CN108177656A - Train traction method and device - Google Patents
Train traction method and device Download PDFInfo
- Publication number
- CN108177656A CN108177656A CN201711391112.4A CN201711391112A CN108177656A CN 108177656 A CN108177656 A CN 108177656A CN 201711391112 A CN201711391112 A CN 201711391112A CN 108177656 A CN108177656 A CN 108177656A
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- Prior art keywords
- power unit
- train
- unit
- power
- fault
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61C—LOCOMOTIVES; MOTOR RAILCARS
- B61C11/00—Locomotives or motor railcars characterised by the type of means applying the tractive effort; Arrangement or disposition of running gear other than normal driving wheel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61C—LOCOMOTIVES; MOTOR RAILCARS
- B61C7/00—Other locomotives or motor railcars characterised by the type of motive power plant used; Locomotives or motor railcars with two or more different kinds or types of motive power
Abstract
The invention discloses a kind of train traction method and devices.Wherein, this method includes：Determine that the first power unit breaks down in the power unit group of train, wherein, power unit group includes：The stand-by power unit of multiple normal works；The second power unit is selected to replace the first power unit from multiple stand-by power units；Utilize the second power unit tractor-trailer train.The present invention solves the mode rescued in the relevant technologies failure train and takes the technical issues of longer.
Description
Technical field
The present invention relates to field of vehicle control, in particular to a kind of train traction method and device.
Background technology
In the relevant technologies, in the case that a train breaks down, general rescue mode is：By other one just
The train often run draws the above-mentioned train to break down；Either, maintenance personal comes fault in-situ and realizes repair.
But aforesaid way, generally can all it take a long time.
The problem of longer is taken for the mode rescued in above-mentioned the relevant technologies failure train, is not yet proposed at present
Effective solution.
Invention content
An embodiment of the present invention provides a kind of train traction method and device, at least to solve to arrange failure in the relevant technologies
The mode that vehicle is rescued takes the technical issues of longer.
One side according to embodiments of the present invention provides a kind of train traction method, including：Determine the power of train
The first power unit breaks down in unit group, wherein, the power unit group includes：The stand-by power list of multiple normal works
Member；The second power unit is selected to replace first power unit from the multiple stand-by power unit；Utilize described second
Power unit draws the train.
Optionally, second power unit is being selected to replace first power from the multiple stand-by power unit
Before unit, further include：The compartment of the train is grouped, wherein, the number of carriages being each grouped is identical；It determines described
Each grouping forms a power unit；The power unit group is determined according to multiple power units.
Optionally, second power unit is selected to replace the first power list from the multiple stand-by power unit
Member includes：Fault-signal is received, wherein, the fault-signal identifies first power unit and breaks down；Receiving
After stating fault-signal, request message is sent to the power unit group；It is moved according to the request message from the described of the train
Second power unit is selected in power unit group；First power unit is replaced using second power unit.
Optionally, after the train is drawn using second power unit, above-mentioned train traction method further includes：
Alarm signal is received, wherein, the alarm signal is used to that first power unit to be prompted to break down；To first power
Unit carries out fault recovery.
Optionally, after fault recovery is carried out to first power unit, above-mentioned train traction method further includes：It will
First power unit is added in the power unit group.
Another aspect according to embodiments of the present invention, additionally provides a kind of train traction device, including：First determines
Unit, for determining that the first power unit breaks down in the power unit group of train, wherein, the power unit group includes：
The stand-by power unit of multiple normal works；Replacement unit, for selecting the second power from the multiple stand-by power unit
Unit replaces first power unit；Traction unit, for drawing the train using second power unit.
Optionally, above-mentioned train traction device further includes：Grouped element, for from the multiple stand-by power unit
Before selecting the second power unit replacement first power unit, the compartment of the train is grouped, wherein, often
The number of carriages of a grouping is identical；Second determination unit, for determining that each grouping forms a power unit；Third
Determination unit, for determining the power unit group according to multiple power units.
Optionally, the replacement unit includes：Receiving module, for receiving fault-signal, wherein, the fault-signal mark
Know first power unit to break down；Sending module, for after the fault-signal is received, to the power unit
Group sends request message；Selecting module, for being selected from the power unit group of the train according to the request message
Second power unit；Replacement module, for replacing first power unit using second power unit.
