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所属行业:汽车制造业

  • 51921.精益绿色能源控制机的最终报告

    [汽车制造业] [2014-07-29]

    Achieving efficiency improvements and providing demand-response programs have been identified as key elements of our national energy initiative. The residential market is the largest, yet most difficult, segment to engage in efforts to meet these objectives. This project developed Energy Management System that engages the consumer and enables Smart Grid services, applications, and business processes to address this need. Our innovative solution provides smart controller providing dynamic optimization of energy consumption for the residential energy consumer. Our solution extends the technical platform to include a cloud based Internet of Things (IoT) aggregation of data sensors and actuators the go beyond energy management and extend to life style services provided through compelling mobile and console based user experiences.
    关键词:控制器;精益;绿色能源;最终报告
  • 51922.基于自适应LQG控制和模糊控制器的容错控制系统

    [汽车制造业] [2014-07-29]

    This paper describes a fault tolerant switching loop control study case for a three water tank laboratory setup with sensors and actuators redundancies. Fault diagnosis and tolerance are two main characteristics of intelligent setups when closed-loop control is used for large complex systems. Discrete adaptive LQG (linear quadratic) and Fuzzy fault tolerant controllers, for nominal situation, are presented and tested in the laboratory setup. For abrupt fault situation (structural fault), switching from one controller to another based on controller performance evaluation using PCA (principal component analysis) technique is implemented. The main contributions are: (a) proposed approach based on PCA to detect structural faults; (b) performance assessment based on performance index through Mahalanobis distance using T~2 statistics and (c) control switching between LQG and Fuzzy controllers based on the performance index. Experimental results applied to a three-tank laboratory setup in the presence of a structural fault are shown to evaluate the performance of the proposed approach.
    关键词:控制器;自适应控制;LQG;模糊控制器;容错控制系统
  • 51923.救护病人货厢设计调查报告

    [医药制造业,汽车制造业] [2014-07-29]

    NIST conducted a survey (Office of Management and Budget, Control No. 1090-0007) of the emergency medical services (EMS) professionals in December 2011. The objective of the survey is to aid in the development of design standards for the patient compartment in ambulances and to measure customer satisfaction with current design standards. A total of 2,537 responses were collected and provided insight into their work environment such as seating, occupancy, ergonomics, restraint systems, communications. The survey also provides information regarding their ability to perform in the patient compartment of ambulances such as the reach and usage of equipment and supplies. This report summarizes the quantifiable data collected from the survey responses. The survey supports a larger effort that is addressing performance and safety issues associated with the design of emergency medical services (EMS) vehicles, including the development of standards for the design of patient compartments in ambulances.
    关键词:救护车;患者;车厢;紧急医疗服务;医疗器械
  • 51924.全球微型电动车市场报告(2014-2018年)

    [汽车制造业] [2014-07-29]

    Micro electric vehicles are vehicles that have electric battery propulsion with a power rating between 4 kWh and 10 kWh, and they are generally two- to four-seater vehicles. This class of vehicles was earlier considered in the electric vehicles category, but as a result of the increased demand for micro electric vehicles and the rapid growth of the market, they are now considered as a category. The Micro Electric Vehicles market is classified into three segments: Quadricycles, Golf Carts, and Mobility Vehicles for the Disabled.
    关键词:微型电动汽车;额定功率;电池;四轮车;高尔夫球车;移动车辆
  • 51925.立体3D数字雷达显示在空中交通控制器的性能效果

    [汽车制造业,计算机、通信和其他电子设备制造业] [2014-07-29]

    Air traffic controllers are responsible for directing air traffic based upon decisions made from traffic activity depicted on 2Dimensional (2D) radar displays. Controllers must identify aircraft and detect potential conflicts while simultaneously developing and executing plans of action to ensure safe separation is maintained. With a nearly 100% increase in traffic expected within the next decade (FAA, 2012a), controllers’ abilities to rapidly interpret spacing and maintain awareness for longer durations with increased workload will become increasingly imperative to safety.
    关键词:控制器;立体;3D显示效果;数字雷达;空中交通控制器
  • 51926.分数阶微积分的模糊PID控制器增强

    [汽车制造业] [2014-07-29]

    The integer order fuzzy Proportional-Integral-Derivative (PID) controller has been generalized in this chapter to include fractional order derivative and integrals. It works on the closed loop error and its fractional derivative as the input and has a fractional integrator in its output. Other fractional variants of the integer order fuzzy logic controller are also briefly introduced. The fractional order differ-integrations in the proposed fuzzy logic controller (FLC) are kept as design variables along with the input-output scaling factors (SF) and are optimized with Genetic Algorithm (GA) while minimizing several integral error indices along with the control signal as the objective function. Simulations studies are carried out to control a delayed nonlinear process and an open loop unstable process with time delay. The closed loop performances and controller efforts in each case are compared with conventional PID, fuzzy PID and PI~λD~μ controller subjected to different integral performance indices. Simulation results show that the proposed fractional order fuzzy PID controller outperforms the others in most cases.
    关键词:控制器;分数阶微积分;模糊;PID
  • 51927.先进的控制系统性能评价

    [汽车制造业] [2014-07-29]

    关键词:控制器;控制系统;性能评价
  • 51928.液态氢的地面操作示范装置(GODULH2)

    [汽车制造业] [2014-07-28]

    Current Kennedy Space Center practice results in half the hydrogen purchased being lost——Leads to large economic losses. KSC needs are different than other industrial gas customers. The industrial gas companies are optimized for other customers needs. KSC should modernize its liquid hydrogen systems, taking into account cryogenic advances made in the past 50 years, to optimize life cycle costs for the unique KSC application. Project H ideas for local hydrogen production, gaseous distribution, integrated refrigeration and storage, and high efficiency transfer lines should be investigated further
    关键词:液态氢;地面操作;示范装置
  • 51929.全球起重机市场报告(2014-2018年)

    [汽车制造业] [2014-07-27]

    The Construction Equipment market has experienced several pitfalls in the past decade because of the global economic recession. The Crane market forms an integral part of the Construction Equipment market and has co-witnessed the market falls. There are broadly three types of cranes: mobile cranes, marine and port cranes, and fixed cranes. Cranes can be categorized as per their load lifting capacity, lift height, and outreach. The Global Crane market is currently undergoing a radical change, fueled by the growth of emerging economies, exponential growth of the Infrastructure industry, and drive toward greater energy efficiency.
    关键词:建筑设备;全球经济衰退;移动式起重机;海洋;港口起重机;固定式起重机
  • 51930.2012年2月9日密西根州南菲尔德对于汽车轻量化实施先进高强度钢车间的关键技术差距

    [金属制品业,汽车制造业] [2014-07-27]

    The six important technical areas were selected by the workshop organizing committee, a group of experts from the auto and steel industries, and scientists from several National Laboratories. These selections were based on areas where there were known technical gaps, which if closed would have high impact on accelerating vehicle lightweighting with AHSS. The selected areas were: Steel Development, Fracture, Plasticity, Delayed Fracture/Hydrogen Embrittlement, Modulus Characterization and Joining. The main output of the workshop is contained within the breakout session reports, which summarize the technical requirements, engineering gaps and research needs. The breakout session reports are included below in the main workshop report.
    关键词:钢铁;汽车;材料加工;车间;汽车燃料
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