CN-121973713-A - New energy commercial vehicle cab lifting control method, device and storage medium

CN121973713ACN 121973713 ACN121973713 ACN 121973713ACN-121973713-A

Abstract

The invention discloses a method, a device and a storage medium for controlling the lifting of a cab of a new energy commercial vehicle, belonging to the technical field of new energy commercial vehicles, wherein the method comprises the steps of obtaining the power supply voltage of a real-time storage battery of the new energy commercial vehicle; the method comprises the steps of filtering the real-time storage battery power supply voltage to obtain a storage battery stable voltage value, normalizing the storage battery stable voltage value to obtain a normalized voltage coefficient, calculating the actual cab lifting time based on the rated cab lifting time and the normalized voltage coefficient when the real-time storage battery power supply voltage is larger than the preset minimum allowable working voltage, and controlling an electric lifting pump of a new energy commercial vehicle to lift according to the actual cab lifting time. The invention can solve the technical problem that the lifting action is difficult to be accurately completed when the vehicle-mounted storage battery is in a state of voltage reduction or insufficient electric quantity in the prior art.

Inventors

Wei Xiangpu
PENG CHAO
YANG FAN
LIU HAOQIANG
ZHOU XUAN
CUI XIANGCHAO

Assignees

徐州徐工汽车制造有限公司

Dates

Publication Date: 20260505
Application Date: 20260326

Claims (10)

1. A new energy commercial vehicle cab lifting control method comprises the following steps: acquiring the power supply voltage of a real-time storage battery of a new energy commercial vehicle; filtering the real-time storage battery power supply voltage to obtain a storage battery stable voltage value; Normalizing the stable voltage value of the storage battery to obtain a normalized voltage coefficient; When the power supply voltage of the real-time storage battery is larger than the preset minimum allowable working voltage, calculating the actual cab lifting time based on the rated cab lifting time and the normalized voltage coefficient, and controlling an electric lifting pump of the new energy commercial vehicle to complete lifting according to the actual cab lifting time.
2. The new energy commercial vehicle cab lifting control method according to claim 1, wherein the filtering processing is performed on the real-time battery supply voltage to obtain a battery stable voltage value, and the expression comprises: ; Wherein, the Is that The storage battery at the sampling time stabilizes the voltage value, Is that The storage battery at the sampling time stabilizes the voltage value, Is that The real-time battery supply voltage at the sampling instant, Is a filter coefficient.
3. The new energy commercial vehicle cab lifting control method according to claim 1, wherein the normalizing process of the battery stable voltage value obtains a normalized voltage coefficient, and the expression includes: ; Wherein, the For the purpose of normalizing the voltage coefficient, For the rated voltage to be the rated voltage, Is that The storage battery at the sampling time stabilizes the voltage value, Is the lowest allowable operating voltage.
4. The new energy commercial vehicle cab lifting control method according to claim 1, wherein when the real-time battery power supply voltage is greater than a preset minimum allowable operating voltage and greater than a preset compensation region discrimination threshold, an actual cab lifting time is calculated based on a rated cab lifting time and the normalized voltage coefficient, the expression includes: ; Wherein, the For the actual cab lifting time, For the time compensation coefficient(s), For the rated cab lift time, Is the normalized voltage coefficient.
5. The new energy commercial vehicle cab lifting control method according to claim 1, wherein when the real-time battery power supply voltage is greater than a preset minimum allowable operating voltage and less than a preset compensation region discrimination threshold, an actual cab lifting time is calculated based on a rated cab lifting time and the normalized voltage coefficient, the expression comprising: ; Wherein, the For the actual cab lifting time, For the rated cab lift time, And Are all the compensation coefficients of the two-dimensional space, Is the normalized voltage coefficient.
6. The new energy commercial vehicle cab lifting control method according to claim 1, characterized by further comprising: When the actual cab lifting time is greater than a preset maximum lifting time threshold, lifting is realized according to the maximum lifting time threshold; and when the actual cab lifting time is smaller than a preset minimum lifting time threshold, lifting is realized according to the minimum lifting time threshold.
7. The new energy commercial vehicle cab lifting control method according to claim 1, wherein when the normalized voltage coefficient is smaller than 1 and the real-time battery supply voltage is smaller than or equal to a preset minimum allowable operation voltage, the electric lifting pump is prohibited from operating.
8. The utility model provides a new forms of energy commercial car driver's cabin lift control device which characterized in that includes: the data acquisition module is used for acquiring the power supply voltage of the real-time storage battery of the new energy commercial vehicle; the filtering processing module is used for filtering the power supply voltage of the real-time storage battery to obtain a stable voltage value of the storage battery; The normalization processing module is used for normalizing the stable voltage value of the storage battery to obtain a normalized voltage coefficient; And the lifting module is used for calculating the actual cab lifting time based on the rated cab lifting time and the normalized voltage coefficient when the real-time storage battery power supply voltage is larger than the preset minimum allowable working voltage, and controlling the electric lifting pump of the new energy commercial vehicle to complete lifting according to the actual cab lifting time.
9. An electronic terminal comprising a processor and a memory coupled to the processor, wherein a computer program is stored in the memory, which, when executed by the processor, performs the steps of the method according to any of claims 1 to 7.
10. A computer readable storage medium, on which a computer program is stored, characterized in that the computer program, when being executed by a processor, implements the steps of the method according to any one of claims 1 to 7.

