2357 results about "Start stop" patented technology

This invention relates to a Start-Stop method for a heavy-duty hybrid vehicle that turns off the internal combustion engine when the vehicle stops or, optionally, when the vehicle travels downhill. The Stop-Start method automatically restarts the internal combustion engine when the vehicle starts accelerating or is no longer traveling downhill. The software instructions for the Stop-Start method reside within the programming of the hybrid vehicle control computer as a subset of the hybrid vehicle control strategy in hybrid-electric or hybrid-hydraulic heavy-duty vehicle. During the time the internal combustion engine is turned off the necessary vehicle accessories operate from the available power of the hybrid high power energy storage.

A start-stop or idle-stop method for a heavy-duty hybrid vehicle that turns off the fuel supply while maintaining the crankshaft rotation of the internal combustion engine when the vehicle stops or, optionally, when the vehicle travels downhill, travels in a noise sensitive location, travels in an exhaust emissions sensitive location, or operates in an emergency situation. The stop-start or idle-stop method automatically turns on the engine fuel supply to restart combustion when the vehicle starts accelerating, is no longer traveling downhill, is no longer traveling in a noise sensitive or exhaust sensitive location, is no longer in an emergency situation, or has dropped below the minimum energy storage restart level.

The invention concerns a drive system, especially for a motor vehicle, with a drive assembly, especially an internal combustion engine; an electric machine that is directly coupled or can be coupled to the drive shaft of the drive assembly, being designed such that it can start the drive assembly by merging in from standstill; and an automatic start-stop control of the drive assembly. The invention is also addressed to a method for operating such a drive system.

A start-stop or idle-stop method for a heavy-duty hybrid vehicle that turns off the fuel supply while maintaining the crankshaft rotation of the internal combustion engine when the vehicle stops or, optionally, when the vehicle travels downhill, travels in a noise sensitive location, travels in an exhaust emissions sensitive location, or operates in an emergency situation. The stop-start or idle-stop method automatically turns on the engine fuel supply to restart combustion when the vehicle starts accelerating, is no longer traveling downhill, is no longer traveling in a noise sensitive or exhaust sensitive location, is no longer in an emergency situation, or has dropped below the minimum energy storage restart level. The stop-start or idle-stop may be inhibited upon certain override conditions.

The invention discloses a method for regulating normal operating frequency of a DC inverter compressor, which comprises the following steps of: constantly detecting the change of ambient temperature in each room in the running process of the DC inverter compressor; calculating the basic operating frequency of the DC inverter compressor according to the actually required percentage of an indoor unit; and correcting the basic operating frequency according to the change of the ambient temperature in the room. The operating frequency of the DC inverter compressor is subjected to frequency reduction regulation according to the change of the ambient temperature in the room, so the DC inverter compressor is more energy-saving; and when the capacity requirement is low, the operating frequency of the DC inverter compressor is reduced and the output capacity is low, so the temperature fluctuation is small after the indoor ambient temperature reaches the set temperature, the comfortable sensation of a human body is better, and the start-stop times of the DC inverter compressor can be reduced.

The technology described herein provides a system and method for automatically increasing the remaining driving range of a vehicle when a low fuel or other condition is detected by altering the operating parameters of one or more vehicle systems to improve propulsion system efficiency and thereby lower fuel consumption. The vehicle range extending system is capable of altering the operating parameters of any vehicle system, including for example variable displacement settings, start-stop technology settings, and HVAC operation. The disclosed technology can also provide information to the driver, suggesting which system operating parameters should be altered to reduce the fuel consumption rate.

A method, apparatus, and article of manufacture provide the ability to display a sun and shadow simulation in a 3D system. A 3D view of a real world scene is displayed, using a 3D graphics application, on a display device. A plug-in is installed into the application. A calendar period (e.g., a month, day, and year) is defined by the user. A timeline arc is displayed with the calendar period defining a radius of the arc, and starting stopping endpoints of the timeline arc defining an interval of time during the calendar period. A timeline slider is displayed on the arc that indicates a time of day within the calendar period. A visualization is displayed, in the 3D view, of shadows cast by a sun on objects in the 3D view. A position of the sun is based on the calendar period and the time of day.

A method for analyzing traffic on road based on taxi cab data includes utilizing buffer region technique, correlation verification technique, trend included angle technique, active and passive car stopping discrimination technique and data drift-filter technique to carry out car speed analysis, out-driving start-stop point OD analysis and car out-driving index analysis; then making integrated analysis of parameter settings and combining with concrete data reported from taxi cabs to count up out-driving index of taxi cab.

