49results about How to "Reasonable control method" patented technology

The invention relates to a high-voltage safety control system of an electric vehicle. The high-voltage safety control system comprises a power module, a power distribution module, a safety monitor and control module, a vehicle control unit, a motor controller and a motor, wherein the power module is used for supplying power for the electric vehicle, the power distribution module is used for controlling on-off of a high-voltage circuit through a high-voltage relay, the safety monitor and control module is used for monitoring high-voltage electricity consumption information of the electric vehicle and transmitting the high-voltage electricity consumption information to the vehicle control unit, the vehicle control unit is used for receiving the high-voltage electricity consumption information through a high-voltage power-up and power-down management module and controlling on and off of the high-voltage relay in the power distribution module according to the high-voltage electricity consumption information. A safe control system is established for the electric vehicle, various safety protection functions are comprehensively and systematically realized, the control method is more reasonable, the whole vehicle and the personal safety of drivers can be effectively protected, and relatively high operability is realized.

The invention discloses a cruise control system for a manual transmission automobile and a control method based on the cruise control system. The cruise control system is used for carrying out closed-loop control on a cruise target speed by taking an ignition switch, a cruise request switch and a cruise acceleration / deceleration switch as basic input signals of an intention of a driver, taking a gear signal, a brake switch signal, a clutch switch signal, an accelerator pedal signal and the like as auxiliary input signals and taking an automobile speed signal as a main input signal through controlling the opening of a throttle (the output torque of an engine is controlled by controlling the air inflow), thus realizing the cruise control function of a vehicle. The system and the control method disclosed by the invention are simple in structure, reasonable in control method and safety and reliable to operate.

The invention discloses a blade electric vehicle battery constant temperature and air conditioner system and a control method. The system comprises a four-way valve, a vehicle outer heat exchanger, a first both-way expansion valve, a vehicle inner heat exchanger, a gas-liquid separator, a water tank, a battery box, a refrigerating coil, a water pump and a temperature adjusting coil. The water pump is connected to a water outlet of the water tank and the temperature adjusting coil. The other end of the temperature adjusting coil is connected to a water returning port of the water tank. The refrigerating coil is arranged in the water tank. An exhaust port of the compressor communicates with an air inlet of the four-way valve, and the four-way valve is used for connecting an air inlet and an air suction port of the compressor, the vehicle outer heat exchanger and the vehicle inner heat exchanger. The refrigerating coil is also connected to a refrigerant circulating system, the running route of refrigerant is regulated through four control valves, and accordingly pure battery temperature adjusting, pure air conditioner running and synchronous battery and air conditioner running are achieved. According to the battery constant temperature and air conditioner system, the temperature of a batter pack in a battery case can be regulated, the battery can run in the ideal temperature environment, and the requirements for blade electric vehicle refrigerating and heating are met.

The invention provides a control method and a control device of an air conditioner. The control method comprises the following steps: judging whether the outdoor environmental temperature is smaller than a first preset temperature when the air conditioner operates in a heating mode; if the outdoor temperature is smaller than the first preset temperature, detecting whether people are indoor or not; if people are indoors, controlling the air conditioner to enter in a first defrosting mode so as to defrost an outdoor unit of the air conditioner; and if people are not indoor, controlling the air conditioner to enter in a second defrosting mode so as to defrost the outdoor unit of the air conditioner. According to the control method and the control device of the air conditioner provided by the invention, different defrosting modes are selected according to whether people are indoor or not, and human factors are considered. Compared with the prior art, the temperature factor of an outdoor heat exchanger is only considered. The control method provided by the invention is more reasonable.

The present invention belongs to the technical field of a vehicle power system and relates to an internal-combustion engine fuel supply technology. The present invention discloses a vehicle methanol pyrolysis gas device which is arranged at the exhaust pipeline of an engine that means a pyrolysis gas device casing is one part of the exhaust pipeline. The two ends of the pyrolysis gas device casing are provided with a front exhaust pipe and a back exhaust pipe. The high-temperature exhausted by an engine cylinder enters into the pyrolysis gas device casing through the front exhaust pipe and is exhausted from the back exhaust pipe. After the technical proposal is adopted, the thermal value after the reaction is higher, and dynamic performance is kept at higher level, which improves automobile exhausting performance and fuel economic performance and satisfies the running power requirement of the whole vehicle. The present invention has simple structure and convenient use, which solves the problem of using reproducible energy source to substitute oil fuel, is better for relieving the intense situation of oil energy source and is cleaner and more protective to environment. The vehicle methanol pyrolysis gas device has reasonable control method and the flexible conversion of working states.

