CN105235689A - Method for relieving start-up impulse of rail train - Google Patents
Method for relieving start-up impulse of rail train Download PDFInfo
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- CN105235689A CN105235689A CN201510753672.4A CN201510753672A CN105235689A CN 105235689 A CN105235689 A CN 105235689A CN 201510753672 A CN201510753672 A CN 201510753672A CN 105235689 A CN105235689 A CN 105235689A
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- train
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- tractive force
- braking
- power
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Abstract
The invention provides a method for relieving start-up impulse of a rail train. The method includes the following steps that S1, backward slip force Fb borne by the train is obtained; S2, a train traction motor is started, traction force Ft is gradually increased, train brake is relieved, brake force Fs is gradually reduced, so that the traction force Ft is smaller than or equal to the sum of the brake force Fs and the backward slip force Fb, meanwhile, the backward slip force Fb is smaller than or equal to the sum of the brake force Fs and the traction force Ft, when the traction force Ft is increased to be equal to the backward slip force Fb, and the traction force Ft is locked and maintained; S3, when the brake force Fs is reduced to zero, the traction force Ft of the train is gradually increased to achieve stable start of the train. According to the method, when the train starts to move, the moving state of the train is only affected by traction force, and impulse caused when the train is started can be effectively relieved, and comfortable experience is brought to train passengers. Besides, the method has the advantages of being suitable for various rail trains, easy to control and the like.
Description
Technical field
The present invention relates to track train control field, particularly relate to a kind of track train of alleviating and start the method for getting excited.
Background technology
Along with the fast development of railway construction, railway, subway and emerging tramway train, the municipal rail trains such as low floor vehicle obtain applying of great scale, current Chinese subway in municipality directly under the Central Government of provincial capital coverage rate more than 50%, also there are application and planning in the coastal non-provincial capital in many developed areas, meeting under the current prerequisite of basic security, passenger's ride quality just more and more receives the concern of people.Degree of passenger comfort in broad terms, refers to that the passenger taking train is to the combined reaction evaluation of quality of travelling by bus, relates to physical factor, physiologic factor and psychological factor.Comfort level is permitted multifactorial impact by the texture of the vibration in car, noise, temperature, humidity, air freshness, seat, the design, color, illumination etc. in space, is even also subject to health of people and psychological factor, hourage, the per capita area of the vehicle, the impact of railway transport of passengers departmental service quality.In the narrow sense, refer to the running stability of vehicle, be that circuit and vehicle affect the combined action of passenger, mainly vibrate the impact on whole service process.Wherein UIC513 is the Comfort Evaluation standard for railway passenger, be suitable for as the assessment criteria to comfort of passenger index when bullet train group, travelling passenger vehicle and urban rail transit vehicles design and examination, impulsion degree during launch train is exactly the important ring that it is considered.
Because the design of train rail is by the influence of topography, can not be horizontality, certain gradient can be there is, for the train stopped in orbit, be subject to gravity and braking force F simultaneously
seffect, wherein gravity suffered by train slips power F after the component of track alignment is called
b, when train is in upward slope state, tractive force F
tdirection with after slip power F
bdirection is contrary, and therefore, train, when starting, had both needed to prevent train from alleviating and kept braking too fast and slip after causing train, and needed again to ensure as far as possible to start steadily, reduce to start and impact, for occupant provides the impression of the most comfortable.
