37results about How to "The control process is simple and fast" patented technology

The invention provides a cement plant SCR denitration efficiency monitoring control method and belongs to the technical field of cement production and discharging safety. An SCR reactor denitration efficiency control device comprises an inlet detection device, an outlet detection device, a calculation control device, and an ammonia spraying control device, wherein the outlet detection device is used for periodically testing the content of NOx and ammonia in smoke and sending the content value to the calculation control device; the calculation control device is used for receiving periodical data of the outlet detection device, accurately calculating the denotation efficiency of a reactor and the escape amount of the ammonia, and sending a control instruction to the ammonia spraying control device in the SCR reactor according to the calculated data result; the ammonia spraying control device is used for receiving the control instruction, periodically sending real-time ammonia spraying amount data to the calculation control device and controlling ammonia spraying amount by receiving the control instruction. The cement plant SCR denitration efficiency monitoring control method is aimed to accurately measure and precisely control the denitration efficiency of the SCR reactor, the escape ratio of the ammonia and the ammonia spraying amount and reduces the escape amount of the ammonia while high denitration efficiency is maintained.

A method for managing a user's computing environment on their computer or workstation. The method includes storing a set of files in a memory device accessible via a communications network. Each file includes data such as environment variable values defining a particular computing environment. The method includes providing an environment management engine in a user's home directory of a computer. A shell runs in the computer device to invoke and run a computing environment management engine within the shell. The engine generates a computing environment in the computer based on the computing environment definition in one of the files that is chosen based on a user-provided or otherwise determined job state (e.g., the user is working on a project or a portion of a project that is associated with a job state). The computing environment includes versions of software applications, path variables, and alias definitions.

An object is to securely prevent incorrect reproduction of a highlight portion and an intermediate portion due to the change in condition of the printing press and incorrect reproduction of a shadow portion. The printing press includes a measuring means 12 for measuring the solid densities and the gray balance, of a printed color print image; a computing means 13 for computing respectively the differences between the solid density values and the gray balance measured by the measuring means 12 and their target values; a correction-value-computing means 14 for computing the correct values based on their differences respectively computed by the computing means 13; and an ink-supply-amount-adjusting means 15 for adjusting the amount of the ink of each of the basic colors to be supplied through each of plural ink fountain keys, based on the correction values computed by the correction-value-computing means 14.

The invention discloses a remote controller for controlling an LED soft-color illuminating lamp. The remote controller includes a panel, a key detection circuit, a processing circuit and a wireless transceiver circuit. A plurality of keys are disposed on the panel, the plurality of keys include multiple mode keys, and the key detection circuit is used for detecting an event operated on these keys. The processing circuit is stored in advance with mode control signals being used for controlling a light mode of the LED soft-color illuminating lamp and corresponding to different mode keys, and is used for transmitting the mode control signals corresponding to the operated mode keys to the LED soft-color illuminating lamp via the wireless transceiver circuit. Since multiple mode keys are disposed on the panel, the remote controller provided by the invention has a hipping control function. In addition, users can adjust or replace a scene simply by using the mode keys, so the control flow is simple and quick.

The invention discloses an electronic-control backlash eliminating gear pair with variable tooth thickness. The gear pair comprises a tooth thickness variable gear I, a tooth thickness variable gear II and an electronic-control backlash eliminating system, wherein the tooth thickness variable gear II is meshed with the tooth thickness variable gear I, the electronic-control backlash eliminating system comprises at least an electronic-control power device used for exerting backlash-regulating axial mechanical force on the tooth thickness variable gear I and the tooth thickness variable gear II, and the direction of the backlash-regulating axial mechanical force is a direction for backlash elimination between the tooth thickness variable gear I and the tooth thickness variable gear II. According to the gear pair, real-time control of axial displacement is achieved through electronic control, then the tooth backlash can be regulated in real time according to backlash regulation requirements, the response is rapid, the transmission accuracy is improved, the volume is small, the structure is simple, the synchronism requirement for control is low, the cost is low, the assembling requirements are easy to satisfy, the tooth backlash and the return difference can be eliminated or reduced timely, the transmission error during reversing can be reduced, therefore the operation and the control are simple and fast, and high adaptability is provided at occasions with high requirements for the integral structure.

