30results about How to "Fast response to speed regulation" patented technology

The invention relates to the technical field of unmanned aerial vehicles, and provides a petrol-electric hybrid vertical take-off and landing sweepforward fixed wing unmanned aerial vehicle. A fuselage assembly comprises a handpiece front cabin, a front fuselage and a rear fuselage which are sequentially connected from front to back, and at least one electric ducted fan engine is internally arranged in the handpiece front cabin; energy assembly and a load cabin are internally arranged in the rear fuselage, a propelling propeller assembly is arranged at the tail of the rear fuselage, and the propelling propeller assembly is used for proving front thrust to overcome aerodynamic resistance of the unmanned aerial vehicle during flying; and wing assemblies are installed on the two sides of therear fuselage in a sweepforward mode; an empennage assembly is installed on the tail segment of the rear fuselage; vertical lift force devices are of an electric fan mode, and the two vertical lift force devices are symmetrically installed on the left side and the right side of the middle fuselage. The petrol-electric hybrid vertical take-off and landing sweepforward fixed wing unmanned aerial vehicle has the characteristics of vertical take-off and landing and remote navigation, large lift force vertical take-off and efficient horizontal flight integration, vertical lift force system and fixed wing layout integrated design and rotary wing vertical lift force and fixed wing lift force integrated control are realized.

The invention discloses an auxiliary power unit (APU) controlling method for a gas-electric hybrid system. In a series-connection high-speed generation mode and in a rotating speed tracking mode of a vehicle, an integrated starter generator (ISG) is controlled by rotating speed, and an engine is controlled by a throttle; in the series-connection high-speed generation mode, the target rotating speed of the ISG is the rotating speed for generation, and the throttle valve of the engine is preset; in the rotating speed tracking mode, the target rotating speed of the ISG is the current rotating speed of a main motor, and the throttle valve of the engine is zero. According to the APU controlling method for the gas-electric hybrid system, in the series-connection high-speed generation mode and in the rotating speed tracking mode, the ISG is controlled by rotating speed, speed adjusting response is quick especially during climbing, the hybrid system can quickly switch into the series-connection mode, then the engine and the main motor provide power at the same time, and the dynamic property of the vehicle is excellent; and during high-speed generation at the preset rotating speed, the ISG is controlled by rotating speed, and the engine is controlled by the preset throttle, so that up-down fluctuation of the rotating speed of the engine can be reduced, and generation efficiency is improved.

The invention provides a flywheel-free diesel engine generator/motor system control method and belongs to the field of machines. According to the flywheel-free diesel engine generator/motor system control method, an energy storage function of a diesel engine flywheel is replaced with a generator/motor four-quadrant working mode, peak load shifting is performed on the output torque of a diesel engine, uniform fluctuation torque is achieved, and uniform output of the rotating speed of a crankshaft is represented. Meanwhile the rotational inertia of the crankshaft can be lowered greatly, the adjusting response of the rotating speed of the diesel engine is accelerated, and therefore the speed adjusting performance of the diesel engine is improved.

The invention relates to a permanent magnet governor with a fixed magnetic gap, comprising a rotor disk connected to an input shaft, a magnetic rotor disk arranged on the opposite side of the rotor disk and connected to an output shaft, and an armature stator arranged on the back of the rotor disk; The disc includes winding coils B, permanent magnets A and an iron core between them respectively arranged on the inner and outer sides of its outer circumference, the magnetic rotor disc is provided with permanent magnets B on the inner side of its outer circumference, and the armature stator includes a fixed seat And the winding coil A distributed along the inner side of the circumferential surface of the fixing seat; the control system for electric energy conversion is connected between the winding coil B and the winding coil A; a slip ring is installed on the rotor disc. The present invention adopts the slip energy rectification feedback technology, realizes fast boosting or braking through the winding coil A, so that the speed regulation response of the fixed magnetic gap governor is fast, flexible and stable, and through the slip energy rectification feedback boosting effect, Thus, the speed regulation efficiency is maximized.

The invention provides a cage type asynchronous motor speed regulating system based on magnetorheological fluid. The cage type asynchronous motor speed regulating system comprises a cage type winding and a flow regulating control circuit. The cage type winding is composed of the magnetorheological fluid, an insulating tube, a magnet exciting coil and an end ring. The flow regulating control circuit is composed of a wire, a collecting ring, an electric brush and a constant flow source circuit capable of outputting adjustable currents. When a cage type asynchronous motor works, the magnet exciting coil on the cage type winding can generate corresponding strong or weak magnetic fields by changing the size of the current output by the constant flow source circuit, the resistance of the magnetorheological fluid is changed under the effect of the magnetic fields, induced current passing the cage type rotor winding changes along with the change of the resistance, so that the rotation speed of the a cage type rotor is changed, and finally the output rotation speed of the cage type asynchronous motor is changed. The cage type asynchronous motor speed regulating system is designed by utilizing the characteristic that the resistance of the magnetorheological fluid changes under the magnetic field environment and has the advantages of being wide in speed regulating range, quick in speed regulating response, capable of achieving stepless speed regulation and the like.

