Hybrid integrated control system

A comprehensive control, hybrid technology, applied in hybrid vehicles, motor vehicles, transportation and packaging, etc., can solve problems such as difficult to meet, and achieve the effect of high dynamic index, high power and energy margin

Active Publication Date: 2017-09-05
BEIJING INSTITUTE OF TECHNOLOGYGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Heavy-duty vehicles with large drive power requirements have special torque requirements for acceleration and climbing. The battery needs to maintain a high SOC for the electric motor to assist. These strategies are generally difficult to meet

Method used

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Experimental program
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Embodiment

[0048] The hybrid integrated control system in the embodiment of the present invention, its functions include analog signal, vehicle speed pulse signal, switch signal acquisition and processing, control software storage and operation, system shift and mode switching operation element hydraulic solenoid valve drive, and other systems CAN bus communication of ECU, and communication with host computer, etc. hardware structure such as figure 1 shown.

[0049] ECU software mainly includes system parameter initialization module, power-on process control module, information reading and processing module, online fault diagnosis module, fault processing module, reference vehicle speed calculation module, cooling fan motor control module, control decision-making module, and control command output module Wait. The energy management strategy based on SOC maintenance is included in the control decision module. The overall flow of the control software program is as follows: figure 2 sh...

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Abstract

The invention relates to a hybrid power comprehensive control system with a function of collecting and processing analog signals, speed velocity pulse signals and switch signals, a function of storing and running control software, a function of driving a system gear shifting and mode switching operation element hydraulic electromagnetic valve, a function of communicating with CAN buses of other ECUs of a system, a function of communicating with an upper computer and other functions. On the basis of power optimization management and distribution of hybrid power, a battery SOC is kept at a high level as much as possible, the power performance of a vehicle is improved, and the high-power electricity consumption requirement of other systems is met. The comprehensive control system can meet the requirements of signal treatment and control strategies of the vehicle hybrid power system for software and hardware, energy management and distribution are achieved by keeping the battery SOC at the high level through the control software, a battery is made to have high power and energy margin, and therefore an electric motor can assist an engine in a high-power and long-time mode under high-drive-power requirement working conditions such as urgent acceleration.

Description

technical field [0001] The invention relates to a hybrid power comprehensive control system, which belongs to the technical field of hybrid power. Background technique [0002] Energy saving, environmental protection and safety are the three major themes of today's automobile development. In the past ten years, people have been actively exploring the research and development of new energy-saving and environmentally friendly vehicles, and pure electric vehicles (EV), hybrid electric vehicles (HEV) and fuel cell vehicles (FCEV) have become research hotspots. Due to the limitations of battery technology, pure electric vehicles have a short driving range, and it is difficult to meet people's requirements in terms of price and performance in a short period of time; although fuel cell electric vehicles have a good prospect, there are still technical and cost problems. Therefore, the gasoline-electric hybrid vehicle developed on the basis of mature technology has been widely resea...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60W20/10B60W20/20
CPCB60W10/06B60W10/08B60W10/26B60W20/10B60W30/18B60W30/18027B60W2520/10B60W2710/0666B60W2710/083B60W2710/242
Inventor 王伟达项昌乐马越刘辉韩立金
Owner BEIJING INSTITUTE OF TECHNOLOGYGY
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