45results about How to "Control method is effective" patented technology

The invention discloses a method and a device for controlling to support a foot of a humanoid robot in a single leg supporting period and belongs to the field of robots. An expected virtual zero moment point is arranged outside the foot supporting region, and a step increasing quantity generated through the rotation of the robot can be acquired. The method comprises steps of calculating the virtual zero moment point and detecting the rotation angle of the supporting foot; determining the rotation angle of the supporting foot; determining the position of the virtual zero moment point; and limiting the position of the virtual zero moment point. The device comprises a calculating and detecting module, a rotary angle control module, a virtual zero moment point position control module and a virtual zero moment point position limiting module. By the aid of the method and the device, the humanoid robot can support the foot to rotate in the single leg supporting period, the walking step is increased, and the control is simple and reliable.

The invention relates to an intelligent iris recognition gun locker control system which comprises a charging and power supply control module, a master control module, a serial port touch screen, an indicating lamp and starting control module, an iris recognition module and gun locking mechanism control and acquisition modules. The input end of the charging and power supply control module is connected with a switch power supply or a storage battery, and the output end thereof is connected with and provides power for the master control module and the gun locking mechanism control and acquisition modules; the master control module is connected with and provides power for the serial port touch screen, the iris recognition module, the indicating lamp and starting control module and the gun locking mechanism control and acquisition modules; the serial port touch screen sends related instructions to the master control module during touch operation; the iris recognition module registers or recognizes an iris user through collecting a medium of an iris, and receives the instructions sent by the master control module and feeds result back to the master control module; the indicating lamp and starting control module receives a command sent by the master control module and gives a response; and the gun locking mechanism control and acquisition modules are connected with gun locking mechanisms.

The invention discloses a method for controlling web television and videos broadcasting, a web television system and a set-top box. The method comprises the following steps of creating a controlled object according to an extended script; connecting the controlled object to a player of the set-top box; controlling the player of the set-top box by the controlled object according to received operation orders and/or internal events. The method, the system and the set-top box conveniently achieve the control on the video playing of the set-top box through a server, and serve the function that the server actively controls video playing of the set-top box, improve the flexibility of the video broadcasting playing of IPTV business, and decrease the difficulty in handling video playing business.

The invention relates to one call telephone sorting and interface method in communication technique field, which realizes user self-definition rules to control calls on base of SIM card, wherein, in the inner structure, user cell phone judges SIM car reset status through interacting platform through cell phone and SIM card; the cell phone sends detail call transfer or forbids interface order content to limit call interface to end; SIM card not sending Send USSD order to cell phone to permit cell phone to indicate user call to end.

The invention provides a cooperative priority control method of double tramcars at a level crossing under a non meeting state. The invention provides a phase position control method of signal lights when two tramcars reach the level crossing in the states except for the meeting state by considering the condition that the tramcars and social vehicles run together at the level crossing. According to the invention, by separating conflicting vehicles based on time, obeying the principle of let the tramcars relatively preferentially go and vehicles free from the conflict go simultaneously, and adopting the control strategies of green-light extension, red-light early stopping, phase position insertion and phase position crossing, mutual conflicts of two types of vehicles are reduced and passing efficiency of the level crossing is improved.

The invention discloses a household environment energy saving control method on the basis of fuzzy intelligent-behavior simulation. The household environment energy saving control method is characterized by including steps of building an energy saving fuzzy control device, building an energy saving fuzzy control mathematical model, implanting a single-chip microcomputer fuzzy controller, acquiring indoor environment information and sending the information to the single-chip microcomputer fuzzy controller, performing a fuzzy reasoning operation by the single-chip microcomputer fuzzy controller to obtain a fuzzy comfort control output response value, sending the response value to a drive execution mechanism, and controlling openness of a window curtain. By the household environment energy saving control method, difficult problems of contradiction of conventional indoor energy saving parameters, complexity of hardware circuits and the like are solved. In addition, the energy saving control method has the advantages of scientific and effective fuzzy evaluation, simple hardware circuits, high response speed and the like.

The invention discloses a method and a system for controlling a lifter. The method comprises the following steps: a host controller receives control signals sent by an operating board controller, wherein the control signals include handle signals and/or keyboard signals; the host controller judges the control signals and outputs first layer flattening signals to a frequency converter according to a judgment result, wherein the first layer flattening signals comprises automatic layer flattening signals and manual layer flattening signals; the frequency converter outputs a first layer flattening action command according to the received first layer flattening signals, wherein the first layer flattening action command is used for controlling a motor to work. According to the method and the system, the problems that the operation is troublesome, and the structure of a machine is easily damaged because an existing lifter is in shortage of an automatic layer flattening function, and a tractor driver needs to carry out inching adjustment by virtue of a handle in a single manual layer flattening process are solved.

The invention relates to a control method for a neutral system with distributed time delay based on an interval two-type T-S model. The method firstly determines a mathematical model of a chemical reactor of the petroleum refinery, secondly converts the mathematical model into an interval two-type T-S fuzzy model, designs a T-S fuzzy controller by the parallel distributed compensation method, finally determines a stability condition of the interval two-type T-S fuzzy system, and transforms the stability condition into a linear matrix inequality to obtain a control gain. The control method provided by the invention utilizes the interval two-type T-S model to describe the chemical reactor refining process in the petroleum refinery, and the interval two-type T-S fuzzy set has advantages overthe one-type fuzzy set in the processing system uncertainty, and at the same time has lower computational complexity than the two-type fuzzy set. Therefore, modeling the system using functions of theinterval two-type fuzzy set not only makes the system description more accurate, but also makes the control method more efficient.

