阅读说明：本技术 一种用于混合储能的信息物理融合系统 (Information physical fusion system for hybrid energy storage ) 是由 李建威 杨青青 何洪文 汪伟 王薛超 衣丰艳 范志先 于 2020-12-24 设计创作，主要内容包括：本发明公开了一种用于混合储能的信息物理融合系统,用于氢氧燃料电池汽车；包括第一传感器、第二传感器、第三传感器、第四传感器和第五传感器,所述特征提取模块与所述第一传感器、所述第二传感器、所述第三传感器、所述第四传感器和所述第五传感器电连接；数据融合模块与所述特征提取模块连接；所述决策模块与所述数据融合模块电连接,所述决策模块根据所述决策向量产生一控制指令；所述控制单元接收所述控制指令,并按所述控制指令控制所述蓄电池的充电和放电、所述超级电容的充电和放电、所述制动能量回收装置的工作状态、高压空气罐的充气和放气、所述氢气压力能量回收装置的工作状态。本发明能够提高氢氧燃料电池的能量利用率。(The invention discloses an information physical fusion system for hybrid energy storage, which is used for a hydrogen-oxygen fuel cell vehicle; the feature extraction module is electrically connected with the first sensor, the second sensor, the third sensor, the fourth sensor and the fifth sensor; the data fusion module is connected with the feature extraction module; the decision module is electrically connected with the data fusion module and generates a control instruction according to the decision vector; the control unit receives the control instruction and controls the charging and discharging of the storage battery, the charging and discharging of the super capacitor, the working state of the braking energy recovery device, the inflation and deflation of the high-pressure air tank and the working state of the hydrogen pressure energy recovery device according to the control instruction. The invention can improve the energy utilization rate of the hydrogen-oxygen fuel cell.)

1. An information physical fusion system for hybrid energy storage is used for a hydrogen-oxygen fuel cell vehicle; the method is characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,

the hybrid energy storage unit comprises a storage battery, a super capacitor, a braking energy recovery device, a high-pressure air tank and a hydrogen pressure energy recovery device;

the braking energy recovery device is used for recovering braking energy and converting the recovered energy into electric energy to charge the storage battery or the super capacitor;

the high-pressure air tank is used for recovering redundant high-pressure air and is used for steering assistance or braking assistance, or is used for driving a generator to generate electric energy through an air wheel and charging the storage battery or the super capacitor;

the hydrogen pressure energy recovery device is used for arranging an air wheel on a hydrogen supply pipeline so as to drive the air wheel by utilizing the hydrogen pressure to drive the air wheel to further drive a generator to work and charge the storage battery or the super capacitor;

the cyber-physical system further includes,

the first sensor is arranged on the storage battery and used for acquiring first data information capable of representing the storage battery;

the second sensor is arranged on the super capacitor and used for acquiring second data information capable of representing the super capacitor;

the third sensor is arranged on the braking energy recovery device and used for acquiring third data information capable of representing the energy recovery device;

the fourth sensor is arranged in the high-pressure air tank and used for acquiring fourth data information capable of representing the high-pressure air tank;

the fifth sensor is arranged in a hydrogen tank of the hydrogen-oxygen fuel cell automobile and used for acquiring fifth data information capable of representing the hydrogen tank;

a feature extraction module electrically connected to the first sensor, the second sensor, the third sensor, the fourth sensor, and the fifth sensor; the feature extraction module is configured to acquire detection data of the first sensor, the second sensor, the third sensor, the fourth sensor, and the fifth sensor, and extract features of corresponding data to form a feature vector;

the data fusion module is connected with the feature extraction module and is used for fusing each feature vector to obtain a decision vector;

the decision module is electrically connected with the data fusion module and generates a control instruction according to the decision vector;

and the control unit is electrically connected with the decision module, receives the control instruction and controls the charging and discharging of the storage battery, the charging and discharging of the super capacitor, the working state of the braking energy recovery device, the inflation and deflation of the high-pressure air tank and the working state of the hydrogen pressure energy recovery device according to the control instruction.

2. The cyber-physical fusion system for hybrid energy storage according to claim 1, wherein: the first data information includes an internal temperature of the storage battery, an ambient temperature, an electric quantity of the storage battery, a charging efficiency and a discharging efficiency of the storage battery.

3. The cyber-physical fusion system for hybrid energy storage according to claim 2, wherein: the second data information comprises the internal temperature of the super capacitor, the ambient temperature, the electric quantity of the super capacitor, and the charging efficiency and the discharging efficiency of the super capacitor.

4. The cyber-physical fusion system for hybrid energy storage according to claim 3, wherein: the third sensor comprises the braking energy and the recovered electric energy.

5. The cyber-physical fusion system for hybrid energy storage according to claim 4, wherein: the fourth sensor includes the pressure in the high-pressure air tank, the volume of the high-pressure air tank, the efficiency of the high-pressure air in the high-pressure air tank when used for power steering, the efficiency of the high-pressure air in the high-pressure air tank when used for brake power assistance, and the efficiency of the high-pressure air in the high-pressure air tank when used for power generation.

6. The cyber-physical fusion system for hybrid energy storage according to claim 5, wherein: the fifth data information includes a pressure of a hydrogen tank, and the pressure energy of the hydrogen is converted into the electric energy efficiency.

Technical Field

The invention relates to the technical field of data fusion, in particular to an information physical fusion system for hybrid energy storage.

Background

In fuel cell vehicles, there are many types of energy sources, such as high-pressure air, electric energy, hydrogen energy, and high-pressure energy generated by compressing hydrogen. The source paths of the electric energy are various, for example, part of the energy is derived from hydrogen energy, and part of the energy is derived from braking energy recovery.

Different energy transfer paths may be used, which may have different energy efficiencies, taking into account the different types of energy. How to ensure that various energies are matched by an optimal energy path so as to obtain an overall optimal energy supply scheme is one of the important problems to be solved urgently in the field.

Disclosure of Invention

The invention aims to provide an information physical fusion system for hybrid energy storage, which can solve the defects in the prior art and effectively improve the energy utilization rate of a hydrogen-oxygen fuel cell automobile.

The invention provides an information physical fusion system for hybrid energy storage, which is used for a hydrogen-oxygen fuel cell automobile; wherein the method comprises the following steps of,

the hybrid energy storage unit comprises a storage battery, a super capacitor, a braking energy recovery device, a high-pressure air tank and a hydrogen pressure energy recovery device;

the braking energy recovery device is used for recovering braking energy and converting the recovered energy into electric energy to charge the storage battery or the super capacitor;

the high-pressure air tank is used for recovering redundant high-pressure air and is used for steering assistance or braking assistance, or is used for driving a generator to generate electric energy through an air wheel and charging the storage battery or the super capacitor;

the hydrogen pressure energy recovery device is used for arranging an air wheel on a hydrogen supply pipeline so as to drive the air wheel by utilizing the hydrogen pressure to drive the air wheel to further drive a generator to work and charge the storage battery or the super capacitor;

the cyber-physical system further includes,

the first sensor is arranged on the storage battery and used for acquiring first data information capable of representing the storage battery;

the second sensor is arranged on the super capacitor and used for acquiring second data information capable of representing the super capacitor;

the third sensor is arranged on the braking energy recovery device and used for acquiring third data information capable of representing the energy recovery device;

the fourth sensor is arranged in the high-pressure air tank and used for acquiring fourth data information capable of representing the high-pressure air tank;

the fifth sensor is arranged in a hydrogen tank of the hydrogen-oxygen fuel cell automobile and used for acquiring fifth data information capable of representing the hydrogen tank;

a feature extraction module electrically connected to the first sensor, the second sensor, the third sensor, the fourth sensor, and the fifth sensor; the feature extraction module is configured to acquire detection data of the first sensor, the second sensor, the third sensor, the fourth sensor, and the fifth sensor, and extract features of corresponding data to form a feature vector;

the data fusion module is connected with the feature extraction module and is used for fusing each feature vector to obtain a decision vector;

the decision module is electrically connected with the data fusion module and generates a control instruction according to the decision vector;

and the control unit is electrically connected with the decision module, receives the control instruction and controls the charging and discharging of the storage battery, the charging and discharging of the super capacitor, the working state of the braking energy recovery device, the inflation and deflation of the high-pressure air tank and the working state of the hydrogen pressure energy recovery device according to the control instruction.

The cyber-physical system for hybrid energy storage as described above, wherein optionally, the first data information includes an internal temperature of the storage battery, an ambient temperature, an electric quantity of the storage battery, and a charging efficiency and a discharging efficiency of the storage battery.

The cyber-physical fusion system for hybrid energy storage as described above, wherein optionally, the second data information includes an internal temperature of the super capacitor, an ambient temperature, an electric quantity of the super capacitor, and a charging efficiency and a discharging efficiency of the super capacitor.

The cyber-physical system for hybrid energy storage as described above, wherein optionally, the third sensor includes the recovered electric energy of the braking energy.

The cyber-physical fusion system for hybrid energy storage as described above, wherein optionally, the fourth sensor includes a pressure in the high pressure air tank, a volume of the high pressure air tank, an efficiency of the high pressure air in the high pressure air tank when the high pressure air is used for power steering, an efficiency of the high pressure air in the high pressure air tank when the high pressure air is used for brake power assist, and an efficiency of the high pressure air in the high pressure air tank when the high pressure air is used for power generation.

The cyber-physical system for hybrid energy storage as described above, wherein optionally, the fifth data information includes a pressure of a hydrogen tank and a pressure energy conversion efficiency of the hydrogen gas.

Compared with the prior art, the hybrid energy storage system performs data fusion on the hybrid energy storage energy system to obtain control instructions of different types of energy, so that energy supply and energy recovery are performed according to the optimal energy supply path, and the energy utilization rate can be greatly improved.

Drawings

FIG. 1 is a block diagram of the overall structure of the present invention;

Detailed Description

The embodiments described below with reference to the drawings are illustrative only and should not be construed as limiting the invention.

