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Vol. 141, No. 6, June 2012, pp. 35-44

 

Bullet

 

The Design of a New Instrument for Pen-contact Force Information Acquisition during Handwriting

 

Jianfei Luo 1,2,3, Baoyuan Wu 2, Qiushi Lin 3, Zhongcheng Wu 3, Fei Shen 3

1 Department of Automation, University of Science and Technology of China, Anhui 230027, China

2 Institute of Intelligent Machines, Chinese Academy of Sciences, Anhui 230031, China

3 High Magnetic Field Laboratory, Chinese Academy of Sciences, Anhui 230031, China

E-mail: jfluo@mail.ustc.edu.cn

 

Received: 17 May 2012   /Accepted: 25 June 2012   /Published: 30 June 2012

 

Digital Sensors and Sensor Sysstems

 

Abstract: This paper describes a design and implementation of a new force-based instrument for the measurement of pen-contact force information. The instrument has the ability to detect 3-D forces and 2-D torques of writing force. Additionally, other handwriting information can be got through a special structure simultaneously. The condition design of the instrument is described for obtaining the force signals accurately, and the calibration is also discussed by applying a neural network algorithm. The experiments are carried out to validate the rationality and feasibility of the instrument to the potential applications.

 

Keywords: Pen-contact force, Handwriting, Visual feedback, Human computer interface

 

 

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