CN-122009275-A - Heavy-duty train control method and device and computer equipment

CN122009275ACN 122009275 ACN122009275 ACN 122009275ACN-122009275-A

Abstract

The application relates to a heavy-duty train control method, a heavy-duty train control device and computer equipment. The method comprises the steps of responding to a control instruction of a heavy-duty train, obtaining current carriage information of each carriage in the heavy-duty train, wherein the current carriage information comprises carriage quality and stress information, determining target coupler force born by each carriage at a future moment according to the current carriage information of each carriage, determining target electric control acceleration of the heavy-duty train at the future moment according to the control instruction and the current carriage information and the target coupler force of each carriage, and controlling the heavy-duty train according to the target electric control acceleration. By adopting the method, the accurate control of the heavy-duty train can be realized.

Inventors

HOU YE
SU SHUAI
LENG JINGTAO
LI SHUAI
HE ZHANYUAN
LIU HONGJIE
LV JIDONG
SHANG DU

Assignees

国能朔黄铁路发展有限责任公司
北京交通大学

Dates

Publication Date: 20260512
Application Date: 20260203

Claims (10)

1. A method of controlling a heavy-duty train, the method comprising: Responding to a control instruction of a heavy-duty train, and acquiring current carriage information of each carriage in the heavy-duty train, wherein the current carriage information comprises carriage quality and stress information; Determining target coupler forces received by each carriage at future moments according to current carriage information of each carriage; Determining target electric control acceleration of the heavy-duty train at the future moment according to the control instruction, current carriage information of each carriage and target coupler force; and controlling the heavy-duty train according to the target electric control acceleration.
2. The method of claim 1, wherein the force information includes traction, braking, drag, and coupler forces experienced; The determining the target coupler force received by each carriage at the future moment according to the current carriage information of each carriage comprises the following steps: Determining the current acceleration of each carriage according to the carriage mass of the carriage, the traction force, the braking force, the resistance and the coupler force received by the carriage and the coupler force received by the preceding carriage, wherein the preceding carriage is an adjacent carriage positioned in the forward direction of the train of the carriage, and the forward direction of the train is the forward direction of the heavy-load train; determining the current speed and the current displacement of the carriage according to the current acceleration of the carriage and the last speed at the last moment; and determining the target coupler force applied to the carriage at the future moment according to the current speed and the current displacement of the carriage and the current speed and the current displacement of the next carriage.
3. The method of claim 2, wherein determining the current acceleration of the car based on the car mass of the car, the traction force, the braking force, the drag force, and the coupler force experienced by the car, and the coupler force experienced by the previous car, comprises: determining the forward stress of the carriage according to the sum of the traction force received by the carriage and the coupler force received by the previous carriage; Determining the reverse stress of the carriage according to the sum of the braking force, the resistance and the coupler force of the carriage; determining the total stress of the carriage according to the difference between the forward stress and the reverse stress of the carriage; and determining the current acceleration of the carriage according to the ratio between the total stress and the mass of the carriage.
4. The method of claim 2, wherein determining the target coupler force experienced by the car at the future time based on the current speed and current displacement of the car and the current speed and current displacement of the next car comprises: taking the difference between the current displacement of the next carriage and the current displacement of the carriage as a displacement difference; Taking the difference between the current speed of the next carriage and the current speed of the carriage as a speed difference; and determining the target coupler force applied to the carriage at the future moment according to the displacement difference value and the speed difference value.
5. The method of claim 1, wherein determining the target electric acceleration of the heavy-duty train at the future time based on the control command, and the current car information and target coupler force for each car, comprises: Determining initial electric control acceleration of the heavy-duty train at a future moment according to the control instruction and current carriage information of each carriage; and adjusting the initial electric control acceleration according to the target coupler force and the coupler force threshold value of each carriage to obtain the target electric control acceleration of the heavy-duty train at the future moment.
6. The method of claim 5, wherein the control instructions include a control type and a desired acceleration, the control type being either brake control or traction control; The determining the initial electric control acceleration of the heavy-duty train at the future moment according to the control instruction and the current carriage information of each carriage comprises the following steps: if the control type is traction control, determining initial electric control acceleration of the heavy-duty train at a future moment according to the carriage mass and the resistance received by each carriage and the expected acceleration; and if the control type is brake control, determining initial electric control acceleration of the heavy-duty train at a future moment according to the carriage mass, the received resistance and braking force of each carriage and the expected acceleration.
7. The method of claim 6, wherein said determining an initial electronically controlled acceleration of said heavy-duty train at a future time based on the car mass and the resistance experienced by each car, and said desired acceleration, comprises: For each car, taking the product between the car mass of the car and the expected acceleration as the expected stress of the car; taking the sum of expected stress of all carriages as the expected stress of the heavy-duty train; Taking the sum of the resistances received by the carriages as the total resistance received by the heavy-duty train; Taking the sum of the carriage mass of each carriage as the total mass of the heavy-duty train; and taking the ratio of the sum of expected stress and total resistance of the heavy-duty train and the total mass as the initial electronic control acceleration of the heavy-duty train at the future moment.
8. The method of claim 6, wherein said determining an initial electronically controlled acceleration of said heavy-duty train at a future time based on the car mass, the resistance and braking forces experienced by each car, and said desired acceleration comprises: For each car, taking the product between the car mass of the car and the expected acceleration as the expected stress of the car; taking the sum of expected stress of all carriages as the expected stress of the heavy-duty train; Taking the sum of the resistances received by the carriages as the total resistance received by the heavy-duty train; taking the sum of braking forces received by all carriages as the total braking force received by the heavy-duty train; Taking the sum of the carriage mass of each carriage as the total mass of the heavy-duty train; And taking the ratio of the difference among the expected stress, the total resistance and the total braking force of the heavy-duty train and the total mass as the initial electric control acceleration of the heavy-duty train at the future moment.
9. A heavy-duty train control device, the device comprising: the information acquisition module is used for responding to a control instruction of the heavy-duty train and acquiring current carriage information of each carriage in the heavy-duty train, wherein the current carriage information comprises carriage quality and stress information; the hook force calculation module is used for determining target hook force received by each carriage at future time according to the current carriage information of each carriage; The control determining module is used for determining the target electric control acceleration of the heavy-duty train at the future moment according to the control instruction, the current carriage information of each carriage and the target coupler force; And the train determining module is used for controlling the heavy-duty train according to the target electric control acceleration.
10. A computer device comprising a memory and a processor, the memory storing a computer program, characterized in that the processor implements the steps of the method of any one of claims 1 to 8 when the computer program is executed.

Description

Heavy-duty train control method and device and computer equipment Technical Field The present application relates to the field of vehicle control technologies, and in particular, to a method and apparatus for controlling a heavy-duty train, and a computer device. Background The heavy-duty train has large longitudinal impact force generated in the running process due to large marshalling length and high axle weight, and particularly when in traction and braking, the force between carriages is not synchronous, so that the coupler force is easily excessive, and the risk of derailment and coupler breakage of the train is increased. In the prior art, the dynamics simulation of the train usually ignores the electric control acceleration adjustment in the running process of the train, so that the accurate control of the heavy-load train is difficult to realize in real time, and the running state of the train is optimized in time. Disclosure of Invention Based on the above, it is necessary to provide a heavy-duty train control method, apparatus and computer device for solving the above technical problems. In a first aspect, the present application provides a heavy-duty train control method, including: Responding to a control instruction of a heavy-duty train, and acquiring current carriage information of each carriage in the heavy-duty train, wherein the current carriage information comprises carriage quality and stress information; Determining target coupler forces received by each carriage at future moments according to current carriage information of each carriage; Determining target electric control acceleration of the heavy-duty train at the future moment according to the control instruction, current carriage information of each carriage and target coupler force; and controlling the heavy-duty train according to the target electric control acceleration. In one embodiment, the force information includes traction, braking, drag and coupler forces experienced; The determining the target coupler force received by each carriage at the future moment according to the current carriage information of each carriage comprises the following steps: Determining the current acceleration of each carriage according to the carriage mass of the carriage, the traction force, the braking force, the resistance and the coupler force received by the carriage and the coupler force received by the preceding carriage, wherein the preceding carriage is an adjacent carriage positioned in the forward direction of the train of the carriage, and the forward direction of the train is the forward direction of the heavy-load train; determining the current speed and the current displacement of the carriage according to the current acceleration of the carriage and the last speed at the last moment; and determining the target coupler force applied to the carriage at the future moment according to the current speed and the current displacement of the carriage and the current speed and the current displacement of the next carriage. In one embodiment, the determining the current acceleration of the car according to the car mass, the traction force, the braking force, the resistance and the coupler force of the car and the coupler force of the previous car comprises: determining the forward stress of the carriage according to the sum of the traction force received by the carriage and the coupler force received by the previous carriage; Determining the reverse stress of the carriage according to the sum of the braking force, the resistance and the coupler force of the carriage; determining the total stress of the carriage according to the difference between the forward stress and the reverse stress of the carriage; and determining the current acceleration of the carriage according to the ratio between the total stress and the mass of the carriage. In one embodiment, the determining the target coupler force to which the car is subjected at the future time according to the current speed and the current displacement of the car and the current speed and the current displacement of the next car comprises: taking the difference between the current displacement of the next carriage and the current displacement of the carriage as a displacement difference; Taking the difference between the current speed of the next carriage and the current speed of the carriage as a speed difference; and determining the target coupler force applied to the carriage at the future moment according to the displacement difference value and the speed difference value. In one embodiment, the determining the target electronically controlled acceleration of the heavy-duty train at the future time according to the control command, the current car information of each car and the target coupler force includes: Determining initial electric control acceleration of the heavy-duty train at a future moment according to the control instruction and current carriage information of each carriage;