Description

New energy commercial vehicle cab lifting control method, device and storage medium Technical Field The invention relates to the technical field of new energy commercial vehicles, in particular to a method and a device for controlling lifting of a cab of a new energy commercial vehicle and a storage medium. Background When the new energy commercial vehicle overhauls and maintains chassis components, an electric control system or a controller below the cab, the cab is usually required to be lifted, and the new energy commercial vehicle descends after overhauling so as to obtain necessary overhauling space. In the prior art, the cab lifting function of a new energy commercial vehicle generally depends on an independent physical lifting switch arranged in or on the vehicle body. The driver can drive the lifting mechanism to work by operating the lifting switch to enable the lifting control relay to be attracted, so that the lifting of the cab is realized. However, the above solution still has the disadvantage that the cab lifting device is usually powered directly by the vehicle battery. When the vehicle-mounted storage battery is in a voltage reduction or electric quantity shortage state, the output power of the lifting pump is reduced, so that the lifting action of the cab can not be completed or the lifting precision is difficult to meet the working condition requirement, and the existing system generally lacks an adaptive control strategy for a low-voltage working condition. Therefore, a new energy commercial vehicle cab lifting control method, device and storage medium are needed to solve the above technical problems. Disclosure of Invention The invention aims to overcome the defects in the prior art, and provides a new energy commercial vehicle cab lifting control method, a device and a storage medium, which can solve the technical problem that lifting action is difficult to accurately finish when a vehicle-mounted storage battery is in a voltage reduction or electric quantity shortage state in the prior art. In order to achieve the above purpose, the invention is realized by adopting the following technical scheme: in a first aspect, the invention provides a new energy commercial vehicle cab lifting control method, which comprises the following steps: acquiring the power supply voltage of a real-time storage battery of a new energy commercial vehicle; filtering the real-time storage battery power supply voltage to obtain a storage battery stable voltage value; Normalizing the stable voltage value of the storage battery to obtain a normalized voltage coefficient; And when the power supply voltage of the real-time storage battery is larger than the preset minimum allowable working voltage, calculating the actual cab lifting time based on the rated cab lifting time and the normalized voltage coefficient, and controlling the electric lifting pump of the new energy commercial vehicle to complete lifting according to the actual cab lifting time. Further, filtering the real-time battery power supply voltage to obtain a battery stable voltage value, where the expression includes: ; Wherein, the Is thatThe storage battery at the sampling time stabilizes the voltage value,Is thatThe storage battery at the sampling time stabilizes the voltage value,Is thatThe real-time battery supply voltage at the sampling instant,Is a filter coefficient. Further, normalizing the stable voltage value of the storage battery to obtain a normalized voltage coefficient, wherein the expression comprises: ; Wherein, the For the purpose of normalizing the voltage coefficient,Is rated voltage; At the minimum allowable operating voltage of the power supply, The voltage value is stabilized for the storage battery. Further, when the real-time battery power supply voltage is greater than a preset minimum allowable working voltage and greater than a preset compensation area distinguishing threshold, calculating an actual cab lifting time based on a rated cab lifting time and the normalized voltage coefficient, wherein the expression comprises: ; Wherein, the For the actual cab lifting time,For the time compensation coefficient(s),For the rated cab lift time,Is the normalized voltage coefficient. Further, when the real-time battery power supply voltage is greater than a preset minimum allowable working voltage and less than a preset compensation area distinguishing threshold, calculating an actual cab lifting time based on a rated cab lifting time and the normalized voltage coefficient, wherein the expression comprises: ; Wherein, the For the actual cab lifting time,For the rated cab lift time,AndAre all the compensation coefficients of the two-dimensional space,Is the normalized voltage coefficient. Further, the method further comprises the following steps: When the actual cab lifting time is greater than a preset maximum lifting time threshold, lifting is realized according to the maximum lifting time threshold; and when the actual cab l