电传动履带车辆感应电机驱动系统建模与性能预测

详细分析了某电传动履带车辆用100/150 kW三相交流感应电机转子磁场定向矢量控制原理,推导了数学模型并在此基础上利用Matlab/Simulink对感应电机驱动系统进行了建模与仿真分析。通过感应电机驱动系统实际台架试验对整个电机以及驱动系统的特性进行了详细的分析和评价。仿真与台架试验结果表明,所建立的模型正确,整个驱动控制系统具有额定转速之下恒转矩、额定转速之上恒功率、较宽的调速范围、良好的动态特性等特点。为了进一步评价此大功率感应电机驱动系统在电传动履带车辆上的实际应用,运用基于Matlab/Simulink种多体动力学分析软件RecurDyn的接口技术进行协同仿真研究,以0～32 km/h的加速性能和车速v=10 km／h、转向半径R=B的转向性能为例,对整车性能进行了预测。     

履带车辆电传动系统键合图建模与仿真分析

在深入分析履带车辆电传动系统各个单元的动态特性和相互作用的基础上,运用键合图理论构造了单侧履带较完整的动态模型,并且在SIMULINK软件上进行了仿真.仿真结果表明,综合运用键合图理论和SIMULINK仿真分析是进行系统动力学研究的一种有效方法.     

Analysis and Comparison of Electric Drive System Projects of Military Tracked Vehicles

The electric drive system characteristics of different projects for tracked vehicles are analyzed. For the two most typical projects, the parameters of power, torque and rotating speed and others of drive motor are figured out under the condition of satisfying adequate steering performance of the tracked vehicles. General opinions on the two projects are brought forward and conclusions are drawn.     

Study on Modeling and Control Strategy for Electric Drive Motor of Tracked Vehicles

Aimed at the requirements for electric transmission system of a military tracked vehicle, the motor’s design indexes were analysed and calculated. A model based on saturate inductance parameter of interior permanent magnet (IPM) synchronous motor was brought forward by using finite element analysis. And its control strategy based on the largest running capability was studied also. The experiment results for a scale model show that the modelling method improves the model’s accuracy, and the motor’s control strategy is effective.     

电传动履带车辆功率调节直线行驶控制仿真

双侧电驱动履带车辆执行机构为驱动电机,两侧动力独立输出,控制灵活;为达到与传统机械车辆相同的驾驶感觉,设计了基于功率调节的直线行驶控制策略;为解决直线行驶两侧电机同步控制问题,研究了基于模糊规则的转矩补偿方法;基于Matlab和Recurdyn软件进行了直驶和转向工况仿真实验,表明所设计的控制策略能够提高车辆直线行驶的稳定性。     

履带车辆电传动发动机一发电机组控制系统开发研究

发动机一发电机组作为能量产生装置为履带车辆电传动系統提供动カ源，从而发动机ー发电机组的控制成为电传动系统的关键技术之一。通过分析履带车辆电传动系统对发动机一发电机组的要求,确定了发动机一发电机组的具体功能及其控制策略,完成了发动机ー发电机组综合控制系统软硬件的设计开发，并在样车上进行试验研究。试验结果表明.,发动机一发电机组控制方案的设计可以满足整车各エ况对能量的需求，具有较好的响应性。     

Steering Dynamic Performance of an Electric Transmission Tracked Vehicle Based on Rotating Speed Control

In order to analyze steering dynamic performance of an electric transmission tracked vehicle exactly, modern design theory and methodology-collaborative simulation and virtual prototype are applied. The 3-D multi-body dynamic model of full vehicle running gears and control system model are built based on the simulation platform on dynamic analysis software known as RecurDyn/Track-HM and control system analysis software known as Matlab/Simulink. Theory analysis and collaborative simulation of turning kinematic/dynamic performance in different velocity and turning radius are made. Comparing the test result with theory computation validates the correctness of the model. The method has instructional significance of solving the existent modeling problem, comprehension of turning performance and test debugging strategy, and also forms a new idea of research on dynamic characteristics for the electric transmission tracked vehicle＇ s electric propulsion system.     

Analysis on Thermal Current Field in Powertrain Cabin of Tracked Vehicles With Electric Transmission System Configuration-2

The electric transmission system congfiguration-2 is one of the main electric drives for tracked vehicles. The geometrical model for the power-train cabin is established and the preliminary design for its cooling system is implemented.The mathematic model is established for thermal current field computation, simulation and analysis in the powertrain cabin. The three-dimensional structure of the powertrain cabin is optimized. The validity of the cooling system design is proved. The foundation for optimizing the whole electric transmission system configuration is laid.     

Research and Development of Engine-Generator Set Control System for Tracked Vehicle Electric Transmission System

As an energy generating equipment, the engine-generator set supplies power to the electric transmission. Therefore, its control is one of the key technologies of electric vehicles. Based on the discussion about the demands to the engine-generator set in tracked vehicles, the detailed function of engine-generator and the control strategy are determined. The hardware and software of the control system are also developed and tested in a prototype vehicle. The experiment results show that the control system has good reliability and can satisfy the power requirements of vehicles under all operating conditions.