CN101857022A - Power control method and system - Google Patents
Power control method and system Download PDFInfo
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- CN101857022A CN101857022A CN201010003137A CN201010003137A CN101857022A CN 101857022 A CN101857022 A CN 101857022A CN 201010003137 A CN201010003137 A CN 201010003137A CN 201010003137 A CN201010003137 A CN 201010003137A CN 101857022 A CN101857022 A CN 101857022A
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Abstract
The invention relates to power control method and system. The signal processing part of a control circuit of the control system is connected with a rotating speed signal of an engine on a vehicle, and the vehicle speeds or the rotating speed waveform of the engine which is about to start or is starting, accelerating or climbing and doing other large-load works are acquired through analysis and calculation by a new algorithm and recorded by a singlechip. In the use process, the real-time signal of the vehicle is calculated and analyzed by software in the singlechip, and equipment consuming the power of the engine is intervened when such waveform change occurs; the control system are connected with elements and components to control the equipment consuming the power of the engine in following way that under the condition of not influencing the normal use of the vehicle equipment, work of the equipment consuming the power of the engine is stopped or reduced to reduce the load of the engine when the engine is in the conditions of starting, accelerating, climbing and the like. The control system is used for lightening the engine load as required, saving energy and reducing emission without influencing the normal use of vehicle.
Description
Affiliated technical field
The present invention relates to a kind of method and system of power control, especially a kind of method and system of the power control that the self-propelled vehicle takeoff output is controlled.
Background technology
Driving engine is under operating modes such as starting, acceleration, and load is big, has patented technology 2005100327989 to change at the vacuum pressure that utilizes engine intake manifold etc. to locate, and stops air-conditioning compressor work at this moment, alleviates engine load.But this system response lags behind, actual energy-saving effect is poor, the variation of degree of vacuum causes system's work of not stopping work in the engine operation process, influence the refrigeration (particularly hot day) and the life-span of vehicle air conditioner, in the reality, these details can cause system to promote the use of, comprise installation question, as passenger vehicle, bus, for the security client system that often is unwilling is installed in the engine bin, these all influence the practicality of system greatly.Also have in addition, the load that the control air-conditioning compressor reduces for a lot of cars is insufficient.
Summary of the invention
For the engine power supplementary controlled system of real practicality is provided, the invention provides control method and system.
The technical solution adopted for the present invention to solve the technical problems is: device is provided when the invention provides method, the total thinking of the present invention is that this control system adopts the control of electronic component for the equipment of consumption of engine takeoff output such as electrical generator, air-conditioning compressor, high-voltage energy-storage equipment etc., formerly judging does not influence under the normal condition of service of equipment vehicle, under operating modes such as driving engine starting, acceleration, climbing, stop or reducing the work of these equipment, reduce engine load.
When this control system is worked at the control air-conditioning compressor, this control system connects air-conditioning compressor power-transfer clutch or air-condition circuits, this control system decides native system in certain time period to stop the work of air-conditioning compressor according to time, outdoor temperature, perhaps decision stops the length of air-conditioning compressor time at every turn, perhaps determine interior native system of certain time period to stop the work of air-conditioning compressor simultaneously, control stops the length of air-conditioning compressor time at every turn when stopping.And native system has the switch shelves can allow the driver set will be thought of as the master with air conditioner refrigerating, and the dynamic property that still will look after vehicle start, acceleration, climbing etc. is main.
When this control system is worked at the control electrical generator, this control system line electrical generator or regulating control, this control system decides the work that native system is stopped paying out motor in certain time period according to the break-make of time, automotive battery liquid temp, vehicle current consumer such as car headlight, perhaps the length of motor time is stopped paying out in decision at every turn, perhaps determine the work that native system is stopped paying out motor in certain time period simultaneously, the length of motor time is stopped paying out in control at every turn when stopping.
When this control system is worked at the control high pressure accumulator,, when pressure medium is higher than certain safety value in the high-voltage energy storage device, just control working by Sensor section.
The invention has the beneficial effects as follows: this control system promptly alleviates engine load when needed, and is energy-conservation, do not influence vehicle again and normally uses.