Optionally, above-mentioned train traction device further includes：Receiving unit, for being drawn using second power unit
After the train, alarm signal is received, wherein, the alarm signal is used to that first power unit to be prompted to break down；
Recovery unit, for carrying out fault recovery to first power unit.
Optionally, above-mentioned train traction device further includes：Adding device, for carrying out event to first power unit
After barrier restores, first power unit is added in the power unit group.
Another aspect according to embodiments of the present invention, additionally provides a kind of storage medium, the storage medium includes
The program of storage, wherein, described program performs the train traction method described in above-mentioned middle any one.
Another aspect according to embodiments of the present invention, additionally provides a kind of processor, and the processor is used to run
Program, wherein, described program performs the train traction method described in above-mentioned middle any one when running.
In embodiments of the present invention, determine that the first power unit breaks down in the power unit group of train, wherein, power
Unit group includes：The stand-by power unit of multiple normal works；The second power unit is selected to replace from multiple stand-by power units
Change the first power unit；Utilize the second power unit tractor-trailer train.It can by the train traction method of the invention in real time that example provides
To realize in the case where train breaks down, one is selected to move from the stand-by power unit of multiple normal works of the train
Power unit replaces the purpose of the power unit to break down, has reached in the case where train breaks down, without using it
His vehicle is rescued, and is saved oneself by replacing power unit realization, so as to save the technique effect of rescue time, and then is solved
The mode rescued in the relevant technologies failure train takes the technical issues of longer.
Description of the drawings
Attached drawing described herein is used to provide further understanding of the present invention, and forms the part of the application, this hair
Bright illustrative embodiments and their description do not constitute improper limitations of the present invention for explaining the present invention.In the accompanying drawings：
Fig. 1 is the flow chart of train traction method according to embodiments of the present invention；And
Fig. 2 is the schematic diagram of train traction device according to embodiments of the present invention.
Specific embodiment
In order to which those skilled in the art is made to more fully understand the present invention program, below in conjunction in the embodiment of the present invention
The technical solution in the embodiment of the present invention is clearly and completely described in attached drawing, it is clear that described embodiment is only
The embodiment of a part of the invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
Member's all other embodiments obtained without making creative work should all belong to the model that the present invention protects
It encloses.
It should be noted that term " first " in description and claims of this specification and above-mentioned attached drawing, "
Two " etc. be the object for distinguishing similar, and specific sequence or precedence are described without being used for.It should be appreciated that it uses in this way
Data can be interchanged in the appropriate case, so as to the embodiment of the present invention described herein can in addition to illustrating herein or
Sequence other than those of description is implemented.In addition, term " comprising " and " having " and their any deformation, it is intended that cover
Cover it is non-exclusive include, be not necessarily limited to for example, containing the process of series of steps or unit, method, system, product or equipment
Those steps or unit clearly listed, but may include not listing clearly or for these processes, method, product
Or the intrinsic other steps of equipment or unit.
For ease of description, the part noun or term that occur in the embodiment of the present invention are described in detail below：
Train Control and management system (Train Control and Management System, abbreviation TCMS)：Refer to
The various control devices of train are connected by network, set up main control device, are uniformly controlled and information sharing.
According to embodiments of the present invention, a kind of embodiment of the method for train traction method is provided, it should be noted that attached
The step of flow of figure illustrates can perform in the computer system of such as a group of computer-executable instructions, though also,
So show logical order in flow charts, but in some cases, can be performed with the sequence being different from herein shown by
Or the step of description.
Fig. 1 is the flow chart of train traction method according to embodiments of the present invention, as shown in Figure 1, the train traction method
Include the following steps：
Step S102 determines that the first power unit breaks down in the power unit group of train, wherein, power unit group packet
It includes：The stand-by power unit of multiple normal works.
First power unit of determining train here breaks down and can be：Train is unable to operate normally, in train
Equipment (for example, car light, air-conditioning etc.) can not work normally.
Step S104 selects the second power unit to replace the first power unit from multiple stand-by power units.
Step S106 utilizes the second power unit tractor-trailer train.
