基于加速度传感器的倾角仪设计_田小芳.pdf

第19 卷 第2 期 传 感 技 术 学 报 V ol. 19 No. 2 2006 年4 月 CHINESE JOURNAL OF SENSORS AND ACT UATORS Apr. 2006 Design of Tilt- Sensor Based on Accelerometer TIA N X iao-f ang , L UQi-yong , X I ON G Chao (E . E. Dep tm. Fu an University , Shanghai 200433, China) Abstract: T he principle o f t ilt det ect ing u sing accelerom et er A DXL 213 is analy zed T he designing method of dig ital du al t ilt- sen sor based on A DX L2 13 and t he hardw ar e and sof tw are implement are also described T he precision is improv ed by select ing t he prop er f requency and bandw idt h , calibrat ing t he initial p arame- t er and co mpen sat ing t he errors Com pared w it h the co nventio nal met hod, it h as high sen sit ivit y and rap id responsibilit y Exp eriment al m easurements show t h at it is fit f or practical eng ineering applicat ion Key words: acceleromet er; t ilt detect ing; error cor rect ion; A DX L 213; M CU system EEACC:7230 7320E 田小芳, 陆起涌, 熊 超 ( , 200433) : A DXL 2 13 , ADX L2 13 , , , : ; ; ; A DXL 213; :TP212. 1 :A : 1004- 1699( 2006) 02-0361-03 A DX L 213 , , , 1 , , A DX L 213 A D [ 1] / 0 , M EMS , [ 2, 3] , , , MEM S A DX L 213 , 1 , , , , , ? 1 2 gn , , A/ D : 2005- 06- 20 : ( 19 81-) , , , 200 3 , , , , 0 3202 1029 @ fudan edu cn ; ( 1966-) , , , , , , ; ( 19 81-) , , , 362 传 感 技 术 学 报 2006 年 , , , ; , L CD , [ 4]