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Development of an Android OS Based Controller of a Double Motor Propulsion System for Connected Electric Vehicles and Communication Delays Analysis

机译:基于Android OS的电动汽车双电机驱动系统控制器开发及通信时延分析

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摘要

Developments of technologies that facilitate vehicle connectivity represent a market demand. In particular, mobile device ( MD) technology provides advanced user interface, customization, and upgradability characteristics that can facilitate connectivity and possibly aid in the goal of autonomous driving. This work explores the use of a MD in the control system of a conceptual electric vehicle (EV). While the use of MD for real-time control and monitoring has been reported, proper consideration has not been given to delays in data flow and their effects on system performance. The motor of a novel propulsion system for an EV was conditioned to be controlled in a wireless local area network by an ecosystem that includes a MD and an electronic board. An intended accelerator signal is predefined and sent to the motor and rotational speed values produced in the motor are sent back to the MD. Sample periods in which the communication really occurs are registered. Delays in the sample periods and produced errors in the accelerator and rotational speed signals are presented and analyzed. Maximum delays found in communications were of 0.2 s, while the maximum error produced in the accelerator signal was of 3.54%. Delays are also simulated, with a response that is similar to the behavior observed in the experiments.
机译:促进车辆连通性的技术发展代表了市场需求。特别是,移动设备(MD)技术提供了高级的用户界面,自定义和可升级性特征,可以促进连接并可能有助于实现自动驾驶的目标。这项工作探索了MD在概念电动车(EV)的控制系统中的使用。尽管已经报道了使用MD进行实时控制和监视,但尚未适当考虑数据流的延迟及其对系统性能的影响。对用于电动汽车的新型推进系统的电动机进行了调节,使其在无线局域网中由包含MD和电子板的生态系统进行控制。预定义了预期的加速器信号,并将其发送到电动机,并将电动机中产生的转速值发送回MD。记录实际发生通信的样本时间。呈现并分析了采样周期中的延迟以及加速器和转速信号中产生的误差。通信中发现的最大延迟为0.2 s,而加速器信号中产生的最大误差为3.54%。还模拟了延迟,其响应类似于实验中观察到的行为。

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