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WO/2023/193139A1 |
Provided are a power control method and apparatus, and an electric vehicle (100). The method comprises: acquiring a plurality of instantaneous driving powers of a motor of an electric vehicle (100) within a current operation period; dete...
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WO/2023/195502A1 |
The purpose of the present invention is to improve the usage efficiency of regenerative energy. An electric actuator of one embodiment of the present invention comprises: an electric motor that repeats forward rotation and reverse rotati...
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WO/2023/195276A1 |
In order to perform regenerative braking in a manner that complies more with the intent of an occupant, the motor control device according to an embodiment comprises: an inverter that causes a motor of an electrically assisted vehicle to...
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WO/2023/189180A1 |
A vehicle (10) is provided with a pair of drive wheels (21, 22) which are mounted at two positions on the right and left with respect to the traveling direction of the vehicle and which respectively have motors (23, 24) that are driven i...
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WO/2023/188065A1 |
An electric wheel chair 1 comprises: a vehicle body 2a; casters 2c and main wheels 2b; a drive wheel 14c disposed between the casters 2c and the main wheels 2b; a pair of motors 15; a current detecting unit 36 that detects the motor curr...
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WO/2023/189181A1 |
A vehicle (10) comprises: a body (11); a pair of drive wheels (21, 22) that are attached at to positions on the left and right sides of the body with respect to the vehicle travel direction, and that have respective motors (23, 24), the ...
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WO/2023/188667A1 |
A vehicular driving control device comprises: an electric power conversion circuit that is connected to a DC power source and that supplies electric power of the DC power source to an electric motor in accordance with a voltage command; ...
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WO/2023/189344A1 |
This electric work machine (1) comprises a body (2), a battery unit (30) installed in the body, an electric motor (9) driven by electric power from the battery unit, a hydraulic apparatus operated by motive power from the electric motor,...
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WO/2023/182182A1 |
Provided is an electric hydraulic excavator which avoids stalling of an electric motor for driving a hydraulic pump and is capable of avoiding unintentional stopping of an actuator, which operates based on the hydraulic pressure generate...
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WO/2023/175993A1 |
A certain aspect of the present invention is a control method for an electric vehicle comprising a plurality of driving wheels and a plurality of electric motors that respectively generate driving forces to the plurality of driving wheel...
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WO/2023/176965A1 |
The work vehicle includes: a step-down circuit (212) provided between a fuel cell (124) and a converter (211); a contactor (213) provided in parallel with the step-down circuit (212) and switching conduction and insulation between the fu...
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WO/2023/171052A1 |
[Problem] To reduce noise radiated from a drive shaft. [Solution] This device comprises a motor, an inverter that drives the motor, a gear device connected to the downstream side of the motor, and a drive shaft that transmits the power o...
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WO/2023/166764A1 |
Provided is a vehicle drive system that reduces oil agitation loss which occurs in a reduction gear during vehicle startup, and that sufficiently sends a cooling oil to a motor to improve the reliability of the motor.　This vehicle driv...
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WO/2023/151809A1 |
An electrical traction, system for an industrial electric vehicle is described. The electrical traction system includes an electrical energy storage device having a storage electrical potential, a DC drivetrain bus having at a drivetrain...
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WO/2023/139661A1 |
The present invention includes: a basic torque allocation process for determining a basic torque command value for each drive motor on the basis of a total requested drive force for an electric vehicle and a drive force allocation for ea...
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WO/2023/127344A1 |
In order to reduce a temperature increase in a power conversion unit for driving a hybrid railroad vehicle and to realize energy-saving, stable operation, this railroad vehicle drive system includes: a generator driven by means of an int...
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WO/2023/127295A1 |
This electric work vehicle comprises: a battery (4) mounted on a machine body; an inverter (14) that converts direct-current power based on the output of the battery (4) into alternating-current power; a motor (M) driven by the alternati...
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WO/2023/120212A1 |
The present invention includes a battery (4) that is equipped with: an accommodation case (1) that accommodates a plurality of battery modules (6); a precharge unit (67) that performs an operation in which electric power is gradually sup...
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WO/2023/119929A1 |
This electric work vehicle comprises: a vehicle body; a traveling device provided to the vehicle body; a motor M which drives the traveling device; an inverter 14 which feeds electricity to the motor M; an electric component; a DC/DC con...
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WO/2023/120030A1 |
A control device (50) for a power converter is to be applied to a system comprising a chargeable/dischargeable power storage unit (30), coils (11U-11W, 72, 83, 84), and a power converter (20, 70, 80) that electrically connects the coils ...
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WO/2023/119746A1 |
This electric work vehicle is provided with a body, a travel device for allowing the body to travel, an operation mechanism for providing power to a work device, a motor M that rotationally drives at least one of the travel device and th...
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WO/2023/117090A1 |
The invention relates to a power supply device (1) for supplying power to a consumer arranged on a rail vehicle, wherein the power supply device (1) is configured for generating a supply voltage of the consumer (2) from a voltage applied...
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WO/2023/112898A1 |
Provided is a vehicle mounting a motor for driving the vehicle, a battery capable of supplying power to the motor, and a power conversion device provided between the motor and the battery, when the battery temperature is lower than a pre...
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WO/2023/112945A1 |
The present disclosure provides a dump truck which does not require installation of a power supply device including a trolley wire on a downhill slope and is capable of using regenerative braking even when the state of charge of a power ...
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WO/2023/113726A1 |
The invention relates to a half-closed-loop scalar control method for torque/speed control of squirrel cage induction machines. In the scalar control method, a nonlinear equation solver developed on top of a linear PI controller is used ...
