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536 results about "Global variable" patented technology

In computer programming, a global variable is a variable with global scope, meaning that it is visible (hence accessible) throughout the program, unless shadowed. The set of all global variables is known as the global environment or global state. In compiled languages, global variables are generally static variables, whose extent (lifetime) is the entire runtime of the program, though in interpreted languages (including command-line interpreters), global variables are generally dynamically allocated when declared, since they are not known ahead of time.

Factor analysis of information risk

InactiveUS20050066195A1Risk management decisions can become more effective and efficientGood return on investmentDigital data processing detailsComputer security arrangementsSalient objectsObject definition
The invention is a method of measuring and representing security risk. The method comprises selecting at least one object within an environment and quantifying the strength of controls of at least one object within that environment. This is done by quantifying authentication controls, quantifying authorization controls, and then quantifying structural integrity. In the preferred method, the next step is setting global variables for the environment, for example, whether the environment is subject to regulatory laws, and then selecting at least one threat community, for example, professional hackers, and then calculating information risk. This calculation is accomplished by performing a statistical analysis using the strengths of controls of said at least one object, the characteristics of at least one threat community, and the global variables of the environment, to compute a value representing information risk. The method identifies the salient objects within a risk environment, defines their characteristics and how they interact with one another, utilizing a means of measuring the characteristics, and a statistically sound mathematical calculation to emulate these interactions and then derives probabilities. The method then represents the security risk, such as the risk to information security, such as by an integer, a distribution or some other means.
Owner:JONES JACK A

Greenhouse environment intelligent control method based on global variable prediction model

The invention belongs to the technical field of facility agriculture environment control, and environment factors such as temperature, humidity, illumination intensity, CO2 concentration and the like in a greenhouse can be intelligently controlled. According to the greenhouse environment intelligent control method, a concept of a global variable is set, internal and external environment parameters in the greenhouse, current operating states of all controllers and local weather forecast for the next eight hours are used as all variables of a system, so as to be called global variables; and on this basis, a greenhouse environment prediction model based on the global variables is provided, and a BP (Back Propagation) artificial neural network is adopted to establish the model. By utilizing the model and combining fuzzy control, the greenhouse environment control method based on the global variables is invented. The greenhouse environment control method comprises the following steps that all of the global variables are used as input values, internal environment states of the greenhouse are predicted, and advanced adjustment is performed by the controllers in accordance with prediction results. By using the greenhouse environment intelligent control method, the problems of response lag, passive adjustment, inconsistent adjustment of the controllers and the like of traditional greenhouse environment control are solved, lag and oscillation in a response process are reduced, and the quality control of the greenhouse is improved.
Owner:HEBEI AGRICULTURAL UNIV.

Variable debugging method of embedded program dynamic storage allocation

A variable debugging method of embedded program dynamic storage allocation is characterized in that the logining of an interface of the structural body of an embedded program is achieved, an upper computer is provided with a program sum of debugging the structural body of the embedded program, the communication protocol of the debugging of variables is achieved, the communication protocol is debugged through an upper computer program and the embedded program, the variable name of a level to be debugged is input on an upper computer software by a user, the upper computer software reads program header files, analyzes a data structural body, and calculates the relative offset address and the data type information of each member variable, and a variable debugging table is formed, and is downloaded in a device. The software records a structural body example word address of dynamic application in a constructor, and inquires an relative address according to a debugged level variable name, the structural body word address is added, the absolute address of each member variable is obtained, and the data of the absolute address are accessed and are sent to the upper computer to display. The variable debugging method of the embedded program dynamic storage allocation overcomes the defect that in the past only the global variable of the static allocation of a compiler can be debugged, and improves the diagnosis efficiency of the program.
Owner:NR ELECTRIC CO LTD +1

Six degree-of-freedom foot/leg type lower limb rehabilitation training robot and control method thereof

The invention provides a six degree-of-freedom foot / leg type lower limb rehabilitation training robot and a control method thereof, belonging to the technical field of rehabilitation engineering. The robot provided by the invention comprises a fixing frame, a treadmill, an adjustable panel and exoskeleton mechanical legs, wherein the adjustable panel is connected with one end of the thigh exoskeleton through the hip joint exoskeleton, the other end of the thigh exoskeleton is connected with one end of the shank exoskeleton through the knee joint exoskeleton, and the other end of the shank exoskeleton is connected with a pedal plate through the ankle joint exoskeleton; and a weight reduction system is connected with the adjustable panel, and an electric cylinder between the thigh exoskeleton and the hip joint exoskeleton, an electric cylinder between the thigh exoskeleton and the shank exoskeleton and an electric cylinder between the shank exoskeleton and the pedal plate are respectively connected with a control system through a driver. The control method comprises the following steps of: inputting physical characteristic parameters of a patient; reading a pre-stored text document,and writing information in global variables; and judging whether the driver is in a 'PWM (Pulse-Width Modulation) disenabling' state and an 'Operation' key is pressed down, if so, writing the information in the driver, and otherwise, waiting.
Owner:NORTHEASTERN UNIV

Smart construction site management system based on global variable frequency positioning and automatic recognition technologies

The invention discloses a smart construction site management system based on global variable frequency positioning and automatic recognition technologies, which comprises a global variable frequency positioning and automatic recognition subsystem, a four-dimensional construction management subsystem, a green construction management subsystem and a construction site tour-inspection subsystem, and is characterized in that the global variable frequency positioning and automatic recognition system, the four-dimensional construction management subsystem, the green construction management subsystem and the construction site tour inspection subsystem perform data interaction with a management center through a wireless transmission system; and the wireless transmission system comprises radio frequency positioning communication units arranged in terminal equipment of each subsystem and a plurality of multi-frequency base stations distributed at the construction site. Radio frequency signals of different frequency bands are switched through the global variable frequency positioning and automatic recognition system so as to accurately position and recognize construction workers and mechanical equipment, a three-dimensional space trajectory is acquired, and efficient and low energy consumption transmission of data is realized by relying on the radio frequency communication unit, so that the smart construction site management system is applicable to intelligent management for the construction site in a large field environment without the network.
Owner:大连锐勃电子科技有限公司
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