The specific embodiment
The invention provides method generator simultaneously, the signal processing of this control system control circuit connects the engine rotational speed signal (or ignition signal) on the car, if any the car tach signal damaged, vehicle speed signal be can use, vehicle speed signal, engine rotational speed signal (ignition signal) perhaps connected simultaneously.Signal processing is handled back input micro controller system with these signals, micro controller system stores these signals in advance, calculate by new algorithm, analysis draws driving engine and soon starts to walk, quicken, the speed of a motor vehicle or engine speed waveform during big load operation such as climbing, the program of micro controller system is noted, in the use, software calculates the real-time signal of vehicle in the micro controller system, analyze, when this wave form varies occurring, illustrate that driving engine soon starts to walk, quicken, big load operation such as climbing is just intervened the equipment that consumes engine power.Such algorithm waveform analysis is handled also can be only at the indivedual operating modes that start to walk, quicken, climb.For the climbing operating mode, can add that Slope Transducer or gradient switch assist, form new upward slope control sensor-based system jointly.
When laying particular stress on to some extent, native system judges that each tachometer value rests on idling speed or near zone after a bit of time, and rotating speed rises or descends, and then works;
Including driving engine in this control system control circuit is about to, carrying out the signal processing of big load operation signal, this control system connects equipment such as the electrical generator of electronic devices and components for the consumption of engine takeoff output, air-conditioning compressor, the control of high-voltage energy-storage equipment (as the high pressure gas compressor) etc., formerly judging does not influence under the normal condition of service of equipment vehicle, start to walk at driving engine, quicken, under the operating modes such as climbing, or under indivedual operating modes, stop or reducing the work of these equipment, also can reduce the work of some high-power electric appliances, reduce engine load.Also reduce the work of the current consumer of remote effect engine power on the car, as reducing the rotating speed rotating speed of motor of ventilation of passenger train system fan.Motor vehicle starting after a period of time this control system carry out work again, and make twice of front and back cut off these equipment works want between at regular intervals; Or only stop certain number of times in a period of time.
This control system is connected with temperature sensor.
This control system adds clock time control, can add the program of clock time control in the chip of this control system, or the adding clock chip or adds clock control circuit as DS1302 in this control system in this control system.
This control system connects high-power electric appliance switch on pressure sensor, the car, as the car Der StandlichtScheinwerfer und Parkleuchtenschalter.Also can use existing sensing switch on the car, this control system is connected to the sensing switch on the car, thereby strengthens control.
When this control system is worked at the control air-conditioning compressor, this control system connects air-conditioning compressor power-transfer clutch or air-condition circuits, this control system decides native system in certain time period to stop the work of air-conditioning compressor according to time, outdoor temperature, perhaps decision stops the length of air-conditioning compressor time at every turn, perhaps determine interior native system of certain time period to stop the work of air-conditioning compressor simultaneously, control stops the length of air-conditioning compressor time at every turn when stopping.And native system has the switch shelves can allow the driver set will be thought of as the master with air conditioner refrigerating, and the dynamic property that still will look after vehicle start, acceleration, climbing etc. is main.
When this control system is worked at the control electrical generator, this control system line electrical generator or dynamo governor, the break-make whether this control system works as the car Der StandlichtScheinwerfer und Parkleuchtenschalter according to battery tension or time, automotive battery liquid temp, vehicle high-power electric appliance decides the work that native system is stopped paying out motor in certain time period, perhaps the length of motor time is stopped paying out in decision at every turn, perhaps determine the work that native system is stopped paying out motor in certain time period simultaneously, the length of motor time is stopped paying out in control at every turn when stopping.
This control system is wired to high-voltage energy-storage equipment, as adopting the high pressure air system of air brake vehicle, increases mechanical devices and actr (as electromagnetic valve, electrical motor, electromagnet etc.) in case of necessity high-voltage energy-storage equipment is controlled.When control high-voltage energy-storage equipment is worked,, when pressure medium is higher than certain safety value in the high-voltage energy storage device, just high-voltage energy-storage equipment is worked and control by Sensor section.
Idling speed can preestablish, and also can obtain, and the method for obtaining is to adopt software to judge and obtain the tachometer value that settles out behind the engine starting.
This control system includes the signal processing that driving engine is about to, is carrying out big load operation signal, signal processing connects vehicle speed signal, accelerator pedal position sensor switch (or throttle position sensor), be zero generally when detecting the speed of a motor vehicle, Das Gaspedal is stepped on, illustrate that then chaufeur makes vehicle starting at step on the accelerator, then this control system can be controlled.Signal processing also can not connect accelerator pedal position sensor switch (or throttle position sensor), but sending and receiving engine speed signal (or ignition signal), engine speed improves a lot from the idling speed short time and learns driver's step on the accelerator, if any the car car speed sensor broken and can not connect vehicle speed signal.The signal processing of this control system also can be to connect brake switch, clutch sensor switch, hand brake switch, automobile storage battery is wired to control circuit through behind the key switch, increase accelerator pedal position sensor switch (or tach signal) during than accuracy control again, know the operating mode that automobile will be in by these signals.
Automobile storage battery is powered to control circuit through key switch (main supply switch) back line, after chaufeur is opened key switch, the control circuit energising, control circuit comprises the control of clock circuit (also can use chip microcontroller), control circuit carries out work again after a period of time, it is too high to avoid beginning compartment temperature, and the control of control circuit time also comprises: make twice of front and back cut off the such control of air-conditioning compressor want between at regular intervals, this is very important in practice.Or only stop certain number of times in a period of time.
Different vehicles has different situations, and this control system also can only be controlled the equipment of other consumption of engine takeoff output.
When this control system is worked at the control electrical generator, this control system line electrical generator or dynamo governor, native system connects the dynamo governor circuit, for the car that adopts new regulating control, directly produce new dynamo governor, dynamo governor just is preset with point of connection when producing can connect native system, and dynamo governor control circuit itself can be according to the voltage of native system line when producing, the generating of electric current generation outage machine, the native system control circuit connects the indicator light circuit that do not generate electricity by electrical part, cuts off the indicator light circuit that do not generate electricity during control simultaneously.Can adopt fairly simple control, the control two less important interval regular hours of front and back that the work of native system generation outage machine is such, or only stop certain number of times in a period of time.
When this control system is worked at the control cooling fan, native system connects the motor or the magnetic clutch of cooling fan, connect cooling-water temperature sensor and temperature sensor, do not influencing under the normal condition of service of equipment vehicle, under operating modes such as driving engine starting, acceleration, climbing, or under indivedual operating modes, stop or reducing the work of cooling fan.For engineering truck, the equipment of consumption of engine takeoff output also comprises miscellaneous equipment, and native system is under operating modes such as driving engine starting, acceleration, climbing, or under indivedual operating modes, the temporary transient takeoff output of suspension of engineering work car except driving is travelled stirs engineering truck as cement, temporarily stops cement and stirs.
During production, can be integrated in native system in the a/c system, form the a/c system of intelligence;
During production, native system is integrated in the power generating system, perhaps is integrated in the electrical generator, perhaps be integrated in the dynamo governor, form intelligent power generating system;
In like manner can be integrated in native system in other consumption of engine powered device system.
Owing to install,, adopt different the installation to connect according to different cars for the very big decisive action of having applied of product.
For relatively large commercial vehicle/comm..vehicles such as passenger vehicle, lorries, gauge panel is easy to dismounting by screw, bayonet socket, native system connects gauge panel engine rotational speed signal or vehicle speed signal in the operator's compartment, the tachogen on the car or the signal wire (SW) of car speed sensor are linked into the gauge panel back side by plug, signal wire (SW) herein or plug place connect the signal service conductor, and the signal service conductor inserts the native system control circuit.Connection for the air-conditioning compressor clutch control: many control lines are drawn by plug in the main frame of air-conditioner controller or the back of control panel, the A/C control line is wherein arranged, this line is controlled the adhesive or the disconnection of air-conditioning compressor magnetic clutch by control relay, thereby controls air-conditioning compressor work or idle running.The A/C control line is disconnected or disconnect, and the native system control circuit is inserted by electric wire in open circuited two ends at its plug place.
For passenger vehicle, city motor bus particularly, the frequent bus stop in the city, the time that red lights such as parking, starting-up process account for is a lot, so when the control side of native system on city motor bus focuses on starting, the equipment of control consumption of engine takeoff output.
For dolly, as car, minicar, MPV etc., all difficult dismounting such as its instrument carrier panel, air-conditioner host, native system is installed in outside the operator's compartment, at engine bin, find out the signal wire (SW) or the ignition signal line that connect engine speed sensor,, make native system can obtain signal by connecting electric wire to the native system control circuit, establish a switch at the operator platform place, native system connects switch, and it is comfortable that switch can select the control of native system will look after the air conditioner refrigerating temperature, still will look after the dynamic property of running car.
For dolly, also can connect vehicle speed signal and control, can break electric wire rubber in car speed sensor plug place or car speed sensor signal wire (SW) place under car, by connecting electric wire to the native system control circuit.
Claims (10)
1. the method and system of a power control, it is characterized in that: system is provided when the invention provides method, and control method of the present invention is: tachometer value rests on idling speed or near zone after a bit of time, and rotating speed rises or descends, and then works; Including driving engine in this control system control circuit is about to, carrying out the signal processing of big load operation signal, this control system connects components and parts to consuming the equipment such as the electrical generator of engine power output, air-conditioning compressor, the control of high-voltage energy-storage equipment etc., formerly judging does not influence under the normal condition of service of equipment vehicle, start to walk at driving engine, quicken, under the operating modes such as climbing, or under indivedual operating modes, stop or reducing the work of these equipment, reduce the work of some high-power electric appliances, thereby minimizing engine load, motor vehicle starting after a period of time this control system carry out work again, and make cut off these equipment works want between at regular intervals; Or only stop certain number of times in a period of time;
This control system is connected with temperature sensor;
This control system adds clock time control, can add the program of clock time control in the chip of this control system, or the adding clock chip or adds clock control circuit as DS1302 in this control system in this control system;
This control system connects high-power electric appliance switch on pressure sensor, the car, as the car Der StandlichtScheinwerfer und Parkleuchtenschalter;
When this control system is worked at the control air-conditioning compressor, this control system connects air-conditioning compressor power-transfer clutch or ac control circuit, this control system decides native system in certain time period to stop the work of air-conditioning compressor according to time, outdoor temperature, perhaps decision stops the length of air-conditioning compressor time at every turn, perhaps determine interior native system of certain time period to stop the work of air-conditioning compressor simultaneously, control stops the length of air-conditioning compressor time at every turn when stopping; And this control system has the switch shelves can allow the driver set will be thought of as the master with air conditioner refrigerating, and the dynamic property that still will look after vehicle start, acceleration, climbing etc. is main;
When this control system is worked at the control electrical generator, this control system line electrical generator or dynamo governor, the break-make whether this control system works as the car Der StandlichtScheinwerfer und Parkleuchtenschalter according to time, automotive battery liquid temp, vehicle high-power electric appliance according to battery tension or this control system decides the work that native system is stopped paying out motor in certain time period, perhaps the length of motor time is stopped paying out in decision at every turn, perhaps determine the work that native system is stopped paying out motor in certain time period simultaneously, the length of motor time is stopped paying out in control at every turn when stopping;
This control system is wired to high-voltage energy-storage equipment, when control high-voltage energy-storage equipment is worked, by Sensor section, when pressure medium is higher than certain safety value in the high-voltage energy storage device, just high-voltage energy-storage equipment is worked and controls.
2. the method and system of power control according to claim 1, it is characterized in that: control method is: the signal processing of this control system control circuit connects the engine rotational speed signal (or ignition signal) on the car, perhaps connect vehicle speed signal, perhaps connect vehicle speed signal simultaneously, engine rotational speed signal (ignition signal), signal processing is handled back input micro controller system with signal, micro controller system stores these signals in advance, calculate by new algorithm, analysis draws driving engine and soon starts to walk, quicken, the speed of a motor vehicle or engine speed waveform during big load operation such as climbing, the program of micro controller system is noted, in the use, software calculates the real-time signal of vehicle in the micro controller system, analyze, when this wave form varies occurring, illustrate that driving engine soon starts to walk, quicken, big load operation such as climbing, just the equipment that consumes engine power is intervened, such algorithm waveform analysis is handled also can be only at starting, quicken, indivedual operating modes of climbing; For the climbing operating mode, can add that Slope Transducer or gradient switch assist, form new upward slope control sensor-based system jointly.
3. the method and system of power control according to claim 1 is characterized in that: the method for obtaining of idling speed is to adopt software to judge and obtain the tachometer value that settles out behind the engine starting.
4. the method and system of power control according to claim 1, it is characterized in that: the signal processing of this control system connects vehicle speed signal, accelerator pedal position sensor switch (or throttle position sensor), and automobile storage battery is wired to this control circuit through behind the key switch; Be zero when detecting the speed of a motor vehicle generally, Das Gaspedal is stepped on, illustrates that then chaufeur makes vehicle starting at step on the accelerator, and then this control system can be controlled; Signal processing also can not connect accelerator pedal position sensor switch (or throttle position sensor), but sending and receiving engine speed signal (or ignition signal), engine speed improves a lot from the idling speed short time and learns driver's step on the accelerator, if any the car car speed sensor broken and can not connect vehicle speed signal.
