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基于PSD技术的控制器两片硬件设计
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作者 唐义良 王心远 邹道元 《测控技术》 CSCD 1999年第3期48-50,共3页
介绍了以现场可编程系统器件PSD501和16位单片机80C196KC为核心构成的两片控制器的硬件设计方法。通过一个控制器设计的实例将基于PSD技术的微机控制器的硬件设计与传统的以数字集成电路为基础的设计进行比较,研究表明基于PSD技术的硬... 介绍了以现场可编程系统器件PSD501和16位单片机80C196KC为核心构成的两片控制器的硬件设计方法。通过一个控制器设计的实例将基于PSD技术的微机控制器的硬件设计与传统的以数字集成电路为基础的设计进行比较,研究表明基于PSD技术的硬件设计是简化硬件、提高可靠性的有效方法。 展开更多
关键词 现场 可编程系统器件 PSD HDL 控制器 硬体设计
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Office Furniture Design for Wheelchair User
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作者 Francisca Jose Castillo Rueda Oscar David de Cozar Macias Maria del Carmen Ladron de Guevara Munoz Jose Ignacio Jimenez Gonzalez Elidia Beatriz Blazquez Parra 《Journal of Civil Engineering and Architecture》 2012年第11期1482-1491,共10页
There are an estimated 1.19 million wheelchair users in Spain. People use wheelchairs for a variety of reasons, the most common one is paralysis from spinal cord injuries. Current estimates indicate there are around 5... There are an estimated 1.19 million wheelchair users in Spain. People use wheelchairs for a variety of reasons, the most common one is paralysis from spinal cord injuries. Current estimates indicate there are around 504,000 people alive in Spain with spinal cord injuries. Among other reasons for using wheelchairs are: fatigue from multiple sclerosis, muscle weakness from muscular dystrophy, lower limb spasticity from cerebral palsy, and missing limbs due to amputation. People who use wheelchairs may encounter a variety of obstacles at their workstations depending on their limitations. Some possible accommodations could be adjustable height desk or table for a person who cannot work comfortably at an existing desk, accessible filing system or office supplies, and frequently used materials on most accessible shelves or drawers for a person who cannot reach upper and lower shelves and drawers. This paper presents the graphical design of a workstation for wheelchair users, in this case, technical, anthropometric, ergonomic, aesthetics and scientists aspects have been analyzed. The design of composite structure conduct to explicit safety constraints applied to office furniture requirements kept continuously current and updated as part of innovation. Finally, results are showed in a three-dimensional model. 展开更多
关键词 Computers graphics furniture design wheelchair users ERGONOMIC
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