行业研究报告题录
制造业--计算机、通信和其他电子设备制造业(2014年第18期)
(报告加工时间:2014-09-01 -- 2014-09-07)

境内分析报告

境外分析报告

  • 全球先进的CO2传感器市场报告(2014-2018年)
    These are next-generation CO2 sensors that can adjust automatically to changes in temperature, humidity, and altitude. Moreover, they have a lower error rate than standard CO2 sensors. Thus, advanced CO2 sensors enable end-users in the Industrial and Building Automation sectors to take critical decisions quickly.
  • 全球医疗生物传感器市场报告(2014-2018年)
    Medical biosensors are used to analyze biological components with the help of physicochemical detectors. These biosensors monitor health status, disease betterment and therapeutic treatment outcomes through invasive and non-invasive methods. They are costeffective and user-friendly devices. Also, they are standardized to minimize errors during the diagnosis of patients. Medical biosensors are mostly used in cholesterol detection, pathogen detection, muscle displacement, and cerebrospinal detection. Medical biosensors play a major role in improving patients' quality of life.
  • 全球电动工具市场报告(2014-2018年)
    Power tools are used to develop products with increased ease and convenience. There are several types of power tool such as engine-driven power tools, electric power tools, and pneumatic power tools. Engine-driven power tools use gasoline for their operation, whereas pneumatic power tools operate with the effective deployment of compressors. Power tools are adopted for several operations such as screw driving, drilling, chiseling, planning, routing, sanding, buffing, polishing, and leveling. In addition to being used in the Residential sector,power tools are adopted by several companies across industries such as Automotive, Infrastructure, Construction, Woodworking, Aerospace, and Electrical and Electronics.

外文技术报告

  • 高能激光器的相位共轭
    In this report we explore claims that phase conjugation of high energy lasers by stimulated Brillouin scattering (SBS) can compensate optical aberrations associated with severely distorted laser amplifier media and aberrations induced by the atmosphere. The SBS media tested was a gas cell pressurized up to 300 psi with SF6 or Xe or both. The laser was a 10 Hz, 3J, Q-switched Nd:YAG with 25 ns wide pulses. Atmospheric aberrations were created with space heaters, helium jets and phase plates designed with a Kolmogorov turbulence spectrum characterized by a Fried parameter, ro, ranging from 0.6 6.0 mm. Phase conjugate tests in the laboratory were conducted without amplification. For the strongest aberrations, D/ro approx. 20, created by combining the space heaters with the phase plate, the Strehl ratio was degraded by a factor of approx. 50. Phase conjugation in SF6 restored the peak focusable intensity to about 30of the original laser. Phase conjugate tests at the outdoor laser range were conducted with laser amplifiers providing gain in combination with the SBS cell. A large 600,000 BTU kerosene space heater was used to create turbulence along the beam path. An atmospheric structure factor of Cn2 = 5x10-13 m2/3 caused the illumination beam to expand to a diameter 250mm and overfill the receiver. The phase conjugate amplified return could successfully be targeted back onto glints 5mm in diameter. Use of a lenslet arrays to lower the peak focusable intensity in the SBS cell failed to produce a useful phase conjugate beam; The Strehl ratio was degraded with multiple random lobes instead of a single focus. I will review literature results which show how multiple beams can be coherently combined by SBS when a confocal reflecting geometry is used to focus the laser in the SBS cell.
  • 托勒密二号执行器的最大允许成分
    The 'Cyber' and 'Physical' worlds are merging. Cyber-Physical Systems (CPS) are no longer isolated, but start to reach into the Cloud, thereby composing a network which realizes the concept that became known as The Internet of Things. The dynamic nature of the applications in this domain poses significant technical challenges concerning the assurance of important system properties like reliability, robustness, adaptability, and security. Modeling has proven itself to be a valuable tool in gaining better understanding of complex systems, but existing modeling platforms may lack the expressivity to model these new, much more dynamic, and opportunistically composed systems in which the data they handle typically does not conform to a rigid structure. This thesis addresses the problem of handling dynamic data, in the statically typed, actor-oriented modeling environment called Ptolemy II. It explores the possibilities of using type inference to statically type dynamic data and leverage dynamic type checking to invoke error handling strategies that enhance robustness. The goal is to achieve maximally permissive composition, and the presented solution comes in the form of backward type inference. Backward inferred types are specific enough not to limit composability and general enough not to impose unnecessary constraints on the data. The type constraints imposed by downstream actors determine the type of the otherwise underdetermined output ports of actors that mediate access to untyped resources. This is achieved using additional type constraints, without changing Ptolemy II's original type resolution algorithm, and with no significant impact on the run-time of type resolution. The proposed solution was implemented successfully and has been adopted as an extension of the Ptolemy II type system. As a byproduct, this thesis gives a thorough case study of the Ptolemy II type system.
  • 最终技术报告:用于照明的大功率暖白光LED混合封装
    In this project, an integrated warm-white hybrid light engine was developed. The hybrid approach involves combining phosphor-converted off-white InGaN LEDs and direct-emitting red AlInGaP LEDs in a single light engine to achieve high efficacy together with high color rendering index. We developed and integrated technology improvements in InGaN and AlInGaP die technology, phosphor technology, package architecture and encapsulation, to realize a hybrid warm-white LED package with an efficacy of 140 lm/W at a correlated color temperature of 3000K and a color rendering index of 90, measured under representative operating conditions. This efficacy is 26higher than the best warm-white LEDs of similar specification that are commercially available at the end of the project. Since the InGaN- and AlInGaP-based LEDs used in the hybrid engine show different behavior as a function of current and temperature, a control system needs to be in place to ensure a stable color point over all operating conditions. In this project, we developed an electronic control circuit that is fully integrated into the light engine in such a way that the module can simply be driven by a conventional single-channel driver. The integrated control circuit uses a switch-mode boost converter topology to control the LED drive currents based on the temperature and the input current of the light engine. A color control performance of 5 SDCM was demonstrated, and improvement to 3 SDCM is considered well within reach. The combination of high efficacy and ease of integration with existing single-channel drivers is expected to facilitate the adoption of the hybrid technology and accelerate the energy savings associated with solid-state lighting. In the product commercialization plan, downlights and indirect-lit troffers have been selected as the first target applications for this product concept. Fully functional integrated prototypes have been developed for both applications, and the business case evaluation is ongoing as of the end of the project.

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