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Matches 251 - 300 out of 9,313

Document Document Title
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...  
WO/2013/095718A1
A traction motor drive system (200) includes a plurality of armatures (104) arranged in parallel with each other and a plurality of field circuits (105) arranged in series with one another. The plurality of field circuits (105) is arrang...  
WO/2013/069500A1
The present invention is provided with a simulation unit for simulating the operation of a virtual mechanical mechanism, and a drive control unit for controlling the driving of a plurality of servomotors on the basis of the result of the...  
WO/2012/010993A3
An electric motor arrangement comprising an electric motor having a rotor, a stator, a first coil set and a second coil set, wherein the first coil set is arranged to form a first sub motor with a control device being arranged to control...  
WO/2013/035185A1
Provided is an overtemperature protection device for a motor applicable to a railway vehicle drive system which operates a plurality of motors in parallel by using one or more inverter devices. The overtemperature protection device is pr...  
WO/2013/034965A1
A motor control system includes: a converter; two inverters; two alternating-current motors; and a control unit. The control unit is configured to control the system voltage by feedback of a current phase of a current vector of motor cur...  
WO/2013/020355A1
A control system to realize input power changing along with both loads and rotate speed by an inverter bridge dragging many sets of motors, is composed of a stator voltage regulating unit(1), a motor unit(2), a rotor speed control unit(3...  
WO/2013/021460A1
An ECU (100) is mounted on a vehicle provided with first to third motors. Each of the first to third motors is provided with a rotor comprising a field coil, and a field control circuit and a switch formed on a closed circuit containing ...  
WO/2013/018209A1
An electric motor drive system comprises: a first interlock mechanism (160) constructed in such a way that a switch device (190) is opened by operation in response to an interrupter device (SP) assuming an operable state; a second interl...  
WO/2013/018786A1
This invention provides a load control system which facilitates the construction of a control system for controlling multiple load drive elements such as actuators for load drive. In order to drive control each of a plurality of load dri...  
WO/2012/134748A3
A method for providing electric power to a power system includes receiving, at a slave node of a power converter having a plurality of slave nodes, a first synchronization signal via a first communication channel, the first synchronizati...  
WO/2012/176553A1
The purpose of the present invention is to obtain a motor control device for controlling a motor having a plurality of phases and for, when an open-state failure occurs at a target phase, quickly and accurately detecting at which of the ...  
WO/2012/173005A1
The present invention provides an extrusion press with which it is possible to eliminate nonuniformity in the degree of dynamic/thermal fatigue of electrical devices, control devices, and the like that drive hydraulic devices and hydraul...  
WO/2012/172647A1
[Problem] To allow a faulty wiring factor to be determined quickly and accurately. [Solution] This multiaxial motor drive system has: multiple motors (100) each equipped with an encoder (102); a high-order control unit (200) that outputs...  
WO/2012/164740A1
[Problem] To make setting-up easier to carry out. [Solution] A multi-axis motor driving system comprises: a plurality of motors (100) provided with encoders (102) for detecting speed; an upper-level control apparatus (200) for outputting...  
WO/2012/160874A1
A motor control device equipped with: an operation determination unit (6) that determines whether the motor (1) is in the operating state or the stopped state on the basis of an operation command signal X* or an operation signal Xm; an a...  
WO/2012/144002A1
A control apparatus (18) for performing a voltage conversion control for a voltage conversion circuit (12) between motor control circuits (14, 15) for controlling a plurality of motors (16, 17) and a power supply (10), characterized by b...  
WO/2012/126785A1
A drive system (DS) for a land craft comprises a machine system (M1, M2) for driving the land craft, the machine system comprising at least a first and a second electric machine (M1, M2) acting on a common drive shaft (S) for driving the...  

Matches 251 - 300 out of 9,313