Method for controlling energy-saving series-connection hybrid power tractor
A technology of serial mixing and control methods, which is applied to the layout of multiple different prime movers of hybrid vehicles and general-purpose power plants, power plants, etc., can solve the problems that the processing modules do not master the core technology and the establishment of expert systems is complex, etc., to achieve Improve the efficiency of electric transmission, high energy use efficiency, and solve the effect of low efficiency
Inactive Publication Date: 2014-03-12
HENAN UNIV OF SCI & TECH
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Problems solved by technology
Compared with the electronic control system, the core ECU lies in the signal processing module. The reason why domestic ECU technology is relatively backward compared to foreign countries is that the processing module of the control system similar to the expert system in electronic control technology has not mastered the core technology. build is complicated
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[0033] 1. Control method of energy-saving series hybrid tractor
[0034] The energy-saving series hybrid tractor control method uses the traction motor as the engine, the diesel engine / generator set as the main energy system, and the battery bank or battery / super capacitor bank as the auxiliary energy system. The diesel engine / generator is in economical operation. The system sends out a fixed value of electric power to drive the traction motor to run efficiently. When the fixed value of electric power is greater than the electric power required by the traction motor, the auxiliary energy system stores the excess electric power; when the SOC value of the auxiliary energy system is higher than the set value, the main energy system stops working. Supplied solely by the auxiliary energy system. When the tractor works with a sudden increase in load power, the auxiliary energy system provides the sudden load electric power. The above " / " means "and".
[0035] like figure 1 In the s...
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The invention relates to a method for controlling an energy-saving series-connection hybrid power tractor. According to the method for controlling the energy-saving series-connection hybrid power tractor, a traction motor serves as an engine, a diesel engine / power generator set serves as a main energy system, a storage battery pack or a storage battery / super capacitor set serves as an auxiliary energy system, when a diesel engine / a power generator operates economically, the main energy system outputs constant electric power so that the traction motor can be driven to operate efficiently, and then the constant electric power is higher than the electric power needed by the traction motor, redundant electric power is stored by the auxiliary energy system; when an SOC value of the auxiliary energy system is larger than a set value, the main energy system stops working, and energy is only provided by the auxiliary energy system. According to the method for controlling the energy-saving series-connection hybrid power tractor, power is supplied under the condition that the diesel engine / the power generator operates economically rather than according to the power demand of the traction tractor, so that the diesel engine in the diesel engine / the power generator works close to an operating point which can guarantee that the fuel consumption rate of the diesel engine is smallest all the time, the power using efficiency is high, the oil consumption is low, energy is saved, and emission is reduced.
Description
technical field [0001] The invention relates to a control method of an energy-saving series hybrid tractor. Background technique [0002] Energy saving and environmental protection are two important themes in the field of industrial technology in my country and the world today. In response to today's worldwide energy shortage and greenhouse gas emissions, energy saving and high efficiency have become the mainstream trends of modern industrial products. As the main driving force of modern agricultural production, tractors are responsible for agricultural tasks such as farmland construction, ploughing, cultivating, plant protection, and harvesting. The number of tractors in my country is increasing year by year. At the end of 2010, the number of large and medium-sized tractors in the country was nearly 4 million, and the number of small tractors was nearly 20 million. Although my country's agricultural mechanization has made great progress during the "Eleventh Five-Year Plan...
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Patent Timeline
Login to View More IPC IPC(8): B60W10/06B60W10/08B60W20/00B60W20/16
CPCY02T10/6286B60K6/46B60W10/06B60W10/08B60W10/26B60W20/10B60W2540/10B60W2540/16Y02T10/62Y02T10/92
Inventor 徐立友刘孟楠周志立王伟李晴方树平刘海亮游昆云王心彬
Owner HENAN UNIV OF SCI & TECH