5. the method and system of power control according to claim 1, it is characterized in that: the signal processing of this control system connects brake switch, clutch sensor switch, hand brake switch, automobile storage battery is wired to this control circuit through behind the key switch, knows the operating mode that automobile will be in by these signals.
6. the method and system of power control according to claim 1 is characterized in that: this control system connects components and parts to be controlled the equipment that consumes engine power output, and different cars have difference, can a control part equipment;
When this control system is worked at the control cooling fan, native system connects the motor or the magnetic clutch of cooling fan, connect cooling-water temperature sensor and temperature sensor, do not influencing under the normal condition of service of equipment vehicle, under operating modes such as driving engine starting, acceleration, climbing, or under indivedual operating modes, stop or reducing the work of cooling fan;
For engineering truck, the equipment of consumption of engine takeoff output also comprises miscellaneous equipment, and native system is under operating modes such as driving engine starting, acceleration, climbing, or under indivedual operating modes, the temporary transient takeoff output of suspension of engineering work car except driving is travelled stirs engineering truck as cement, temporarily stops cement and stirs;
When this control system is worked at the control electrical generator, this control system line electrical generator or dynamo governor, native system connects the dynamo governor circuit, and the native system control circuit connects the indicator light circuit that do not generate electricity by electrical part, cuts off the indicator light circuit that do not generate electricity during control simultaneously; For the car that adopts new regulating control, directly produce new dynamo governor, dynamo governor just is preset with point of connection when producing can connect native system, and dynamo governor control circuit itself can be according to voltage, the generating of electric current generation outage machine of native system line when producing.Can be according to the time of the each generation outage machine of seasonal variation work.
7. the method and system of power control according to claim 1 is characterized in that: this control system is only controlled the equipment of other consumption of engine takeoff output;
This control system connects components and parts to be controlled the equipment that consumes engine power output, and different cars have difference, can a control part equipment;
As high-voltage energy-storage equipment is controlled, including driving engine in this control system control circuit is about to, carrying out big load operation Signal Processing part, this control system connects components and parts the equipment high-voltage energy-storage equipment that consumes engine power output is controlled, formerly judging does not influence under the normal condition of service of equipment vehicle, start to walk at driving engine, quicken, under the operating modes such as climbing, or under indivedual operating modes, stop or reducing the work of equipment, thereby minimizing engine load, motor vehicle starting after a period of time this control system carry out work again, and make twice of front and back cut off these equipment works want between at regular intervals;
This control system is wired to high-voltage energy-storage equipment, when control high-voltage energy-storage equipment is worked, by Sensor section, when pressure medium is higher than certain safety value in the high-voltage energy storage device, just high-voltage energy-storage equipment is worked and controls;
As current consumer on the car is controlled, including driving engine in this control system control circuit is about to, carrying out big load operation Signal Processing part, this control system connects the current consumer that components and parts connect remote effect engine power on the car, formerly judging does not influence under the normal condition of service of equipment vehicle, start to walk at driving engine, quicken, under the operating modes such as climbing, reduce the work of the current consumer of remote effect engine power on the car, as reduce the rotating speed of ventilation of passenger train system fan, thereby minimizing engine load, motor vehicle starting after a period of time this control system carry out work again, and make twice of front and back cut off these equipment works want between at regular intervals;
This control system is connected with temperature sensor;
This control system adds clock time control, can add the program of clock time control in the chip of this control system, or the adding clock chip or adds clock control circuit as DS1302 in this control system in this control system;
This control system connects high-power electric appliance switch on pressure sensor, the car, as the car Der StandlichtScheinwerfer und Parkleuchtenschalter;
During production, can be integrated in native system in the a/c system, form the a/c system of intelligence;
During production, native system is integrated in the power generating system, perhaps is integrated in the electrical generator, perhaps be integrated in the dynamo governor, form intelligent power generating system;
In like manner can be integrated in native system in other consumption of engine powered device system.
