Настройки

Укажите год
-

Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

Подробнее
-

Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

Подробнее

Форма поиска

Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
Ведите корректный номера.
Ведите корректный номера.
Ведите корректный номера.
Ведите корректный номера.
Укажите год
Укажите год
Применить Всего найдено 9. Отображено 9.
30-05-2023 дата публикации

Retired battery module capacity prediction method and device, electronic equipment and storage medium

Номер: CN116184211A
Автор: ZHANG YUPING, LIU HONGLING, BIE CHUANYU, SONG HUAWEI, HUANG LIANGQU, SHEN XIN
Принадлежит:

The invention provides a retired battery module capacity prediction method and device, electronic equipment and a storage medium, and the method comprises the steps: constructing an initial neural network model, the method comprises the following steps: taking short-time charging and discharging time, short-time charging and discharging capacity, Frechet distance, module voltage and internal resistance, a module and monomer voltage difference value and an internal resistance difference value as input values of an initial neural network model, taking module residual capacity as an output value, and carrying out iterative training to obtain a completely trained neural network model; and predicting the capacity of the retired power battery module based on the completely trained neural network model. According to the method, the voltage interval section of short-time charging and discharging is obtained through the IC curve, the internal structure characteristics of the module can be better ...

Подробнее
Номер записи: 1
08-08-2023 дата публикации

Waste battery sorting method, device and equipment and storage medium

Номер: CN116550648A
Автор: ZHANG YUPING, BIE CHUANYU, SONG HUAWEI, LIU HONGLING, ZHAO ZHIHENG
Принадлежит:

The invention relates to a waste battery sorting method, device and equipment and a storage medium, and the method comprises the steps: recognizing the appearance state of waste batteries recovered in the same batch, and screening the waste batteries according to the appearance state to obtain to-be-sorted batteries meeting the appearance requirements; after the to-be-sorted batteries are charged to cut-off voltage through constant voltage and constant current, pulse testing is carried out on the to-be-sorted batteries to determine ohmic internal resistance and polarization internal resistance of the to-be-sorted batteries; charging/discharging the to-be-sorted batteries through a preset constant current, and determining the discharge capacity and the discharge platform voltage of the to-be-sorted batteries; and based on a target sorting neural network model, sorting the to-be-sorted batteries according to the ohm internal resistance, the polarization internal resistance, the discharge ...

Подробнее
Номер записи: 2
06-06-2023 дата публикации

Retired battery module sorting method and device, electronic equipment and storage medium

Номер: CN116224093A
Автор: ZHANG YUPING, LIU HONGLING, BIE CHUANYU, SONG HUAWEI
Принадлежит:

The invention discloses an out-of-service power battery module sorting method and device, electronic equipment and a storage medium. The method comprises the steps that the residual capacity of a plurality of out-of-service power battery modules under a first charging and discharging test is obtained; the method comprises the following steps: acquiring pulse charging and discharging data of a battery module during last pulse charging and discharging after continuous three times of pulse charging and discharging, calculating a first characteristic parameter, a second characteristic parameter, terminal voltage and internal resistance of a plurality of retired power battery modules based on the pulse charging and discharging data during the last pulse charging and discharging, and performing dimension reduction processing to obtain a plurality of retired power battery modules; an m-dimensional feature matrix is obtained; and finally, constructing a neural network model, training the neural ...

Подробнее
Номер записи: 3
23-06-2023 дата публикации

Battery SOH prediction method and device, electronic equipment and storage medium

Номер: CN116299008A
Автор: ZHANG YUPING, TAO JUN, BIE CHUANYU, LIU HONGLING, SONG HUAWEI
Принадлежит:

The invention provides a battery SOH prediction method and device, electronic equipment and a storage medium, and the method comprises the steps: carrying out the charge-discharge cycle test of the same batch of batteries in a preset period, carrying out the ICA test to obtain the IC curve characteristic parameter data of the same batch of batteries, and carrying out the capacity test to obtain the capacity data; based on the IC curve characteristic parameter data and the capacity data, carrying out grey relational analysis to determine an IC curve characteristic parameter data sample and a capacity data sample, and training a battery capacity prediction model by taking the IC curve characteristic parameter data sample and the capacity data sample as training samples to obtain a completely trained battery capacity prediction model; and obtaining measured data of the IC curve characteristic parameters of the to-be-detected battery, taking the measured data of the target IC curve characteristic ...