The invention relates to a magnetic-gap-fixed permanent magnet speed regulator comprising a magnet rotor disc which is connected with an input shaft and an armature rotor disc A and an armature rotordisc B which are arranged on the two side surfaces of the magnet rotor disc and connected with an output shaft. The magnet rotor disc comprises permanent magnets B and permanent magnets A which are arranged on the internal and external side surfaces of the external circumference of the magnet rotor disc. The armature rotor disc B is provided with winding coils B which are arranged to be corresponding to the permanent magnets B on the internal side surface. The armature rotor disc A is provided with winding coils A which are arranged to be corresponding to the permanent magnets A on the internal side surface. The winding coils B and the winding coils A are connected in series in a homo-polar way, and a control system used for current regulation is connected in series between the two windingcoils. The armature windings are used so that the rotor heat loss can be greatly reduced, rapid, flexible and stable speed regulation response of the speed regulator can be realized by using the principle of current control and thus the transmission efficiency of the permanent magnet speed regulator having the structure can be greatly enhanced and the range of application is wider.

The invention relates to a permanent magnet speed regulator with a fixed magnetic gap. The permanent magnet speed regulator comprises an inner rotor disc connected with an input shaft, and an armaturerotor disc and a magnetic rotor disc arranged on the two side surfaces of the inner rotor disc and connected with an output shaft; the inner rotor disc comprises a winding coil B and a permanent magnet A arranged on the inner and outer side surfaces of the outer circumference thereof; a winding coil A is arranged on the inner side surface of the armature rotor disc; a permanent magnet B is arranged on the inner side surface of the magnetic rotor disc; the winding coil B and the winding coil A are connected in series at the same polarity, and a control system used for current regulation is connected in series between the two winding coils; and slip rings are mounted on the inner rotor disc and the armature rotor disc respectively. By adoption of the armature winding, rotor heating loss canbe greatly lowered; and by adopting a current control principle, quick response, flexibility and stability of the speed regulator can be realized, thereby greatly improving the transfer efficiency ofthe permanent magnet speed regulator with the structure and achieving a wider application range.

The invention relates to a magnetic-gap-fixed permanent magnet speed regulator comprising a rotor which is connected with an input shaft and a magnet rotor and an armature rotor which are connected with an output shaft and respectively arranged on the internal side and the external side of the circumference of the rotor. The rotor comprises winding coils A which are circumferentially distributed along the internal circumferential surface of the rotor and permanent magnets B which are circumferentially distributed along the external circumferential surface of the rotor. The magnet rotor comprises permanent magnets A which are circumferentially distributed along the external circumferential surface of the magnet rotor. The armature rotor comprises winding coils B which are circumferentiallydistributed along the internal circumferential surface of the armature rotor. The winding coils B and the winding coils A are connected in series in a homo-polar way, and a control system used for current regulation is connected in series between the two winding coils. A slip ring is installed on the rotor and the armature rotor. The armature windings are used so that the rotor heat loss can be greatly reduced, rapid, flexible and stable speed regulation response of the speed regulator can be realized by using the principle of current control and thus the transmission efficiency of the permanent magnet speed regulator having the structure can be greatly enhanced and the range of application is wider.

The invention discloses a novel electro-hydraulic hybrid drive crawler-type chassis, relates to the field of crawler-type chassis, and aims to solve the problems that in the prior art, the speed regulation range is small, the response is slow, the energy loss is large, and the service life of a hydraulic system is shortened. The advantages of fast speed regulation response and sufficient power are taken into consideration, stable walking under complex road conditions is achieved, energy conservation and emission reduction are achieved, electric energy of an electric drive system is provided by a generator, compared with traditional single electric drive, long-time charging is not needed, long-distance work can be achieved, the system pressure of a hydraulic system during work is reduced through power distribution design, and the service life of the hydraulic system is prolonged. The service life of the hydraulic system is greatly prolonged, the hydraulic system adopts a variable pump and closed loop integrated cooling system, overflow loss and throttling loss are reduced, the utilization rate of energy is increased, and the purposes of environmental protection and energy conservation are achieved.

