CN-122008910-A - Method for controlling generated power by adding Cheng Kuangka and related device

CN122008910ACN 122008910 ACN122008910 ACN 122008910ACN-122008910-A

Abstract

The application discloses a power generation control method and a related device for Cheng Kuangka, wherein if a target vehicle is at a working condition starting point of an (i+1) th working condition, operation information of the (i) th working condition is obtained, and segmented average driving power of N time periods in the (i+1) th working condition is determined based on average vehicle speed and gradient information of the N time periods in the (i) th working condition. And determining a target charge state sequence corresponding to the tail end of the N time periods in the i+1th working condition according to the segmented average driving power of the N time periods in the i+1th working condition, the current charge state of the target vehicle and the target charge state of the i+1th working condition. And determining the generated power of the target vehicle according to the target state of charge sequence and the actual running state of the target vehicle so as to enable the state of charge of the target vehicle to converge towards the target state of charge sequence. Therefore, the segmentation prediction is carried out on the charge state of the next working condition by introducing the segmentation operation information of the last complete working condition, so that the accuracy of the generated power is improved.

Inventors

LI JIKUI
WANG YIXUAN
LIU TING
CHENG XIAOYU
LI XIAOYAN
DENG JINTAO

Assignees

潍柴动力股份有限公司

Dates

Publication Date: 20260512
Application Date: 20260331

Claims (10)

1. A method of increasing Cheng Kuangka generated power control, the method comprising: If the target vehicle is at a working condition starting point of an ith working condition+1th working condition, acquiring operation information of the ith working condition, wherein the operation information comprises average vehicle speeds of N time periods in the ith working condition, the ith working condition comprises N time periods, and i and N are positive integers; determining the sectional average driving power of the N time periods in the i+1th working condition based on the average speed and gradient information of the N time periods in the i working condition; determining a target state of charge sequence corresponding to the tail end of the N time periods in the i+1th working condition according to the segmented average driving power of the N time periods in the i+1th working condition, the current state of charge of the target vehicle and the target state of charge of the i+1th working condition; And determining the generated power of the target vehicle according to the target state of charge sequence and the actual running state of the target vehicle so as to enable the state of charge of the target vehicle to converge towards the target state of charge sequence.
2. The method of claim 1, wherein the operating condition starting point is a time when the target vehicle jumps from a park charge to a transport, or a time when it jumps from a park discharge to a return charge point.
3. The method according to claim 2, wherein the method further comprises: acquiring working condition state information of the target vehicle, wherein the working condition state information comprises gradient information, altitude information, loading state, vehicle speed and position information; And if the difference between the working condition state information and the target working condition state information is smaller than a first threshold value, determining that the target vehicle reaches a working condition starting point.
4. The method according to claim 1, wherein the method further comprises: Acquiring a preset power generation sequence, wherein the preset power generation sequence is obtained based on a universal characteristic diagram of the target vehicle and noise, vibration and harshness (NVH) calibration, the preset power generation sequence comprises a plurality of preset power generation powers, and the universal characteristic diagram is a performance distribution diagram of the range extender at different rotating speeds and different torques; The determining the generated power of the target vehicle according to the target state of charge sequence and the actual running state of the target vehicle comprises the following steps: and determining the generated power of the target vehicle from the preset generated power sequence according to the target state-of-charge sequence and the actual running state of the target vehicle.
5. The method of claim 1, wherein the determining the segmented average drive power for the N time periods in the i+1th operating condition based on the average vehicle speed and grade information for the N time periods in the i operating condition comprises: acquiring available controller resources of the target vehicle; if the available controller resources of the target vehicle are smaller than or equal to a resource threshold, determining the average gradient of the N time periods according to the gradient information; Determining the sectional average driving power of the N time periods in the i+1th working condition according to the average vehicle speed of the N time periods in the i working condition and the average gradient of the N time periods; If the available controller resource of the target vehicle is greater than a resource threshold, determining driving power at a plurality of moments in the (i+1) th working condition according to the average vehicle speed and gradient information of N time periods in the (i) th working condition; And determining the sectional average driving power of N time periods in the i+1th working condition according to the driving power of the i+1th working condition at a plurality of moments.
6. The method according to claim 1, wherein the determining the target state of charge sequence corresponding to the end of the N time periods in the i+1th operating condition according to the segmented average driving power of the N time periods in the i+1th operating condition, the current state of charge of the target vehicle, and the target state of charge of the i+1th operating condition includes: Searching to obtain a plurality of power generation sequences according to the segmented average driving power of N time periods in the i+1th working condition, the current charge state of the target vehicle and the target charge state of the i+1th working condition, wherein the power generation sequences comprise power generation of N time periods; Determining the power generation power sequence with the lowest accumulated oil consumption as a target power generation sequence of the (i+1) th working condition; And determining a target state of charge sequence corresponding to the tail end of the N time periods in the (i+1) th working condition according to the target power generation sequence of the (i+1) th working condition.
7. The method of claim 6, wherein the searching for multiple generated power sequences based on the segmented average driving power for N time periods in the i+1th operating condition comprises: Acquiring a power battery charging and discharging power constraint condition of the target vehicle; and under the condition that the constraint condition of the charge and discharge power of the power battery is met, searching to obtain a plurality of power generation sequences according to the segmented average driving power of N time periods in the (i+1) th working condition.
8. The method of claim 1, wherein if the operation information of the ith operating condition further includes a total operation duration of the target vehicle in the ith operating condition, the method further includes: if the target vehicle runs in the (i+1) th working condition and the target vehicle does not return to the working condition starting point after the total running duration of the (i) th working condition, acquiring a power generation power meter, wherein the power generation power meter comprises a plurality of power generation powers; And determining a charge state sequence corresponding to the tail end of the remaining time period in the (i+1) th working condition according to the power generation power meter.
9. A power generation control device of Cheng Kuangka, characterized in that the device comprises: The system comprises an acquisition unit, a control unit and a control unit, wherein the acquisition unit is used for acquiring operation information of an ith working condition if a target vehicle is at a working condition starting point of an (i+1) th working condition, the operation information comprises average vehicle speeds of N time periods in the ith working condition, the ith working condition comprises N time periods, and i and N are positive integers; The determining unit is used for determining the segmented average driving power of the N time periods in the (i+1) th working condition based on the average vehicle speed and gradient information of the N time periods in the (i) th working condition; The determining unit is further configured to determine a target state of charge sequence corresponding to the end of the N time periods in the i+1th working condition according to the segmented average driving power of the N time periods in the i+1th working condition, the current state of charge of the target vehicle, and the target state of charge of the i+1th working condition; And the control unit is used for determining the generated power of the target vehicle according to the target state of charge sequence and the actual running state of the target vehicle so as to enable the state of charge of the target vehicle to converge towards the target state of charge sequence.
10. A vehicle, the vehicle comprising a processor and a memory: the memory is used for storing a computer program and transmitting the computer program to the processor; The processor is configured to perform the method of any of claims 1-8 according to the computer program.