Подробнее
Номер записи: 4
23-05-2023 дата публикации

Battery pack active equalization circuit and method

Номер: CN116154905A
Автор: ZHANG YUPING, LUO FAN, WANG YUANYANG, BIE CHUANYU, YANG JIE, SONG HUAWEI
Принадлежит:

The invention provides an active equalization circuit and method for a battery pack, and the method comprises the steps: determining a single battery which needs to be actively equalized in the battery pack, and enabling the single battery which needs to be actively equalized in the battery pack to be connected to a capacitive voltage-dividing equalization circuit and a voltage detection circuit; when the single battery is detected by the voltage detection circuit and the difference between the highest voltage and the lowest voltage of the single battery is greater than a first threshold value, the switch control circuit controls the active equalization circuit to start an equalization mode, and when the single battery is detected by the voltage detection circuit and the difference between the highest voltage and the lowest voltage of the single battery is less than a second threshold value, the active equalization circuit starts an equalization mode. And when the voltage difference between ...

Подробнее
Номер записи: 5
12-05-2023 дата публикации

Charging heating device and charging heating method for lithium battery at low temperature

Номер: CN116111217A
Автор: ZHANG YUPING, LUO FAN, WANG CHAOJING, BIE CHUANYU, YANG JIE, SONG HUAWEI
Принадлежит:

The invention relates to a charging heating device and a charging heating method for a lithium battery at low temperature. The charging heating method comprises the following steps: acquiring temperature and state information of the battery; taking the temperature as a main feature distinguishing condition, taking the state information as a secondary feature distinguishing condition, and generating a decision tree; through decision tree iterative optimization, obtaining a judgment condition of charging heating and executing the judgment condition; after the battery is charged, a set heat preservation range after the battery is fully charged is obtained, and heat preservation is conducted on the battery within the set heat preservation range. According to the invention, the battery pack can be rapidly and safely heated and charged at a low temperature, the electric energy can be saved by improving the charging heater, and the use of a user is facilitated.

Подробнее
Номер записи: 6
21-07-2023 дата публикации

Lithium ion battery capacity prediction method and device and electronic equipment

Номер: CN116466249A
Автор: ZHANG YUPING, TAO JUN, BIE CHUANYU, LIU HONGLING, SONG HUAWEI
Принадлежит:

The invention discloses a lithium ion battery capacity prediction method and device and electronic equipment, and the method comprises the steps: carrying out the three-pulse test of a lithium ion battery, and correspondingly determining a characteristic parameter set of the lithium ion battery; an initial battery capacity prediction model is established, and the initial battery capacity prediction model comprises a Gaussian process regression algorithm model; and determining the battery capacity value of the lithium ion battery to be detected based on the battery capacity prediction model. According to the method, the characteristic parameter set capable of representing the current state of the lithium ion battery is obtained by performing the three-pulse test on the lithium ion battery, and the lithium ion battery does not need to be charged to a full state in the process of obtaining the characteristic parameter set, so that the time required for obtaining the characteristic parameter ...

Подробнее
Номер записи: 7
25-04-2023 дата публикации

Method for rapidly measuring open-circuit voltage of lithium battery

Номер: CN116008631A
Автор: ZHANG YUPING, LUO FAN, WANG XUEQING, BIE CHUANYU, SONG HUAWEI
Принадлежит:

The invention discloses a lithium battery open-circuit voltage rapid determination method, which realizes rapid depolarization and hysteretic characteristic elimination by introducing a short-time charging and discharging process with extremely short duration in a standing process, so that a battery to be tested can rapidly reach a stable state, the standing duration in a test process is greatly shortened, and the test efficiency is improved. The total test time length and the labor cost are obviously reduced; meanwhile, the method is simple in calculation and easy to implement.

Подробнее
Номер записи: 8
14-07-2023 дата публикации

Lithium battery SOH estimation method and device, electronic equipment and storage medium

Номер: CN116430260A
Автор: ZHANG YUPING, LUO FAN, BIE CHUANYU, HU ZHENGGUANG, SONG HUAWEI, WANG XUEQING
Принадлежит:

The invention discloses a lithium battery SOH estimation method and device, electronic equipment and a storage medium, and the method comprises the steps: obtaining a plurality of SOH values of a lithium battery sample set and a plurality of SOC-OCV sample curves corresponding to the SOH values, and constructing a local SOH estimation model; and acquiring a real-time SOC-OCV curve of the lithium battery to be detected, and determining the SOH value of the lithium battery to be detected based on the local SOH estimation model. Data analysis and processing are carried out on SOH, SOC and OCV of the lithium battery, data rules existing in local OCV are integrated, then a local SOH estimation model is constructed, and data relations between SOH and OCV are integrated, so that a one-to-one correspondence relation is presented between the SOH and OCV of the lithium battery and the local OCV meeting requirements, and the efficiency of obtaining the SOH estimation value of the lithium battery is ...

Подробнее
Номер записи: 9