In current municipal rail train, train network control system (TCMS) is alleviated and is kept braking mainly according to line design condition, and when calculating the online road maximum grade of train, train slips power F after being subject to
b, then ensure that train does not slip the threshold value f of minimum tractive force of car backward and equals F
b, when the tractor truck applying gross tractive force of train is greater than this threshold value f, TCMS sends and keeps release of brake instruction to brak control unit BCU, and train brake control unit B CU starts to alleviate maintenance and brakes, tractive force F subsequently
tincrease and braking force F
sreduction, as tractive force F
tbe greater than braking force with after slip power F
bduring sum, train starts to start.But TCMS does not have extra process after transmission keeps release of brake instruction in conventional train control policy, the analysis of train stressing conditions as shown in Figure 1, in the t1 moment, slips power after tractive force equals, and train starts to alleviate and keeps braking, in the t2 moment, and tractive force F
tbe greater than braking force F
swith after slip power F
bsum, train starts to start, and carves at this moment, and the motion actuated state of train is simultaneously by tractive force F
twith braking force F
sthe impact of change, until t3 moment braking force F
salleviate to 0, although train network control system TCMS is to tractive force F
tand braking force F
sall done maximum impact slop control, but under both combineds action, the shock extent of train when starting is still excessive, affects passenger's ride quality.
Summary of the invention
The technical problem to be solved in the present invention is just: the technical matters existed for prior art, the invention provides one and be applicable to various track train, controls simple, effectively can alleviate the method that track train starts impulsion.
For solving the problems of the technologies described above, the technical scheme that the present invention proposes is: a kind of track train of alleviating starts the method for getting excited, and comprises the steps:
S1. power F is slipped after obtaining
bsize;
S2. start train traction motor, progressively increase tractive force F
t, and alleviate train braking, progressively reduce braking force of train F
s, make tractive force of train F
tbe less than or equal to braking force of train F
swith slip power F after train
bsum, slips power F simultaneously after making train
bbe less than or equal to braking force of train F
swith tractive force of train F
tsum, as tractive force of train F
tincrease to and after equaling train, to slip power F
btime, lock and maintain tractive force of train F
t;
S3. as braking force of train F
safter reducing to zero, increase train gravitation F gradually
t, complete the smooth starting of train.
As a further improvement on the present invention, the concrete steps of described step S1 comprise: by train rail design parameters, the gradient of track residing for inquiry train, slip power F after calculating train
bsize.
As a further improvement on the present invention, described step S2 concrete steps comprise:
S2.1. start train traction motor, and according to the organizational systems of train, calculate the tractive force sum that each towing vehicle provides, draw tractive force of train F
tsize;
S2.2. train braking is alleviated, according to the maximum braking force of train F that brake equipment mode of operation acquisition train braking system can provide
ssize;
S2.3. tractive force of train F is monitored
twith braking force of train F
ssize, and control the power stage of train traction motor and the mode of operation of train braking device, make tractive force of train F
tbe less than or equal to braking force of train F
swith slip power F after train
bsum, slips power F simultaneously after making train
bbe less than or equal to braking force of train F
swith tractive force of train F
tsum;
S2.4. as tractive force of train F
tpower F is slipped after equaling train
btime, lock and maintain tractive force of train F
t.
As a further improvement on the present invention, the concrete steps of described step S2 comprise:
S2.1. start train traction motor, and according to the organizational systems of train, calculate the tractive force sum that each towing vehicle provides, draw tractive force of train F
tsize;
S2.2. progressively tractive force of train F is increased
t, as tractive force of train F
tpower F is slipped after equaling train
btime, lock and maintain tractive force of train F
t;
S2.3. alleviate train braking, progressively reduce braking force of train F
s.
In the present invention, braking force of train is described as the maximum braking force that train braking system can provide.
Compared with prior art, the invention has the advantages that:
1, the present invention is applicable to various track train vehicle, does not limit by train control system and applied environment.
2, the present invention controls simple and convenient, only needs to carry out simple modification and applicable to the control software design of train, and all can use the method in train pilot steering pattern and automatic driving mode.
3, the present invention can have the impulsion produced when extenuating launch train, effectively improves the comfort level of occupant.
Accompanying drawing explanation
Fig. 1 is prior art train force analysis schematic diagram.
Fig. 2 is a kind of diagram of circuit alleviating the method for track train startup impulsion of the present invention.
Fig. 3 is the embodiment of the present invention one train force analysis schematic diagram.
Fig. 4 is the embodiment of the present invention two train force analysis schematic diagram.
