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1075 results about "Motor system" patented technology
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The motor system is the set of central and peripheral structures in the nervous system that support motor functions, i.e. movement. Peripheral structures may include skeletal muscles and neural connections with muscle tissues. Central structures include cerebral cortex, brainstem, spinal chord, pyramidal system including the upper motor neurons, extrapyramidal system, cerebellum, and the lower motor neurons in the brainstem and the spinal cord.
Electro-mechanical surgical device
An electro-mechanical surgical device includes: a housing; an elongated shaft extending from the housing, a distal end of the elongated shaft being detachably coupleable to a surgical instrument; at least two axially rotatable drive shafts disposed within the elongated shaft, a distal end of each of the drive shafts being configured to couple with the surgical instrument; a steering cable arrangement, the steering cable arrangement being configured to steer the distal end of the elongated shaft; and a motor system disposed within the housing, the motor system being configured to drive the drive shafts and the steering cable arrangement. A control system may be provided for controlling the motor system. A remote control unit may also be provided for controlling the motor system via the control system. Sensors, such as optical or Hall-effect devices, may be provided for determining the position of the elements of the surgical instrument based on the detected rotation of the drive shafts. A memory unit stores a plurality of operating programs or algorithms, each corresponding to a type of surgical instrument attachable to the electro-mechanical surgical device. The control system reads or selects from the plurality of operating programs or algorithms, the operating program or algorithm corresponding to the type of surgical instrument attached to the electro-mechanical surgical device.
Owner:DORROS GERALD M D
Electro-mechanical surgical device
Owner:COVIDIEN LP
Electro-mechanical surgical device
An electro-mechanical surgical device includes: a housing; an elongated shaft extending from the housing, a distal end of the elongated shaft being detachably coupleable to a surgical instrument; at least two axially rotatable drive shafts disposed within the elongated shaft, a distal end of each of the drive shafts being configured to couple with the surgical instrument; a steering cable arrangement, the steering cable arrangement being configured to steer the distal end of the elongated shaft; and a motor system disposed within the housing, the motor system being configured to drive the drive shafts and the steering cable arrangement. A control system may be provided for controlling the motor system. A remote control unit may also be provided for controlling the motor system via the control system. Sensors, such as optical or Hall-effect devices, may be provided for determining the position of the elements of the surgical instrument based on the detected rotation of the drive shafts. A memory unit stores a plurality of operating programs or algorithms, each corresponding to a type of surgical instrument attachable to the electro-mechanical surgical device. The control system reads or selects from the plurality of operating programs or algorithms, the operating program or algorithm corresponding to the type of surgical instrument attached to the electro-mechanical surgical device.
Owner:TYCO HEALTHCARE GRP LP
System and method for calibrating a surgical instrument
A calibration system for a surgical instrument. The calibration system includes an actuator, such as a motor system and a flexible shaft. The calibration system also includes a surgical instrument actuatable by the actuator. The calibration system also include calibration data corresponding to the surgical instrument. A processor is configured to process the calibration data for determining a position of the surgical instrument. The calibration system may include a sensor configured to provide a signal corresponding to a movement of the actuator, the processor being further configured to process the signal for determining a position of the surgical instrument.
Owner:TYCO HEALTHCARE GRP LP
Electro-mechanical surgical device
An electro-mechanical surgical device includes: a housing; an elongated shaft extending from the housing, a distal end of the elongated shaft being detachably coupleable to a surgical instrument; at least two axially rotatable drive shafts disposed within the elongated shaft, a distal end of each of the drive shafts being configured to couple with the surgical instrument; a steering cable arrangement, the steering cable arrangement being configured to steer the distal end of the elongated shaft; and a motor system disposed within the housing, the motor system being configured to drive the drive shafts and the steering cable arrangement. A control system may be provided for controlling the motor system. A remote control unit may also be provided for controlling the motor system via the control system. Sensors, such as optical or Hall-effect devices, may be provided for determining the position of the elements of the surgical instrument based on the detected rotation of the drive shafts. A memory unit stores a plurality of operating programs or algorithms, each corresponding to a type of surgical instrument attachable to the electro-mechanical surgical device. The control system reads or selects from the plurality of operating programs or algorithms, the operating program or algorithm corresponding to the type of surgical instrument attached to the electro-mechanical surgical device.
