| 基于飞思卡尔MCU的汽车电控悬架系统的设计 |
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| 引用本文： | 王炳,杨宇卿,柯龙章.基于飞思卡尔MCU的汽车电控悬架系统的设计[J].微电子学,2008,38(6). |
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| 作者姓名： | 王炳 杨宇卿 柯龙章 |
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| 作者单位： | 1. 江苏大学电气信息工程学院,江苏,镇江,212013
2. 鄂东职业技术学院,湖北,黄冈,438000 |
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| 基金项目： | 浙江省重大科技专项重点项目
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| 摘 要： | 为了提高车辆的操纵稳定性,设计了一种基于DSP56F8346的汽车电控悬架系统(ECAS).该系统实时检测车身高度信息,若车身高度偏离某个目标值,系统立即产生控制信号,对空气弹簧进行充气或排气操作,使车身维持在目标高度.对所设计的硬件系统进行了试验,结果表明,该系统具有较快的响应速度和较高的控制精度,测量精度达到±0.005 m,车身高度控制精度达到±0.015 m,可满足对车身高度实时、准确控制的要求.
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| 关 键 词： | 电控悬架系统 汽车电子 微处理器 数字信号处理器 高度传感器 |
Design of Electronically Controlled Air Suspension Based on Freescale's MCU |
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| WANG Bing,YANG Yu-qing,KE Long-zhang.Design of Electronically Controlled Air Suspension Based on Freescale's MCU[J].Microelectronics,2008,38(6). |
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| Authors: | WANG Bing YANG Yu-qing KE Long-zhang |
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| Institution: | WANG Bing~1 YANG Yuqing~2 KE Longzhang~2 (1.School of Electrical , Information Engineering,Jiangsu University,Zhenjiang,Jiangsu 212013,P.R.China,2.Edong Institute of Vocation & Technology,Huanggang,Hubei 438000,P.R.China) |
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| Abstract: | In order to effectively improve the manipulation stability of vehicles,an electronically controlled air suspension(ECAS)system was designed based on DSP56F8346.This system detects height signals of the vehicle body in real time,and make the vehicle's body stay on a certain target-height by sending control signals to charge and discharge air spring immediately after the vehicle body height was detected to deviate from a certain target value. Hardware design of the system was tested through experiment,and exp... |
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| Keywords: | ECAS Automotive electronics MCU DSP Height sensor |
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