Detailed description of the invention
Below in conjunction with Figure of description and concrete preferred embodiment, the invention will be further described, but protection domain not thereby limiting the invention.
In the present embodiment, train is in upward slope state, train traction direction with after slip power F
bdirection is contrary.Process for simplifying the analysis, braking force F
sbe described as the maximum braking force that train braking system can provide in different braking state, when train is in complete braking mode, braking force is maximum, along with train braking is alleviated, and braking force F
sprogressively reduce, until complete brake off, braking force F
sbe 0; When train is in dead ship condition, braking force F
sshow as the external force of balance suffered by train, as after slip power or tractive force etc., when the external force sum suffered by train is greater than the braking force F of train
stime, train setting in motion, for simplifying the analysis process, in the present embodiment, braking force F
simpact direction be described as contrary with the direction of tractive force suffered by train, namely train is in start-up course, to slip power and braking force F when tractive force suffered by train is greater than after suffered by train
sduring sum, train starts to move to tractive force direction.
As shown in Figure 2, the present invention is a kind of alleviates the method that track train starts impulsion, comprises the steps:
S1. power F is slipped after obtaining
bsize;
S2. start train traction motor, progressively increase tractive force F
t, and alleviate train braking, progressively reduce braking force F
s, make tractive force F
tbe less than or equal to braking force F
swith after slip power F
bsum, slips power F simultaneously after making
bbe less than or equal to braking force F
swith tractive force F
tsum, as tractive force F
tincrease to and after equaling, to slip power F
btime, lock and maintain tractive force F
t;
S3. as braking force F
safter reducing to zero, increase train gravitation F gradually
t, complete the smooth starting of train.
Specific embodiment one:
In the present embodiment, specific embodiment of the invention process is:
By train rail design parameters, the gradient of track residing for inquiry train, slips power F after calculating
bsize.Start train traction motor, and according to the organizational systems of train, calculate the tractive force sum that each towing vehicle provides, draw tractive force F
tsize; Alleviate train braking, according to the maximum braking force F that brake equipment mode of operation acquisition train braking system can provide
ssize; Monitoring tractive force F
twith braking force F
ssize, and control the power stage of train traction motor and the mode of operation of train braking device, make tractive force F
tbe less than or equal to braking force F
swith after slip power F
bsum, slips power F simultaneously after making
bbe less than or equal to braking force F
swith tractive force F
tsum; As tractive force F
tpower F is slipped after equaling
btime, lock and maintain tractive force F
t.As braking force F
safter reducing to zero, increase the tractive force F of train gradually
t, complete the smooth starting of train.
As shown in Figure 3, in the present embodiment, before train traction motor starts, tractive force F suffered by train
sbe 0, after the power of slipping be F
b, now train slips power F simultaneously after being subject to
band braking force F
seffect, strained condition balances, and train remains static.In 0 moment, train traction motor starts, and train is subject to tractive force F forward
t, the value of this tractive force can according to the organizational systems of train, and the tractive force sum calculating each tractor truck vehicle of train obtains; Subsequently, in the t4 moment, alleviate train braking, draw according to train braking system mode of operation the maximum braking force F that brake system can provide
s; Monitoring tractive force F
twith braking force F
ssize, and control the Power output of train traction motor and the alleviation of train braking system, make tractive force F
tbe less than or equal to braking force F
swith after slip power F
bsum, slips power F simultaneously after making
bbe less than or equal to braking force F
swith tractive force F
tsum.Now, suffered by train, external force is still in state of equilibrium, the tractive force suffered by train, after to slip power and braking force sum be still 0, train still remains static.In the t5 moment, tractive force F
trise to after slip power F
bequal, lock and keep the tractive force F of train
t, make tractive force F
tmaintain and after equaling, to slip power F
bstate, and continue alleviate train braking, until t6 moment braking force F
sreduce to 0, now, because of tractive force F
tpower F is slipped after equaling
b, train still remains static.Subsequently, progressively tractive force F is increased
tsize, tractive force F
tpower F is slipped after being greater than
b, train starts, towards the motion of tractive force direction, to complete the smooth starting of train.
