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WO/2018/082579A1 |
The invention discloses a method, a device and a system for heating a motor. The method comprises: acquiring a first temperature measured value of the motor (S10); determining whether the first temperature measured value falls within a p...
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WO/2018/084190A1 |
[Problem] To provide an electric power steering apparatus capable of easily achieving a steering torque equivalent to vehicle information, such as a steering angle, without being affected by the condition of the road surface and the chan...
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WO/2018/083744A1 |
A method for controlling a motor provided with a plurality of windings each having a phase, the method comprising: an estimation step for estimating the maximum temperature of the winding that reaches the highest temperature among the pl...
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WO/2018/082524A1 |
An overcurrent protection method, comprising the following steps: sampling an input current provided by the direct current side (S10); filtering the sampled current (S11); determining whether the filtered current is larger than a thresho...
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WO/2018/084233A1 |
Provided is a brake device capable of high-accuracy control for causing a brake force estimate value to follow a brake force command value by angle-sensorless control, and also capable of achieving cost reduction or the like. This dynamo...
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WO/2018/078778A1 |
Provided is a motor control device capable of minimizing both vibration and power loss even if the characteristics of the vibration and the power loss change due to motor driving environment. An amount of vibration and an amount of loss ...
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WO/2018/072907A1 |
In order to provide a method for limiting the temperature in an electrical machine, wherein the retrieval of higher drive powers is briefly allowed after a predetermined permanent temperature has been exceeded, it is proposed to determin...
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WO/2018/072903A1 |
The invention relates to a fan motor control device (1) comprising a control signal input (6) for applying a rotational speed control voltage as a control signal input signal and a control signal output (13) for picking off a control sig...
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WO/2018/072969A1 |
A method for detecting a fault in an AC/AC exciter (60) comprising an exciter rotor (90) and an exciter stator (70) is disclosed. A rotor current signal or a rotor voltage signal reflecting the current or voltage, respectively, at an exc...
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WO/2018/070169A1 |
The present invention addresses the problem of providing a motor control device having a function of generating vibrations and measuring a resonant frequency while controlling the rotation of a motor. To solve said problem, this motor co...
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WO/2018/070367A1 |
A vehicle control apparatus (50) is provided with: a lock determination unit (54); and a motor driving control unit (56). The lock determination unit (54) determines whether a vehicle (90) is in a locked state. The motor driving control ...
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WO/2018/066048A1 |
A numerical control device (10) controls a servo motor (16) on the basis of a processing program (11). The processing program (11) includes a command for generating moving direction reversal in a mechanical system driven in a moving axis...
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WO/2018/061437A1 |
A motor control device that feedback controls the state quantity of a motor or load and comprises: a first notch filter arranged inside a feedback control system and capable of changing a frequency component to be removed; a first notch ...
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WO/2018/062087A1 |
An electric brake device which can prevent shortages in vehicle power capacity is provided. This electric brake device is provided with a brake rotor, a friction member, a friction member operating means, an electric motor (4), and a con...
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WO/2018/061452A1 |
A motor control device that feedback controls the state quantity of a motor or mechanical load and comprises: a first notch filter arranged inside a feedback control system and capable of changing a frequency component to be removed; a f...
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WO/2018/061552A1 |
An exemplary motor system according to the present disclosure is provided with: an appliance that has a motor, a drive circuit for driving the motor on the basis of a rewritable drive control parameter, and a detection unit for detecting...
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WO/2018/061818A1 |
A power conversion device 100 comprises: a first inverter 120 that is connected to one end of each phase winding of a motor; a second inverter 130 that is connected to the other end of each phase winding of the motor; a first switching c...
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WO/2018/050458A1 |
It is described a control arrangement (360) for controlling an electrical machine (111, 211), comprising: a fundamental current controller (371), at least one harmonic flux controller (373a, 373b) related to a (nth or mth) harmonic (n, m...
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WO/2018/051641A1 |
A motor control device is provided with: a first communication unit for transmitting and receiving data to and from a motor; a communication disconnection determination unit for determining, from no reply from the motor within a certain ...
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WO/2018/047921A1 |
A shift range control device (40) that: is installed in a vehicle; controls the driving of a motor (10) and thereby switches shift range; and comprises a feedback control unit (60), a feedback value setting unit (63), current sensors (81...
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WO/2018/047394A1 |
Provided is a motor control device comprising: a movement command generation unit; a movement command processing unit; and a control unit. The movement command generation unit outputs a motor movement command. The movement command proces...
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WO/2018/041994A1 |
The invention relates to a circuit breaker (1) having at least one switching path (2) from a first connection terminal (3) of the circuit breaker (1) to a second connection terminal (4) of the circuit breaker (1), wherein at least one se...
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WO/2018/043062A1 |
The present invention pertains to a surge suppression circuit connected between a cable 100 and the output terminals of an inverter INV in order to drive, by means of the inverter INV, a motor M connected to the output terminal of the in...
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WO/2018/041584A1 |
The invention relates to a method for determining cylinder switching (128a) in an internal combustion engine (112), by means of a control unit, preferably a regulator (120) of an electric machine (114) coupled to the internal combustion ...
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WO/2018/042488A1 |
The invention addresses the problem of distinguishing and detecting a sign of a ground fault and a sign of a layer short-circuit during an operation of a rotating machine. To solve the problem, a diagnosis device (5) is provided with: le...
