|
|||||
|
|
| 液驱混合动力车辆液压系统建模及仿真 | |
| 引用本文： | 张庆永,常思勤. 液驱混合动力车辆液压系统建模及仿真[J]. 南京理工大学学报(自然科学版), 2008, 32(6) |
| 作者姓名： | 张庆永 常思勤 |
| 作者单位： | 南京理工大学,机械工程学院,江苏,南京,210094;南京理工大学,机械工程学院,江苏,南京,210094 |
| 基金项目： | 江苏省"六大人才"高峰资助项目 |
| 摘 要： | 为了分析液驱混合动力车辆的动态特性并优化液压系统的主要设计参数,建立了液压系统双向变量马达、液压蓄能器及其它主要元件的数学模型,定义了气囊式液压蓄能器的多变指数和气体体积变化率之间的关系.完成了液压系统动态仿真计算,采用BCS-GEAR算法和开关状态来解决仿真过程中出现的不稳定现象.对所得的仿真计算结果进行了分析.在相同的初始条件和控制方法下,在自行研制的实验装置上进行了验证性实验.对负载转速响应和液压系统压力进行比较,仿真结果与实验结果相吻合,证明了系统模型和仿真算法的正确性. |
| 关 键 词： | 液驱混合动力车辆 液压系统 动态特性 建模 仿真 |
Modeling and Simulation on Hydraulic System of Hydraulic Hybrid Vehicles |
|
| ZHANG Qing-yong,CHANG Si-qin. Modeling and Simulation on Hydraulic System of Hydraulic Hybrid Vehicles[J]. Journal of Nanjing University of Science and Technology(Nature Science), 2008, 32(6) | |
| Authors: | ZHANG Qing-yong CHANG Si-qin |
| Affiliation: | School of Mechanical Engineering;NUST;Nanjing 210094;China |
| Abstract: | To analyze the dynamic performance of hydraulic hybrid vehicles and to optimize the main design parameters of the hydraulic system,the mathematical models of the hydraulic system are established,which includes bidirectional variable-displacement motor,hydraulic accumulator and other components.The relation between polytropic exponent of bladder accumulator and variation rate of gas volume is defined.The hydraulic system is simulated.BCS-GEAR algorithm and switch states are applied to solve the unsteady phen... |
| Keywords: | hydraulic hybrid vehicles hydraulic systems dynamic characteristics modeling simulations |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ | |