Abstract: Provided are a vinyl chloride-based copolymer, as a secondary particle in which primary particles are assembled, which may exhibit excellent mechanical properties and transparency as well as excellent plasticity by having an average pore diameter of 100 nm or less and a porosity of 40 vol % or less, including 65 wt % to 97 wt % of a vinyl chloride-based monomer-derived repeating unit; and 3 wt % to 35 wt % of cis and trans isomers of an unsaturated fatty acid ester-derived repeating units, and including the repeating units respectively derived from the cis and trans isomers of the unsaturated fatty acid ester in a weight ratio of 60:40 to 99:1, and a method of preparing the same.

Abstract: The present invention relates to a method of preparing a vinyl chloride-based copolymer having excellent plasticity and processability, a vinyl chloride-based copolymer prepared thereby, a thermoplastic resin composition including the vinyl chloride-based copolymer, and a thermoplastic resin molded article prepared from the composition. Since the preparation method may improve copolymerizability with a vinyl chloride-based monomer by continuously adding or dividedly adding an unsaturated fatty acid ester mixture used as a comonomer during the time of specific polymerization conversion rate, the unreacted unsaturated fatty acid ester mixture may be reduced, and, as a result, the conversion rate of the vinyl chloride-based copolymer may be significantly improved. Thus, plasticity and processability of a vinyl chloride-based copolymer prepared by the above method may be significantly improved.

Abstract: The present invention relates to vinyl-based thermoplastic resin composition having excellent thermal stability, which comprises a metal complex agent, and a first vinyl-based monomer and a second vinyl-based monomer having different iron ion concentration from each other, a method for manufacturing thereof, and vinyl-based thermoplastic resin manufactured therefrom. The accompanying vinyl-based thermoplastic resin composition can enhance thermal stability, and the vinyl-based thermoplastic resin manufactured from the composition may have excellent thermal stability. Thus, it can be easily applied to industries requiring thereof, in particular, industries of vinyl-based thermoplastic resin and its mold processed goods.

Abstract: Disclosed is a method of preparing a vinyl chloride based resin by suspension polymerization to prevent foaming by slowly elevating reaction temperature such that pressure is maintained when pressure drops in a late stage of reaction. According to the method, the vinyl chloride based resin is prepared using suspension polymerizing vinyl chloride based monomers so as to reduce foaming and improve a protrusion, thermal stability and the like.

Abstract: Technical solutions are described for tuning a building control system, such as a variable air volume system, which includes intervened control loops. In one aspect, a method includes receiving a performance objective of the system. The method also includes generating a collection of values for parameters of the control loops based on stored information that includes a stored velocity and a stored position. The method also includes evaluating the collection of values for the parameters by comparing a performance measure and the performance objective of the system. In response to a difference between the performance objective and the performance measure satisfying a predetermined threshold the collection of values are stored and the control loops are configured according to the stored information for the parameters. The present document further describes examples of other aspects such as systems, computer products.

Abstract: A method of controlling energy consumption in a building. The method includes receiving occupant request data including a plurality of requests, wherein each of the plurality of requests corresponds to one of a plurality of zones in the building wherein the occupant request data is received via a cloud computing resource. The method also includes receiving weather data including at least one of current weather measurement data and weather forecast data wherein the weather data is received via a cloud computing resource. In addition, a facility management rule is received via a cloud computing resource. Further, the method includes generating a plurality of output control signals via cloud computing resource, wherein each of the plurality of output control signals is based on one of a plurality of requests and predicted occupant schedules, energy price data and the facility management rule.

Abstract: A Model Predictive Control (MPC) framework is implemented as part of the run-time system function features of a Programmable Logic Controller (PLC) system. Optimal control calculations are performed in the run-time MPC function block of the PLC. The optimal control function is determined by an MPC block in an engineering tool of the PLC, using a system dynamic matrix containing measurements from a unit step response test performed by the PLC.

Abstract: Disclosed are a chloroethylene-based nanocomposite composition and a method of preparing the same. More particularly, disclosed are a chloroethylene-based nanocomposite composition comprising a chloroethylene-based resin; a nanoclay comprising a coupling agent bonded thereto; and at least one polymer selected from unsaturated organic acid-based resins or polycarboxylic acid-based resins, and a method of preparing the same. According to the present disclosure, a uniformly dispersed water dispersion suspension may be provided by enhancing water dispersion effects of the nanoclay, and superior tensile strength may be exhibited by using the uniformly dispersed water dispersion suspension in chloroethylene-based suspension polymerization, and a chloroethylene nanocomposite having superior transparency may be provided.

Abstract: The safety and integrity of an embedded computer system is monitored using an independent safety monitoring module in communication with the main controller module via a serial connection to a safety monitoring module proxy in the main controller module. The main controller module is monitored through the use of alive-telegram exchanges and computational challenges. The safety monitoring module also receives temperature information and supply voltage information about the main controller module. The monitored information may be evaluated using a prognostic model constructed using a simulation of failure modes off line.

