Research on Comprehensive Evaluation Method for Electromechanical Composite Transmission Key Components and System-level Performance
The performance evaluation of powertrain systems is of great significance in the process of equipment test and evaluation.Elec-tromechanical composite transmission systems have the characteristics of multi-power source collaboration,efficient multi-mode power supply,high structural complexity,and integration.These characteristics determine that existing evaluation methods cannot provide perfect and suffi-cient performance evaluation results;In order to fully meet verification and assessment requirements such as system design,matching,control,durability,and other system indicators as well as component performance indicators,a new component level performance evaluation method for electromechanical composite transmission system is proposed.Based on a comprehensive index system for evaluating the overall performance of electromechanical composite transmission devices,It investigates the evaluation methods for both system-level and component-level perform-ances of electromechanical composite transmission devices,different weights of each indicator are determined through comprehensive weighting techniques,evaluation methods are presented for various components such as engines and generators,and a system level evaluation method combining hierarchical analysis and fuzzy comprehensive evaluation is proposed.By considering the influences of key components in the electro-mechanical composite transmission system on the system performance,the contribution of various indicators in the indicator system on the sys-tem performance is determined.
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