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34results about How to "Change running status" patented technology

Road surface self-adaption anti-skid controlling system and method for distributed type driving electric automobile

ActiveCN106985703AAvoid affecting distribution layer momentsEffective anti-slipSpeed controllerElectric devicesElectric machineControl system
The invention relates to a road surface self-adaption anti-skid controlling system and a method for a distributed type driving electric automobile. The road surface self-adaption anti-skid controlling system comprises a motor controller, a motor torque distributor, an actual measurement sensor unit, a nonlinearity road surface estimating unit, an anti-skid controlling selective access unit and a driving anti-skid controlling unit, the nonlinearity road surface estimating unit is used for obtaining road surface peak value attachment coefficients of all wheels, the driving anti-skid controlling unit conducts anti-skid controlling and outputs control torque according to the road surface peak value attachment coefficients, of the wheels, obtained by the nonlinearity road surface estimating unit and actual measured data of the actual measurement sensor unit, the anti-skid controlling selective access unit conducts a logical judgment and then outputs control torque or distributed torque to the motor controller according to the control torque output by the driving anti-skid controlling unit, distributed torque of the motor torque distributor and the actual measured data of the actual measurement sensor unit, and the motor controller controls four driving motors to move. Compared with the prior art, the road surface self-adaption anti-skid controlling system and the method for the distributed type driving electric automobile have high control precision and a good anti-skid effect.
Owner:TONGJI UNIV

Intelligent control system and control method used for building engineering deep-well precipitation

The invention provides an intelligent control system and control method used for building engineering deep-well precipitation. The system comprises an intelligent precipitation system used for reducing the foundation pit bottom underground water level, an intelligent recharging system and an intelligent detecting system, the intelligent recharging system is used for stabilizing the underground water level of surrounding buildings in the foundation pit precipitation process, the three systems are built on a WEBS system integrated platform, information collected by various sensors of the tail ends of the systems serves as the reference, and various conditions of the site are monitored in real time, the three branch systems are connected with a central control cabinet and a central server atthe same time, a user sends out an instruction through an application program on the central server, the central control cabinet carries out comparison matching on feedback signals of the sensors at the tail ends of the systems according to the internal core logic program, and the running state of equipment can be changed in real time. The control system can monitor the underground water level change in real time, the running state of a precipitation device is actively controlled, and the base bottom underground water level and the foundation pit surrounding precipitation curve are stabilizedwithin short time.
Owner:CHINA NUCLEAR IND 22ND CONSTR

Unitized storage granary and storage method thereof

The invention discloses a unitized storage granary which comprises at least one layer of compartment, wherein the compartment of each layer comprises a plurality of storage units with independent and controllable storage conditions, and the storage capacity range of each storage unit is 5-1,000 tons; and the compartment of each layer comprises an operating area for independently carrying out feed and delivery for one or more storage units. Each storage unit with independent and controllable storage condition comprises a temperature monitoring system, a humidity monitoring system, a gas component monitoring system, a ventilation monitoring system and/or a fumigation system. Each storage unit has heat insulation and/or airtight function. The operating area can be arranged at two sides, one side or the middle of the compartment. Fixed and/or mobile conveying equipment is arranged in the operating area. The unitized storage granary has the advantages of prolonging the storage life of grains, reducing energy consumption, reducing the consumption of chemical fumigant and reducing environmental pollution; and because of the storage units, the storage units are mutually separated with the operating area, mutual influence is avoided, scientific management is facilitated, and the operating cost is saved.
Owner:ACAD OF STATE GRAIN ADMINISTRATION +2

Intelligent sewage management and control system based on imitation learning and expert system

The invention discloses an intelligent sewage management and control system based on imitation learning and an expert system. An expert operation system model is constructed by taking the deviation between water quality parameter data and water quality parameter expected data as input and a corresponding water treatment equipment regulation and control strategy as output and adopting an imitationlearning method, the real-time acquired deviation between the water quality parameter data and the set water quality parameter expected data is input into an intelligent operation module, a corresponding water treatment equipment regulation and control strategy is output based on the constructed expert operation system model, and finally, an evaluative feedback signal is given to the output regulation and control strategy based on a reward and punishment function, and the intelligent operation module improves the regulation and control strategy by utilizing the feedback signal and dynamicallyadjusts equipment operation parameters until an optimal strategy is obtained. The system simulates expert operation to send a remote control instruction and automatically correct operation parametersof related equipment, ensures that state parameter data of the equipment reaches an expected numerical standard, and achieves the purpose of real-time monitoring.
Owner:QINGDAO UNIV

