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

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.

The invention relates to the field of motors, and provides a motor temperature protection device, a motor, an electric vehicle and a control method. A temperature sensor of the motor temperature protection device detects the temperature of the motor in real time, detected temperature signals are transmitted to a control circuit to be compared, the control circuit controls a driving device to control a driving current of the motor according to a comparison result so that the operating state of the motor can be changed, and meanwhile prompting signals are output to enable a prompting device to do a prompting motion to prompt a user for the current operating state of the motor. When the user receives the prompting motion, the user can reduce speed, drive an electric motorcycle or an electric bicycle close to sides and take other related safety measures, and therefore damage to the motor and safety accidents are prevented. Therefore, the motor temperature protection device and the control method can solve the problems that in the prior art, when the temperature of the motor of the electric motorcycle or the electric bicycle is over-high, damage to the motor is caused, and potential safety hazards occur.

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.

The invention discloses a method for changing the operation state of a mobile terminal, and a mobile terminal. The method comprises the following steps: the mobile terminal sensing a physical state change mode of itself; and according to the physical state change mode, obtaining from a preset database a corresponding mobile terminal operation state value, and correspondingly changing the current operation state of the mobile terminal. According the invention, the operation states of mobile terminals, such as a normal communication state, a muting state, a flight state, a busy line state, a call conversion state, a short message sending state, an address list scheduling state and the like, can be changed simply by changing the physical states of such mobile terminals as a mobile phone and the like, including overturning, shaking and a shacking frequency. Besides, the response is fast, and the operation is convenient, time-saving and labor-saving.

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.

The invention provides a working direction smooth switching control method for a bidirectional resonant CLLC circuit, comprising the following steps that 1, a controller detects a current circuit state and controls the bidirectional resonant CLLC circuit to operate in a forward working state by a primary-side bridge and a secondary-side bridge; 2, when an externally transmitted reference signal ora reference signal preset in the controller received by the controller is a working direction switching signal, the step 3 is executed; 3, the controller performs frequency conversion control; 4, thecontroller performs a phase shift control preparation operation, and generates a driving signal of the secondary-side bridge; and 5, the controller performs phase shift control; and 6, the circuit working state is switched to a reverse working mode. The control method of the invention combines the frequency conversion control and the phase shift control to realize, without using additional hardware, a function of switching the working direction of the bidirectional resonant CLLC circuit which cannot be realized by the conventional frequency conversion control.

The invention relates to a displacement state recognition device for an automatic sweeper. The automatic sweeper comprises a driven wheel, a power wheel, a magnet and a Hall sensor. The driven wheel rolls along with movement of the automatic sweeper and contacts with the ground; the power wheel drives the automatic sweeper to move; a positional distance between the magnet and the Hall sensor varies along with rotation of the driven wheel, and the Hall sensor senses changes of positional distance of the magnet.

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.

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.

The invention, which belongs to the field of motor control, discloses a switched reluctance motor detection system and a control method thereof. The detection system comprises a power supply, a powerconverter, an infrared thermal imaging detector, an encoder, an SOC controller, a drive circuit, a sampling circuit and a display / touch screen. When a switched reluctance motor is in normal operation,the detection system uses the infrared thermal imaging detector to monitor the temperature of each component in the motor in real time; when the internal temperature of the motor is detected to exceed a limit or to be abnormal, the shutdown operation is carried out in time or the running state of the motor is changed in time, so that faults are cut off timely and conveniently and the motor reaches an optimal running state effect. Meanwhile, the infrared thermal imaging detector and the switched reluctance motor are controlled in a unified mode to realize closed-loop control over the internaltemperature of the motor, so that the whole system is made to work in the optimal operation state. The system has advantages of high reliability, high economy, and great convenient in operation and maintenance.

The invention discloses a multi-crawler type omnidirectional mobile platform, which comprises four double-crawler sub-mobile platforms and a top structure. Each sub-mobile platform includes a sub-platform support structure and two symmetrical track structures, each track structure includes a track, a track drive wheel and three track support wheels; each drive wheel is fixed on the sub-platform support structure It is driven by a deceleration motor with a speed measuring encoder; the support wheel is connected to the support structure of the sub-platform through a fixed shaft. The top structure contains the battery, controller and four angle measuring potentiometers. The top structure is fixed on the four sub-mobile platforms by four angular contact bearings. The rotation angle of the sub-mobile platform relative to the top structure can be measured by an angle measuring potentiometer. The controller realizes the omnidirectional movement of the overall structure by controlling the movement of each sub-mobile platform. This platform is suitable for sports that require equipment in an omnidirectional mobile environment. It has the characteristics of large load, smooth movement and high reliability.