Description

Method for controlling generated power by adding Cheng Kuangka and related device Technical Field The invention relates to the technical field of vehicles, in particular to a power generation control method and a related device for Cheng Kuangka. Background The extender Cheng Kuangka is an engineering machine suitable for an open pit mine, and the extender Cheng Kuangka uses an extender system and a power battery as power sources to supply electric energy to a driving motor and drive a mine truck to operate. Typical working conditions of the increase Cheng Kuangka are usually a loading-full loading ascending slope, unloading-no-load descending slope, and the generated power is required to be reasonably determined based on the actual running condition of the increase Cheng Kuangka under the limit of the capacity of an assembled power battery and the generated power of an increase range system, so that the phenomenon that the power is insufficient or the State of Charge (SOC) of the power battery is too high in the descending slope process and cannot be braked and recovered due to the fact that the total power supply power (increase range system and power battery) is insufficient in the full loading ascending slope process is avoided. In the related art, the generated power of Cheng Kuangka is generally determined to be increased based on the current working condition of the vehicle, so as to reduce the fuel consumption. However, the accuracy of the generated power determined in this way is low. Disclosure of Invention In view of the above problems, the present application provides a method and related apparatus for controlling power generated by adding Cheng Kuangka to increase the accuracy of Cheng Kuangka. Based on the above, the application discloses the following technical scheme: In a first aspect, an embodiment of the present application provides a method for controlling generated power by Cheng Kuangka, where the method includes: If the target vehicle is at a working condition starting point of an ith working condition+1th working condition, acquiring operation information of the ith working condition, wherein the operation information comprises average vehicle speeds of N time periods in the ith working condition, the ith working condition comprises N time periods, and i and N are positive integers; determining the sectional average driving power of the N time periods in the i+1th working condition based on the average speed and gradient information of the N time periods in the i working condition; determining a target state of charge sequence corresponding to the tail end of the N time periods in the i+1th working condition according to the segmented average driving power of the N time periods in the i+1th working condition, the current state of charge of the target vehicle and the target state of charge of the i+1th working condition; And determining the generated power of the target vehicle according to the target state of charge sequence and the actual running state of the target vehicle so as to enable the state of charge of the target vehicle to converge towards the target state of charge sequence. In a second aspect, an embodiment of the present application provides a generating power control device that increases Cheng Kuangka, the device including: The system comprises an acquisition unit, a control unit and a control unit, wherein the acquisition unit is used for acquiring operation information of an ith working condition if a target vehicle is at a working condition starting point of an (i+1) th working condition, the operation information comprises average vehicle speeds of N time periods in the ith working condition, the ith working condition comprises N time periods, and i and N are positive integers; The determining unit is used for determining the segmented average driving power of the N time periods in the (i+1) th working condition based on the average vehicle speed and gradient information of the N time periods in the (i) th working condition; The determining unit is further configured to determine a target state of charge sequence corresponding to the end of the N time periods in the i+1th working condition according to the segmented average driving power of the N time periods in the i+1th working condition, the current state of charge of the target vehicle, and the target state of charge of the i+1th working condition; And the control unit is used for determining the generated power of the target vehicle according to the target state of charge sequence and the actual running state of the target vehicle so as to enable the state of charge of the target vehicle to converge towards the target state of charge sequence. In a third aspect, an embodiment of the present application provides a vehicle including a processor and a memory: the memory is used for storing a computer program and transmitting the computer program to the processor; The processor is configured to perform the metho