The invention discloses a control device of air conditioner system of automobile and controlling method, which sets remote control key (1) in the control device of automobile air conditioner system to connect entire automobile controller (2) through bidirectional wireless signal, wherein the positive direction of wireless signal is the signal to start motor (6) and vehicle-carrying air conditioner system (10); the negative direction is the signal of operating condition to start the motor (6) and vehicle-carrying air conditioner system (10). The invention realizes pre-freezing effect of automobile to improve the comfort of automobile under high temperature, which is rational to control with simple operation and obvious freezing effect.

The invention discloses an electric air conditioning system of an electric automobile. The electric air conditioning system comprises a compressor, a four-way valve, an exterior heat exchanger, a two-way expansion valve, an internal heat exchanger and a gas-liquid separator, wherein gas distributors are respectively arranged at the gas connecting ends of the exterior heat exchanger and the internal heat exchanger; the gas distributor of the exterior heat exchanger is connected with a refrigeration flow opening of the four-way valve; the gas distributor of the internal heat exchanger is connected with a heating flow opening of the four-way valve; liquid distributors are respectively arranged at the liquid connecting ends of the exterior heat exchanger and the internal heat exchanger; the liquid distributor of the exterior heat exchanger is connected with a port of the two-way expansion valve; the other port of the two-way expansion valve is connected with the liquid distributor of the exterior heat exchanger. According to the electric air conditioning system disclosed by the invention, not only can refrigeration and heating be realized on the electric automobile, but also the heat exchange efficiency can be improved, and the refrigeration and heating effect of the electric air conditioning system is improved. In addition, the invention also discloses a control method to realize the intelligent operation of the electric air conditioning system.

The invention discloses an air conditioner and a control method and device of the air conditioner. The method comprises the following steps: an indoor refrigerant concentration is obtained; a refrigerant leakage grade of the air conditioner is determined according to the refrigerant concentration; and the air conditioner is controlled to execute actions matched with the refrigerant leakage level.According to the control method of the air conditioner, when refrigerants are leaked, the refrigerant concentration is detected in real time, and different treatment measures are adopted according tothe concentration magnitude, that is, a classified-detection and classified-treatment mode is used, so that the control method is more reasonable, the problem of resource waste caused by consistent treatment methods for less or more leakage of the refrigerants in the prior art is solved, and the control method is simple and easy to realize.

The invention discloses a muck improving control method and system based on shield tunneling parameter change. The muck improving control method comprises the following steps: a soil bin pressure value and a cutterhead torque value for shield tunneling are obtained in real time, whether the soil bin pressure value and the cutterhead torque value for shield tunneling meet a first condition or not is judged, if the soil bin pressure value and the cutterhead torque value for shield tunneling meet the first condition, it is judged that currently-used tunneling parameters and improving parameters are suitable for a current tunneling formation condition, if the soil bin pressure value and the cutterhead torque value for shield tunneling does not meet the first condition, it is judged that the currently-used tunneling parameters and improving parameters are not suitable for the current tunneling formation condition, and the improving parameters and the tunneling parameters are adjusted till the improving parameters and the tunneling parameters are suitable for the current tunneling formation condition. By adjusting the improving parameters based on the shield tunneling parameter change, the improving parameters suitable for a corresponding formation are obtained, unimproved muck does not need to be obtained again for testing in the period, and the problems that in the tunneling process, muck taking is difficult, the difference between an actual formation condition and obtained muck is large, and consequently determined improving parameters are not reasonable are avoided.

The invention provides a cooking utensil and a control method of the cooking utensil. The cooking utensil comprises a control device and a body with a cooking cavity, wherein the cooking cavity is defined by the inner wall of the body, and at least part of the inner wall of the body is pervious to light. The cooking utensil further comprises a detection device connected with the control device, the detection device is used for detecting the light transmittance of the part, pervious to light, of the inner wall of the body, and the control device is used for judging the cleanness degree of the inner wall of the body according to the light transmittance. For the cooking utensil provided by the invention, according to the principle of optics, the cleanness degree of the inner wall of the cooking utensil is judged by utilizing the light transmittance, for passing through the inner wall of the body of the cooking utensil, of the light, then whether to remind a user to clean the inside of thecooking utensil or not is determined according to the cleanness degree, or, whether automatic cleaning is carried out on the inside of the cooking utensil or not is determined according to the cleanness degree, thus the time for reminding and self-cleaning is more reasonable, and therefore, the use experience of the user is promoted.