Owner:TYCO HEALTHCARE GRP LP
System and method for calibrating a surgical instrument
A calibration system for a surgical instrument. The calibration system includes an actuator, such as a motor system and a flexible shaft. The calibration system also includes a surgical instrument actuatable by the actuator. The calibration system also include calibration data corresponding to the surgical instrument. A processor is configured to process the calibration data for determining a position of the surgical instrument. The calibration system may include a sensor configured to provide a signal corresponding to a movement of the actuator, the processor being further configured to process the signal for determining a position of the surgical instrument.
Owner:TYCO HEALTHCARE GRP LP
Apparatus and methods for drilling a wellbore using casing
Apparatus and methods for drilling with casing. In an embodiment, methods and apparatus for deflecting casing using a diverter apparatus are disclosed. In another embodiment, the apparatus comprises a motor operating system disposed in a motor system housing, a shaft operatively connected to the motor operating system, the shaft having a passageway, and a divert assembly disposed to direct fluid flow selectively to the motor operating system and the passageway in the shaft. In another aspect, methods and apparatus for directionally drilling a casing into the formation are disclosed. Methods and apparatus for measuring the trajectory of a wellbore while directionally drilling a casing into the formation are also described.
Owner:WEATHERFORD TECH HLDG LLC
Integrated thermal cycling system of electric vehicle
ActiveCN102941791AAchieve mutual integrationMeet the high requirements of the service temperatureAir-treating devicesCell temperature controlAir conditioningElectric vehicle
The invention relates to the field of heat management of electric vehicles, and in particular to an integrated thermal cycling system of an electric vehicle. The integrated thermal cycling system of the electric vehicle comprises a motor system heat dissipation device, a motor, a motor controller, an air-conditioning system, a first water pump, an air heater, a water cooling jacket, a battery pack, a heater, a battery pack heat dissipation device, a second water pump, a heat exchanger and an evaporator; and a refrigerant pipeline and a water pipeline are connected onto the heat exchanger, the water cooling jacket is installed on the battery pack, and the motor system heat dissipation device, the first water pump, the motor controller and a motor are sequentially and circularly connected with each other according to the circulating water flowing direction, so that a motor cooling cycling circuit is formed. When the environment temperature is low, the battery pack is preheated and heated and an air conditioner in the vehicle is warmed up before the electric vehicle is started, when the environment temperature is high, the battery pack is cooled, a cab is refrigerated and the motor and the motor controller are cooled, accordingly, high requirements on the self operating temperatures of the motor system and a battery are satisfied, so that the service lives and efficiency of the motor system and the battery are increased.
Owner:SAIC MOTOR
Method of determining static pressure in a ducted air delivery system using a variable speed blower motor
ActiveUS6994620B2Effective calculationDucting arrangementsMechanical apparatusMotor torqueMotor system
Systems and methods of determining static air pressure in an HVAC system are provided. Static air pressure is mathematically determined as a function of system parameters, such as blower speed, blower diameter, system volume airflow rate, and / or blower motor torque. The determined static pressure can be used during HVAC installation and during HVAC monitoring and maintenance.