By above-mentioned steps, situation about can break down in the first power unit in the power unit group for determining train
Under, the second power unit is selected to replace the first power unit to break down from multiple stand-by power units, it is dynamic using second
Power unit tractor-trailer train moves ahead.Relative in the relevant technologies in the case where train breaks down, it is normal using other one
Train implements rescue to the train to break down, and the train traction method provided through the embodiment of the present invention can be realized in train
In the case of breaking down, a power unit is selected to replace from the stand-by power unit of multiple normal works of the train
The purpose of power unit (that is to say the first power unit in context) to break down, has reached what is broken down in train
In the case of, it is rescued, is saved oneself by replacing power unit realization, so as to save rescue time without using other vehicles
Technique effect, and then solve the mode rescued in the relevant technologies failure train and take the technical issues of longer.
In an optional embodiment of the present invention, replaced selecting the second power unit from multiple stand-by power units
Before first power unit, above-mentioned train traction method can also include：The compartment of train is grouped, wherein, Mei Gefen
The number of carriages of group is identical；Determine that each grouping forms a power unit；Power unit is determined according to multiple power units
Group.Wherein, the compartment to train here is grouped, either whole compartments to the train are grouped, it can also
It is that the part compartment of the train is grouped.There are 10 section compartments to be described in detail with this train below.
On the one hand, in the case of being grouped in whole compartments to the train, can to the 10 of train section compartments into
Row number consecutively, by 1 to 5 section compartment form a power unit, 6-10 section compartment form another power unit, when this two
In the case that any one in a power unit breaks down, train can not drive, and can be opened by operating the rescue of train
It closes, train is made to carry out self-saving model, drawn after the train entertains guests to nearest station using another normal power unit,
Vehicle base is returned, the power unit to break down is repaired.
Another aspect, equally can be to the train in the case where carrying out component to the part compartment of the train
10 section compartments is numbered, but be only to before the train 8 section compartments carry out average packet, behind two section compartments be not involved in
Grouping, without for forming power unit.In this case, 1-4 can be saved to compartment and forms a power unit, 5-8 sections
Compartment forms a power unit.
In an optional embodiment of the present invention, the second power unit is selected to replace the from multiple stand-by power units
One power unit can include：Fault-signal is received, wherein, fault-signal identifies the first power unit and breaks down；It is receiving
To after fault-signal, request message is sent to power unit group；Is selected from the power unit group of train according to request message
Two power units；The first power unit is replaced using the second power unit.
In an optional embodiment of the present invention, after using the second power unit tractor-trailer train, above-mentioned train is led
Drawing method can also include：Alarm signal is received, wherein, alarm signal breaks down for the first power unit of prompting；To
One power unit carries out fault recovery.After by the second power unit by train traction to destination, alarm signal can be received
Number, the information of the power unit to break down is carried in the alarm signal, for example, the label of the power unit to break down,
The position of the power unit to break down, the fault type of the power unit to break down etc..Then, according to alarm message reminding
Information fault recovery is carried out to the power unit that breaks down.
In an optional embodiment of the present invention, event occurs for the first power unit in the power unit group for determining train
It, can be in order to ensure that the power unit in power unit group is the power unit that can ensure train normal operation after barrier
The power unit to break down from power unit group is deleted, and is stored in power unit group to be repaired.
In addition, after fault recovery is carried out to the first power unit, above-mentioned train traction method can also include：By
One power unit is added in power unit group.Fault recovery is being carried out to the power unit to break down through the above way
Afterwards, the power unit after recovery can be added in power unit group.It may insure the power list in power unit group in this way
Member is all the power unit that can be used normally, it is also ensured that can all have power list that can be spare in power unit group always
Member.
The disconnection mode of train rescuing switch is described in detail below.
Above-mentioned disconnection mode is divided into high pressure, middle pressure and low pressure and disconnects mode to realize.First, under high-pressure situations,
High voltage bus contactor in high-voltage electrical box is set, is controlled using network, is closed when 5 kilometers of train running speed unit, it is small
It is disconnected when 5 kilometers；Secondly, it in middle pressure, can participate in setting an auxiliary bus bar contactless box in the compartment of grouping,
It is controlled using network, for the disjunction control of busbar between unit；Finally, in the case of low pressure, low-voltage bus bar is controlled using TCMS
One breaker of setting in cabinet processed, using manually controlling.