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WO/2023/102961A1 |
Disclosed in the present invention is an LCL compensation topology for a pickup of a rail guided vehicle in an intelligent substation. The LCL compensation topology comprises a voltage source Uin, a compensation inductor L1 and a coil se...
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WO/2023/100721A1 |
A control device (200) is provided to a vehicle in which a travel battery (300) can be charged by being connected to an external charger (1000). The control device controls a power conversion circuit (550) for converting first supplied p...
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WO/2023/095753A1 |
Disclosed is a drive device for a vehicle comprising a rotary electric machine, a transmission mechanism, and an inverter device, the rotary electric machine and a pair of output members have a two-shaft structure, the transmission mecha...
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WO/2023/097199A1 |
A conductor rod (106) having several cylinder conductors (202, 206, 210, 214) concentrically placed within a barrel (109) to transfer power from a power source to a work machine (100) and the work machine (100) that uses the conductor ro...
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WO/2023/095822A1 |
A second gear (33) meshes with a first gear (32) and is coupled to an output member (2) so as to rotate together therewith. A rotor (12), a planetary gear mechanism (31), and the first gear (32) are disposed on a first axis (X1) in the s...
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WO/2023/092808A1 |
A method for controlling counter-electromotive force in a train, comprising: a train control and management system (TCMS) delivering to a traction control unit (TCU) an instruction of opening a main circuit breaker (S101); and after the ...
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WO/2023/095751A1 |
Disclosed is a drive apparatus for a vehicle comprising a dynamo-electrical machine, a transmission mechanism, and an inverter device. The dynamo-electrical machine and a pair of output members have a biaxial configuration, and the trans...
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WO/2023/095752A1 |
Disclosed is a drive device for a vehicle comprising a rotary electric machine, a transmission mechanism, an inverter device, a case having a first case portion that houses the rotary electric machine, and a rotor shaft to which a rotor ...
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WO/2023/097205A1 |
A work machine (100), such as a hauler at a mining site, includes a conductor rod (106) housing concentric metal tubes (302, 304, 306) for receiving electrical power from a contactor (118) sliding on a power rail (108). A connection asse...
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WO/2023/089746A1 |
This motor control device comprises: a boost converter having a reactor and a smoothing capacitor and boosting the voltage of a battery in a vehicle; at least one drive device for driving a traveling motor of the vehicle by the power fro...
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WO/2023/087974A1 |
Provided in the present invention is a single three-phase compatible alternating-current/direct-current/alternating-current traction converter, comprising a plurality of rectification-side power tube bridge arms, and further comprising t...
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WO/2023/088302A1 |
A power car power supply transmission system, which comprises a three-phase power supply transmission mode and a single-phase power supply transmission mode. The power supply capacities in the two modes are identical. By means of automat...
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WO/2023/084044A1 |
Line-supplied vehicles (220, 220I), each of which comprises at least one traction accumulator (240, 240I, 240II) as a buffer energy supply of a drive motor, is supplied with energy via at least two lines (260, 260I) and a respective ener...
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WO/2023/073974A1 |
[Problem] To make it possible to efficiently use a battery power source. [Solution] A motor drive circuit comprising a motor, an inverter that drives the motor, a first battery module that has a power carrying/interrupting element which ...
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WO/2023/074451A1 |
This control device (50) comprises: a slip derivation unit (112) that derives a slip correlation value (SLP), which correlates to the slippage degree of a wheel; a motor control unit (124) that extracts a fluctuation component of a presc...
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WO/2023/067802A1 |
This driving force control device is provided in a vehicle comprising a driving unit that is able to separately drive the left wheels and the right wheels, and comprises: a torque calculating unit that calculates torque command values th...
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WO/2023/066068A1 |
A three-phase traction transmission power supply system for multiple units, the system comprising: a three-phase rectification apparatus (100), which comprises a three-phase alternating-current input port and three direct-current output ...
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WO/2023/065529A1 |
A high-voltage electrical box (1), comprising: a box body (10); and an inherent part (101) and a reserved part (102) provided in the box body (10). The inherent part (101) comprises a three-position switch; when the train is running, the...
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WO/2023/053205A1 |
This electric vehicle equipped with an electric motor (2) for driving left and right wheels and a brake (9) for applying braking force to the left and right wheels comprises: a higher-level control device (10) for calculating a required ...
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WO/2023/054437A1 |
A vehicle drive device (10) comprises left and right motors (1, 2) that drive left and right wheels of a vehicle, a gear box (3) sandwiched between the left and right motors (1, 2), and an inverter (4) disposed in a mounting space S abov...
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WO/2023/054348A1 |
In the present invention: a front wheel drive unit (1F) is configured such that a first rotor (21F) is arranged on a first shaft (A1F), a first differential input gear (51F) is arranged on a second shaft (A2F), and the second shaft (A2F)...
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WO/2023/050517A1 |
The present disclosure relates to an energy storage traction system and a control method therefor, and a rail transit vehicle. The system comprises a power-grid power source, a traction transformer, a four-quadrant rectifier, an intermed...
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WO/2023/054439A1 |
The disclosed vehicle drive device (10) is equipped with motor housings (11, 12), a gearbox housing (13), an inverter case (14) and a PN line (9). The motor housings (11, 12) form the outer covering of a left motor (1) and a right motor ...
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WO/2023/053248A1 |
Provided are: a control device for an electric vehicle, the device being capable of determining any abnormalities in control parameters for a drive motor; an electric vehicle; and a recording medium on which a computer program is recorde...
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WO/2023/054438A1 |
A vehicle drive device (10) comprising a motor unit (1), which has a drive motor mounted in a vehicle and a gear mechanism for transmitting torque from the motor to left and right wheels of the vehicle, and an inverter (4), which is arra...
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