The invention discloses an engine start-stop controlling method in the switching process of strong hybrid power operating modes of an automobile. The method comprises the following steps of: determining whether the current state meets the starting conditions of an engine according to the relative information acquired by a multi-energy controller, wherein the treatment on a battery pack state-of-charge (SOC) signal, an accelerator pedal signal and an automobile speed signal is controlled by a hysteresis loop; outputting moment relative to the rotating speed of the engine in the process of starting and stopping the engine by using a starting motor (a first motor); controlling an ignition coil relay of the engine by using the multi-energy controller so as to control the ignition time of the engine; and compensating the fluctuation of the moment output by a power system in the start-stop process of a generator by using a driving motor. The method of the invention has the advantages of realizing reliable, economic and efficient start-stop control over the engine, reducing the vibration in the start-stop process, improving the properties of the whole automobile, recovering kinetic energy in the stopping process of the engine in the stopping process and further improving the utilization ratio of the energy, along with simple and practicable implementation.

The invention relates to an underground central pump room draining automatic monitoring system, which comprises a PLC control cabinet, a remote expanding module, a site data bus, a contact screen, an analog quantity and switching value input module, various monitoring probes, a travel switch, a level instrument and an executable section. A monitoring net adopts a form of combining a PROFIBUS DP site data bus and an industrial ethernet. A monitoring method for the system comprises: (1) monitoring the absorbing well water level; (2) monitoring the state for starting a high pressure switching cabinet by a water pump; (3) judging the valve levels of a gate valve, a ball valve of a water jet pumping device and a water distribution gate; (4) judging the valve levels of a vacuum pump ball valve; (5) measuring each equipment temperature measuring point; (6) measuring signals of a pressure sensor and a negative pressure sensor; (7) judging system faults; (8) automatically controlling the start-stop and operation numbers of the water pumps according to the absorbing well water level conditions; and (9) setting power supply peak avoiding time periods, and automatically selecting starting time and numbers of a pump. The system improves the system working reliability, reduces the equipment fault rate, and adopts a three-stage monitoring structure for a draining system.

A start-stop retrofit kit includes a start-stop module configured to monitor one or more parameters of a vehicle, configured to automatically stop an engine of the vehicle when the vehicle is idling during operation, and configured to automatically start the engine when the vehicle is not idling during operation. The retrofit kit further includes a wire harness configured to couple the start-stop module to a switch disposed between a starter motor and an ignition of the engine of the vehicle, wherein the switch is disposed in parallel with an existing connection between the ignition and the starter motor.

The present invention relates to a start-stop “mild hybrid” vehicle with a starting system which utilizes traditional engine and transmission architecture. The present invention separates the pinion actuator solenoid from the starter motor power switching circuit. A power relay is provided to switch the starter motor. The pinion gear in the present invention is pre-shuttled to, and held in mesh with, the flywheel ring gear during engine stop conditions. A “prime current” is then applied to the power relay just below that which is required to energize the power relay. Upon request for an engine start, the current will increase to energize the relay and allow the starter motor to spin. A significant amount of time lag is thusly removed from the starting system permitting an expedient restart and launch. The pinion actuator solenoid in this invention may also have two coils which may be selectively energized.

A computer programmable system and program product for controlling vibrations is provided. The computer programmable system and program product include first program instructions for actively driving a first imbalance mass concentration rotor and a second imbalance mass concentration rotor at a vibration canceling rotation frequency while controlling the rotational position of the first imbalance mass concentration and the second imbalance mass concentration to produce a rotating net force vector to inhibit periodic vibrations. The computer programmable system and program product include second program instructions to opposingly orient the first imbalance mass concentration relative to the second imbalance mass concentration during a starting stopping rotation speed less than the vibration canceling rotation frequency. The system and product preferably include a fault mode control protocol for controlling a rotation of the rotors during a sensed failure of the rotating assembly vibration control system.

Systems, control methods and related apparatus for engine idling reduction, to decrease operating cost and pollution related to the use of an automotive vehicle, while increasing its autonomy. Integrated are an automatic start-stop device, an increased onboard energy capacity, an electric pump that circulates engine coolant to the heater radiator to extract engine thermal inertia for cabin heating and an engine electric cooling system. The system is designed to reduce fuel consumption and air pollution while maintaining auxiliary systems in function and the cabin temperature at an acceptable level when the engine is stopped. This system may be integrated aboard internal combustion engine vehicles that have important idling periods in normal conditions. Such systems can either be implemented as retrofit kits or during a vehicle's manufacturing, directly by the original equipment manufacturer (OEM).