The foundation of control loop is illustrated below.
Unit rescue switch is provided in the electrical control cabinet each organized for participating in grouping and for unit control ring
The unit rescue relay on road；Emergency braking loop, rising bow are enabled respectively by loop by the contact of unit rescue relay, stopped
It puts braking loop and closing of the door loop is controlled, the loop in Component units；Terminal resistance in switch board is set, is passed through
Terminal resistance, redefinable network-bus, it is ensured that network functions of the equipments are normal in normal cell.
Another aspect according to embodiments of the present invention, additionally provides a kind of train traction device, Fig. 2 is according to this hair
The schematic diagram of the train traction device of bright embodiment, as shown in Fig. 2, the train traction device includes：First determination unit 21, is replaced
Change unit 23 and traction unit 25.The train traction device is described in detail below.
First determination unit 21, for determining that the first power unit breaks down in the power unit group of train, wherein, it moves
Power unit group includes：The stand-by power unit of multiple normal works.
Replacement unit 23 is connect with above-mentioned first determination unit 21, for selecting second from multiple stand-by power units
Power unit replaces the first power unit.
Traction unit 25 is connect with above-mentioned replacement unit 23, for utilizing the second power unit tractor-trailer train.
In the above-described embodiments, the first determination unit can be utilized, for determining in the power unit group of train that first is dynamic
Power unit breaks down, wherein, power unit group includes：The stand-by power unit of multiple normal works；Replacement unit, for from
The second power unit is selected to replace the first power unit in multiple stand-by power units；Traction unit, for utilizing the second power
Unit tractor-trailer train.The train traction device provided through the embodiment of the present invention can realize situation about breaking down in train
Under, a power unit is selected to replace the power to break down from the stand-by power unit of multiple normal works of the train
The purpose of unit (that is to say the first power unit in context), has reached in the case where train breaks down, without making
It is rescued with other vehicles, is saved oneself by replacing power unit realization, so as to save the technique effect of rescue time, and then
It solves the mode rescued in the relevant technologies failure train and takes the technical issues of longer.
In an optional embodiment of the present invention, above-mentioned train traction device can also include：Grouped element, for
Before the second power unit the first power unit of replacement is selected from multiple stand-by power units, the compartment of train is divided
Group, wherein, the number of carriages being each grouped is identical；Second determination unit, for determining that each grouping forms a power list
Member；Third determination unit, for determining power unit group according to multiple power units.
In an optional embodiment of the present invention, replacement unit includes：Receiving module, for receiving fault-signal,
In, fault-signal identifies the first power unit and breaks down；Sending module, for after fault-signal is received, to power list
Tuple sends request message；Selecting module, for selecting the second power list from the power unit group of train according to request message
Member；Replacement module, for replacing the first power unit using the second power unit.
In an optional embodiment of the present invention, above-mentioned train traction device further includes：Receiving unit, for utilizing
After second power unit tractor-trailer train, alarm signal is received, wherein, for the first power unit of prompting event occurs for alarm signal
Barrier；Recovery unit, for carrying out fault recovery to the first power unit.
In an optional embodiment of the present invention, above-mentioned train traction device further includes：Adding device, for
After one power unit carries out fault recovery, the first power unit is added in power unit group.
Above-mentioned train traction device can also include processor and memory, above-mentioned first determination unit 21, replacement unit
23 and 25 grade of traction unit as program unit storage in memory, performed on stored in memory by processor
Program unit is stated to realize corresponding function.
Comprising kernel in the processor, gone in memory to transfer corresponding program unit by kernel.Kernel can set one
It is a or more, determine the use of the second power unit tractor-trailer train by adjusting kernel parameter.
The memory may include the volatile memory in computer-readable medium, random access memory (RAM)
And/or the forms such as Nonvolatile memory, such as read-only memory (ROM) or flash memory (flash RAM), memory includes at least one
Storage chip.
Another aspect according to embodiments of the present invention, additionally provides a kind of storage medium, above-mentioned storage medium includes
The program of storage, wherein, which performs the train traction method of above-mentioned middle any one.
