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Patent Searching and Data


Matches 201 - 250 out of 9,131

Document Document Title
WO/2014/167648A1
Causing a part of a bus voltage smoothing capacitor in a multiaxial driving apparatus to be enabled for use as a power-assisting storage device for regenerative power accumulation obviates having to add a power-assisting storage device r...  
WO/2014/162701A1
According to the present invention, when a control unit (67) of a motor controller (60) controls a first circuit (61), a second circuit (62), and a third circuit (63) to simultaneously rotate a first DC motor (21) and a second DC motor (...  
WO/2014/087134A3
An electric machine (100) has a primary mechanical output or input, a plurality of electric sub-machine rotors (102) each having an output or input shaft (104), a plurality of electric sub-machine stator magnets proximate the rotors, a d...  
WO/2014/156386A1
In the present invention, each electric motor has a zero-phase current detector, a phase current detector, and a phase voltage detector attached thereto, and four different types of electric motor abnormalities are detected using only vo...  
WO/2014/148427A1
Provided is a motor drive device capable of reducing the loss between a drive power source and a control device. The motor drive device (6) comprises: a plurality of motors (4), a single drive power source (7) for driving these motors (4...  
WO/2014/142928A1
A method for controlling a first motor and a second motor to synchronize respective positions of the first motor and the second motor may comprise comparing the positions to determine a position difference, incrementally increasing a spe...  
WO/2010/008740A3
Apparatus, methods, and computer storage media provide for the establishment of a parallel motor controller architecture and the dynamic reconfiguration of the architecture to redirect power to various motors according to the changing po...  
WO/2014/128433A2
This invention concerns an electric drive system (200) for driving an output. The electric drive system comprises: a first electric motor (250) arranged to drive a first input shaft (230) at a first angular velocity, ω1, and a second el...  
WO/2014/126941A2
To accomplish the invention, each individual stator pole winding has its own voltage and amperage matched battery, capacitor or storage device pack or packs and winding system controller or controllers which are signaled for operations a...  
WO/2014/072409A3
The invention relates to a system with a first electric motor (12) and a second electric motor (14) which are mechanically coupled to each other via a common line section (17) of the system. The line section (17) exhibits a natural torsi...  
WO/2014/112109A1
A control device (100) for a vehicle motor controls a motor (MG1, MG2) capable of achieving a plurality of characteristics where the upper limits for the output of torque are mutually different. The control device for a vehicle motor com...  
WO/2014/081437A3
A system for controlling multiple inverter-driven loads includes a controller that is configured to be coupled with an inverter that receives direct current and converts the direct current into an alternating current in order to supply t...  
WO/2014/089613A1
An electrical machine comprising: at least one stator, at least one module, the at least one module comprising at least one electromagnetic coil and at least one switch, the at least one module being attached to the at least one stator; ...  
WO/2014/087134A2
An electric machine (100) has a primary mechanical output or input, a plurality of electric sub-machine rotors (102) each having an output or input shaft (104), a plurality of electric sub-machine stator magnets proximate the rotors, a d...  
WO/2014/082249A1
Disclosed are a directly coupled servomotor transmission structure and a control system therefor. The transmission structure comprises a servomotor and a printing plate roller, with the servomotor and the printing plate roller being conn...  
WO/2014/081437A2
A system for controlling multiple inverter-driven loads includes a controller that is configured to be coupled with an inverter that receives direct current and converts the direct current into an alternating current in order to supply t...  
WO/2014/072409A2
The invention relates to a system with a first electric motor (12) and a second electric motor (14) which are mechanically coupled to each other via a common line section (17) of the system. The line section (17) exhibits a natural torsi...  
WO/2014/033026A3
If a plurality of motors are fed from an intermediate circuit via inverters, the current in the intermediate circuit has a plurality of harmonics (-5th, -3th, -1st, +1st, +3rd, +5th). To prevent coupling capacitors of the intermediate ci...  
WO/2012/125339A3
The system (11) comprises a first' motor (26) for applying rotational energy to a respective first wheel (30) of the vehicle. A second motor (28) is arranged for applying rotational energy to a respective second wheel (32) of the vehicle...  
WO/2014/048604A1
The invention relates to a device and a method for detecting wheel-track friction, suitable for detecting the friction of a wheel of a vehicle (6) on a track, said device being characterised in that it comprises: an electric circuit comp...  
WO/2013/104582A3
The invention relates to a method of control implemented in a power converter and which makes it possible to determine the angles (θ1, θ2,) of the rotors (R1, R2) of two permanent-magnet synchronous electric motors (Mot1, Mot2) connect...  
WO/2014/045407A1
A current command generation unit (117) generates a current command indicating a current value supplied from an inverter circuit to multiple electric motors which are parallel-connected. A voltage command calculation unit (120) generates...  
WO/2014/037683A1
This invention relates to methods and devices for motor speed control. The invention has particular application in the control of motors over packet networks. In embodiments of the invention, phase-locked loop principles are used to remo...  
WO/2014/033026A2
If a plurality of motors are fed from an intermediate circuit via inverters, the current in the intermediate circuit has a plurality of harmonics (-5th, -3th, -1st, +1st, +3rd, +5th). To prevent coupling capacitors of the intermediate ci...  
WO/2014/019373A1
A centralized motor controller for controlling multiple motors is connected to an application system controller and used for receiving an instruction of the application system controller to control multiple independent motors. The centra...  