The invention provides a new method for controlling flying shears for bars and wires based on T400, which is an advanced electrical control method for start-stop type flying shears for bars and wires. The method comprises the steps of accurate shearing-blade position control, shearing length control and automatic shearing optimization, and the like; in the process of production, when an upstream rolling mill has an accident, or the quality of a section of a rolled piece is poor, a fragmentation function can be started on line so as to carry out partial fragmentation or complete fragmentation on the rolled piece, and the fragmentation and shearing speed is in step with the running speed of the rolled piece automatically; and when the fragmentation operation is stopped, a flying shear is automatically positioned to a start position and enters into a standby state of the normal shear mode. In the invention, the powerful computation function of the T400 is fully used, core control parts of the flying shear are completely integrated into the T400, and high-speed counters, shaft positioning modules and touch screens are not required, therefore, the cost is reduced, and high accuracy is obtained; and when the flying shear carries out double-length shearing at a speed of 21 m / s, the double-length error is basically within 75 mm, and partial double-length error can be within 30 mm.

The invention relates to a composite static start-stop method mass flowmeter calibration system which is used for checking the flow rate of a mass flowmeter, is a calibrating apparatus adopting the mass flowmeter that is nationally and legally prescribed and can check the main characteristics and accuracy index of the mass flowmeter. The calibration system comprises a water tank, a current stabilizer, a regulating valve, stop valves and an electronic scale, and is characterized in that a flow rate pump set is connected between the water tank and the current stabilizer, the two sides of the flowmeter to be measured are respectively connected with standard flowmeter sets, the two ends of the regulating valve are respectively provided with the stop valves, one end thereof is connected with the water tank, and the other end is connected with the current stabilizer which is connected with a weighing container; the standard flowmeter sets, the flowmeter to be measured, the regulating valve and the electronic scale are connected with a computer. The calibration system has the advantages of weighing method and standard scale method, so as to have high accuracy in calibration and working efficiency and the like; furthermore, a static start-stop method is adopted to calibrate the mass flowmeter, so that the accuracy error caused by inconsonant positive and negative strokes of a steering gear can be avoided.

The invention discloses a charging and discharging scheduling method for electric vehicles connected to a micro-grid. The method comprises the steps of: (1) determining a system structure of the micro-grid and the characteristics of various units; (2) building a micro-grid optimal scheduling target function of considering the battery depreciation cost of the electric vehicles under time-sharing electrovalence; (3) determining constraints of various distributed power supplies, batteries of the electric vehicles and the like and forming a micro-grid optimal scheduling model by the constraints and the micro-grid optimal scheduling target function; (4) determining the number, the start-stop time, the start-stop charged states and other basic calculated data of the electric vehicles connected to the power grid under the time-sharing electrovalence; and (5) solving the micro-grid optimal scheduling model through a particle swarm algorithm and determining the charge and discharge power when the electric vehicles are connected to the power grid. The batteries of the electric vehicles are connected to the micro-grid as mobile distributed energy storage devices to achieve the peak load shifting effect; the operation safety and stability of the micro-grid in the time-sharing electrovalence environment are improved; and the energy utilization efficiency and the power grid operation efficiency are simultaneously improved.

The invention discloses a method for acquiring video resource interception time points, which is used to acquire the start-stop time points of the video resource leader and tail leader. The method includes: when the control operation a user performing to the video player is a control operation satisfying the setting requirement, recording the corresponding time point of the progress bar of the video player when the control operation finishes as an operation time point, to count the occurrence number of each operation time point in the operation time points; and determining an operation time point as the interception time point of the video files according to the occurrence number of each operation time point. The present invention also discloses a system for acquiring video resource interception time points.

The invention discloses an unmanned aerial vehicle man-machine interaction method based on three-dimensional continuous gesture recognition. The method comprises the following steps: acquiring human skeleton tracking data through a Kinect sensor, wherein the human skeleton tracking data at least include skeleton point tracking data of a right hand, a left hand, a right elbow, a left elbow, a right shoulder and a left shoulder; extracting a gesture track feature and preprocessing the gesture track feature, wherein preprocessing includes gesture start-stop detection, smooth filtering processing, resampling and position normalization; performing gesture recognition by using a neural network algorithm; and converting a gesture recognition result into a corresponding control instruction for controlling flight of an unmanned aerial vehicle. Through adoption of the method, gestures can be recognized accurately, so that a user can control flight of the unmanned aerial vehicle more freely and conveniently.