Another aspect according to embodiments of the present invention, additionally provides a kind of processor, and above-mentioned processor is used to run
Program, wherein, which performs the train traction method of above-mentioned middle any one when running.
A kind of equipment is additionally provided in embodiments of the present invention, which includes processor, memory and be stored in storage
On device and the program that can run on a processor, processor realize following steps when performing program：Determine the power list of train
The first power unit breaks down in tuple, wherein, power unit group includes：The stand-by power unit of multiple normal works；From
The second power unit is selected to replace the first power unit in multiple stand-by power units；Utilize the second power unit tractor-trailer train.
A kind of computer program product is additionally provided in the embodiment of the present invention, when being performed on data processing equipment, is fitted
In the program for performing initialization there are as below methods step：Determine that the first power unit breaks down in the power unit group of train,
Wherein, power unit group includes：The stand-by power unit of multiple normal works；Selection second is dynamic from multiple stand-by power units
Power unit replaces the first power unit；Utilize the second power unit tractor-trailer train.
The embodiments of the present invention are for illustration only, do not represent the quality of embodiment.
In the above embodiment of the present invention, all emphasize particularly on different fields to the description of each embodiment, do not have in some embodiment
The part of detailed description may refer to the associated description of other embodiment.
In several embodiments provided herein, it should be understood that disclosed technology contents can pass through others
Mode is realized.Wherein, the apparatus embodiments described above are merely exemplary, such as the division of the unit, Ke Yiwei
A kind of division of logic function, can there is an other dividing mode in actual implementation, for example, multiple units or component can combine or
Person is desirably integrated into another system or some features can be ignored or does not perform.Another point, shown or discussed is mutual
Between coupling, direct-coupling or communication connection can be INDIRECT COUPLING or communication link by some interfaces, unit or module
It connects, can be electrical or other forms.
The unit illustrated as separating component may or may not be physically separate, be shown as unit
The component shown may or may not be physical unit, you can be located at a place or can also be distributed to multiple
On unit.Some or all of unit therein can be selected according to the actual needs to realize the purpose of this embodiment scheme.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, it can also
That each unit is individually physically present, can also two or more units integrate in a unit.Above-mentioned integrated list
The form that hardware had both may be used in member is realized, can also be realized in the form of SFU software functional unit.
If the integrated unit is realized in the form of SFU software functional unit and is independent product sale or uses
When, it can be stored in a computer read/write memory medium.Based on such understanding, technical scheme of the present invention is substantially
The part to contribute in other words to the prior art or all or part of the technical solution can be in the form of software products
It embodies, which is stored in a storage medium, is used including some instructions so that a computer
Equipment (can be personal computer, server or network equipment etc.) perform each embodiment the method for the present invention whole or
Part steps.And aforementioned storage medium includes：USB flash disk, read-only memory (ROM, Read-Only Memory), arbitrary access are deposited
Reservoir (RAM, Random Access Memory), mobile hard disk, magnetic disc or CD etc. are various can to store program code
Medium.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (10)
- A kind of 1. train traction method, which is characterized in that including：Determine that the first power unit breaks down in the power unit group of train, wherein, the power unit group includes：It is multiple just The stand-by power unit often to work；The second power unit is selected to replace first power unit from the multiple stand-by power unit；The train is drawn using second power unit.
- 2. according to the method described in claim 1, it is characterized in that, selecting described from the multiple stand-by power unit Before two power units replace first power unit, further include：The compartment of the train is grouped, wherein, the number of carriages being each grouped is identical；Determine that each grouping forms a power unit；The power unit group is determined according to multiple power units.
- 3. according to the method described in claim 1, it is characterized in that, select described second from the multiple stand-by power unit Power unit is replaced first power unit and is included：Fault-signal is received, wherein, the fault-signal identifies first power unit and breaks down；After the fault-signal is received, request message is sent to the power unit group；Second power unit is selected from the power unit group of the train according to the request message；First power unit is replaced using second power unit.
- 4. according to the method described in claim 1, it is characterized in that, using second power unit draw the train it Afterwards, it further includes：Alarm signal is received, wherein, the alarm signal is used to that first power unit to be prompted to break down；Fault recovery is carried out to first power unit.