The invention provides a vehicle-mounted fuel cell engine system and a control method thereof, belongs to the technical field of fuel cell engines, and solves the problems that in the prior art, a reliable control method is lacked during low-power output of a fuel cell, and energy is wasted during standby. The system comprises an electric pile, an air compressor, an air inlet throttle valve, an intercooler, a tail exhaust throttle valve, a hydrogen discharge valve and an engine controller. Air sequentially passes through the air compressor, the air inlet throttle valve and the intercooler to enter the electric pile, and the hydrogen discharging valve and the tail exhaust throttle valve are arranged at the hydrogen pile outlet and the air pile outlet respectively. The engine controller is used for regularly judging whether the required power of the whole vehicle is greater than the minimum output power of the fuel cell or not; if yes, the galvanic pile is controlled to output according to the required power of the whole vehicle; otherwise, whether the real-time output power of the electric pile exceeds the rated threshold value or not is recognized, if yes, the electric pile is subjected to load reduction and purging till the rated threshold value is not exceeded, the electric pile is powered on, the single-chip voltage index of the electric pile reaches the specified threshold value range, and standby is executed.

The invention relates to a control method for automatic demisting of an automobile and the automobile, which are applied to an automatic demisting system. The system comprises a thermal management controller, an in-automobile temperature and humidity acquisition module, an out-automobile temperature sensor, a sunlight sensor, an evaporator temperature sensor and a rainfall acquisition module, signals such as the vehicle speed and the engine water temperature are obtained through the whole vehicle CAN to serve as control signal input. The method comprises the steps that when the power-on stateof the automobile is ON, the temperature in the automobile, the humidity in the automobile, the temperature outside the automobile and the sunlight intensity are collected in real time to calculate the front windshield fogging probability; the air conditioner requirement of the user is acquired by obtaining the air conditioner setting of the user; vehicle speed, rainfall, engine water temperatureand evaporator air outlet temperature signals are collected as input of the controller to be used for correcting control parameters; and according to the parameters such as the front gear fogging probability, the air conditioner requirement of the user and the vehicle speed, the temperature air door opening degree, the air outlet mode, the air blower gear, the air inlet mode and the compressor state are controlled for automatic defogging, manual operation is reduced, and driving safety is improved.

A control method for preheating and roasting processes during the production of a traveling grate machine belongs to the technical field of the control of the pellet production through the traveling grate machine. The invention aims to provide a judgment and control method for preheating and roasting processes during the pellet production process via the traveling grate machine. The method comprises the following steps: carrying out regression fitting of the exhaust temperatures all bellows in a burner section and two bellows behind the burner by utilizing a least squares method so as to obtain a 6-time temperature curve, wherein the X-axis represents the positions of the detection points, and the Y-axis indicates the temperatures of the detection points; carrying out derivation for a curvilinear equation so as to obtain a slope equation, wherein the X-axis value of the maximal slope point is the preheating termination point which is the reference for the quantitative partition of the preheating and the roasting; and based on the obtained preheating termination point, automatically adjusting the rotational speed of a main induced-draft fan according to the set value of the preheating termination point so as to realize the automatic control of the preheating termination point. According to the invention, the pellet production through the traveling grate machine is stable and the pellet quality is improved.

The invention aims to provide an automobile defrosting system convenient to defrost and reliable and a control method thereof so as to meet the requirements of people on automobile defrosting. The automobile defrosting system comprises a control unit, a frosting sensor, a defrosting compound storage device, a defrosting compound pump, a defrosting pipeline, a front windscreen cleaning pipeline and a windscreen wiper comprising a wiper motor and a wiper blade, the defrosting compound storage device, the defrosting compound pump and the front windscreen cleaning pipeline are connected sequentially and serially through the defrosting pipeline, and the control unit is connected with the defrosting compound pump, the frosting sensor and the wiper motor. The automobile defrosting system is simple in structure, low in cost, easy to arrange and reasonable in control method, and can avoid damage to all the components of the defrosting system and automobile glass, thereby having good practicability.

The invention discloses a washing machine control method. A washing machine has a local machine control mode for controlling the washing machine when a local machine end inputs a control instruction and a remote control mode for remotely controlling the washing machine when an intelligent terminal inputs a control instruction. When the remote control mode is started, after the washing machine receives a pause instruction during running, the remote control mode is controlled to be started or stopped according to the control mode corresponding to the pause instruction and working state parameters of the washing machine. The washing machine adopting the method is also disclosed at the same time. According to the washing machine control method, the remote control mode is controlled to be started or stopped according to the control mode corresponding to the instruction and the state parameters of the washing machine; the control method is more reasonable and applicable to the field of washing machines on the basis of the Internet of Things, the safety of the washing machines on the basis of the Internet of Things during remote control can be effectively ensured, occurrence of safety accidents is avoided, and convenience is also provided for enhancing the control effect of the remote control mode.