The invention discloses a method for controlling a crack of a fiber reinforced concrete wall. The method for controlling the crack of the fiber reinforced concrete wall comprises the following steps that firstly, selection of the diameter of each steel bar and the number of the steel bars is conducted so that stress concentration caused by abrupt change of the structural section can be avoided; secondly, optimization selection of raw materials of concrete is conducted; thirdly, optimal design of the mixture ratio of concrete is conducted; fourthly, effective control and effect detection are conducted on the construction progress. According to the method for controlling the crack of the fiber reinforced concrete wall, reasonable layout of the steel bars, reasonable reservation of expansion joints, and reasonable selection of sand are conducted, tests and engineering practice show that the method for controlling the crack of the fiber reinforced concrete wall is effective on control over the large-area concrete crack of a base plate, and the problem that the structure generates cracks in the process of construction of a basement can be solved, favorable conditions of crack control are fully utilized, and the situation that the crack control effect is not ideal in the prior art is changed. In addition, the method for controlling the crack of the fiber reinforced concrete wall is simple, convenient to control and effective.

The invention discloses a control method for a submerged-arc welding platform for an intersection-line seam of a thick-wall large-size cylindrical weld element. The control method includes that confirming the weld element size and welding speed, and confirming a proper discrete step length; discretizing the intersection line to obtain coordinate values of a discrete welding spot; gathering an actual pitch angle and an actual rotating angle of the weld element through a sensor and using as two feedback quantity, comparing with pitch angle and rotating angle control reference values to obtain errors, using as the input of pitch and rotating position PID controllers, and using the output of the two position PID controllers as the speed control reference values of a roller drive motor and a hydraulic pump drive motor; comparing the three degree of freedom position control reference value of the welding gun with an actual welding gun position value detected by the sensor to obtain an error, and using the output of position PID controllers in three directions of the welding gun as speed control reference values of servo drive motors corresponding to three directions of a mechanical arm of the welding gun to realize closed loop control. The control method for the submerged-arc welding platform for the intersection-line seam of the thick-wall large-size cylindrical weld element is capable of effectively and stably controlling the submerged-arc welding platform for the intersection-line seam of the thick-wall large-size cylindrical weld element and enables the high-quality weld joint welding to be guaranteed.

The invention aims at the problems of low efficiency, poor consistency, unclean cleaning and easiness in destroying a to-be-destroyed substrate or a radar electronic component of manual large-scale cleaning. The invention provides an acoustic vibration brush, which comprises a handle, a rechargeable battery compartment, a switch, a rechargeable battery, an acoustic transducer, a vibration bar, a brush head sleeve and bristle. The invention provides a cleaning method, which comprises the six steps of installing, injecting cleaning fluid for the first time, cleaning, carrying out visual inspection, injecting the cleaning fluid for the second time and cleaning, and blowing. The acoustic vibration brush and the cleaning method which are provided by the invention have the beneficial technical effects that an acoustic vibration manner is adopted to drive the bristle to clean the vibration sensitive ceramic substrate or the radar electronic component at short time and high frequency, so that the cleaning efficiency is improved, the operation fatigue is alleviated and the cleaning effect consistency is guaranteed.

The invention relates to a DC transformer series side bus capacitor voltage-sharing device and voltage-sharing method. The voltage-sharing device comprises a switching power supply, a control board card and a fan. The switching power supply acquires electric energy from the bus capacitor and supplies power to the control board card and the fan. Before the direct-current transformer is started, thecontrol board card collects the voltage of the bus capacitor, and when the voltage of the bus capacitor is smaller than the rated voltage, the rotating speed of the fan is controlled to decrease. When the voltage of the bus capacitor is higher than the rated voltage, the rotating speed of the fan is controlled to increase, and the fan is a heat dissipation fan of the direct-current transformer power module. According to the invention, the heat dissipation fan when the DC transformer power module operates normally is reused for static voltage sharing of the bus capacitor on the series side ofthe direct-current transformer, the efficiency of the whole direct-current transformer is improved, electrical elements of a power module of the direct-current transformer are reduced, the cost is reduced, the power density of the direct-current transformer is improved, and the control method is simple, effective and easy to implement.

The invention relates to a method for realizing the gang control of three Z axes in a numerical control machine system, which is based on the principle that when the three Z axes are adjusted to have the same workpiece coordinate, the three Z axes are uniform in motion control for the same workpiece so as to obtain the effect that information calculated from one axis can simultaneously control the three axes, and the motion of the three axes is correct actually. The method comprises the following steps: taking one axis as an effective axis by the system and calculating the motion control information of the Z axis; storing the information whether each Z axis moves or not by the system according to external commands and mutually switching the three Z axes from a motion state to a non-motion state; sending the motion control information of one Z axis to other Z axes by the system. The control method can effectively control a plurality of Z axes to link together in the batch processing of a numerical control machine, enhance working efficiency and reduce processing time. The control method is effective and reliable.

The invention discloses a cooling water flow control device of a lead-acid storage battery plate casting machine. A cooling water main pipe, cooling water branched pipes and flow control devices are arranged. The flow control device comprises a flow control body, an automatic adjusting device, a lower-limit flow positioning device and a shell. An automatic control switch is arranged in the flow control body. A displacement sensor in signal connection with the automatic control switch is arranged in the automatic adjusting device. A flow cavity is formed in the flow control body. The flow control body is arranged in the flow cavity and achieves automatic adjustment on flow through the automatic adjusting device. The lower-limit flow positioning device is arranged between the flow control body and the automatic adjusting device to achieve quantitative control over the minimum working flow of the cooling water flow. The invention further discloses a cooling water flow control method. Theflow control device automatically adjusts the cooling water flow according to changes of the indoor temperature. The minimum temperature difference between plate casting machines in a workshop is guaranteed. The consistency of a grid structure and a grid crystal form is realized.