Motor vehicle power control method and system
A power control and motor vehicle technology, applied in the field of machinery, can solve problems such as low power transmission efficiency, high labor intensity, and inability to guarantee the best match between power and load, and achieve the effect of improving power transmission efficiency and reducing labor intensity
Active Publication Date: 2013-12-04
SHANTUI CONSTR MASCH CO LTD
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Problems solved by technology
[0006] In the process of realizing the embodiment of the present invention, the inventor found that the operation of a motor vehicle depends on human experience, and the control often cannot guarantee the best match between power and load, so the power transmission efficiency is low
The mismatch between power and load will also lead to increased loss of motor vehicle power and transmission components, reducing their service life
In addition, the operator frequently shifts gears, which is labor-intensive
Method used
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[0022] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, rather than all embodiments . Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0023] An embodiment of the present invention provides a motor vehicle power control method, such as figure 1 shown, including:
[0024] 101: Confirm whether the automatic control function of overload power matching is enabled;
[0025] In this step, confirming whether the automatic control function of overload power matching is enabled includes: receiving an input function activation command for enabling the automatic control function of...
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An embodiment of the invention discloses a motor vehicle power control method and a system. The method comprises steps including that whether an automatic overload power matching control function is started or not is confirmed, if the automatic overload power matching control function is started, an electronic control unit ECU of an engine monitors current actual rotation speed of the engine and transmits the current actual rotation speed of the engine to an integral vehicle controller, the integral vehicle controller compares a theoretical rotation speed value corresponding to a maximum load under a current accelerator and gear condition of the engine with the current actual rotation speed of the engine, and judges whether the current actual rotation speed exceeds a given permitted value or not; and if the current actual rotation speed exceeds the given permitted value, the motor vehicle is confirmed to be in an overload state, a downshift instruction is transmitted to a gear shifting electromagnetic valve, and the gear shifting electromagnetic valve is instructed to execute downshift operation. By the aid of the motor vehicle power control method and the system, power transmission efficiency and delay power of the motor vehicle are improved, the service life of a transmission component is prolonged, and labor intensity of operators is reduced.
Description
technical field [0001] The invention relates to the technical field of machinery, in particular to a motor vehicle power control method and system. Background technique [0002] Motor vehicle running system is generally operated by people using machinery. The matching between the power and load of a motor vehicle is generally unpredictable, and how to control it depends on the operator's experience and judgment to ensure the matching of power and load to the maximum extent. When people make wrong judgments, for example: high-end control under heavy load will cause the engine to stall; or low-level control under light load will result in power reserve and low efficiency. Therefore also produced a lot of gear operation and the operating guide of throttle control. [0003] For example, a guide for gear control: [0004] High-speed gear: When the machine is running without load or working with a small load, due to the small load, the high-speed gear should be used as much as ...
Claims
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IPC IPC(8): B60W10/06B60W10/11B60W40/10
Inventor 姚爱贞张立银赵成龙杨淑燕李宣秋杨继红李书鹏
Owner SHANTUI CONSTR MASCH CO LTD