Range extended electric vehicle control system and method
What is Al technical title?
Al technical title is built by PatSnap Al team. It summarizes the technical point description of the patent document.
A technology of electric vehicles and control methods, which is applied in the direction of electric vehicles, control drives, motors, etc., can solve the problems of insufficient driving range, large vibration and noise, and low power density, and achieve the effect of saving fuel consumption
Active Publication Date: 2012-08-01
BEIJING ELECTRIC VEHICLE
View PDF8 Cites 95 Cited by
Summary
Abstract
Description
Claims
Application Information
AI Technical Summary
This helps you quickly interpret patents by identifying the three key elements:
Problems solved by technology
Method used
Benefits of technology
Problems solved by technology
The design concept and usage method of the range-extended electric vehicle just make up for the insufficient driving range of the pure electric v
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more
Image
Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
Click on the blue label to locate the original text in one second.
Reading with bidirectional positioning of images and text.
Smart Image
Examples
Experimental program
Comparison scheme
Effect test
Embodiment 1
[0027] Such as figure 1 As shown, an extended-range electric vehicle control system includes a traditional throttle-controlled engine 2, a generator 5 integrally connected to the engine crankshaft integrating drive and power generation functions, a vehicle-mounted power battery 14, and a vehicle controller 12 , range extender controller 7, battery management system 15, battery DC current sensor 13, engine controller 4, generator controller 6, generator terminal DC current sensor 8, permanent magnet synchronous drive motor 11, power battery 14 and power generation The motor 5 is connected together in the power line for driving the wheels, the motor controller 10, the motor DC current sensor 9, the throttle valve 1, the crankshaft position sensor 3, the flywheel of the engine 2 and the rotor of the generator 5 are rigidly connected by a mechanical device, and the generator controller Inverter power components are integrated in 6, the generator 5 is connected to the high-voltage ...
Embodiment 2
[0031] Such as figure 2 Shown, a kind of extended-range electric vehicle control method, comprises the following steps:
[0032] S1. The vehicle controller collects information from the driver's key position, pedal position, gear position, auxiliary system demand button signal, battery current SOC and charge and discharge current information allowed by the battery, and judges whether it is necessary to start the range extender and the range extender. Operating mode:
[0033] S2. If it is satisfied: battery SOC 2%, and the range extender shutdown request is set to 0; if the above two conditions are met, the range extender enters the start mode;
[0034] S3. After entering the startup mode for 50ms, judge whether the engine speed is greater than 800rpm, and enter the range extender working mode after meeting the conditions;
[0035] S4. If it is satisfied: 30%80%, enter the range extender acceleration control mode; if it meets 30%
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more
PUM
Login to view more
Abstract
The invention discloses a range extended electric vehicle control system, and relates to a whole vehicle control system. The range extended electric vehicle control system comprises an engine controlled by the conventional throttling valve, a generator which is integrally connected with a crank shaft of the engine and has functions of generating power and driving, a vehicle-mounted power battery, a whole vehicle controller, a range extender controller, a battery management system, a battery direct current sensor, an engine controller unit, a generator controller unit, a generator end direct current sensor and a permanent magnet synchronous driving motor, wherein the permanent magnet synchronous driving motor, the power battery and the generator are connected to a power line and used for driving wheels, a motor controller, a motor direct current sensor, the throttling valve and a crank shaft position sensor; the range extender controller communicates with the engine controller unit and the generator controller unit and sends a control instruction; and the range extender controller manages power generation energy and controls an auxiliary system according to a demand of a driver and a state of a range extender system. The invention also discloses a range extended electric vehicle control method. The range extended electric vehicle control system and the range extended electric vehicle control method can be used for electric automobiles.
Description
technical field [0001] The invention relates to the technical field of electric vehicles, in particular to a control system and a control method for an extended-range electric vehicle. Background technique [0002] The driving range of pure electric vehicles is the performance gap between current pure electric vehicles and traditional vehicles. The design concept and usage method of the extended-range electric vehicle just make up for the insufficient driving range of pure electric vehicles, but the existing technology extended-range electric vehicles have problems such as low power density and large vibration and noise. Contents of the invention [0003] The purpose of the present invention is to develop a range extender system that satisfies the requirements of the range-extended electric vehicle on the basis of the existing engine control system and generator control system without re-development and calibration of the engine controller ECU and generator controller GCU....
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more
Application Information
Patent Timeline
Application Date:The date an application was filed.
Publication Date:The date a patent or application was officially published.
First Publication Date:The earliest publication date of a patent with the same application number.
Issue Date:Publication date of the patent grant document.
PCT Entry Date:The Entry date of PCT National Phase.
Estimated Expiry Date:The statutory expiry date of a patent right according to the Patent Law, and it is the longest term of protection that the patent right can achieve without the termination of the patent right due to other reasons(Term extension factor has been taken into account ).
Invalid Date:Actual expiry date is based on effective date or publication date of legal transaction data of invalid patent.
Login to view more 
Login to view more