The invention discloses a fan coil anti-freezing control method and system and an air conditioner. The anti-freezing control method comprises the following steps: a temperature detecting step: the environment temperature is detected in a stop state; and when the environment temperature is lower than a first threshold, the water outlet temperature and the water return temperature of a fan coil aredetected; a judging step: the lowering and the lowering degree of the water temperature are judged according to the water outlet temperature and the water return temperature; and a control step: the startup and operation states of a water pump are controlled according to the judging results of the lowering and the lowering degree of the water temperature. At a low temperature, the lowering and thelowering degree of the water temperature are judged through detection of the water outlet temperature and the water return temperature of the fan coil, and the startup and operation states of the water pump are correspondingly controlled according to the lowering and the lowering degree, so that water cannot be frozen as ice when the water in a heat exchange tube of the fan coil can flow, the frost cracking problem of the fan coil is solved, the service life of the fan coil is prolonged, and the control method is reasonable and effective.

The invention relates to the field of assembly line conveyors, in particular to an assembly line conveyor sorting device which is used for continuously transferring different sizes of articles betweendifferent conveyors or crossed assembly lines and is applied to conveying lines for conveying articles in non-uniform shapes. The assembly line conveying sorting device comprises a base body. The base body comprises a base. Four bearing supports are uniformly fixed to the upper portion of the base. A ring seat is fixedly arranged on the four bearing supports. The bearing supports support the ringseat. A ring opening is formed in the middle of the ring seat. Four right-angle supports are symmetrically arranged on the upper surface of the base. A supporting seat is mounted at the upper ends ofthe four right-angle supports through bolts. The supporting seat is fixed through the four right-angle supports. A rotating motor is mounted under the supporting seat through a motor base. The rotating motor is connected with an output shaft through a coupling.

The invention relates to an information control and management method of production flow setting and week operative plan arrangement, which comprises users self defining production types, self defining working operation names, attributes and production sequences, self defining production lines under a production line type, self defining a working operation needed by a production line and a corresponding post of the procedure, and uploading to a database, defining a working operation and a working operation production cycle needed by products, and uploading to a database, inputting batch quantity according to a month production plan, and automatically generating batch numbers, distributing batch number information to each working operation needed by products, making production orders, making material quota, device parameter control and early-warning range and device information needed by the posts, detecting whether passes through the audit or not, if the detection result is positive, then, assigning production operation in a week operative plan to a concentrate post, designating a production period, and uploading to the database. Compared with the prior art, the information control and management method can integrally and effectively manage production flow and plans, and improves the highly-effective transparency of control and management.

The invention discloses a process for preparing pyrogallol through coupled heating, which comprises using gallic acid as raw material, carrying out intermittent process flows including drying, sublimation, cooling down crystallization and vacuum decarboxylation with a totally coupled heating system and a semi-coupled cooling system, thus the pyrogallic acid can be crystallized and separated.

The embodiment of the invention relates to a control method for suppressing switching oscillation of a field-effect transistor and a second-order model. The second-order model comprises a step power supply, a main loop inductor connected with the positive electrode of the step power supply, a main loop capacitor connected with the main loop inductor and a main loop resistor connected with the mainloop capacitor, wherein the main loop resistor is connected with the negative electrode of the step power supply. According to the control method for suppressing the switching oscillation of the field-effect transistor, through the second-order model of a switching loop of the field-effect transistor, the switching loop of the field-effect transistor does not need to connect additional damping equipment in a main loop in the switching loop of the field-effect transistor, and a new oscillation mode is not introduced; and by switching on and switching off the second-order model, driving resistance capable of suppressing oscillation in the switching-on or switching-off process of the field-effect transistor is obtained, so that oscillation in the switching-on or switching-off process of thefield-effect transistor is effectively suppressed, and the technical problem that oscillation occurs in the switch transient process of an existing silicon carbide MOSFET is solved.