A control method for a gearbox based on engine starting and stopping and a system thereof belong to the field of automotive transmissions. The judgment and the predictive analysis for an engine state are implemented according to engine control signals acquired by a CAN (Controller Area Network) high-speed bus and gear signals of a gear shift mechanism; and the sliding friction degree of a wet clutch is adjusted by comprehensive judgment and predictive analysis through acquiring gearbox signals and diagnosis results of TCU (Transmission Control Unit) internal logic to present driving working conditions, so that the automobile starting control after engine restarting, the engine stopping time judgment and the start-stop feedback signal sending are realized. The method and the system implement optical control for the working state of the gearbox of the automobile in the mutual change process between movement state and stationary state in the start-stop technology, and solve the problem of wearing the clutch mechanical body caused by needing two clutches for sliding friction starting in the prior art.

The invention provides a start-stop auxiliary device used in an integral reactor and a cold starting method of the integral reactor. An inlet of a starting separator is connected with an outlet conduit of a once-through steam generator, an outlet of the starting separator is connected with a main steam pipe through a steam valve, and a drain outlet is connected with a water storage tank. An outlet at the bottom of the water storage tank is connected with a circulating water pump, and one conduit at the outlet of the water storage tank is connected with a condenser through an outlet stop valve of the water storage tank, a water storage tank water level control valve and a thermoreduction and dropping device. The circulating water pump is connected with a water supply conduit at the inlet of the once-through steam generator through a circulating water-carrying control valve. A water feed pump is connected with the condenser, the water feed pump is further connected with the inlet conduit of the once-through steam generator through a main water feed valve and with the water storage tank through a cold water valve. The start-stop auxiliary device is capable of increasing the temperature and pressure of refrigerant in a first circuit when the reactor starts, starting pressure and starting flow of a second circuit are established effectively, phenomenon of unstable flow is avoided, working media and heat energy are recycled effectively, and starting time is shortened.

The invention relates to a feature selection identification method for non-invasive power load monitoring, which is characterized in that the method comprises the following steps: step 1, detecting aload start-stop event from a total active power of a power consumption scene and extracting a load event feature; step 2, establishing a training data set of a machine learning classify; step 3, carrying out feature selection processing on that train data set, and optimally configuring the features used for the train classification model; step 4, establishing a supervised classification model, andtraining that supervised classification model with the train data set in the step 2 and the feature selected in the step 3; step 5, obtaining that value of each characteristic of the unknown kind ofload event through the step 1, analyzing the machine learn classification model established in the step 4, obtaining the classification result, and finally realizing the detection and identification of the load event. The invention can improve the identification performance of the machine learning classification model established for the identification load event through the feature selection.

The invention discloses an improved multi-time scale coordinated control method for independent microgrid containing hybrid energy storage, this method is based on the day-ahead planning decision model, The intra-day rolling optimization model based on model predictive control, the quasi-real-time coordinated control model based on comprehensive criteria and the real-time coordinated control modelare constructed. Firstly, the day-ahead planning decision-making model takes the operation economy as the optimization objective, the operation restriction of distributed generation and the safety and stability of the system as the constraint conditions. Then the controllable unit start-stop plan deviation and load switching plan deviation are introduced into the rolling optimization model as soft constraints, which allow to revise the unit start-stop plan and load switching plan before the day. Secondly, a comprehensive criterion is introduced into the quasi-real-time coordinated control todecide the priority of distributed generation. Finally, in the real-time coordinated control, the hybrid energy storage system adopts the improved first-order low-pass filter algorithm to compensate the second-order unbalanced power adaptively.

The invention discloses an output optimal operation method of a thermal power unit in the environment of ensuring electricity price bidding marketization, and the method comprises the following steps: establishing a manual input cost parameter table and a unit production real-time system database; establishing a generating fuel cost curve of the unit; calculating the start-stop cost and the fixed cost of the unit; calculating the environment cost of the unit, internalizing the environment cost and calculating the environment cost directly according to harmful gas emission and a discount standard; analyzing bidding risk; establishing an objective function of a mathematical model of economic operation of a single unit based on profit maximization; guaranteeing constraint conditions of optimal operation of the unit; and establishing the best output model table of the unit at various periods. The method considers the factors of environmental protection cost and bidding risk comprehensively, thus reducing harmful gas emission of the power plant when a generation company does not add environmental protection equipment, and moreover, reasonable analysis of the bidding risk can realize price bidding of low risk and high profit.

