mode, TSR order is only sent to PMI by ATS, and TSR status report to MAU, but is not comprised limited speed information by PMI, and it can be carried out interlocking with the signal protecting these temporary speed limitation regions and associate by PMI.
System temporary speed limitation is applied to the controlled train operated in CBTC control district.MAU is after receiving the TSR that ATS arranged by security command, to resolve it and verify, then the TSR list after determining is issued the controlled train VOBC in control district, and inform that whether PMI will reset TSR by MAU and the orbital region temporary speed limitation ID of confirmation is transmitted to PMI[this is in order to avoid ATS operator re-starts TSR command operation after switching operation mode under CBTC pattern, TSR order need be kept by PMI: when controlling district and being switched to backup mode from CBTC pattern, all TSR orders that PMI keeps will be performed immediately, and by status report to ATS; When being switched to CBTC pattern from backup mode, all TSR orders that PMI keeps can be forwarded to MAU, will perform the TSR order received from PMI immediately after MAU is acknowledged, and by status report to ATS.Because the order coming from PMI does not comprise speed limiting information, MAU will arrange minimum speed restriction (15km/h), and ATS operator need modify to the speed restriction of these orbital regions.], MAU keeps up-to-date temporary speed limitation order to be applied to the orbital region of specifying, and namely temporary speed limitation can be modified to higher or lower numerical value.When LMA and the TSR region overlapping of the controlled train of row, VOBC continues the ATP speed limit of calculating mandate based on the speed restriction of relevant range and enforces new ATP speed limit, and hypervelocity can cause apply the emergency brake to protect.The realization of system temporary speed limitation does not show based on trackside signal.For the controlled train under CBTC pattern, TSR will be applied in whole train length, and guarantee train is entered TSR region with the speed of TSR by VOBC, and keeps this speed until detect that last vehicle of train goes out TSR region clearly.
Code temporary speed limitation is applied to the uncontrolled train (IATP or restriction artificial mode RM (Restricted Manual)) operated under backup mode.After arranging TSR, PMI can order the signal be associated for forbidding display.Train operator drives train stops before every frame inhibit signal machine, and communicate with ATS operator, thus know the temporary speed limitation information by front section, due to multiple orbital region can be there is in a meter shaft section, if there is different speed restrictions in these regions, minimum speed restriction is only had to be used.ATS operator should confirm temporary speed limitation with train operator, and inform driver only just being allowed to show by ATS operation (sending security command to PMI) interim clearing signal machine by during train occupation close to section, and after ATS operator's clearing signal machine allows, have the countdown of 60 seconds.If countdown in 60 seconds terminates or train goes out clearly close to section, signal will be reverted to by order forbids display.
From PMI interlock logic, TSR can be arranged by ATS at backup mode or be arranged by MAU under CBTC pattern, but can only at backup mode when being applied to signal interlock.Such as, under CBTC pattern, after the TSR setting of certain orbital region, this TSR can not have impact to CBTC route initial signal machine, under backup mode, after the TSR setting of certain orbital region, activate the TSR of the standby route initial signal machine be associated, close to information such as section seizure conditions, PMI is again according to judging that can this signal TSR be cancelled once, therefore relevant to TSR function can be divided into: orbital region TSR arranges/removes; Signal TSR activation/un-activation; Signal TSR remove/does not remove.
Orbital region TSR arranges/removes:
Based on security design principle, PMI arranges the TSR of all orbital regions after start-up.After PMI is switched to backup mode, then send to the TSR of PMI security command removing without the need to arranging by ATS.After PMI is switched to CBTC pattern, the TSR without the need to arranging is removed in the combination of two orders (the TSR state of following table 1 arranges/remove truth table) that PMI sends according to MAU:
Table 1
As shown in Table 1, PMI only receives MAU and to reset the TSR of certain orbital region and settings/TSR resets and just can the TSR of relative set/removings orbital region after the compound command removed, and order if MAU does not send to reset, PMI is by the TSR state before maintenance.