WO/2014/019371A1
A centralized motor controller convenient in configuring motors is connected to an application system controller and used for receiving an instruction of the application system controller to control multiple independent motors. The centr...  
WO/2014/020884A1
A motor drive apparatus is provided with: a plurality of inverter circuits (11, 21, 31) provided corresponding, respectively, to a plurality of motors (1, 2, 3); a control means (40, 50, 60) for controlling the inverter circuits using sw...  
WO/2013/158849A4
Systems and methods for estimating an inertia and a friction coefficient for a controlled mechanical system are provided. In one or more embodiments, an inertia estimator can generate a torque command signal' that varies continuously ove...  
WO/2014/015678A1
An HVAC control system of a household central air conditioner comprises an HVAC system controller, a centrifugal blower motor, a compressor motor, and an axial fan motor. The HVAC system controller comprises an HVAC microprocessor, a sen...  
WO/2014/013614A1
A voltage control unit (13) generates a d-axis voltage command value and a q-axis voltage command value on the basis of an operation command signal and a three-phase current. When the state in which the absolute value of the resultant ve...  
WO/2014/010061A1
The purpose of the present invention is to reduce the size and lower the cost of a control board for an on-board motor drive, in a form in which it is possible to ensure power-source redundancy. The control board (10) for an on-board mot...  
WO/2013/054349A8
A method to provide a selective torque assist to the primary motor in an electric vehicle/Hybrid vehicle is disclosed. The method comprises of embedding torque assist motors on the two output shafts of the primary motor differential. The...  
WO/2013/158849A3
Systems and methods for estimating an inertia and a friction coefficient for a controlled mechanical system are provided. In one or more embodiments, an inertia estimator can generate a torque command signal' that varies continuously ove...  
WO/2013/179546A1
This control unit for an air conditioner carries out drive control of first direct-current motors (15a, 15c) and second direct-current motors (15b, 15d) while detecting the rotational positions thereof from angle patterns (26-28) on the ...  
WO/2013/168530A1
A power source control device for a rotating electrical machine comprises: a TRC optimum voltage output unit (21) and a GEN optimum voltage output unit (22) for acquiring a TRC optimum voltage and a GEN optimum voltage; a normal target v...  
WO/2013/166123A1
A first motor controller generates commanded speeds of a first rotor of a first electric motor for a first time interval and a second time interval. A first speed monitor detects observed speeds of the first rotor for the time intervals....  
WO/2013/121442A3
A method and system for controlling a motor. The embodiments herein relate to motors and, more particularly, to enabling a motor to run efficiently on available power supplies. Embodiments herein enable a motor to operate using multiple ...  
WO/2013/149639A1
Electrical drive arrangement. The invention relates to a drive arrangement (10) having at least two electrical machines (12, 14, 16) each having a nominal speed, at least one frequency converter (18) for driving the electrical machines (...  
WO/2013/136515A1
In order to provide a motor control system with which an erroneous connection state can be repaired in a simple manner without rewiring connecting cables when a connection mistake occurs, in which two or more cables that are to be connec...  
WO/2013/136627A1
A motor drive system for which a motor unit (200) with an integrated inverter and an upper-level control device (100) that controls the inverter and the motor are formed separately, wherein the various commands for controlling the invert...  
WO/2013/133813A1
A motor vehicle electrical power distribution system includes a plurality of distribution sub-systems, an electrical power storage sub-system and a plurality of switching devices for selective connection of elements of and loads on the p...  
WO/2013/128713A1
A drive device is provided with: a plurality of motors; a plurality of inverters, one of which is provided to each motor, that are capable of outputting in accordance with a plurality of inputted parameters; a state detection unit that d...  
WO/2013/130110A1
According to one aspect, embodiments of the invention provide a power supply system comprising an input line configured to receive input AC power, a first capacitor coupled to the input line, a second capacitor, a controller, a rectifier...  
WO/2013/095721A3
This disclosure is directed to a traction motor drive system (200). The traction motor drive system (200) may include a field winding subsystem (202) comprising a field winding (105) associated with a traction motor (103). The traction m...  
WO/2013/119367A1
A reconfigurable battery has at least one bank of statically joined series connected battery cells, each cell including a positive and a negative pole. The poles connect through switches to respective output connections. Activating a set...  
WO/2013/115091A1
This lock-detection circuit is provided with: a CPU (204); switches (220 to 224) that are controlled by control signals (FAN1 to FANn) outputted from the CPU and supply power to motors (210 to 214); gates (240 to 244) that are controlled...  
WO/2013/104582A2
The invention relates to a method of control implemented in a power converter and which makes it possible to determine the angles (θ1, θ2,) of the rotors (R1, R2) of two permanent-magnet synchronous electric motors (Mot1, Mot2) connect...  
WO/2013/054349A3
A method to provide a selective torque assist to the primary motor in an electric vehicle/Hybrid vehicle is disclosed. The method comprises of embedding torque assist motors on the two output shafts of the primary motor differential. The...  
WO/2012/119795A3
The invention relates to a control unit (10) for controlling an electric machine, having a first and a second voltage connection (16, 18) for connecting the control unit (10) to a voltage source (20), a first control arrangement (12) whi...  
WO/2013/094360A1
A converter circuit (2) converts an inputted alternating current power (1) to a direct current voltage (Vdc), and an inverter circuit (3) converts the direct current voltage (Vdc) to a three-phase alternating current and drives a synchro...  

Matches 201 - 250 out of 9,131