- 5. a kind of train traction device, which is characterized in that including：First determination unit, for determining that the first power unit breaks down in the power unit group of train, wherein, the power Unit group includes：The stand-by power unit of multiple normal works；Replacement unit, for the second power unit to be selected to replace the first power list from the multiple stand-by power unit Member；Traction unit, for drawing the train using second power unit.
- 6. device according to claim 5, which is characterized in that further include：Grouped element, for selecting the second power unit replacement described first dynamic from the multiple stand-by power unit Before power unit, the compartment of the train is grouped, wherein, the number of carriages being each grouped is identical；Second determination unit, for determining that each grouping forms a power unit；Third determination unit, for determining the power unit group according to multiple power units.
- 7. device according to claim 5, which is characterized in that the replacement unit includes：Receiving module, for receiving fault-signal, wherein, the fault-signal identifies first power unit and breaks down；Sending module, for after the fault-signal is received, request message to be sent to the power unit group；Selecting module, for selecting second power from the power unit group of the train according to the request message Unit；Replacement module, for replacing first power unit using second power unit.
- 8. device according to claim 5, which is characterized in that further include：Receiving unit, for after the train is drawn using second power unit, receiving alarm signal, wherein, institute Alarm signal is stated for first power unit to be prompted to break down；Recovery unit, for carrying out fault recovery to first power unit.
- 9. a kind of storage medium, which is characterized in that the storage medium includes the program of storage, wherein, described program right of execution Profit requires the train traction method described in any one in 1 to 4.
- 10. a kind of processor, which is characterized in that the processor is used to run program, wherein, right of execution when described program is run Profit requires the train traction method described in any one in 1 to 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711391112.4A CN108177656A (en) | 2017-12-20 | 2017-12-20 | Train traction method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711391112.4A CN108177656A (en) | 2017-12-20 | 2017-12-20 | Train traction method and device |
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| Publication Number | Publication Date |
|---|---|
| CN108177656A true CN108177656A (en) | 2018-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711391112.4A Pending CN108177656A (en) | 2017-12-20 | 2017-12-20 | Train traction method and device |
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| US20130000507A1 (en) * | 2007-08-03 | 2013-01-03 | Ajith Kuttannair Kumar | Locomotive truck and method for distributing weight asymmetrically to axles of the truck |
| CN105539455A (en) * | 2015-12-17 | 2016-05-04 | 唐山轨道客车有限责任公司 | Motor train units capable of being organized into groups |
| CN105916721A (en) * | 2014-01-15 | 2016-08-31 | 西门子公司 | Redundant drive system |
| CN205573644U (en) * | 2016-03-14 | 2016-09-14 | 宝沃汽车（中国）有限公司 | Pure electric vehicles's power source system and pure electric vehicles |
| CN106428040A (en) * | 2016-11-24 | 2017-02-22 | 东台市苏中电工机械有限公司 | Double-power-system railway maintenance vehicle |
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2017
- 2017-12-20 CN CN201711391112.4A patent/CN108177656A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1899873A (en) * | 2005-07-21 | 2007-01-24 | 株式会社日立制作所 | Vehicles |
| WO2008073353A2 (en) * | 2006-12-08 | 2008-06-19 | Alternative Hybrid Locomotive Technologies | Hybrid propulsion system and method |
| US20130000507A1 (en) * | 2007-08-03 | 2013-01-03 | Ajith Kuttannair Kumar | Locomotive truck and method for distributing weight asymmetrically to axles of the truck |
| CN105916721A (en) * | 2014-01-15 | 2016-08-31 | 西门子公司 | Redundant drive system |
| CN105539455A (en) * | 2015-12-17 | 2016-05-04 | 唐山轨道客车有限责任公司 | Motor train units capable of being organized into groups |
| CN205573644U (en) * | 2016-03-14 | 2016-09-14 | 宝沃汽车（中国）有限公司 | Pure electric vehicles's power source system and pure electric vehicles |
| CN106428040A (en) * | 2016-11-24 | 2017-02-22 | 东台市苏中电工机械有限公司 | Double-power-system railway maintenance vehicle |
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