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Determination method for engine control parameter optimization MAP

A technology for controlling parameters and determining methods, applied in multi-objective optimization, design optimization/simulation, electrical digital data processing, etc., can solve problems such as increasing design workload and design cost, inapplicability of optimization results, and affecting the power of the whole machine , to achieve the effect of shortening the design and development cycle, reducing the design scheme and design workload, and reducing the development cost

Inactive Publication Date: 2018-10-12
CHINA NORTH ENGINE INST TIANJIN
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Problems solved by technology

The complex structure of the engine itself has dozens of control parameters, and each parameter will affect the power of the whole machine. Therefore, in the design of the power improvement of the whole machine, if all the control parameters are optimized, it will inevitably increase the design efficiency. workload and design cost; on the other hand, the traditional engine performance optimization process has certain limitations and blindness, and is generally based on the calibration point operating condition or the maximum torque point operating condition, and its optimization results are not applicable to other Working conditions, so that the performance calibration of the whole machine in the later stage can only be carried out by referring to the control parameter MAP of similar models

Method used

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  • Determination method for engine control parameter optimization MAP
  • Determination method for engine control parameter optimization MAP
  • Determination method for engine control parameter optimization MAP

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Embodiment Construction

[0043] It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0044] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0045] Such as figure 1 As shown, the determination method of the engine control parameter optimization MAP with the maximum power as the target in the present invention is carried out based on computer simulation technology and mathematical optimization algorithm, and realizes the optimal design of the engine power in all working conditions, greatly reducing The design scheme and design workload are reduced, the design efficiency and design pertinence are improved, the design and development cycle is shortened, the development cost is reduced, and it can more comprehensively guide the performance calibration of the whole machine under all working conditions.

[0046] Such a...

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Abstract

The invention relates to a determination method for an engine control parameter optimization MAP. The method comprises the steps that (1) an engine working process simulation model is established; (2)the accuracy of the model is verified through a test; (3) virtual test design of engine control parameters is performed; (4) regressive analysis of the virtual test design result of the control parameters is performed; (5) the sensitivity of the control parameters to power influences is analyzed; (6) sensitivity weight coefficients of the control parameters are determined; (7) optimization variables are determined, and a multi-variable single-target constrained optimal mathematical model is constructed; and (8) a power function is optimized, and an optimal value MAP of main control parametersunder different working conditions is obtained. Through the method, the engine control parameters with a large influence on machine power can be quickly determined, the optimization range of the control parameters with high sensitivity can be determined, and therefore an optimization direction is provided for improvement to the machine power under all working conditions; and the development cyclecan be shortened, development cost can be lowered, development efficiency can be improved, and effective guidance can be provided for optimization of engine performance.

Description

technical field [0001] The invention belongs to the technical field of internal combustion engine design, and in particular relates to a method for determining an engine control parameter optimization MAP. Background technique [0002] Strong maneuverability is one of the performance requirements of vehicles. For every product upgrade, the power of the power plant must be increased. The complex structure of the engine itself has dozens of control parameters, and each parameter will affect the power of the whole machine. Therefore, in the design of the power improvement of the whole machine, if all the control parameters are optimized, it will inevitably increase the design efficiency. workload and design cost; on the other hand, the traditional engine performance optimization process has certain limitations and blindness, and is generally based on the calibration point or maximum torque point, and the optimization results are not applicable to other Due to the different wor...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/50
CPCG06F30/20G06F2111/06
Inventor 王尚学牛海杰陈晋兵董江峰张志军仲蕾邓玉林
Owner CHINA NORTH ENGINE INST TIANJIN
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