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WO/2018/041583A1 |
The invention relates to a method for determining an operating state (128a, 132a) of an internal combustion engine (112), comprising the following steps: determining the temporal course of a rotational speed (n) of an electric machine (1...
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WO/2018/042672A1 |
A motor control device of the present invention is applied in a configuration in which a plurality of synchronous motors mechanically connected in parallel with each other are driven by means of a single power converter, and is provided ...
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WO/2018/042974A1 |
The present invention provides a CPAP device which is used for positive airway pressure and which changes the pressure of a gas to be supplied at desired timing. The CPAP device has a fan and a control unit 30 for controlling rotation of...
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WO/2018/041586A1 |
The invention relates to a method for determining a coupling state (128a - 138a) of a drive train (2) of a motor vehicle (1) coupled to a clutch (4) on an internal combustion engine (112). Said method comprises the following steps: detec...
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WO/2018/038020A1 |
Provided is an electric linear motion actuator that achieves space saving and cost reduction and enables improved redundancy. This electric linear motion actuator (1) has a linear motion mechanism (3) and an electric motor (2) that are c...
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WO/2018/038021A1 |
Provided is a highly redundant electric motor apparatus which, when a failure occurs in estimation of an angle, is able to identify a line where the failure has occurred, and which is able to continue operation even after occurrence of t...
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WO/2018/037348A1 |
In aspects, the present invention discloses a system for monitoring condition of a plurality of motors. The system includes a plurality of condition monitoring devices capable of measuring one or more parameters associated with the corre...
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WO/2018/035778A1 |
An application method and system for controlling a rotation speed in a vertical winding machine, the method comprising the following steps: detecting a state of a vertical winding machine (S101); receiving a control command of an operato...
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WO/2018/037021A1 |
The present invention provides an apparatus and a method for reducing power consumption of a compressor. The invention applies a first operating voltage to the compression, then determines an operating power of the compressor at the firs...
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WO/2018/035779A1 |
A horizontal winding machine state rotation speed control method and system, the method comprising the following steps: detecting a state of a horizontal winding machine (S101); receiving a control command of an operator for the horizont...
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WO/2018/037191A1 |
The invention relates to a method for estimating a periodic or substantially periodic force present in a mechanical or electromechanical system, the method comprising: estimating, by a processing device, one or more harmonic frequencies ...
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WO/2018/033366A1 |
The invention relates to a device for the online monitoring, during operation, of the thermal stress of an electric motor (M) by the rotational movement of the rotor (T) thereof, said device comprising: a control unit (C) which is design...
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WO/2018/030031A1 |
The present invention addresses the problem of enability to achieve three-phase short-circuit and to suppress induced voltage when a switching element of an inverter does not operate normally due to a failure or the like. An induced volt...
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WO/2018/030276A1 |
An abnormality diagnosis device performs an abnormality diagnosis of a system in which a dynamo-electric machine (21) is mounted. The abnormality diagnosis device is provided with: an abnormality detection unit for detecting abnormalitie...
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WO/2018/031071A1 |
Compressors in a refrigerant loop are driven by variable frequency drives. The variable frequency drives are configured to demand current from an alternating current power source at different phases relative to one another such that at l...
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WO/2018/030217A1 |
A failure detection device (70) is utilized in a system (10, 110) which comprises: a rotating electrical machine (30, 130) that is connected to an engine (20) such that motive power can be transmitted; an inverter (50) that performs powe...
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WO/2018/025634A1 |
Through the present invention, an abnormality in a feed shaft is diagnosed without the new addition of a sensor or the like. In the present invention, a frequency characteristic of a feed shaft and a damage frequency generated when a dam...
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WO/2018/024989A1 |
Actuator (2) for vehicle transmission system (3), comprising: - an electric machine (6) comprising a rotor and a stator, the machine (6) being such that the relationship between a quantity that is representative of the electromagnetic to...
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WO/2018/025759A1 |
In a motor control method according to an embodiment of the present invention, (A) three current values Ia, Ib, Ic of a three-phase current flowing in a motor M that are detected using three current sensors I1, I2, I3, and two rotor angl...
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WO/2018/024280A1 |
The present invention relates firstly to a method for controlling an electric machine. The electric machine is in particular an electric motor or a generator. The electric machine comprises a rotor with at least one permanent magnet. The...
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WO/2018/026508A1 |
A system (154) for health monitoring of a prime mover (110) coupled to a doubly-fed induction generator (DFIG) (112) is disclosed. The DFIG (112) includes a generator (120) having a rotor winding (132) and a stator winding (130). The sys...
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WO/2018/025599A1 |
The purpose of the present invention is to provide a brake control device and a control method used by the brake control device, whereby estimation accuracy of a motor rotation speed can be improved. The brake control device calculates t...
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WO/2018/020545A1 |
Provided is an electric motor diagnosis device which is capable of diagnosing the presence of an abnormality in an electric motor by statistically processing load torques calculated from sampled and inputted voltage and current informati...
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WO/2018/021043A1 |
A brushless DC motor (2) equipped with: a stator (5) on which three-phase windings are arranged; a magnetic rotor (6) that is rotated when power is supplied to the stator; an inverter circuit (11) having multiple switching elements and c...
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WO/2018/020364A1 |
The present application provides an improved voltage loss protection circuit, which includes a voltage loss coil protection circuit and an energy storage protection circuit, and a starting cabinet with the improved voltage loss protectio...
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