Owner:CARRIER CORP
Electro-mechanical surgical device
An electro-mechanical surgical device includes: a housing; an elongated shaft extending from the housing, a distal end of the elongated shaft being detachably coupleable to a surgical instrument; at least two axially rotatable drive shafts disposed within the elongated shaft, a distal end of each of the drive shafts being configured to couple with the surgical instrument; a steering cable arrangement, the steering cable arrangement being configured to steer the distal end of the elongated shaft; and a motor system disposed within the housing, the motor system being configured to drive the drive shafts and the steering cable arrangement. A control system may be provided for controlling the motor system. A remote control unit may also be provided for controlling the motor system via the control system. Sensors, such as optical of Hall-effect devices, may be provided for determining the position of the elements of the surgical instrument based on the detected rotation of the drive shafts. A memory unit stores a plurality of operating programs or algorithms, each corresponding to a type of surgical instrument attachable to the electro-mechanical surgical device. The control system reads or selects from the plurality of operating programs or algorithms, the operating program or algorithm corresponding to the type of surgical instrument attached to the electro-mechanical surgical device.
Owner:TYCO HEALTHCARE GRP LP
Integrated electric motor and drive, optimized for high-temperature operation
InactiveUS20060158049A1Improve performanceImprove heat transfer performanceAssociation with control/drive circuitsMagnetic circuit rotating partsHeat sensitiveControl theory
The heat-generating components of an integrated motor system are disposed proximate the motor body, for efficient heat dissipation, and the heat-sensitive components are segregated therefrom, physically and thermally.
Owner:ORIENTAL MOTOR BOSTON TECH GROUP
System and method for correcting for pressure variations using a motor
Owner:ENTEGRIS INC
AGV robot guide deviation correction method
InactiveCN104407615AReduced probability of losing posesGuidance deviation correction method is simplePosition/course control in two dimensionsCommunications systemGeolocation
The invention relates to an AGV robot guide deviation correction method and belongs to the robot technology field. The AGV robot guide deviation correction method comprises steps that: step 1, Nth two-dimensional code label information and Nth RFID label information are employed; step 2, the Nth two-dimensional code label information and the Nth RFID label information are read and analyzed; step 3, the present geographic position of a robot is determined; step 4, a deviation state of the robot is determined, if the deviation state does not exist, the step 1 restarts; step 5, a path of the robot is adjusted to control a servo motor system for correcting a walking direction of the robot, after correction, when the robot walks to an N+1 two-dimensional code label or an N+1 RFID label, the step 1 restarts. The guide deviation correction method is applicable to AGV robot path navigation systems including multiple two-dimensional code labels, multiple RFID labels, a two-dimensional image acquisition system, an RFID reading system, a servo motor system, a communication system and an embedded industrial control board, is simple and easy to enforce, can automatically correct the walking direction of the robot and guarantees that the robot smoothly travels along a self path.
Owner:SHANGHAI ELECTRICAL APPLIANCES RES INSTGROUP +3
Motor system, control method thereof, and compressor using the same
InactiveUS20070152624A1Simple circuitLow costElectronic commutation motor controlAC motor controlDc currentMotor system
A motor system includes a BLDC (brushless direct current) motor; an inverter driving the BLDC motor; a current detector detecting a direct current of the inverter; an induced voltage detector detecting an induced voltage of the BLDC motor; and a controller controlling at least one of an output voltage and an output frequency of the inverter based on the direct current detected by the current detector and the induced voltage detected by the induced voltage detector.
Owner:SAMSUNG ELECTRONICS CO LTD
Method and system for predicting remaining life for motors featuring on-line insulation condition monitor
A method for determining reliability and a remaining time before failure with statistical confidence for a motor system includes acquiring historical motor data in a computer system, obtaining operational parameter data, uploading the operational parameter data to the computer system, performing failure analysis, developing a causal network, and performing an integrated causal network and reliability analysis of the motor system. The historical motor data corresponds to the motor system. The operational parameter data is obtained from sensors at the motor system. The sensors include a tan delta sensor. The failure analysis is performed based on a composite of reliability probability distributions corresponding to predetermined sub-populations of historical motor system failure causes. The causal network is developed for modeling reliability of one or more motor system components and assessing motor system component condition based on the causal network. Results from the performing failure analysis are integrated with results from the assessing motor system component condition based on the causal network to compute a quantitative value for a time remaining before failure with an ascertained statistical confidence.