The invention relates to a permanent magnet speed regulator with a fixed magnetic gap. The permanent magnet speed regulator comprises a magnetic rotor disc connected with an input shaft, an armature rotor disc arranged on the opposite surface of the magnetic rotor disc and connected with an output shaft, and an armature stator arranged on the back surface of the magnetic rotor disc; the magnetic rotor disc comprises a permanent magnet B and a permanent magnet A arranged on the inner and outer side surfaces of the outer circumference thereof respectively; a winding coil B is arranged on the inner side surface of the outer circumference of the armature rotor disc; the armature stator comprises a fixed base and a winding coil A distributed in the inner side circumferential direction of the circumference of the fixed base; a control system is arranged between the winding coil B and the winding coil A; and a slip ring is mounted on the armature rotor disc. By adoption of a slip frequency energy rectifying and feedback technology, quick boosting or braking can be realized through the winding coil A, so that the permanent magnet speed regulator with the fixed magnetic gap is quick in response, flexible and stable; and by virtue of the slip frequency energy rectifying and feedback boosting effect, maximum of the speed regulating efficiency is realized consequently.

The invention relates to a magnetic-gap-fixed permanent magnet speed regulator comprising a magnet rotor which is connected with an input shaft and an armature rotor A and an armature rotor B which are connected with an output shaft and respectively arranged on the internal side and the external side of the circumference of the magnet rotor. Permanent magnets A and permanent magnets B are circumferentially distributed along the internal and external circumferential surfaces of the magnet rotor. The armature rotor A comprises winding coils A which are circumferentially distributed along the external circumferential surface of the armature rotor A. The armature rotor B comprises winding coils B which are circumferentially distributed along the internal circumferential surface of the armaturerotor B. The winding coils B and the winding coils A are connected in series in a homo-polar way, and a control system used for current regulation is connected in series between the two winding coils. The armature windings are used so that the rotor heat loss can be greatly reduced, rapid, flexible and stable speed regulation response of the speed regulator can be realized by using the principleof current control and thus the transmission efficiency of the permanent magnet speed regulator having the structure can be greatly enhanced and the range of application is wider.

The invention relates to a magnetic-gap-fixed permanent magnet speed regulator comprising an external rotor which is connected with an input shaft, an external armature stator which is arranged on theexternal side of the circumference of the external rotor and an internal magnet rotor which is connected with an output shaft and arranged on the internal side of the circumference of the external rotor. The external rotor comprises an iron core, winding coils B which are circumferentially distributed along the internal circumferential surface of the iron core and permanent magnets A which are circumferentially distributed along the external circumferential surface of the iron core. Permanent magnets B are circumferentially distributed along the external circumferential surface of the internal magnet rotor. The external armature stator comprises a fixing base which is arranged on the external side of the circumference of the external rotor and winding coils A which are circumferentially distributed along the internal circumferential surface of the fixing base. A control system used for electric energy conversion is connected between the winding coils B and the winding coils A. A slipring is installed on the external rotor. The slip energy rectification feedback technology is used, and rapid boosting or braking can be realized through the winding coils A so that the speed regulation response of the magnetic-gap-fixed speed regulator is enabled to be rapid, flexible and stable and maximization of the speed regulation efficiency can be realized through the effect of slip energyrectification feedback boosting.

The invention relates to a permanent magnet governor with fixed magnetic gap, which comprises an armature rotor connected with an input shaft, a magnetic stator located at the end of the armature rotor and arranged in parallel with the armature rotor, and a magnetic stator connected with the output shaft located and the inner rotor inside the circumference of the magnetic stator; the armature rotor includes an iron core and winding coils B distributed circumferentially along the inner circumferential surface of the iron core; Magnet A; the inner rotor has a permanent magnet B and a winding coil A arranged side by side along its outer circumference; a control system for electric energy conversion is connected between the winding coil B and the winding coil A; slip rings are installed on both the armature rotor and the inner rotor . The present invention adopts the slip energy rectification feedback technology, realizes rapid boosting or braking through the winding coil A, so that the speed regulation response of the fixed magnetic gap governor is fast, flexible and stable, and the boosting effect is achieved through the slip energy rectification feedback , so as to maximize the speed regulation efficiency.

The invention relates to a permanent magnet governor with a fixed magnetic gap, comprising an armature rotor disk connected to an input shaft, a magnetic rotor disk A and a magnetic rotor disk B arranged on both sides of the armature rotor disk and connected to an output shaft; The armature rotor disk includes a winding coil B and a winding coil A respectively arranged on the inner and outer sides of its outer circumference and an iron core arranged between the winding coil B and the winding coil A. The magnetic rotor disk B is provided with a permanent magnet on its inner surface. The magnet B and the magnetic rotor disk A are provided with a permanent magnet A on the inner surface; the winding coil B is connected in series with the winding coil A with the same polarity, and a control system for current regulation is connected in series between the two winding coils. The present invention can greatly reduce the heat loss of the rotor due to the use of the armature winding, and by adopting the current control principle, it can realize the fast, flexible and stable speed response of the governor, so that the transmission efficiency of the permanent magnet governor with this structure can be improved. Greatly improved, the scope of application is wider.