In the present embodiment, train before setting in motion, braking force F
shaving alleviated is 0, is namely transferred to towards tractive force F by static at train
tin the process of direction motion, the change of its state of kinematic motion is only by tractive force F
timpact, as long as when train network control system TCMS is to tractive force F
timpact slope control, just effectively can alleviate impulsion during launch train, for train occupant brings good, comfortable feeling for taking.
Specific embodiment two:
In specific embodiment one, step S2 increasing traction F
t, alleviate in the process of train braking simultaneously, need Real-Time Monitoring tractive force F
tand braking force F
ssize, and keep tractive force F
tbe less than or equal to braking force F
swith after slip power F
bsum, after slip power F
bbe less than or equal to braking force F
swith tractive force F
tthe state of sum.In order to simplify control process of the present invention further, reduce the complexity of control system, in specific embodiment two, detailed process of the present invention is:
By train rail design parameters, the gradient of track residing for inquiry train, slips power F after calculating
bsize.Start train traction motor, and according to the organizational systems of train, calculate each towing vehicle tractive force sum, draw tractive force F
tsize.Progressively increasing traction F
tsize, until tractive force F
tpower F is slipped after equaling
btime, lock and maintain tractive force F
t.Alleviate train braking, progressively reduce braking force F
s, until braking force F
sreduce to 0.Then, more progressively increase tractive force F
t, complete the smooth starting of train.
As shown in Figure 4, in the present embodiment, before train traction motor starts, tractive force F suffered by train
sbe 0, after the power of slipping be F
b, now train slips power F simultaneously after being subject to
band braking force F
seffect, strained condition balances, and train remains static.In 0 moment, train traction motor starts, tractive force F
tbe subject to tractive force F forward
t, the value of this tractive force can according to the organizational systems of train, and the tractive force sum calculating each tractor truck vehicle of train obtains; Progressively increasing traction F
tsize, at t7 moment tractive force F
tincrease to after slip power F
bequal, lock and maintain tractive force F
t.Train network control system TCMS sends and alleviates train braking instruction simultaneously, and train braking system starts to alleviate braking, braking force F
sprogressively reduce.At t8 moment braking force F
salleviate to 0, now, tractive force F
twith after slip power F
bequal, train is steadily stressed, still remains static, and after the t8 moment, progressively increases tractive force F
t, train starts, towards the motion of tractive force direction, to complete the smooth starting of train.
In the present embodiment, Train Control process is more simple, without the need to tractive force F
tand braking force F
svariable condition carry out complicated Inspect and control, just can realize the smooth starting of train, the impulsion effectively during alleviation launch train, for train occupant brings good, comfortable feeling for taking.
Above-mentioned just preferred embodiment of the present invention, not does any pro forma restriction to the present invention.Although the present invention discloses as above with preferred embodiment, but and be not used to limit the present invention.Therefore, every content not departing from technical solution of the present invention, according to the technology of the present invention essence to any simple modification made for any of the above embodiments, equivalent variations and modification, all should drop in the scope of technical solution of the present invention protection.
Claims (4)
1. alleviate the method that track train starts impulsion, it is characterized in that comprising the steps:
S1. obtain train suffered after slip power F
bsize;
S2. start train traction motor, progressively increase tractive force F
t, and alleviate train braking, progressively reduce braking force F
s, make tractive force F
tbe less than or equal to braking force F
swith after slip power F
bsum, slips power F simultaneously after making
bbe less than or equal to braking force F
swith tractive force F
tsum, as tractive force F
tincrease to and after equaling, to slip power F
btime, lock and maintain tractive force F
t;
S3. as braking force F
safter reducing to zero, increase the tractive force F of train gradually
t, complete the smooth starting of train.