Owner:GENERAL ELECTRIC CO
Double-finger double-driving translation clamping type flexible grip and control method
The invention discloses a double-finger double-driving translation clamping type flexible grip and a control method. The double-finger double-driving translation clamping type flexible grip comprises double servo motor systems, double motor end synchronous pulleys, double positioning sliding guide rail systems, double ball screw systems, double screw synchronous pulleys, double finger paws, a U-shaped main rack of the grip and a main rack cover plate, wherein the coordinating fetching action of two paws is realized by the control on two servo motors. A fetching method is characterized in that the double motors are used as power, double fingers are respectively fixedly arranged on two screw guide rail synchronous switching modules, through the rotation of two synchronous toothed belts between the double motor end synchronous pulleys and the ends of the double screw end synchronous pulleys, the rotation of the motor is converted into linear motion by a screw, so that the double fingers are translated respectively along two positioning sliding guide rails, and the translation switching on and off of the double paws along double guide rail surfaces can be realized. Due to the fact that the device is used for independently driving the corresponding paws to move by the double motors, so that the double fingers can more flexibly move, and different fetching speeds can be set for the double fingers, and the position precision is high.
Owner:SHANDONG ACAD OF SCI INST OF AUTOMATION
PSC motor system for use in HVAC applications with improved start-up
InactiveUS6952088B2Single-phase induction motor startersMotor/generator/converter stoppersControl systemEngineering
A motor control system for use in heating, ventilation and air conditioning applications including a blower and a motor coupled to drive the blower, an inverter coupled to provide energization to the motor, a relay capable of coupling the motor to the output of the inverter or to line power, and a controller providing signals to control the output of the inverter, where, upon startup and transfer of the motor from the line to the inverter, the output of the inverter is controlled by the inverter to provide for an enhanced startup or transfer.
Owner:NIDEC MOTOR CORP +1
PSC motor system for use in HVAC applications with field adjustment and fail-safe capabilities
A field-adjustable motor control system includes a motor, an inverter coupled to provide energization to the motor, a controller coupled to the inverter, and a field adjustment circuit that provides field adjustment signals to the controller. The controller provides signals to control the output of the inverter in response to received input control signals and field adjustment signals. The input control signals define the controller's operating state that corresponds to a desired system operating state. The field adjustment signals and input control signals define a desired output parameter of the inverter for an operating state. In certain embodiments, fail-safe circuitry is also provided that includes a relay receiving controller signals. The relay's input is coupled to a line power and to the inverter output. The relay's output is coupled to the motor. If the controller fails, the relay couples the line power to the motor.
Owner:NIDEC MOTOR CORP +1
Brushless DC motor system and method of controlling the same
InactiveUS7141943B2Reduce a torque rippleDC motor speed/torque controlAC motor controlReference currentDc current
A brushless DC (BLDC) motor system and a method of controlling the same are provided. The BLDC motor system comprises a BLDC motor including a rotator and a stator, a plurality of switches, a DC current sensor, a position detector and a controller. The stator has a plurality of coils to which currents having different phase are applied. The switches are driven with switching pulses for switching the currents applied to the coils. The position detector detects a position change of the rotator to thereby generate a counter-electromotive force and the DC current sensor senses currents when the currents are applied from the switches to the coils. Based on a magnitude of the counter electromotive force, the controller generates a compensation voltage in order to control the switches during the commutation interval. Further, a duty ratio of the switching pulse is controlled based on the differences between the currents applied to the coils and a reference current.
