Abstract: A method may include obtaining a normal set point of a solar panel and a wind velocity measurement corresponding to wind that affects the solar panel. The method may include determining an allowable range of tilt angles according to a first lookup table that describes a relationship between the wind velocity measurement and the allowable range of tilt angles. The method may include identifying whether the normal set point of the solar panel is outside of the allowable range of tilt angles, and responsive to identifying that the normal set point of the solar panel is outside of the allowable range of tilt angles, determining a temporary stow set point. The method may include rotating the solar panel to the temporary stow set point.

Abstract: Methods and systems stowing one or more photovoltaic (PV) modules based on a weather event forecasts are provided. In one embodiment, a method may include receiving a weather event forecast, such as a snow event forecast, for a location of a tracking system that includes a plurality of PV modules, determining that the weather event forecast for the location of the tracking system exceeds a threshold level of severity, and automatically positioning the plurality of PV modules at the location of the tracking system into a stow configuration. In some embodiments, the method may further require receiving confirmation of the weather event from a sensor at the location of the tracking system before positioning the PV modules in the stow configuration.

Abstract: A method may include obtaining information from a weather forecasting service that relates to indicators of an incoming hail event. The method may include determining a stowing score that quantifies whether the hail event is likely to occur within a period of time based on the information from the weather forecasting service. Responsive to the stowing score exceeding a threshold value, a time at which the incoming hail event is likely to occur may be predicted based on the weather forecasting service information. The threshold value may indicate a threshold likelihood of the hail event occurring or a threshold period of time before occurrence. The method may include determining a wind direction at the predicted time at which the hail event is likely to occur and stowing photovoltaic modules based on the wind direction.

Abstract: A method may include obtaining a normal set point of a solar panel and a wind velocity measurement corresponding to wind that affects the solar panel. The method may include determining an allowable range of tilt angles according to a first lookup table that describes a relationship between the wind velocity measurement and the allowable range of tilt angles. The method may include identifying whether the normal set point of the solar panel is outside of the allowable range of tilt angles, and responsive to identifying that the normal set point of the solar panel is outside of the allowable range of tilt angles, determining a temporary stow set point. The method may include rotating the solar panel to the temporary stow set point.

Abstract: Exemplary embodiments of the present disclosure address problems experienced in conventional tracking systems, including problems associated with inefficiencies created during diffuse light conditions. Embodiments disclosed herein address this problem by altering an angular orientation of PV modules during diffuse light conditions to ensure that the PV modules are in a position that more efficiently generates energy from diffuse irradiance.

Abstract: A method may include obtaining information from a weather forecasting service that relates to indicators of an incoming hail event. The method may include determining a stowing score that quantifies whether the hail event is likely to occur within a period of time based on the information from the weather forecasting service. Responsive to the stowing score exceeding a threshold value, a time at which the incoming hail event is likely to occur may be predicted based on the weather forecasting service information. The threshold value may indicate a threshold likelihood of the hail event occurring or a threshold period of time before occurrence. The method may include determining a wind direction at the predicted time at which the hail event is likely to occur and stowing photovoltaic modules based on the wind direction.

Abstract: A method may include obtaining a normal set point of a solar panel and a wind velocity measurement corresponding to wind that affects the solar panel. The method may include determining an allowable range of tilt angles according to a first lookup table that describes a relationship between the wind velocity measurement and the allowable range of tilt angles. The method may include identifying whether the normal set point of the solar panel is outside of the allowable range of tilt angles, and responsive to identifying that the normal set point of the solar panel is outside of the allowable range of tilt angles, determining a temporary stow set point. The method may include rotating the solar panel to the temporary stow set point.

Abstract: A method may include obtaining information from a weather forecasting service that relates to indicators of an incoming hail event. The method may include determining a stowing score that quantifies whether the hail event is likely to occur within a period of time based on the information from the weather forecasting service. Responsive to the stowing score exceeding a threshold value, a time at which the incoming hail event is likely to occur may be predicted based on the weather forecasting service information. The threshold value may indicate a threshold likelihood of the hail event occurring or a threshold period of time before occurrence. The method may include determining a wind direction at the predicted time at which the hail event is likely to occur and stowing photovoltaic modules based on the wind direction.

Abstract: A method may include obtaining information from a weather forecasting service that relates to indicators of an incoming hail event. The method may include determining a stowing score that quantifies whether the hail event is likely to occur within a period of time based on the information from the weather forecasting service. Responsive to the stowing score exceeding a threshold value, a time at which the incoming hail event is likely to occur may be predicted based on the weather forecasting service information. The threshold value may indicate a threshold likelihood of the hail event occurring or a threshold period of time before occurrence. The method may include determining a wind direction at the predicted time at which the hail event is likely to occur and stowing photovoltaic modules based on the wind direction.

Abstract: A method may include obtaining a normal set point of a solar panel and a wind velocity measurement corresponding to wind that affects the solar panel. The method may include determining an allowable range of tilt angles according to a first lookup table that describes a relationship between the wind velocity measurement and the allowable range of tilt angles. The method may include identifying whether the normal set point of the solar panel is outside of the allowable range of tilt angles, and responsive to identifying that the normal set point of the solar panel is outside of the allowable range of tilt angles, determining a temporary stow set point. The method may include rotating the solar panel to the temporary stow set point.