Referring to fig. 1, the invention provides an information physical fusion system for hybrid energy storage, which is used for a hydrogen-oxygen fuel cell vehicle; wherein the method comprises the following steps of,

the hybrid energy storage unit comprises a storage battery, a super capacitor, a braking energy recovery device, a high-pressure air tank and a hydrogen pressure energy recovery device; in particular, the energy recovery is performed by using a storage battery and a super capacitor on a vehicle, which are not described herein too much for the prior art and can be realized by those skilled in the art. Also, the recovery of braking energy is known in the art. The difference is that the hydrogen pressure energy recovery device refers to energy accumulated by hydrogen due to pressure, and is physical energy, energy is generated in the releasing process, and when the hydrogen is released from the hydrogen tank, kinetic energy generated by the hydrogen pressure energy recovery device can be recovered by the hydrogen pressure energy recovery device. Specifically, hydrogen passes through a gas turbine, a generator is connected to the gas turbine, and the kinetic energy of the hydrogen can be utilized to drive the gas turbine, so as to drive the motor to generate electricity.

The braking energy recovery device is used for recovering braking energy and converting the recovered energy into electric energy to charge the storage battery or the super capacitor.

The high-pressure air tank is used for recycling redundant high-pressure air and is used for steering assistance or braking assistance, or is used for driving a generator through a wheel to generate electric energy and charging the storage battery or the super capacitor. For air assisted steering or braking, applications are available on passenger cars or trucks and will not be described in detail. For the generation of electric energy by using compressed air, the principle is the same as that of hydrogen pressure energy recovery, and further description is omitted here, and the method can be implemented by those skilled in the art. The hydrogen pressure energy recovery device is used for arranging an air wheel on a hydrogen supply pipeline so as to drive the air wheel by utilizing the hydrogen pressure to drive the air wheel to further drive a generator to work and charge the storage battery or the super capacitor;

specifically, the information physical fusion system also comprises,

the first sensor is arranged on the storage battery and used for acquiring first data information capable of representing the storage battery; the first sensor is not only a single sensor but also a generic name of a plurality of sensors for detecting the battery, and similarly, the second sensor, the third sensor, the fourth sensor, and the fifth sensor are also the same. Specifically, the first data information includes an internal temperature of the storage battery, an ambient temperature, an electric quantity of the storage battery, a charging efficiency and a discharging efficiency of the storage battery.

The second sensor is arranged on the super capacitor and used for acquiring second data information capable of representing the super capacitor; specifically, the second data information includes an internal temperature of the super capacitor, an ambient temperature, an electric quantity of the super capacitor, and a charging efficiency and a discharging efficiency of the super capacitor.

The third sensor is arranged on the braking energy recovery device and used for acquiring third data information capable of representing the energy recovery device; specifically, the third sensor includes the braking energy and the recovered electrical energy.

The fourth sensor is arranged in the high-pressure air tank and used for acquiring fourth data information capable of representing the high-pressure air tank; specifically, the fourth sensor includes the pressure in the high-pressure air tank, the volume of the high-pressure air tank, the efficiency of the high-pressure air in the high-pressure air tank when used for steering assist, the efficiency of the high-pressure air in the high-pressure air tank when used for brake assist, and the efficiency of the high-pressure air in the high-pressure air tank when used for power generation.

The fifth sensor is arranged in a hydrogen tank of the hydrogen-oxygen fuel cell automobile and used for acquiring fifth data information capable of representing the hydrogen tank; specifically, the fifth data information includes a pressure of a hydrogen tank, and a pressure energy conversion of the hydrogen gas into an electric energy efficiency.

A feature extraction module electrically connected to the first sensor, the second sensor, the third sensor, the fourth sensor, and the fifth sensor; the feature extraction module is configured to obtain detection data of the first sensor, the second sensor, the third sensor, the fourth sensor, and the fifth sensor, and extract features of corresponding data to form a feature vector. In specific implementation, the feature vectors formed by each data message are different because the data amount in each data message is different.

The data fusion module is connected with the feature extraction module and is used for fusing each feature vector to obtain a decision vector; the data fusion module is a neural network model, the input of the data fusion module is corresponding and feature vectors of first data information, second data information, third data information, fourth data information and fifth data information, and the output of the data fusion module is a decision vector. When the neural network model is trained, the objective function is the highest energy utilization rate.

And the decision module is electrically connected with the data fusion module and generates a control instruction according to the decision vector.

And the control unit is electrically connected with the decision module, receives the control instruction and controls the charging and discharging of the storage battery, the charging and discharging of the super capacitor, the working state of the braking energy recovery device, the inflation and deflation of the high-pressure air tank and the working state of the hydrogen pressure energy recovery device according to the control instruction.

The construction, features and functions of the present invention are described in detail in the embodiments illustrated in the drawings, which are only preferred embodiments of the present invention, but the present invention is not limited by the drawings, and all equivalent embodiments modified or changed according to the idea of the present invention should fall within the protection scope of the present invention without departing from the spirit of the present invention covered by the description and the drawings.