Owner:KOREA INST OF SCI & TECH
Actuator and movement linkage system
ActiveUS7098619B2Negative effect is reduced and eliminatedDc network circuit arrangementsDC motor speed/torque controlActuatorControl theory
An actuator and movement linkage system for moving a load, such as a control surface of aircraft, in relation to a carrying structure includes an electric motor system, an actuator device connectable or connected to the load to move the load, the actuator device connected to the electric motor system to be driven thereby, and transfer units provided for mechanically connecting the actuator device to move the load. Fault tolerant and release devices are provided both in the electrical motor system and in the actuator device to make the actuator and movement linkage system fault tolerant to at least single faults in the actuator and movement linkage system,
Owner:STRIDSBERG LICENSING
Method and system for predicting remaining life for motors featuring on-line insulation condition monitor
A method and a system for determining a remaining time before failure of a motor system are provided. The method and the system determine the remaining time before failure based on historical motor data and operational parameter data associated with the motor system.
Owner:GENERAL ELECTRIC CO
Resonant motor system
InactiveUS6847186B1Single-phase induction motor startersElectronic commutation motor controlCapacitanceEngineering
In a resonant motor system, an electrical motor having a stator with one or more windings, a rotor which may or may not be wound, and an air gap between the stator and the rotor for storing magnetic energy such that the motor exhibits a definite electrical inductance may be deployed with a drive combination including a capacitance connected in series with the inductance of the motor to form an LCR circuit therewith. Phased provision of DC power to the LCR circuit causes the circuit to oscillate, which excites the motor. The DC power is provided in synchronism with the rotation of the rotor in order to maximize torque produced by the motor.
Owner:PRATT & WHITNEY POWER SYST +1
Test stand system of electric automobile driving motor
ActiveCN101650410AImprove test accuracyImprove system efficiencyVehicle testingDynamo-electric machine testingReduction driveDynamometer
The invention relates to a test stand system of an electric automobile driving motor, which comprises a dynamometer system and a measured motor system, a speed reducer is installed between the dynamometer system and the measured motor system and used for adjusting the rotary speed of the measured motor in the measured motor system, the electricity of the dynamometer and the measured motor is respectively supplied by two sets of power supplies, a stand motor is arranged in a feedback electric network at an alternating current end, the measured motor can have a wider voltage range, and the standsystem has high efficiency and can carry out hardware-in-loop test for electric automobile power assemblies.
Owner:SHANGHAI SICAR VEHICLE TECH DEV
Ice cream machine with specialized motor
A motor system can be provided for a tank for mixing and chilling ice cream. The motor system includes a variable speed motor having a speed control. The speed control can be utilized to operate the motor in a forward or reversed speed or across a spectrum of more than two forward speeds. The motor can drive an auger. The auger can be operated in reverse to add semi-solid or solid inclusions to ice cream mix. The inclusions can be added through an aperture at the output of the tank. Appropriate time for discharge can be determined by time, temperature, or amperage.
Owner:VOLLRATH
Method for detecting rotor position in non position sensor switch magnetic resistance motor
InactiveCN101436843AReduce manufacturing costReduce production processDevices using electric/magnetic meansElectronic commutatorsMotor controlHome appliance
The invention provides a method for detecting rotor position of a switch reluctance motor without a position sensor, and belongs to the field of motor control. The invention aims at solving the problems existing in the prior method for indirectly detecting the rotor position that resisting moment and moment harmonic components occur in the motor rotor so that the efficiency of a motor system is reduced. The method comprises the following steps: 1, winding current i and busbar voltage U are sampled; and 2, according to the winding current in step one, instantaneous inductance (L) of the winding is acquired, and by looking up the winding instantaneous inductance (L) and rotor angle relation table, the rotor position is acquired. The method can lower manufacturing process of the switch reluctance motor, and has good application prospect in oil fields, coal mines, elevators, home appliances and the like.
