以消费电子为主战场的MEMS传感器,能攻下工业4.0?

Release time:2017-06-19
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source:新电子
reading:96


微机电(MEMS)传感器目前仍以消费性电子产品为主要应用市场。 然而,在工业4.0转型的路上,MEMS传感器的妥善使用也相当重要。 博世集团(Bosch)凭借着自身于电子产业的经验成立了顾问团队,协助台湾各产业工厂实现产线智能化的目标。

博世集团(Bosch)微机电(MEMS)传感器已广泛应用于智能型手机及平板计算机等行动装置上。 另外,也正积极开发穿戴式装置、健身追踪器等消费性电子产品的MEMS传感器应用。 Bosch Sensortec台湾暨东南亚总经理黄维祥指出,Bosch所产出的MEMS传感器,主要应用以手持式设备为主,并以1年销售超过十亿支的智能型手机为最大市场。 除此之外,市面上许多屏幕、键盘能够分离的笔记本电脑也能见到MEMS传感器的应用。 未来,也将持续拓展穿戴式设备、VR/AR设备的MEMS传感器应用。

除此之外,Bosch在协助厂商工业4.0转型时,MEMS传感器也扮演着举足轻重的角色。 Bosch在台湾除了积极推动自身工厂的工业4.0转型,也正协助台湾的各产业升级至工业4.0环境。 Bosch旗下子公司博世力士乐(Bosch Rexroth)于2016年11月获颁经济部工业局自动化审查合格证书,成为工业局功能性项目辅导计划之技术服务单位。 未来将结合工业局资源,协助在地产业研发、创新与提升效能。

Bosch工厂自动化销售经理陈俊隆指出,台湾各产业皆有许多任务厂积极寻求工业4.0转型顾问服务,希望工厂作业流程能更加数字化、智能化。 然而,厂商对于该如何执行与立定目标成效却少有精确的想法。 陈俊隆认为,除了制程数字化已久的电子业之外,在台湾,目前以纺织业工厂最为积极寻求工业4.0转型。 而工业4.0转型并不止于成立全新、完整的智能化、数字化生产线,更重要的是协助老旧工厂在一定的预算与种种限制之下,达成适宜的工业联网。

陈俊隆分享,台湾纺织业者已经有非常成熟的制程设备,然而原有设备常常已无法应付当代多样化、少量生产需求。 陈俊隆进一步分析,在协助许多台湾纺织厂进行价值链分析后,发现阻碍智能化的瓶颈其实是在制程后端。 纺织厂商可以保留大部分的旧有设备,只须将后端大型机械更换为能够应付小量生产并能灵活运用的设备,便能够提高生产效益。 并且,再运用MEMS传感器,掌握湿度、温度、震动等等数据讯号,妥善监控所有设备的运作状况。 进而达到降低机械损坏的机率、提高生产线的稳定性,同时符合少量多样的生产需求,让现有产线设备发挥最大可用性。

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Micro-electro-mechanical systems (MEMS) chips cannot be virtually fabricated using conventional electronic design automation (EDA) tools because their three-dimensional structures cannot be represented well there. Computer Aided Design (CAD) tools are closer to the mark, but usually work on millimeter- instead of micron-size scales. To bridge the gap, Coventor Inc. (Cary, North Carolina) has created its Coventor and MEMS+ tools, which have now been merged into a single unified platform perfect for Internet of Things (IoT) makers, according to Steve Breit, vice president of MEMS business for Coventor. By dove-tailing the library-based MEMS+ design flow into the finite element modeling of Coventor the new CoventorMP covers all bases for MEMS chip design and manufacturer.  (Source: Coventor) "Our new unified MEMS platform, CoventorMP, integrates our older separate platforms -- CoventorWare and MEMS+ for separate design-modeling and device-simulation -- into a single platform that integrates with Cadence and specific foundry PDK's [process design kits] for modeling, design, simulation and test all with the same platform," Breit told EE Times in an exclusive interview before the announcement. CoventorMP sports compact finite analysis tools that look like PDKs for semiconductors, but for MEMS devices. A library of generic MEMS parts that cover the spectrum of devices today, can be assembled into a particular MEMS structure. CoventorMP is agnostic to processes, but has been specifically adapted to Cadence EDA and X-Fab PDK, resulting in a MEMS-PDK (MPDK) that looks like what semiconductor designers expect, only for MEMS. CoventorMP's interfaces directly with Matlab, Simulink and Cadence making designs foundry ready.  (Source: Coventor) In fact, Coventor, Cadence Design Systems, X-FAB and Reutlingen University are jointly sponsoring a worldwide MEMS Design contest with an $8,000 purse for 10 hand-selected entries (from a field of 20) to design MEMS-based solutions for IoT and other applications. The winners will be announced in early 2018. Steve Breit, Vice President of MEMS Business for Coventor.  (Source: Coventor) The applications being developed by the 10 teams are aimed at medical, sensing and inertial tracking techniques that are not only novel, but which have value to society. The first place winner will get not only the CoventorMP tools and $5,000 in cash, but also a free manufacturing run on X-Fab's line. Besides Cadence and X-Fab, Coventor is also working with other EDA makers and foundries to come up with new specific MEMS-PDK versions to make CoventorMP seamlessly compatible with their tools, too. "We want a single-point Gold Standard design entry using the library approach where you adjust parameters for the integrated base of MEMS components you picked, do a simple simulation with MEMS+ then do more detailed behavior simulations as with CoventorWare," said Breit. "If you need more sophisticated simulations then you export the design to MatLab, the Simulink modeling environment, the Cadence Virtuoso circuit modeling environment, or SPICE simulators that support Verilog-A. With these you can get accurate system dynamics, such as calculate the signal-to-noise ratio for a MEMS microphone including the sensitivity of the electronics." Included in the MEMS library are gyroscopes, accelerometers, microphones, pressure sensors, scanning micro mirrors plus MPDKs and validated models suitable for submission to foundries.
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