Title :
Application of Lead-free piezoelectric materials for car reversing aid system
Author :
Kong, Xiang-Ming ; Ren, Tian-Ling ; Yang, Yi ; Ren, Yuan ; Chen, Hao ; Fu, Di ; Liao, Wen-Jun ; Wang, Yu-Feng ; Yu-feng Wang ; Liu, Li-Tian
Author_Institution :
Inst. of Microelectron., Tsinghua Univ., Beijing, China
Abstract :
The ultrasonic ranging system is widely used in automobiles, mobile robots, industrial control systems, etc. Ultrasonic transducer is the core component of car reversing aid system (CRAS). At present, Lead Zirconate Titanate (PZT) is generally used as piezoelectric material for ultrasonic transducer. In this paper, a method of successful use of Barium Titanate (BT) material in transducer application is proposed. Actual measurement shows the measurement error is within 2 cm, and the measurement range is larger than 170 cm.
Keywords :
automotive electronics; barium compounds; distance measurement; measurement errors; piezoelectric materials; ultrasonic transducers; BaTiO3; car reversing aid system; lead-free piezoelectric materials; measurement error; ultrasonic ranging system; ultrasonic transducer; Automobiles; Automotive materials; Barium; Environmentally friendly manufacturing techniques; Industrial control; Mobile robots; Piezoelectric materials; Titanium compounds; Ultrasonic transducers; Ultrasonic variables measurement;
Conference_Titel :
Applications of Ferroelectrics, 2009. ISAF 2009. 18th IEEE International Symposium on the
Conference_Location :
Xian
Print_ISBN :
978-1-4244-4970-5
Electronic_ISBN :
1099-4734
DOI :
10.1109/ISAF.2009.5307594