Automatic control system of two-for-one twister

The invention discloses an automatic control system of a two-for-one twister. The system comprises a programmable process controller for controlling the whole machine, a twisting frequency converter for controlling a spindle motor of the whole machine, a winding frequency converter for controlling a winding motor, a transverse movement server for controlling a transverse servo motor, a first rotating speed sensor and a second rotating speed sensor, wherein the firs rotating speed sensor and the second rotating speed sensor are installed on a spindle shaft and a winding shaft respectively. The system is characterized in that the programmable process controller is in data connection with the twisting frequency converter, the winding frequency converter and the transverse movement server and controls the twisting frequency converter, the winding frequency converter and the transverse movement server through fed frequency, and the programmable process controller adjusts power of the fed twisting frequency converter and power of the winding frequency converter in real time according to actual spindle shaft and winding shaft rotating speed signals fed back by the two rotating speed sensors in data connection with the programmable process controller. The control system has the advantages that due to the fact that the automatic equipment is assembled to replace an existing gear case transmission device on the two-for-one twister, the structure is simplified, and the operating state of the machine can be changed more flexibly through a human-computer interface.
Owner:WUJIANG YONGGU SPINNING

Air conditioner and control method thereof

The invention belongs to the technical field of air conditioners, and particularly relates to an air conditioner and a control method thereof. The invention aims to solve the problems that the parameter regulation mode of an existing air conditioner is hard to meet the user requirements properly. For this purpose, the control method comprises the following steps of obtaining set parameter information; and setting an operating template according to the parameter information. According to the control method, the parameter information stored in a cloud can be obtained as the set parameter information, or the parameter information input from a control terminal can be further obtained as the set parameter information; then, the operating template is set according to the parameter information, namely that a user can choose the parameter information stored in the cloud for setting the operating template, so that the user does not need to set the parameter information, and accordingly the useroperation is simplified effectively; or, the user can also select the parameter information input from the control terminal automatically, so that the parameter information can meet the user requirements properly; and thus, the user experience is furthest improved.
Owner:QINGDAO HAIER AIR CONDITIONING ELECTRONICS CO LTD +1

Watercourse sluice gate with stratified water intake function and operation method thereof

The invention provides a watercourse sluice gate with a stratified water intake function thereof. The sluice gate comprises a plurality layers of platforms which form a step-like structure and are arranged in the water flowing direction. The platforms below the topmost platform are all of hollow structures. The top of each hollow structure is covered with turning plates. The turning plates are rotatably connected with the corresponding platforms. Each hollow structure is internally provided with water buckets with top openings. A piston is arranged in the middle of each water bucket. The top of each piston is provided with a push head used for pushing to the corresponding turning plate to rotate. The two sides of the bottom of each water bucket are connected with a water inlet pipe and a water outlet pipe correspondingly. Liquid level control valves are arranged in the water inlet pipes and the water outlet pipes. The bottoms of the water buckets of the bottommost platform are furtherprovided with underground pipes. Water inlets of the underground pipes communicate with water inlets of the water inlet pipes and are internally provided with electric valves. The turning plates can rotate up and down through the liquid level control valves according to the water level, and stratified water intake and surface water intake can be realized through internal water passing or top waterpassing of the watercourse sluice gate.
Owner:YANGZHOU UNIV

Fully-automatic slicing machine for embedded slice machining

The invention provides a fully-automatic slicing machine for embedded slice machining. The fully-automatic slicing machine for embedded slice machining comprises a bottom plate, a supporting plate, an X-axis assembly, a Y-axis assembly, a Z-axis assembly, an embedding shaft assembly, a bathing pool, a housing and a microelectronic control chip. The microelectronic control chip is used for controlling the mutual linkage among the components to complete the slicing action, so that a high automation degree is achieved. A stepping motor and a lead screw are used for matched transmission in the X-axis direction and the Z-axis direction, compared with original matched transmission of a gear and a rack, the structure of the fully-automatic slicing machine for embedded slice machining can more accurately control the cutting thickness and the cutting speed of the slicing machine, and is high in controllability, low in operation noise and stable in operation. A bathing pool is designed to be of a T-shaped structure, so that a culture solution in the bathing pool can be effectively prevented from permeating outwards, the cleanliness of the slicing machine in the slicing machining process is guaranteed, and waste of the culture solution is effectively avoided.
Owner:上海旺泰客科学仪器有限责任公司

Pavement skid resisting control system and method of front-rear axle double-motor driving vehicle

InactiveCN109591617AAvoid affecting distribution layer momentsEffective anti-slipSpeed controllerElectric devicesAdhesion coefficientMotor drive
The invention relates to a pavement skid resisting control system and method of a front-rear axle double-motor driving vehicle. The system comprises a motor controller, a motor torque distributor, anactual measurement sensor unit, a nonlinear pavement estimation unit, a skid resisting control selective connecting unit and a driving skid resisting control unit, wherein the nonlinear pavement estimation unit is used for acquiring pavement peak adhesion coefficients of each wheel; the driving skid resisting control unit is used for performing skid resisting control and outputting control torquebased on the pavement peak adhesion coefficient, acquired through the nonlinear pavement estimation unit, of the wheels, and the actual measurement data of the actual measurement sensor unit; the skidresisting control selective connecting unit is used for logically determining based on the control torque output by the driving skid resisting control unit, the distribution torque of the motor torque distributor and the actual measurement data of the actual measurement sensor unit and outputting the control torque or distribution torque to the motor controller; and the motor controller is used for controlling two driving motors to move. Compared with the prior art, the system and the method have the advantages of being accurate to control, and good in skid resisting effect.
Owner:TONGJI UNIV
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