نتایج جستجو برای: nedc cycle
تعداد نتایج: 273650 فیلتر نتایج به سال:
A regenerative braking system and hydraulic braking system are used in conjunction in the majority of electric vehicles worldwide. We propose a new regenerative braking distribution strategy that is based on multi-input fuzzy control logic while considering the influences of the battery’s state of charge, the brake strength and the motor speed. To verify the braking performance and recovery eco...
Real-time drive cycles and driving trends have a vital impact on fuel consumption and emissions in a vehicle. To address this issue, an original and alternative approach which incorporates the knowledge about real-time drive cycles and driving trends into fuzzy logic control strategy was proposed. A machine learning framework called MC_FRAME was established, which includes two neural networks f...
The dynamic characteristics of power batteries directly affect the performance of electric vehicles, and the mathematical model is the basis for the design of a battery management system (BMS).Based on the electrode-averaged model of a lithium-ion battery, in view of the solid phase lithium-ion diffusion equation, the electrochemical model is simplified through the finite difference method. By ...
A multi-mode power-split (MMPS) hybrid electric vehicle (HEV) has two planetary gearsets and clutches/grounds which results in several operation modes with enhanced electric drive capability and better fuel economy. Basically, the battery storage system is involved in different operation modes to satisfy the power demand and minimize the fuel consumption, whereas the complicated operation modes...
In this paper, a new voltage aging model for the polymer electrolyte membrane fuel cell (PEMFC), which includes multiple degradation mechanisms proton exchange cells, is proposed. The parameters are identified using curve-fitting procedure based on long-term experimental data modular stack under New European Driving Cycle (NEDC). A good fit was found between and data, with R-squared values grea...
This paper proposes the fast and accurate electro-thermal model of existing Simrod three-phase inverter for an electric vehicle (EV) application. The research focuses on analytical dynamic models inverters that can be applied multi-applications. optimal design approach passive filters is presented DC AC sides inverter. has been established, including a mathematical representation induction moto...
To determine the amount of air pollutants, produced by Iranian automakers, and compare it with old and retrofitted vehicles have become one of the important tools of urban management. The present research uses International Vehicle Emission (IVE) modeling software in order to verify SAIPA Co. fleet emissions, based on Euro 4 emission standard (SAIPA Co. recognized as a superior Iranian brand in...
This paper proposes a double layered multi parameters braking energy recovery control strategy for Hybrid Electric Vehicle, which can combine the mechanical brake system with motor in process to achieve higher utilization efficiency and at same time ensure that vehicle has sufficient performance safety performance. The first layer of proposed this aims improve force distribution coefficient fro...
This study presents a series of analyzes considering the traction and steering demands an autonomous electric vehicle (AEV) as shuttle. The considered in here are dealt with driving cycle (DC) scenarios (DS) to assess performance AEV. aim this is evaluate issues such over engineering for AEV motor requirements on certain route by comparatively analyzing traditional dynamic calculation under DC ...
در این مقاله، شبیه سازی مصرف سوخت و آلاینده های خودرو سمند با موتور ملی دو گانه سوز به روش رو به عقب ارائه شده است. شبیه سازی خودرو با کمک نتایج آزمون منحنی های عملکردی موتور و واکنشگر شیمیایی در دو حالت بنزین سوز و گازسوز صورت گرفته است. در پایان، نتایج شبیه سازی با نتایج آزمون مودال لگام ترمز [4] شاسی تحت چرخه [5] رانندگی nedc مقایسه شده است. این مقایسه بیانگر تطابق مناسبی بین نتایج شبیه سازی...
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