2. alleviation track train according to claim 1 starts the method for impulsion, it is characterized in that the concrete steps of described step S1 comprise: by train rail design parameters, the gradient of track residing for inquiry train, slips power F after calculating
bsize.
3. alleviation track train according to claim 1 starts the method for impulsion, it is characterized in that described step S2 concrete steps comprise:
S2.1. start train traction motor, and according to the organizational systems of train, calculate the tractive force sum that each towing vehicle provides, draw tractive force F
tsize;
S2.2. train braking is alleviated, according to the maximum braking force F that brake equipment mode of operation acquisition train braking system can provide
ssize;
S2.3. tractive force F is monitored
twith braking force F
ssize, and control the power stage of train traction motor and the mode of operation of train braking device, make tractive force F
tbe less than or equal to braking force F
swith after slip power F
bsum, slips power F simultaneously after making
bbe less than or equal to braking force F
swith tractive force F
tsum;
S2.4. as tractive force F
tpower F is slipped after equaling
btime, lock and maintain tractive force F
t.
4. alleviation track train according to claim 1 starts the method for impulsion, it is characterized in that the concrete steps of described step S2 comprise:
S2.1. start train traction motor, and according to the organizational systems of train, calculate the tractive force sum that each towing vehicle provides, draw tractive force F
tsize;
S2.2. progressively increasing traction F
t, as tractive force F
tpower F is slipped after equaling
btime, lock and maintain tractive force F
t;
S2.3. alleviate train braking, progressively reduce braking force F
s.
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|---|---|---|---|
| CN201510753672.4A CN105235689B (en) | 2015-11-06 | 2015-11-06 | A kind of method alleviated track train and start impulsion |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510753672.4A CN105235689B (en) | 2015-11-06 | 2015-11-06 | A kind of method alleviated track train and start impulsion |
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| Publication Number | Publication Date |
|---|---|
| CN105235689A true CN105235689A (en) | 2016-01-13 |
| CN105235689B CN105235689B (en) | 2017-11-21 |
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ID=55033607
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| CN106114530A (en) * | 2016-07-27 | 2016-11-16 | 中车大连机车车辆有限公司 | AC drive passenger electric locomotive starts stationarity control method |
| CN106515755A (en) * | 2016-11-11 | 2017-03-22 | 中车株洲电力机车有限公司 | Vehicle as well as forcing mitigation braking method and system thereof |
| CN106828463A (en) * | 2017-02-14 | 2017-06-13 | 中车株洲电力机车有限公司 | A kind of rail vehicle and its control system |
| CN107512276A (en) * | 2017-07-28 | 2017-12-26 | 中车南京浦镇车辆有限公司 | A kind of launch train impact regulation control method based on TCMS system |
| CN107618522A (en) * | 2017-09-12 | 2018-01-23 | 中国神华能源股份有限公司 | Train limits ramp starting control prompt system |
| CN107776588A (en) * | 2017-10-30 | 2018-03-09 | 中车唐山机车车辆有限公司 | Tractive force of train determines method and train control system |
| CN107985322A (en) * | 2017-11-16 | 2018-05-04 | 神华集团有限责任公司 | The method and device for controlling heavy haul train to start |
| CN110155006A (en) * | 2019-05-09 | 2019-08-23 | 中车青岛四方机车车辆股份有限公司 | A kind of train keeps system, method and the train of release of brake |