Refer to Fig. 2, represent that orbital region TSR arranges/remove the PMI internal logic design of function with state machine diagram.In 0 state when PMI just starts, without input and output, built-in variable is not had to change yet.For security consideration, after PMI starts, logic state is 1,9,3,6,11, and namely give tacit consent to starting state for arrange/to remove TSR order without ATS, TSR can not arrange/can not remove, and TSR is arranging state.If now PMI is switched to CBTC pattern, the TSR receiving MAU resets and clear command, then jump to 12, TSR by state 11 and be eliminated, now logic state is 1,9,3,6,12; If the TSR now receiving MAU resets and setting command, then jump back to 11, TSR by state 12 and be set up, now logic state gets back to 1,9,3,6,11.If PMI is switched to backup mode, because TSR is arranged, state 1 can jump to 2, and namely TSR can remove, and logic state is 2,9,3,6,11; Because TSR can remove, after assigning the security command (state 3,4,5 is to control security command process) of removing TSR by ATS, state 11 jumps to 12, and 2 jump to 1, and 9 jump to 10, and logic state is 1,10,3,6,12; Because TSR can be arranged, after assigning by ATS the security command (state 6,7,8 is to control security command process) arranging TSR, state 12 jumps to 11, and 1 jumps to 2, and 10 jump to 9, and logic state is 2,9,3,6,11.
Signal TSR activation/un-activation: when PMI is under backup mode, after the TSR setting of some or multiple orbital region, is activated through the initial signal machine TSR of standby route that authorizes of this orbital region, initial signal machine display red light.When the TSR on standby route release or standby route removes, then signal TSR is unactivated state.Under CBTC pattern, this function is performed by MAU, is transparent concerning PMI.
Refer to Fig. 3, represent the PMI internal logic design of signal TSR activation/un-activation function with state machine diagram.In 0 state when PMI just starts, without input and output, built-in variable is not had to change yet.In 4 states after PMI starts, namely signal TSR state is un-activation, if be now provided with TSR with arbitrary orbital region of this signal any standby route process that is initial signal machine, and standby route is authorized, then jump to 5 by state 4, signal TSR activates; If now the orbital region of all relevant standby route releases or all processes all removes TSR, then state 5 redirect gets back to 4, signal TSR un-activation.
Signal TSR remove/does not remove:
When PMI is under backup mode, if signal TSR activates, then signal display red light, permission signal can not be opened, before train operator will be parked in red signal machine, and communicate with ATS operator, ATS operator and train operator is acknowledged be the signal red light caused due to temporary speed limitation after, ATS operator can order the interim clearing signal machine of PMI to allow display, and informs that driver is to pass through signal lower than the speed of temporary speed limitation value.
When the following default condition that can accept ATS clear command all meets, the confirmation signal TSR that PMI accepts ATS removes security command, and it is " removing " state that signal TSR removes state, and starts the countdown of 60 seconds:
Open other conditions allowed of command signal machine removed except state, signal permission locking states except signal TSR state, signal TSR are all satisfied;
Signal TSR state is for activating;
State removed by signal is unconfirmed;
The TSR of signal takies close to section.
When following default arbitrary signal TSR from ' removing state ' become ' not removing state ' condition meet, signal TSR remove state become " removing " state:
Countdown in 60 seconds terminates;
ATS sends " cancel message machine TSR removes " order;
Command signal machine except signal TSR state, signal TSR removing state is cancelled the open arbitrary condition allowed and is met;
The TSR of signal is close to clearing of section;
Other TSRs relevant to signal are set up.
Due to this function and signal TSR activates/un-activation function is all signal function, represents so these two functions share a state machine diagram, and the redirect of no longer repetition state 4,5.See Fig. 3:
In 0 state when PMI just starts, without input and output, built-in variable is not had to change yet.In 1,6,8 states after PMI starts, namely do not have the confirmation signal TSR clear command of ATS, signal TSR can not remove and not remove state.If be now provided with TSR with arbitrary orbital region of this signal any standby route process that is initial signal machine, and the confirmation signal TSR that above-mentioned PMI accepts ATS removes each condition in security command meets, then state 8 jumps to 9, and logic state is 1,6,9; Assigned the security command (state 1,2,3 is to control security command process) of acknowledgment signal machine TSR clear command by ATS after, state 6 jumps to 7, and state 9 jumps to 8, and logic state is 1,7,8; If arbitrary condition that now above-mentioned signal TSR removing state becomes in " unconfirmed " state meets, as countdown in 60 seconds terminates, state 7 jumps to 6, and state 8 jumps to 9, and logic state is 1,6,9.
When signal system normally works, ATS, MAU, PMI realize complete TSR function.
Refer to Fig. 4, sight a, control district is in CBTC pattern.ATS operator sends security command from ATS and arranges TSR to MAU, and comprise ID and the speed limit of TSR, MAU resolves and verifies TSR order after taking orders, and is reported to the state of ATS TSR and upgrades TSR list.When controlling district and being switched to backup mode from CBTC pattern, all TSR orders that PMI keeps will be performed immediately, and by status report to ATS.