A start-stop or idle-stop method for a heavy-duty hybrid vehicle that turns off the fuel supply while maintaining the crankshaft rotation of the internal combustion engine when the vehicle stops or, optionally, when the vehicle travels downhill, travels in a noise sensitive location, travels in an exhaust emissions sensitive location, or operates in an emergency situation. The stop-start or idle-stop method automatically turns on the engine fuel supply to restart combustion when the vehicle starts accelerating, is no longer traveling downhill, is no longer traveling in a noise sensitive or exhaust sensitive location, is no longer in an emergency situation, or has dropped below the minimum energy storage restart level.

The invention discloses a multiple online control method and system. The method comprises the steps that the set temperature and the indoor environment temperature of each indoor unit are obtained, and the temperature difference is calculated; the comprehensive temperature difference is calculated; a refrigeration modification value ETS / a heating modification value CTS is calculated according to the comprehensive temperature difference; and the evaporation temperature / condensation temperature is modified, and the frequency of each compressor is adjusted. According to the multiple online control method, the frequency of each compressor is adjusted according to the modified evaporation temperature / refrigeration temperature, energy is saved, and meanwhile the refrigerating / heating effect of each indoor unit can be guaranteed. When the requirement for each indoor unit is low, the frequency of the corresponding compressor is reduced, the corresponding compressor runs at the low frequency and is kept running with the low output in a low energy consumption manner, the corresponding compressor is protected against start stop, and accordingly power rise caused by start stop of the corresponding compressor is avoided. Meanwhile, the indoor units continuously run, so that the indoor temperature is maintained near the set temperature, the constant indoor temperature is achieved, a good refrigerating / heating effect is guaranteed, and the comfort degree is improved.

The invention relates to a frequency conversion control method for a heat pump water heater. The frequency conversion control method for the heat pump water heater is characterized by comprising the following steps of: performing frequency conversion control on a compressor of the heat pump water heater; performing frequency conversion control on a throttle mechanism of the heat pump water heater; performing frequency conversion control on a defrosting mechanism of the heat pump water heater; and performing frequency conversion control on an exhaust temperature of the heat pump water heater. The frequency conversion control method for the heat pump water heater has the advantages of high heating speed, few start-stop times, small temperature fluctuation of a water tank and energy conservation. At a high ambient temperature, the frequency of the compressor can be reduced and the circulating flow quantity of a system can be reduced, so that the suction pressure is reduced and the stable operation of the compressor is guaranteed. At a low ambient temperature, the circulating flow quantity of the system is increased by increasing the frequency of the compressor and the opening degree of an electronic expansion valve, the exhaust temperature is reduced and the compression ratio is reduced, so that the compressor can operate stably. In the defrosting process, the defrosting time is greatly shortened by increasing the circulating flow quantity of the system; and the frost can be removed completely, without the problem that the frost is accumulated into ice.

An air powered storage device is provided that is operative to temporarily store pneumatic carriers within a pneumatic carrier system. Generally, the device includes a pneumatic tube that is sized to permit the passage of pneumatic carriers. A gate member is selectively positionable into and out of an internal bore of the pneumatic tube to impede movement of pneumatic carriers there through. The device further includes a blower having a first fluid inlet disposed on a first side of the gate member and a fluid outlet disposed on a second side of the gate member. The fluid inlet and outlet are fluidly interconnected to the internal bore of the pneumatic tube such that the blower is selectively operable to generate a fluid flow through the internal bore between the fluid outlet and the fluid inlet. Such fluid flow may be utilized to reinitiate movement of a stopped carrier.

The invention discloses an anti-condensation refrigerator. The anti-condensation refrigerator comprises a heating device which is arranged on a sealing beam and / or a separation beam to heat the sealing beam and / or the separation beam, a temperature sensor which is arranged on the sealing beam and / or the separation beam to detect the temperature of the sealing beam and / or the separation beam, and a control system which comprises a controller and a contactless switch device, wherein the controller controls the start-stop of the heating device through the contactless switch device under the monitoring of the temperature sensor to ensure that the temperature of the sealing beam and / or the separation beam is always higher than first set temperature. The heating device is controlled by the contactless switch device, so control rate is higher, temperature fluctuation is small, and energy consumption is reduced. The invention also discloses an anti-condensation control method.