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Hybrid Power Control System

Hybrid electric vehicle takes into account the advantages of electric vehicle and traditional vehicle, and its power system configuration
can be divided into P0, P2, P3, P4. The hybrid power control system achieves the goal of low fuel consumption and low emission through
effective energy flow mode control, and provides the driver with personalized choice through rich driving modes.


 
   
Huahai Technologies > HOME > Services > DEVELOPMENT CONSULTING > Hybrid Power Control System >
Hybrid Power Control System
—— Overview
Hybrid electric vehicle is one of the technical means to reduce environmental pollution and energy consumption in the automotive field in the long term. Hybrid power controller is one of the key components of hybrid electric vehicle. The key of hybrid electric vehicle is hybrid power system. Its performance is directly related to the performance of hybrid electric vehicle. According to the power transmission route, hybrid powertrain can be divided into series, parallel and hybrid.
 
The main function of the hybrid power controller is to control the power of the whole vehicle and the switching control of the working mode. The energy control system of the whole vehicle is like the brain of the hybrid electric vehicle, commanding the coordinated work of the subsystems, so as to achieve the best matching of efficiency, emission and power performance, and take into account the ride comfort of the vehicle. According to the driver's operation, such as the operation of accelerator pedal, brake pedal, gear lever, etc., the driver's intention is judged. On the premise of meeting the driver's demand, the power output of motor, engine, battery and other power components is distributed, so as to realize the optimal management of energy utilization rate and make the limited fuel play the maximum effect. Energy control also needs to consider the energy consumption of other on-board electrical and mechanical accessories, such as air conditioning, power steering, brake power assisted energy consumption, so as to comprehensively consider the energy use of the vehicle.

—— Application Software Solutions
•  Vehicle run mode
① Pure electric run mode
② System automatic decision mode   
③ Charge hold mode
④ Manual mode
•  System energy flow mode
•  Torque management
•  Coordination control
•  Limp mode
•  Power ON /OFF management
•  Brake energy recovery
•  System status monitoring and display
•  Safety management and system protection
•  Energy management
•  Engine Start / Stop control
•  Fault diagnosis
•  Cruise control function module

 

The HCU solution provided by Huahai technology can cover all kinds of hybrid power architectures from P0 to P4 and PS. based on mature hardware platform, the control algorithm takes into account vehicle energy consumption, power performance and long-term reliability.


 
—— Classic Case


Development of control strategy for hybrid
electric system based on P4 architecture

Development of control strategy for hybrid
electric system based on P2 architecture
 

OEM P2 architecture hybrid system
control strategy development

OEM P2 architecture hybrid system
control strategy development


OEM P4 architecture hybrid system
control strategy development

Development of control strategy for an
extended hybrid power system



 
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