The invention relates to the field of submerged arc furnace equipment, in particular to an automatic electrode paste adding device and method for submerged arc furnaces. By means of the device, an electrode paste storage bin, a conveying device capable of achieving long-distance conveying and a servo system single beam crane are combined, so that electrode paste can be injected to multiple sets ofsubmerged arc furnaces automatically, the electrode paste injecting efficiency is improved, in addition, the electrode paste stored remotely can be conveyed to the submerged arc furnace, and the field utilization rate is increased. The invention further provides an automatic electrode paste adding method for the submerged arc furnaces, an electric control system and a monitoring device are used for conducting programming control and real-time detection, the electrode paste injecting process is more intelligent, and the work efficiency is improved.

The invention relates to a method for controlling the cooling of an industrial plant with at least one electrical component, such as, for example, a transformer, comprising at least one cooling element for cooling the electrical components, wherein at least one sensor is provided for measuring the temperature and / or the viscosity of the coolant in the cooling system. An optimal control of the cooling system can be provided by means of controlling the electrical components with selected control profiles taking into account specific data for the electrical components.

The invention provides a development method and a transmitting device based on serial port simulation software, at least two serial port resource are fictitiously generated, the serial port resource comprises a first serial port and a second serial port, and binding the first serial port and the second serial port through a serial port line to send data from the first serial port to the second serial port, and accessing resources through the first serial port and the second serial port to listen to and send data, thereby providing a convenient and efficient auxiliary development construction scheme.

The invention relates to a vehicle and a driving performance limitation control method for an emission fault of the vehicle. The method comprises the steps: judging whether severe driving performancelimitation is activated or not when a severe driving performance limitation instruction is received; and if the severe driving performance limitation is activated, judging whether the current vehiclespeed is greater than a preset vehicle speed threshold, and if the current vehicle speed is greater than the preset vehicle speed threshold, setting the required torque of the whole vehicle to be zero. After the severe fault occurs in vehicle emission, severe driving performance limitation is entered, when the vehicle speed is high, the torque requirement of the whole vehicle is set to be zero, the vehicle is prevented from continuing to accelerate, and air pollution caused by emission degradation is reduced; and through the severe driving performance limitation activation condition, the driving performance limitation under the severe emission fault of the vehicle can be started in time or implemented, and a driver is urged to maintain the fault influencing the emission performance, so that the continuous harm of the vehicle with emission degradation to the air quality is reduced.

The invention relates to a method for reducing damage and wear of a tribological system of a transmission system which comprises a transmission and a clutch, which are guided together in a transmission oil, wherein a transmission temperature and a number of gear changes of the transmission are measured and supplied to a mathematical model. In a method, a wear factor (90, 95) is calculated by the mathematical wear model representing the tribological transmission system, in dependence whereof an operating state of the transmission system is modified to reduce the wear of the transmission system.

The invention discloses combined chain wheel equipment. According to the combined chain wheel equipment, part or whole wheels of existing carrying equipment such as a single-wheel balance car, a Segway car, an intelligent swinging car, a luggage case, a scrambling motorcycle and a skateboard are replaced with combined chain wheels, therefore, the problems that the existing carrying equipment such as the single-wheel balance car, the Segway car and the intelligent swinging car cannot suddenly brake and is deficient in scrambling and obstacle crossing capacity, high in noise, heavy in bumping, large in size and the like are solved, and stable, safe and quiet running of various carrying equipment on an uneven and discontinuous road is achieved.

The invention relates to a single-machine-driven double-pendulum synchronous push-and-pull device and a method for avoiding unfavorable push and pull. The single-machine-driven double-pendulum synchronous push-and-pull device comprises a first universal joint rod, a second universal joint rod and a universal bearing ball, wherein the first universal joint rod and the second universal joint rod are connected in a rotating mode and installed in a through hole of the universal joint rod of the universal bearing ball in a clamping mode so that a cross point of a first shaft and a second shaft coincides with a center of a sliding outer wall of the universal bearing ball. The single-machine-driven double-pendulum synchronous push-and-pull device has the advantages that axes of a push-and-pull sleeve assembly is adapted to sway and change with the torque changing and the center of gravity displacing during the change process of a variable device; the overall torque balance of the variable device and the smooth movement of the center of gravity are maintained; and further the situation of unfavorable push and pull in the prior art is prevented from occurring with a feedback sleeve, a pressure switch and a feedback boss structure.

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.

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.

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.