8. the method and system of power control according to claim 1, it is characterized in that: for relatively large commercial vehicle/comm..vehicles such as passenger vehicle, lorries, native system connects gauge panel engine rotational speed signal or vehicle speed signal in the operator's compartment, the tachogen on the car or the signal wire (SW) of car speed sensor are linked into the gauge panel back side by plug, signal wire (SW) herein or plug place connect the signal service conductor, and the signal service conductor inserts the native system control circuit; Connection for the air-conditioning compressor clutch control: many control lines are drawn by plug in the main frame of air-conditioner controller or the back of control panel, the A/C control line is wherein arranged, the A/C control line is disconnected or disconnect, and the native system control circuit is inserted by electric wire in open circuited two ends at its plug place;
During to the control of the equipment air-conditioning compressor that consumes engine power output, including driving engine in this control system control circuit is about to, carrying out the signal processing of big load operation signal, this control system connects the control of components and parts to the equipment air-conditioning compressor of consumption engine power output, formerly judging does not influence under the normal condition of service of equipment vehicle, start to walk at driving engine, quicken, under the operating modes such as climbing, or under indivedual operating modes, stop or reducing the work of these equipment, thereby minimizing engine load, motor vehicle starting after a period of time this control system carry out work again, and make twice of front and back cut off these equipment works want between at regular intervals; Or only stop certain number of times in a period of time;
This control system is connected with temperature sensor or temperature switch;
This control system adds clock time control, can add the program of clock time control in the chip of this control system, or the adding clock chip or adds clock control circuit as DS1302 in this control system in this control system;
When this control system is worked at the control air-conditioning compressor, this control system connects air-conditioning compressor power-transfer clutch or ac control circuit, this control system decides native system in certain time period to stop the work of air-conditioning compressor according to time, temperature, perhaps decision stops the length of air-conditioning compressor time at every turn, perhaps determine interior native system of certain time period to stop the work of air-conditioning compressor simultaneously, control stops the length of air-conditioning compressor time at every turn when stopping; And this control system has the switch shelves can allow the driver set will be thought of as the master with air conditioner refrigerating, and the dynamic property that still will look after vehicle start, acceleration, climbing etc. is main;
The control of time of this control system also comprises makes twice control in front and back consumption of engine powered device, closes air-conditioning compressor twice as front and back, between at regular intervals;
This control system also can adopt the control of simplification, only come aux. controls according to temperature sensor or temperature switch, the high more then native system of temperature stops the air-conditioning compressor time at every turn and contracts shortly more outside the compartment, for another example in the compartment or the too high control that then stops air-conditioning compressor work of temperature outside the compartment;
This control system also can adopt the control of simplification, only according to the time aux. controls, when native system time calendar is when going to hot day in 1 year such as summer, then native system shortens and to stop the air-conditioning compressor time at every turn, stops control to air-conditioning compressor work according to certain time in season and one day for another example.
9. the method and system of power control according to claim 1, it is characterized in that: for city vehicle, city motor bus particularly, the frequent bus stop in the city, red lights such as parking, the time that starting-up process accounts for is a lot, so the control side of native system focuses on when starting to walk the equipment of control consumption of engine takeoff output.
10. the method and system of power control according to claim 1, it is characterized in that: for dolly, native system is installed in outside the operator's compartment, at engine bin, find out the signal wire (SW) or the ignition signal line that connect engine speed sensor, by connecting electric wire to the native system control circuit, establish a switch at the operator platform place, native system connects switch, and it is comfortable that switch can select the control of native system will look after the air conditioner refrigerating temperature, still will look after the dynamic property of running car; Also can connect vehicle speed signal and control, can break electric wire rubber in car speed sensor plug place or car speed sensor signal wire (SW) place under car, by connecting electric wire to the native system control circuit.
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| CN201010003137A CN101857022A (en) | 2009-04-13 | 2010-01-06 | Power control method and system |
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| CN200910134200 | 2009-04-13 | ||
| CN200910134200.5 | 2009-04-13 | ||
| CN200910142068 | 2009-05-24 | ||
| CN200910142068.2 | 2009-05-24 | ||
| CN201010003137A CN101857022A (en) | 2009-04-13 | 2010-01-06 | Power control method and system |
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| CN108368895A (en) * | 2015-12-17 | 2018-08-03 | 舍弗勒技术股份两合公司 | Method for operating a friction clutch device and friction clutch device |
| CN108583553A (en) * | 2018-05-06 | 2018-09-28 | 袁菊花 | The brake apparatus of vehicle |
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