H02P5/50

Electric motor control device

An electric motor control device that drives and controls a plurality of electric motors connected in parallel, includes: a power conversion device; a current detection device; and a controller that includes a first control unit to perform first control on each of the plurality of electric motors based on the electric current, a second control unit to perform second control of controlling the plurality of electric motors such that an estimated speed of each of the plurality of electric motors obtained based on the current value follows the speed command value, and a switching determination unit to perform switching determination processing of switching between the first control performed by the first control unit and the second control performed by the second control unit according to drive information on at least one or more of the plurality of electric motors.

HVAC Motor Automation Control Unit and Adjustment Methods and Apparatus for Same

A method and apparatus for an automation control unit (ACU) for converting an automation control signal to a pulse width modulation (PWM) signal to control the output of a HVACR device such as a variable speed (VS) motor in an HVAC system is disclosed. The invention limits the motor output between a high and low limit, keeping the connected HVACR device operating within a safe range for the HVAC equipment. The invention simplifies commissioning of HVACR devices, constrains the equipment to operate within its designed operating range, optimizes energy efficiency of the HVAC equipment and minimizes disturbance in the controlled environment.

HVAC Motor Automation Control Unit and Adjustment Methods and Apparatus for Same

A method and apparatus for an automation control unit (ACU) for converting an automation control signal to a pulse width modulation (PWM) signal to control the output of a HVACR device such as a variable speed (VS) motor in an HVAC system is disclosed. The invention limits the motor output between a high and low limit, keeping the connected HVACR device operating within a safe range for the HVAC equipment. The invention simplifies commissioning of HVACR devices, constrains the equipment to operate within its designed operating range, optimizes energy efficiency of the HVAC equipment and minimizes disturbance in the controlled environment.

ELECTRIC DISTRIBUTED ANTI-TORQUE ARCHITECTURE

An architecture for an electric distributed propulsion system includes one or more generators connected to a gearbox, a first and a second plurality of motors connected to the one or more generators, each motor of the plurality of motors connected to a blade to provide thrust, a first and a second power bus electrically connected between the one or more generators and the first and the second plurality of motors, each power bus independent of the other power bus, a first and a second controller independently connected to each of the first and second plurality of motors, each of the first and second controllers serving as a primary and a backup controller to provide redundant control to both the first and the second plurality of motors, and dual channels in communication between pilot input sensors and the first and the second controllers, each channel of the dual channels independent of the other channels, and the dual channels including an additional channel to provide redundant communication to the first and second controllers.

ELECTRIC DISTRIBUTED ANTI-TORQUE ARCHITECTURE

An architecture for an electric distributed propulsion system includes one or more generators connected to a gearbox, a first and a second plurality of motors connected to the one or more generators, each motor of the plurality of motors connected to a blade to provide thrust, a first and a second power bus electrically connected between the one or more generators and the first and the second plurality of motors, each power bus independent of the other power bus, a first and a second controller independently connected to each of the first and second plurality of motors, each of the first and second controllers serving as a primary and a backup controller to provide redundant control to both the first and the second plurality of motors, and dual channels in communication between pilot input sensors and the first and the second controllers, each channel of the dual channels independent of the other channels, and the dual channels including an additional channel to provide redundant communication to the first and second controllers.

Fault tolerant motor and zone controller apparatus
11205979 · 2021-12-21 · ·

A motor and zone controller apparatus includes: a first motor drive; a second motor drive; and a switching apparatus. The switching apparatus includes: a first switching network having at least a first state and a second state, the first switching network connects the first motor drive to a first motor when in the first state, and the first switching network connects the first motor drive to a second motor when in the second state; and a second switching network having at least a first state and a second state, the second switching network connects the second motor drive to the first motor when in the first state, and the second switching network connects the second motor drive to the second motor when in the second state.

Fault tolerant motor and zone controller apparatus
11205979 · 2021-12-21 · ·

A motor and zone controller apparatus includes: a first motor drive; a second motor drive; and a switching apparatus. The switching apparatus includes: a first switching network having at least a first state and a second state, the first switching network connects the first motor drive to a first motor when in the first state, and the first switching network connects the first motor drive to a second motor when in the second state; and a second switching network having at least a first state and a second state, the second switching network connects the second motor drive to the first motor when in the first state, and the second switching network connects the second motor drive to the second motor when in the second state.

Oscillation-type vehicle
11198482 · 2021-12-14 · ·

An oscillation-type vehicle includes a front vehicle body that suspends a front wheel in a steerable manner, a rear vehicle body that suspends left and right drive wheels, and an oscillation mechanism that causes the front vehicle body and the rear vehicle body to oscillate relative to each other. The oscillation-type vehicle being capable of carrying out drive control of the left and right drive wheels such that the drive wheels behave differently from each other in response to oscillation of the oscillation-type vehicle, wherein the drive control of the left and right drive wheels is carried out using information on the oscillation and information on a speed of vehicle.

Oscillation-type vehicle
11198482 · 2021-12-14 · ·

An oscillation-type vehicle includes a front vehicle body that suspends a front wheel in a steerable manner, a rear vehicle body that suspends left and right drive wheels, and an oscillation mechanism that causes the front vehicle body and the rear vehicle body to oscillate relative to each other. The oscillation-type vehicle being capable of carrying out drive control of the left and right drive wheels such that the drive wheels behave differently from each other in response to oscillation of the oscillation-type vehicle, wherein the drive control of the left and right drive wheels is carried out using information on the oscillation and information on a speed of vehicle.

MOTOR CONTROL METHOD AND SYSTEM

The present application relates to the technical field of motor control, and provides a motor control method and system. The motor control method includes: each driving chip receives state information fed back by a sensor corresponding to the driving chip; when the driving chip receives the state information, a processor receives the state information; the driving chip processes the state information to obtain a first control signal, and the processor processes the state information to obtain a second control signal; and at least two of a plurality of driving chips drive, according to the first control signals and the second control signals corresponding to the driving chips, motors corresponding to the driving chips for linkage.