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DSPIC BASED POWER ASSISTED STEERING USING BRUSHLESS DIRECT CURRENT MOTOR | Science Publications

机译:无刷直流电机的基于DSPIC的功率辅助转向|德州仪器TI.com.cn科学出版物

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> This study illustrates the Electrically Assisted power Steering (EAS) using BLDC motor for a vehicle. Earlier the Electrically Assisted power Steering (EAS) was implemented with DSP. This study shows the usage of a dsPIC to control the BLDC motor with an encoder. The BLDC motor here is driven by dsPIC through a three phase inverter system. IRAMS type of inverter is used which is cost efficient and space efficient. The dsPIC supplied with the input of the steering. In its higher capacity the vehicles speed controller acts as the assistance level controller for steering effort. At the lower capacity, the torque controller gives the effort level control. In reality this can be realized as torque sensor and vehicle sensor interfaced in the dsPIC. For actual implementation in the system, a dsPIC-based BLDC motor controller with three-phase inverter module is used with Hall-effect sensor feedback. It is designed in such a way that the driver assistance can be varied at any time without any difficulty.
机译: >这项研究说明了使用BLDC电机进行车辆的电动助力转向(EAS)。早期,电动助力转向(EAS)是通过DSP实现的。这项研究表明了使用dsPIC来通过编码器控制BLDC电机。 dsPIC通过三相逆变器系统驱动BLDC电机。使用IRAMS类型的逆变器,既节省成本又节省空间。 dsPIC提供了转向输入。车辆速度控制器以其更高的容量充当转向助力的辅助级别控制器。在较低的容量下,扭矩控制器提供力度级别控制。实际上,这可以通过在dsPIC中连接扭矩传感器和车辆传感器来实现。为了在系统中实际实现,将带有三相逆变器模块的基于dsPIC的BLDC电机控制器与霍尔效应传感器反馈一起使用。它的设计使驾驶员辅助可以在任何时间无困难地变化。

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