Refer to Fig. 5, sight b, control district is at backup mode.ATS operator sends security command from ATS and arranges TSR to PMI, and order here only includes the ID of TSR, does not comprise speed limit, and PMI verifies TSR order after taking orders, and is reported to ATS TSR and arranges state.When being switched to CBTC pattern from backup mode, all TSR orders that PMI keeps can be forwarded to MAU, perform the TSR order received from PMI after MAU is acknowledged immediately, and by status report to ATS.Because the order coming from PMI does not comprise speed limiting information, MAU will arrange minimum speed restriction (15km/h), and ATS operator need modify to the speed restriction of these orbital regions.
Above embodiment is used for illustrative purposes only, but not limitation of the present invention, person skilled in the relevant technique, without departing from the spirit and scope of the present invention, various conversion or modification can also be made, therefore all equivalent technical schemes also should belong to category of the present invention, should be limited by each claim.
Claims (4)
1. the temporary speed-limiting method of PMI interlock system under point type ATP pattern, is characterized in that, comprising:
When PMI starts, the TSR of all orbital regions of initial setting up is ' setting ' state;
After PMI is switched to backup mode, then send to the TSR of PMI security command removing without the need to arranging by ATS;
The initial signal machine TSR of standby route that authorizes of the orbital region after TSR is arranged is activated, initial signal machine display red light; When the TSR on standby route release or standby route removes, then signal TSR is unactivated state;
If signal TSR activates, then signal display red light, open permission signal, before train operator is parked in red signal machine, communicate with ATS operator, after being confirmed to be the signal red light caused due to temporary speed limitation, the interim clearing signal machine of ATS operator command PMI allows display, and informs that driver is to pass through signal lower than the speed of temporary speed limitation value;
When the condition that can accept ATS clear command preset meets, the confirmation signal TSR that PMI accepts ATS removes security command, and it is " removing " state that signal TSR removes state, and starts the countdown of an X time;
When preset signal TSR from ' removing state ' become ' not removing state ' condition meet time, signal TSR remove state become " removing " state.
2. the temporary speed-limiting method of PMI interlock system under point type ATP pattern according to claim 1, it is characterized in that, the described condition that can accept ATS clear command comprises:
Open other conditions allowed of command signal machine removed except state, signal permission locking states except signal TSR state, signal TSR are all satisfied;
Signal TSR state is for activating;
State removed by signal is unconfirmed;
The TSR of signal takies close to section.
3. the temporary speed-limiting method of PMI interlock system under point type ATP pattern according to claim 1, is characterized in that, it is one of any following condition that described signal TSR becomes ' not removing state ' condition from ' removing state ':
X time countdown terminates;
ATS sends " cancel message machine TSR removes " order;
Command signal machine except signal TSR state, signal TSR removing state is cancelled the open arbitrary condition allowed and is met;
The TSR of signal is close to clearing of section;
Other TSRs relevant to signal are set up.
4. under the point type ATP pattern according to claim 1 or 3, the temporary speed-limiting method of PMI interlock system, is characterized in that, the described X time is 60 seconds.
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| CN113859324A (en) * | 2021-08-20 | 2021-12-31 | 浙江众合科技股份有限公司 | CBTC backup point type temporary speed limiting method and system based on sections |
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| CN109955871A (en) * | 2017-12-25 | 2019-07-02 | 比亚迪股份有限公司 | The signal control method of rail traffic, device and system |
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| CN110843859A (en) * | 2019-11-05 | 2020-02-28 | 中车戚墅堰机车有限公司 | Train automatic protection system safety analysis method based on system theory hazard analysis |
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| CN110901690A (en) * | 2019-11-27 | 2020-03-24 | 通号城市轨道交通技术有限公司 | Processing method and device for axle counting section, electronic equipment and storage medium |
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| CN110920681A (en) * | 2019-12-26 | 2020-03-27 | 天津津航计算技术研究所 | Initialization verification method for existing control state after restart of interlocking equipment |
| CN110920681B (en) * | 2019-12-26 | 2021-12-07 | 天津津航计算技术研究所 | Initialization verification method for existing control state after restart of interlocking equipment |
| CN111674431A (en) * | 2020-06-02 | 2020-09-18 | 通号城市轨道交通技术有限公司 | Point type temporary speed limit setting method and system |
| CN113859324A (en) * | 2021-08-20 | 2021-12-31 | 浙江众合科技股份有限公司 | CBTC backup point type temporary speed limiting method and system based on sections |
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