| CN110614985A (en) * | 2019-09-26 | 2019-12-27 | 中车株洲电力机车有限公司 | Brake mitigation control method and device |
| CN110667656A (en) * | 2019-11-14 | 2020-01-10 | 中车株洲电力机车有限公司 | Control method and device |
| CN112265447A (en) * | 2020-10-23 | 2021-01-26 | 中车株洲电力机车有限公司 | Starting control method, system, equipment and storage medium of magnetic-levitation train |
| CN112721959A (en) * | 2021-01-05 | 2021-04-30 | 中国神华能源股份有限公司神朔铁路分公司 | Longitudinal surging suppression method for heavy-duty train |
| CN112721887A (en) * | 2021-01-19 | 2021-04-30 | 中车青岛四方机车车辆股份有限公司 | Holding brake control method and system and railway vehicle |
| CN115042836A (en) * | 2022-04-28 | 2022-09-13 | 中车青岛四方车辆研究所有限公司 | Impulse limitation control method and device based on traction braking fusion |
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| CN106114530A (en) * | 2016-07-27 | 2016-11-16 | 中车大连机车车辆有限公司 | AC drive passenger electric locomotive starts stationarity control method |
| CN106515755A (en) * | 2016-11-11 | 2017-03-22 | 中车株洲电力机车有限公司 | Vehicle as well as forcing mitigation braking method and system thereof |
| CN106515755B (en) * | 2016-11-11 | 2018-12-14 | 中车株洲电力机车有限公司 | A kind of vehicle and its forced alleviation braking method and system |
| CN106828463A (en) * | 2017-02-14 | 2017-06-13 | 中车株洲电力机车有限公司 | A kind of rail vehicle and its control system |
| CN107512276A (en) * | 2017-07-28 | 2017-12-26 | 中车南京浦镇车辆有限公司 | A kind of launch train impact regulation control method based on TCMS system |
| CN107618522A (en) * | 2017-09-12 | 2018-01-23 | 中国神华能源股份有限公司 | Train limits ramp starting control prompt system |
| CN107776588A (en) * | 2017-10-30 | 2018-03-09 | 中车唐山机车车辆有限公司 | Tractive force of train determines method and train control system |
| CN107776588B (en) * | 2017-10-30 | 2019-10-25 | 中车唐山机车车辆有限公司 | Tractive force of train determines method and train control system |
| CN107985322A (en) * | 2017-11-16 | 2018-05-04 | 神华集团有限责任公司 | The method and device for controlling heavy haul train to start |
| CN110155006A (en) * | 2019-05-09 | 2019-08-23 | 中车青岛四方机车车辆股份有限公司 | A kind of train keeps system, method and the train of release of brake |
| CN110614985A (en) * | 2019-09-26 | 2019-12-27 | 中车株洲电力机车有限公司 | Brake mitigation control method and device |
| CN110614985B (en) * | 2019-09-26 | 2020-12-11 | 中车株洲电力机车有限公司 | Brake mitigation control method and device |
| WO2021056842A1 (en) * | 2019-09-26 | 2021-04-01 | 中车株洲电力机车有限公司 | Braking relief control method and device |
| CN110667656A (en) * | 2019-11-14 | 2020-01-10 | 中车株洲电力机车有限公司 | Control method and device |
| CN110667656B (en) * | 2019-11-14 | 2021-10-22 | 中车株洲电力机车有限公司 | Control method and device |
| CN112265447A (en) * | 2020-10-23 | 2021-01-26 | 中车株洲电力机车有限公司 | Starting control method, system, equipment and storage medium of magnetic-levitation train |
| CN112265447B (en) * | 2020-10-23 | 2022-06-14 | 中车株洲电力机车有限公司 | Starting control method, system, equipment and storage medium of magnetic-levitation train |
| CN112721959A (en) * | 2021-01-05 | 2021-04-30 | 中国神华能源股份有限公司神朔铁路分公司 | Longitudinal surging suppression method for heavy-duty train |
| CN112721887A (en) * | 2021-01-19 | 2021-04-30 | 中车青岛四方机车车辆股份有限公司 | Holding brake control method and system and railway vehicle |
| CN115042836A (en) * | 2022-04-28 | 2022-09-13 | 中车青岛四方车辆研究所有限公司 | Impulse limitation control method and device based on traction braking fusion |
| CN115042836B (en) * | 2022-04-28 | 2023-09-08 | 中车青岛四方车辆研究所有限公司 | Impulse limiting control method and device based on traction braking fusion |
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