The invention belongs to the technical field of medical treatment, in particular to an automatic telescopic crawling electronic colposcope for gynecology department. The following scheme is put forward aiming at the colposcope adjustment problem: the automatic telescopic crawling electronic colposcope comprises an electronic colposcope main body, a host and a base. When the automatic telescopic crawling electronic colposcope moves forward, the interior of an outer tube is inflated, so that the air pressure in the rear end of the outer tube is increased, an inner tube is pushed forwards, the electronic colposcope body component moves forwards, meanwhile, a first air bag is inflated and expanded to be clamped to the inner wall of the vagina, then an air source is cut off, the outer tube shrinks along the inner tube and moves forwards by a certain distance in the vagina, and then a second air bag is inflated and expanded to be clamped in the vagina. The position stability of the electronic colposcope body is maintained, the electronic colposcope body can continuously move in the vagina through the cyclic action, and the position can be conveniently and automatically adjusted to inspect the affected part.

The invention discloses a mower, and belongs to the field of mowers. The mower comprises a handle, an enclosure, a locking groove, a locking member and a control unit, wherein the handle is rotatablyarranged on the enclosure, one of the locking groove and the locking member is arranged on the handle, the other is arranged on the enclosure, the control unit is used for controlling the locking member to parallelly move in and out of the locking groove, and the locking groove and the locking member limit the rotation of the handle relative to the enclosure when the locking member is located in the locking groove. When the locking member is located in the locking groove, the handle and the enclosure are mutually locked and cannot realize relative rotation, and when the locking member is located outside the locking groove, the handle and the enclosure are mutually unlocked and can realize relative rotation. Switching of the locking state and unlocking state between the locking member and the locking groove is realized by parallelly moving the locking member in and out of the locking groove.

The invention relates to a method for reducing wear and damage of a tribological system of a transmission system comprising a transmission and a clutch which are jointly guided in transmission oil, wherein the transmission temperature is measured and the number of shifts of the transmission and feed it to the mathematical model. In the method, loss factors (90, 95) are calculated by describing a mathematical wear model of the transmission system tribologically, and the operating state of the transmission system is changed according to the loss factors to reduce wear of the transmission system.

The invention relates to a large-scale greenhouse intensive monitoring and management system and a management method thereof. The invention relates to the technical field of system integration of intensive monitoring and management of multiple greenhouse control terminals based on the modern agricultural Internet of Things technology. The system comprises an intensive system platform, a cloud server, a first communication link, a second communication link, a third communication link, an unvarnished transmission Internet of Things, the multiple greenhouse control terminals and a mobile terminal. The invention provides a means for intensive monitoring and management of large-scale greenhouses, and the method has the characteristics of no wiring, easy upgrading and rapid deployment. By setting an operation strategy at the terminal, the greenhouse control terminal can be quickly controlled; and meanwhile, based on the characteristics of the cloud service architecture, the problem of deploying an intensive system platform in different places is essentially solved.

The invention discloses an AI balance car. The AI balance car is composed of two combined chain wheels arranged left and right, an open car body, a handlebar, a car-mounted body sensor, a car-mountedcentral control system, a car-mounted storage battery and a car-mounted gyro system, wherein main bearing wheels of the combined chain wheels are electric hubs or electric sprocket hubs. The diameterof a main bearing wheel of the combined chain wheel is greater than those of the cross-country wheel and the obstacle-crossing wheel; a wheel load body sensor, a wheel load central control system, more than zero wheel load storage batteries and a wheel load gyro system are arranged on the combined chain wheel; and partial or all wheels of the combined chain wheels are provided with a pressure sensor and a speed sensor. The problems that an existing carrying device (such as a single-wheel balance car, a Segway car and an intelligent swing car) cannot be braked suddenly, the cross-country obstacle crossing capacity is insufficient, noise is large, jolting is large, and the size is large are solved, and stable, safe and quiet operation of various carrying devices on uneven and discontinuous road surfaces is achieved.

The invention relates to the field of motors, and provides a motor temperature protection device, a motor, an electric vehicle and a control method. The temperature sensor of the motor temperature protection device detects the temperature of the motor in real time and transmits the detected temperature signal to the control circuit for comparison. The prompting signal causes the prompting device to perform a prompting action to prompt the user of the current running state of the motor. When the user receives the prompt action, he can take relevant safety measures such as slowing down, driving the electric motorcycle or electric bicycle aside, so as to avoid damage to the motor and safety accidents. Therefore, the motor temperature protection device and control method provided by the present invention can solve the problems in the prior art that the electric motors of electric motorcycles and electric bicycles run under the condition of excessive temperature, causing damage to the electric motors and potential safety hazards.