标准键盘布局比较与优化设计

键盘作为基本的人机交互设备之一,在多个领域有广泛的应用。对于标准键盘,现有的Qwerty键盘布局并不是为提高工作效率而设计的。而键盘输入作为一个复杂的人体工程学问题,依赖于操作者的习惯、不同手指的易用性差异以及不同的文本信息等诸多因素。在键盘输入过程分解、手指参数假定和语言文本分析之上,通过定义距离矩阵和文本矩阵,为标准键盘布局比较和优化设计建立较为客观的评价模型,并对现有键盘布局进行比较。作为应用,给出了针对汉语拼音输入的新键盘布局,并利用实际文本进行了测试与比较。

Layout Comparison and Optimal Design of the Standard Keyboard

As one of the basic human interface devices, the keyboard has a versatile application in many fields. To standard keyboard, the commonly used Qwerty keyboard layout is not designed for improving work efficiency. The keyboard entry is a complicated human engineering problem, which varies with the factors such as typists＇ habits, usability divergence of fingers and different text information. By decomposing the keyboard entry process, assuming parameters about fingers and analyzing text information, the paper defines the Distance Matrix and the Text Matrix to build a more objective model for the layout comparison and optimal design of the standard keyboard. Comparison of the existent keyboard layouts is made and a new efficient layout for inputting Pinyin-based Chinese is established.