Abstract: Real-time programmable logic controller software is executed on a multicore processor system. An organizational block executer is executed on a first core, and system service functions associated with the programmable logic controller software are executed on the second core. The organizational block executer includes I/O scanning and logic solving in a single-threaded execution. Core-switch operations may be cyclically performed to move execution of the organizational block executer from the first core to the second core and back to the first core.

Abstract: A distributed cyber-physical system includes physical elements (15-1, 15-2, . . . , 15-n) disposed in a physical space (11). Controllers (13-1, 13-2, . . . , 13-n) are disposed in a cyber space (10). Each of the physical elements (15-1, 15-2, . . . , 15-n) corresponds to a corresponding controller (13-1, 13-2, . . . , 13-n). A cyber infrastructure (12) is disposed in the cyber space (10). The cyber infrastructure (12) manages a connection between the controllers (13-1, 13-2, . . . , 13-n) and the physical elements (15-1, 15-2, . . . , 15-n). Control loops (14) are established via the cyber infrastructure (12). Each of the control loops (14) includes a physical element and a corresponding controller.

Abstract: A method for controlling a system including a plurality of subsystems, includes receiving operational data from the plurality of subsystems of the system (S21). A future condition of each of the plurality of subsystems is estimated from the received operational data (S22). A control strategy for delaying a need for system maintenance is generated based on the estimated future condition of each of the plurality of subsystems (S23). An operation of the system is controlled based on the generated control strategy (S24).

Abstract: A model predictive control (MPC) framework is enhanced to provide prognostic information and fault tolerant control strategies. A system fault is calculated based on predicted values and is used to generate an internal reference trajectory to which the system is controlled using MPC. If the system fault exceeds a threshold maximum, then the MPC control model is either tuned or reconfigured depending on whether the fault is external or internal.

Abstract: Disclosed is a method of preparing a vinyl based polymer and copolymer comprising a vinyl chloride based polymer and copolymer using suspension polymerization to prevent forming by elevating slowly reaction temperature such that pressure is maintained when pressure drops in the late stages of reaction. According to the method, the vinyl chloride based resin is prepared using suspension polymerizing vinyl chloride based monomers so as to reduce foaming and improve a protrusion, thermal stability and the like.

Abstract: A Model Predictive Control (MPC) framework is implemented as part of the run-time system function features of a Programmable Logic Controller (PLC) system. Optimal control calculations are performed in the run-time MPC function block of the PLC. The optimal control function is determined by an MPC block in an engineering tool of the PLC, using a system dynamic matrix containing measurements from a unit step response test performed by the PLC.

Abstract: Disclosed is a method for defoaming a vinyl chloride resin slurry. The agent of the present invention may prevent generation of Fish eyes and deteriorate in production efficiency caused by slurry foams without inhibiting inherent transparency of vinyl chloride resins, in the process of preparing the vinyl chloride resins by polymerizing a monomer mixture containing vinyl chloride as a main component in a polymerization reactor.

Abstract: Disclosed is an antifoaming agent for vinyl chloride resin slurry. The agent of the present invention may prevent generation of Fish eyes and deteriorate in production efficiency caused by slurry foams without inhibiting inherent transparency of vinyl chloride resins, in the process of preparing the vinyl chloride resins by polymerizing a monomer mixture containing vinyl chloride as a main component in a polymerization reactor.

Abstract: Disclosed is a method for defoaming a vinyl chloride resin slurry. The agent of the present invention may prevent generation of Fish eyes and deteriorate in production efficiency caused by slurry foams without inhibiting inherent transparency of vinyl chloride resins, in the process of preparing the vinyl chloride resins by polymerizing a monomer mixture containing vinyl chloride as a main component in a polymerization reactor.

Abstract: A model predictive control (MPC) framework is enhanced to provide prognostic information and fault tolerant control strategies. A system fault is calculated based on predicted values and is used to generate an internal reference trajectory to which the system is controlled using MPC. If the system fault exceeds a threshold maximum, then the MPC control model is either tuned or reconfigured depending on whether the fault is external or internal.

Abstract: A method of controlling energy consumption in a building. The method includes receiving occupant request data comprising a plurality of requests, wherein each of the plurality of requests corresponds to one of a plurality of zones in the building wherein the occupant request data is received via a cloud computing resource. The method also includes receiving weather data comprising at least one of current weather measurement data and weather forecast data wherein the weather data is received via a cloud computing resource. In addition, a facility management rule is received via a cloud computing resource. Further, the method includes generating a plurality of output control signals via cloud computing resource, wherein each of the plurality of output control signals is based on one of a plurality of requests and predicted occupant schedules, energy price data and the facility management rule.