The invention discloses a variable vibration fuel cell water management system and a control method thereof. The system comprises a variable vibration device and a fuzzy controller, the variable vibration device comprises a plurality of spring lifting tables with electric damping springs, a vibrator lifting table with a vibrator and a placement seat located above the spring lifting tables and the vibrator lifting table, a fuel cell stack is positioned and installed on the placement seat through a positioning piece, the electric damping springs are connected with the fuzzy controller through a damping spring control wire harness, the vibrator is also connected with the fuzzy controller through a vibrator control wire harness, and the fuzzy controller can control the vibrator to vibrate and enable the fuel cell stack to ascend and descend by controlling the electric damping spring to act. The system has the beneficial effects that: the structural design is ingenious, the control method is reasonable, the problem of water logging in the fuel cell stack caused by vibration of the fuel cell under the complex road condition is effectively solved, the vibration stability of the fuel cell under the complex road condition is ensured, and the performance of the fuel cell is also improved.

The invention provides an electric automobile electro-hydraulic composite braking system based on hub motor driving and a front and rear axle braking force distribution method. The electric automobile electro-hydraulic composite braking system comprises a hydraulic friction braking module, a motor regenerative braking module, an energy management module and a whole automobile control module. The hydraulic friction braking module comprises a whole automobile control unit, a drive-by-wire hydraulic braking force distribution control unit, an electromagnetic valve and the like; the motor regenerative braking module comprises a hub motor, a motor controller and a rotating speed sensor; and the energy management module comprises a battery management system and a power battery. In the braking process of the automobile, a sensor detects the required braking strength of the automobile and the state information of the automobile, and the whole automobile control unit distributes the electro-hydraulic composite braking force through the hydraulic friction braking module and the motor regenerative braking module. Meanwhile, the invention provides an electro-hydraulic composite braking front and rear axle braking force distribution method, safety areas of front and rear axle braking force distribution beta' and beta'' lines are given, the tendency that rear wheels of the automobile are locked first is reduced, and the braking safety of the automobile is improved.

The invention provides an integratable heat pump air conditioner and heat management system and a control method thereof. The integratable heat pump air conditioner and heat management system comprises a refrigerant circulation system, a refrigerating fluid circulation system, a first heat management system and a second heat management system. The refrigerant circulating system is communicated with the refrigerating fluid circulating system so as to transmit the heating amount and the refrigerating amount of a refrigerant to the cooling fluid circulating system; the first thermal management system is communicated with the refrigerating fluid circulation system and is used for cooling the battery pack; the second thermal management system is communicated with the refrigerating fluid circulation system and is used for cooling the motor; the second heat management system is further used for dissipating waste heat in the cooling liquid circulation system and the first heat management system into air. According to the system and the control method thereof, various heat management functions are combined, the control method is perfect, reasonable and scientific, the arrangement space of a heat pump air conditioner and a heat management system assembly can be effectively reduced due to the adoption of an integrated module concept, light weight is facilitated, the energy efficiency ratio of the air conditioner system is effectively increased, and the purposes of saving energy and reducing consumption are achieved.

The invention discloses a control method for a discharging device, and relates to the technical field of material separation devices. The discharging device comprises a shell and a feeding inlet in the upper portion of the shell, and a plurality of discharging outlets are formed in the lower portion of the shell; a plurality of transfer assemblies are arranged on the side, close to the feeding inlet, in the shell, and the transfer assemblies can rotate to transfer materials; a plurality of swing assemblies are arranged on the side, close to the discharging outlets, in the shell, the swing assemblies can swing so as to change the moving directions of the materials which are transferred by the transfer assemblies, and any one discharging outlet can be selectively blocked; a controller is electrically connected with the transfer assemblies and the swing assemblies. The discharging device is adopted in the control method of the discharging device. The discharging device can provide the discharging outlets so that the materials can be transferred for a plurality of production lines at the same time, and the materials can be transferred for the production lines respectively, the structure is simple, the reliability is high, and the efficiency is high. According to the control method of the discharging device, the discharging amount of each discharging outlet can be controlled.

The invention relates to a production control method based on self-defined production original record, which includes steps that a system lists posts with operation permission according to users' ID, then users select the posts, the system automatically locates batch number information of the current production, the system automatically lists all procedures of the original record for guiding production, then users select the production procedure, the system indicates equipment and equipment parameters required in the procedure, the system automatically collects the equipment parameters and tests and compares the collected parameters with standard parameter values, if meeting requirements, the data is stored for rechecking, production is terminated after rechecking passes, then system provides the function of inquiry and printing, if out of early-warning range, early warnings are sent out, if out of process control range, deviation disposition is carried out, then the system checks the necessity of reworking, and if positive, the system returns to the step of selecting posts by users. Compared with the prior art, the production control method is reasonable and highly efficient, saves production cost, greatly increases production efficiency, effectively controls the production process, guarantees accuracy of production control, and guarantees product quality.