Abstract: A method may include obtaining a normal set point of a solar panel and a wind velocity measurement corresponding to wind that affects the solar panel. The method may include determining an allowable range of tilt angles according to a first lookup table that describes a relationship between the wind velocity measurement and the allowable range of tilt angles. The method may include identifying whether the normal set point of the solar panel is outside of the allowable range of tilt angles, and responsive to identifying that the normal set point of the solar panel is outside of the allowable range of tilt angles, determining a temporary stow set point. The method may include rotating the solar panel to the temporary stow set point.

Abstract: Aspects of the present disclosure are directed to a methods and systems operable by a network entity for wireless communication, that includes determining that User Equipment (UE) is in idle mode and receiving eMBMS (evolved Multimedia Broadcast and Multicast Service); and based on the determining, activating a power optimization procedure in order to reduce power consumption of the UE. Examples of a power optimization procedures include a single or multi-level hardware shut down procedure, lowering the clock rate of hardware, and shutting down a communication bus during periods of non-use.

Abstract: A method for manufacturing an optical fiber having uniform refractive index profile, and substantially reduced macrobending loss and attenuation loss is provided comprising controlling one or more of parameters including concentration of dopant in outer region and inner region of the core region with respect to middle region of the core region of the optical fiber preform, duration of dehydration process step, concentration of chlorine gas to control refractive index of outer region and inner region of the core region for achieving a fiber having substantially uniform refractive index profile, and substantially reduced macrobending loss and attenuation loss.

Abstract: A method for producing an optical fiber preform having a large size soot porous body is provided wherein opposite ends of the rod are heated by heating means to achieve a predetermined temperature which is increased in a controlled manner in a stepwise mode or a gradual mode or a non-linear mode by varying flow rate and/or ratio of oxyhydrogen gases to heating means to achieve a particular temperature and soot porous body of desired diameter. In one embodiment, the predetermined temperature is increased to achieve a particular temperature and an intermediate diameter of soot porous body, wherein the particular temperature is optionally maintained till a soot porous body of a desired diameter is produced which is subjected to sintering process to produce the optical fiber preform having a large size soot porous body.

Abstract: A method of enforcing a network security policy including mandatory access control (MAC), discretionary access control (DAC) and integrity control for a secure information network, includes operating a transport guard within a memory partition logically between a protected application running in the partition and a networking stack, and defining ports for the transport guard including (i) an application port for forwarding data to and receiving data from the application, (ii) a data port for receiving data addressed to the application from the networking stack, and for sending data originating from the application to the stack, and (iii) a control port for supplying configuration data to the transport guard. The configuration data corresponds to MAC, DAC and integrity control policies specified by the network for the protected application. The transport guard limits data flow between its protected application and the data ports accordingly.

Abstract: An apparatus for producing an optical fiber preform, having no seeds or bubbles at the central axis thereof and having no points at the central axis thereof where breaks may be initiated while drawing optical fiber therefrom, comprising bottom holding means 8 capable: of holding bottom end 9 of soot porous body 1 having centerline 10 consisting of mandrel 2; top holding means 11 capable of holding handle rod 3 of soot porous body 1; at least one pulling means 12 capable of holding and pulling mandrel 2 fitted in centerline 10 of soot porous body 1; at least one additional pulling means 13 capable of holding and pulling mandrel 2 when it is partly pulled out of centerline 10 of soot porous body 1 is provided. A mandrel pulling mechanism is also provided.

Abstract: A method for producing optical fiber preform capable of producing optical fiber having low and uniform optical attenuation loss along its entire length including :he top end portion is provided. The method comprises carrying out simultaneously sintering and collapsing steps by inserting the dehydrated hollow soot porous body; with predetermined speed in hot zone of the furnace till its top end reaches the hot zone and is left for a predetermined duration thereafter the preform is uplifted for a predetermined length at a predetermined speed to avoid heat loss in the optical)reform and re-inserted in the hot zone of sintering furnace at a predetermined speed and left for predetermined duration to result in formation of the preform having collapsed capillary including at its top end.

Abstract: A process for shaping or preparation of a preform cone of desired shape and dimensions including diameter is provided. The process is characterized by preparing the preform cone either at the mother preform stage or at daughter preform stage without requiring the step of heating the preform end of the mother preform or the daughter preform to a very high temperature and without requiring a step of cooling of the preform cone thus prepared wherein the preform cone is prepared by cutting the preform end or shaping the preform cone at one end of the mother preform or daughter preform by employing a high pressure water-jet. A mother preform and daughter preform having preform cone of desired shape and dimensions, and optical fiber produced from said mother preform and said daughter preform are also provided.

Abstract: A rotary seal capable of joining a stationary member with a rotating member is provided, wherein the rotary seal comprises a body having a central hole therethrough, wherein said central hole has stepwise reducing diameter so as to form two part central hole, wherein front part of said central hole has higher inner diameter and rear part of said central hole has lower inner diameter, wherein said front part forms a seat with said rear part of said central hole, wherein said front part of said central hole is capable of accommodating at least one sealing member, and said sealing member is made to sit onto said seat by a screwing member, which when fixed onto body fits into front part of said central hole, and said rear part of said central hole is capable of accommodating connecting member of said stationary member. An apparatus comprising the rotary seal is also provided.