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

The invention discloses a combined-type flux switching permanent magnet motor which comprises an inner rotor, a stator and an outer rotor,wherein the stator surrounds the inner rotor; the outer rotor surrounds the stator; air clearances are arranged between the two rotors and the stator; salient pole gears without windings are arranged at one sides, which are towards the stator, of the inner rotor and the outer rotor; salient pole gears are arranged on the inner side and outer side of the stator; an inner side winding and an outer side winding which are sleeved on the salient pole gears are respectively arranged on the inner side and the outer side of the stator; an insulation magnetic ring is embedded on the yoke part of the stator; the salient pole gears at the inner side and outer side of the stator are internally provided with excitation devices; the magnetizing directions of the excitation devices are the circumferential tangency direction of the stator, and are at the same side of the stator; and the magnetizing directions of the excitation devices in the two adjacent salient pole gears are opposite.

The invention relates to a non-clutch AMT (Automatic Manual Transmission) control system. The non-clutch AMT control system comprises an MCU (Microprogrammed Control Unit) and a TCU (Transmission Control Unit) which are interconnected. Compared with the prior art, the non-clutch AMT control system has the beneficial effects that after the system enters a shifting process, the TCU can take over the control right of a driving motor, so that the technical effects of optimizing the shifting quality, reducing the shifting time and improving the shifting stability can be achieved. The invention also relates to a non-clutch AMT control method. The non-clutch AMT control method comprises a speed regulating stage; the motor in the shifting process of the method is in a torque mode; the speed regulating stage comprises a motor synchronous speed regulating stage and a mechanical synchronous speed regulating stage. Compared with the prior art, the non-clutch AMT control method has the beneficial effects that the shifting process is divided into six stages through the control method, namely, an unloading stage, an idling stage, an electronic synchronizing stage, a mechanical synchronizing stage, a gear engaging stage and a loading stage, and thus the technical effects of greatly reducing the overall shifting time, reducing the impact in gear engaging, and prolonging the service lives of mechanical parts such as a synchronizer can be achieved.

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 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 discloses a stepless speed controlling method and a stepless speed controller. According to the method, a medium serves as a high-frequency transmission switch, conversion between the output revolving speed and the torque is achieved through a mechanical energy storage mechanism, the medium is subjected to solid and liquid transformation under the effect of voltage or a magnetic field, the mechanical energy storage mechanism is composed of a heavy energy storage flywheel and a light transmission disk, the medium is located between the energy storage flywheel and the transmission disk, when the voltage or the magnetic field is applied, the medium is solidified, the energy storage flywheel and the transmission disk are connected into a whole, when the voltage or the magnetic field disappears, the medium is liquefied, no mechanical connection exists between the energy storage flywheel and the transmission disk, the energy storage flywheel and the transmission disk rotate freely and separately, and the output revolving speed and the torque are controlled through controlling of the ratio of the solid state time of the medium to the liquid state time of the medium. The stepless speed controller which implements the method has the advantages of being wide in speed regulating time, fast in reaction, simple in structure, stable in output power and the like.

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 discloses a serial-to-parallel control method of an electrical-electric connecting type hybrid power system. The method is that when a vehicle meets the condition of entering parallel connection and an engine is failed to be started, ISG (Integrated Starter Generator) is subjected to rotating speed control, namely, the target rotating speed is the rotating speed of a main motor; the engine supplies air when reaching the set rotating speed n1, and is ignited when reaching the set rotating speed n2; when starting successfully, the ISG remains the rotating speed control; on the basis of the rotating speed of the main motor, the engine control is replaced by accelerator control, and a proper accelerator value is provided; when the rotating speed difference between the engine and the main motor is less than the set rotating speed difference value, a clutch is connected, and the vehicle enters the parallel connection mode. The method has the outstanding characteristics that the ISG is subjected to rotating speed control under a serial-to-parallel mode; the engine is subjected to accelerator control and the proper accelerator value is provided on the basis of the rotating speed of the main motor, so that the speed regulating can be responded fast; in addition, the response of the engine in the parallel connection mode is faster than that of the mode that the engine control is performed and the accelerator value is 0 during speed adjustment; the hybrid power system is free of power cut-off after the clutch is connected.

The present invention relates to the technical field of unmanned aerial vehicles, and relates to an oil-electric hybrid vertical take-off and landing forward-swept fixed-wing unmanned aerial vehicle. At least one electric ducted fan engine is built in the front compartment of the nose; the rear fuselage has a built-in energy component and a load compartment, and the rear fuselage tail is provided with a propulsion propeller assembly, which is used to provide forward thrust to overcome the UAV when it is flying. The aerodynamic resistance; the wing assembly is installed on both sides of the rear fuselage in the form of forward swept wing; the empennage assembly is installed on the tail section of the rear fuselage; the vertical lift device assembly is an electric fan type, and the two vertical lift device assemblies are installed symmetrically On the left and right sides of the middle section of the rear fuselage; the UAV has many characteristics such as vertical take-off and landing, long-distance navigation, etc., realizes the integration of high-lift vertical take-off and landing and efficient horizontal flight, the integrated design of vertical lift system and fixed-wing layout, And the integrated control of rotor vertical lift and fixed wing lift.