The invention discloses an electronic-control anti-backlash gear pair. The electronic-control anti-backlash gear pair comprises a first gear, a second gear and a third gear. The second gear and the third gear are coaxial and parallel and are meshed with the first gear, and the freedom degree of relative rotation in the circumferential direction exists between the second gear and the third gear. The electronic-control anti-backlash gear pair further comprises an electronic-control anti-backlash system composed of an electronic driving block and a control unit, wherein the electronic driving block is used for driving the second gear and the third gear to relatively rotate to eliminate meshed backlash between the second gear and the first gear and between the third gear and the first gear during electronic deformation. According to the electronic-control anti-backlash gear pair, when the backlash needs to be adjusted, electronic deformation materials are electrified to be deformed, a double gear formed by the second gear and the third gear relatively rotates to eliminate the backlash between the second gear and the first gear meshed with the second gear and between the third gear and the first gear meshed with the third gear, the gear backlash and the return difference can be accordingly eliminated or reduced in real time, cost is low, the structure is simple, accessory equipment such as a motor is not needed, the occupied space is small, driving energy is reduced, the transmission error during direction changing is reduced, and operation and control are simpler and more convenient; as the original mode that the backlash is eliminated through mechanical force of a power source is not adopted, controllability and accuracy are high, and the electronic-control anti-backlash gear pair is suitable for occasions with the requirements for the high accuracy.

The invention relates to a three-phase motor drive protection circuit, which comprises a driving chip enabling control unit, a logic processing unit, and a U-phase, V-phase and W-phase over-current monitoring unit, a bus over-current monitoring unit, a bus under-voltage over-voltage monitoring unit, a U-phase and V-phase over-temperature monitoring unit and a W-phase and motor stator over-temperature monitoring unit, which are connected with the logic processing unit. The driving chip enabling control unit is connected with the logic processing unit, and comprises a microprocessor, a driving chip and a D trigger; the input end of the D trigger is connected with the output end of the logic processing unit; the output end of the D trigger is connected with the enabling end of the driving chip; the microprocessor is connected with a control port of the driving chip; and an IO port of the microprocessor is connected with one input end of the logic processing unit. Compared with the prior art, when the three-phase motor driving system has faults of overvoltage, undervoltage, overcurrent, over-temperature and the like and the microcontroller is reset, the motor stops rotating; and the three-phase motor drive protection circuit has a simple control process, and low cost.

The invention provides operation control method and device, an air conditioner and a readable storage medium. The operation control method comprises the steps of respectively acquiring air inlet temperature and air outlet temperature of an air conditioner indoor unit, and surface temperature of a heat exchanger; determining a current temperature characteristic proportion according to the air inlettemperature, the surface temperature of the heat exchanger and the air outlet temperature, wherein the current temperature characteristic proportion corresponds to current heat exchange efficiency ofthe heat exchanger; determining whether adjusting parameters of a fan are generated or not according to a relation between the current temperature characteristic proportion and a preset target temperature characteristic proportion, wherein the target temperature characteristic proportion corresponds to target heat exchange efficiency adaptive to a target air volume; and if generating the adjusting parameters, adjusting the rotary speed of the fan according to the adjusting parameters. According to the technical scheme provided by the invention, a calculation model in the control process is simplified, so that the convenience in implementation is realized; and in addition, the fan speed is adjusted based on the acquired temperature values, so that high reliability is realized.

The invention provides a virtual object control method and device, and electronic equipment, relates to the technical field of games, and solves the technical problem of relatively low control efficiency of an NPC. The method comprises the steps of: determining a current desire value of a target virtual object; determining a current behavior based on the current desire value and the current stateof the target virtual object; and if the current behavior indicates switching to a target state, controlling the target virtual object based on a behavior set corresponding to the target state.