Owner:HARBIN INST OF TECH
System for controlling e-4wd hybrid electricity vehicle and method thereof
InactiveUS20140121870A1Reduce fuel consumptionEfficiently distributedHybrid vehiclesDigital data processing detailsElectricityBrake torque
Disclose is a control system of an E-4WD hybrid electric vehicle that includes a first controller that controls a first driving portion disposed on a front axle and a second driving portion disposed on a rear axle. A second controller is connected to the first controller and configured to maintain a predetermined target speed. A third controller controls a braking torque through the first controller and the fourth controller detects / monitors conditions in front of the vehicle and performs deceleration through the third controller. A fifth controller controls the driving torque of a motor system. In particular, the first controller distributes driving torque for realizing a target deceleration / acceleration value based on the deceleration / acceleration information of the second controller and the fourth controller to the first driving portion and the second driving portion to control a driving torque and a regenerative braking torque thereof.
Owner:HYUNDAI MOTOR CO LTD
Four-footed walking robot in compound driving mode
InactiveCN101758867AReduce gravityAddress lack of motivationVehiclesRoad surfaceInternal combustion engine
The invention discloses a four-footed walking robot platform which is provided with a driving power via cam rigidity by an internal-combustion engine and is provided with a swerving power by a servo motor system and the balanced stance of which is regulated. A compound driving mode is established by finding a high efficient walking mode of combining the power technique of current car, tank and tractor with the technique of modern computer and robot technique based on the research result of the current multi-footed robot. 99% of driving power for the robot straightly walking on flat road is provided by the internal-combustion engine. When rugged road appears or the robot needs to swerve, the motor system regulates the balanced stance and finishes the swerving task. The robot of the invention not only can decrease the power of the motor system, lighten the self-weight, lower the use frequency of the motor system and prolong the service life of a screw rod, but also can completely imitate the four-footed animals, can realize continuous, smooth, stable, powerful and efficient walking and can continuously work for a long time in a complex environment.
Owner:常爱军
Braking energy recovery self-adaptive control method of electric automobile
The invention provides a braking energy recovery self-adaptive control method of an electric automobile. The braking energy recovery self-adaptive control method comprises the following steps that after a braking pedal of the electric automobile is treadpedaled, a vehicle controller judges whether a battery is in fault or not according to voltage and current of the existing battery fed back by a battery management system so as to determine the charge power of the battery; a charge torque value is acquired according to the charge power and a rotation speed of a motor; the vehicle controller determines a maximum allowable braking torque value according to the temperature of the motor and the rotation speed of the motor; an energy recovery torque value of a braking system is acquired according to the charge torque value and the maximum allowable braking torque value; an angle sensor acquires a moment coefficient value K; a feedback torque value of the motor is acquired by multiplying the moment coefficient value K by the energy recovery torque value of the braking system; and the vehicle controller controls the recovered current generated when the electric automobile is braked according to the feedback torque value of the motor so as to finish the control ion braking energy recovery. The braking energy recovery self-adaptive control method of the electric automobile, disclosed by the invention, has the advantages of being compatible considering both of a power battery and a motor system, enabling braking recovery current to be controllable and improving the driving range of the electric automobile.
Owner:SOUEAST
Electronic bike integrated supplemental motor system
An integrated supplemental motor system for e-bikes incorporates a motor stator carried by a fixed axle with a torroidal cavity surrounding the axle. A motor rotor for interaction with the stator is supported by a motor casing rotatable on a plurality of bearings carried by the fixed axle. A torque member is concentrically carried within the torroidal cavity and has a first attachment engaged to a gear cluster for force input and a second resilient attachment for engagement to the motor casing. The torque member is urged by the gear cluster from a first no force position resiliently through a range of motion to a second maximum force position. A first element connected to the torque member has a set of first signal generation interfaces and a second element connected to the motor case has an equal set of second signal generation interfaces. The first and second signal generation interfaces are spaced in relation to the range of motion of the torque member. A sensor detects the consecutive first and second signal generation interfaces. A controller connected to the sensor receives a speed input and an effort input and provides a stator actuation current proportional to the spacing of the detected first and second signal generation interfaces.
Owner:RUBEN MURRAY
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