The invention relates to a high-frequency microwave heating water heater, a 90 DEG cross fixed A, B casings, an A, B permatrons, a microwave collective A, B spherical recessed surfaces and A, B metallic convex crown reflection surfaces, A, B laminated micas, longitudinal, horizontal repeat waterpipes, a water storage tank, a waterpipe, and heat radiators are fixed inside a metal shell, space of the A, B casings form A, B microwave excitation cavity, the space in center of the metal shell is used as microwave effect cavity, whose inlet and outlet are conduit coupled, the longitudinal, horizontal repeat waterpipes are fastened with a fixing support pad at lower end of the microwave effect cavity, the lower end of the metal shell is separated into high-low voltage parts to supply A, B magnetron power sources, the conduit pipe in the water storage tank connects with the heat radiators, the backwater returns to the longitudinal, horizontal repeat waterpipes throught a return pipe. The invention has characters of high heating speed, high efficiency, low energy consumption, small volume, good environment protection, adjustable heating temperature, bactericidal action, easy operation, safety and credibility, the water heater can be used for heating, washing face and rinsing mouth, washing clothes, showering etc.

The invention discloses a fingerprint unlocking timing closed type intelligent compact shelf comprising a sliding rail, sliding blocks and cabinet bodies; the three sliding blocks are connected to thetop of the sliding rail in a sliding mode. The three cabinet bodies are fixedly connected to the tops of the three sliding blocks correspondingly. Fingerprint locks are fixedly connected to the middle parts of the three cabinet bodies; two symmetrically distributed push rod motors are fixedly connected to the top of the middle cabinet body; fixed plates are fixedly connected to the ends, away from each other, of the two push rod motors correspondingly, the two fixed plates are fixedly connected with the cabinet bodies located on the two sides correspondingly, the three fingerprint locks and the two push rod motors are connected with a processor through signal lines correspondingly, and supports are fixedly connected to the two sides of the top of the sliding rail correspondingly. The control process is simple, the step of manually sliding the cabinet bodies is omitted, operation is more labor-saving, when the cabinet bodies move, limiting rollers synchronously move along the interiorof the sliding groove, the cabinet bodies are limited from the top, the stability of the cabinet bodies is improved, and the cabinet bodies are prevented from rolling over in the moving process.

The application discloses an earth pressure balance shield machine. The earth pressure balance shield machine comprises a shield machine body and a thrust oil cylinder arranged on the shield machine body, wherein a cutterhead is arranged on the front portion of the shield machine body, a master driver is connected onto the cutterhead, a major spiral conveyer and a minor spiral conveyer are furtherarranged on the shield machine body, and the front ends of the major spiral conveyer and the minor spiral conveyer are respectively connected with a soil bin of the shield machine body and used for outputting slag soil in the soil bin. The earth pressure balance shield machine outputs the slag soil in the soil bin under cooperation of the minor spiral conveyer and the major spiral conveyer, achieves a good fine adjustment function for soil pressure in the soil bin through the minor spiral conveyer, and enables the soil pressure on an excavation face to accurately reach a preset soil pressurevalue, thereby effectively guaranteeing stability of the excavation face. The invention further provides an earth pressure balance shield machine control system and a control method thereof. The earthpressure balance shield machine control system and the control method thereof perform automatic control on the rotation speed of the major spiral conveyer and the minor spiral conveyer, and achieve accurate control for the slag discharge amount of the soil bin, thereby enabling the soil pressure of the excavation face to accurately reach the preset soil pressure value.

A method is provided for operating a direct injection system of an internal combustion engine of a motor vehicle. The at least one fuel injection parameter (ETP, ETM and DW) is adjusted by a closed loop control of the injected fuel quantity (Q).

The invention relates to a method for upgrade control of a motion control system separated from a human-computer interaction interface. The method for the upgrade control of the motion control system separated from the human-computer interaction interface comprises a processing operation of confirmation of update operation of a user and the human-computer interaction interface, and a processing operation of restart of the motion control system. When the method for the upgrade control of the motion control system separated from the human-computer interaction interface is adopted, even through problems exist in an upgrade program, when the motion control system which is upgraded is incapable of being normally started up, corresponding functions are carried out by a bootstrap program according to the method for the upgrade control of the motion control system separated from the human-computer interaction interface in a next restart. Finally, a condition of update accomplishment is achieved, the purpose of successful upgrade of programs can always be achieved at the last, various abnormal conditions such as an update failure can be well solved, the problem that an update operation can not be carried out again by a normal user when the upgrade of the motion control system is abnormal is solved, therefore, management and maintenance can be easily carried out on software, a control process is simple and rapid, working performance is stable and reliable, and an application range is wide.