The Experts below are selected from a list of 360 Experts worldwide ranked by ideXlab platform

Joseph L Derisi - One of the best experts on this subject based on the ideXlab platform.

  • low cost touchscreen driven programmable dual syringe pump for life science applications
    HardwareX, 2018
    Co-Authors: Valentina E Garcia, Joseph L Derisi
    Abstract:

    Abstract Syringe pumps are powerful tools able to automate routine laboratory practices that otherwise consume large amounts of manual labor time. Commercially available syringe pumps are expensive, difficult to customize, and often preset for a narrow range of operations. Here, we show how to build a programmable dual syringe pump (PDSP) that overcomes these limitations. The PDSP is driven by a Raspberry Pi paired with a stepper Motor Controller to allow maximal customization via Python scripting. The entire setup can be controlled by a touchscreen for use without a keyboard or mouse. Furthermore, the PDSP is structured around 3D printed parts, enabling users to change any component for their specific application. We demonstrate one application of the PDSP by using it to generate whole cell lysates using a cell homogenizer in an automated fashion.

  • Low-cost touchscreen driven programmable dual syringe pump for life science applications
    Elsevier, 2018
    Co-Authors: Valentina E Garcia, Jamin Liu, Joseph L Derisi
    Abstract:

    Syringe pumps are powerful tools able to automate routine laboratory practices that otherwise consume large amounts of manual labor time. Commercially available syringe pumps are expensive, difficult to customize, and often preset for a narrow range of operations. Here, we show how to build a programmable dual syringe pump (PDSP) that overcomes these limitations. The PDSP is driven by a Raspberry Pi paired with a stepper Motor Controller to allow maximal customization via Python scripting. The entire setup can be controlled by a touchscreen for use without a keyboard or mouse. Furthermore, the PDSP is structured around 3D printed parts, enabling users to change any component for their specific application. We demonstrate one application of the PDSP by using it to generate whole cell lysates using a cell homogenizer in an automated fashion. Keywords: Dual syringe pump, 3D printing, Customization, Plasmodium falciparum cell extract, Cell homogenize

F Luise - One of the best experts on this subject based on the ideXlab platform.

  • high speed drive using a slotless pm Motor
    IEEE Transactions on Power Electronics, 2006
    Co-Authors: Nicola Bianchi, Silverio Bolognani, F Luise
    Abstract:

    In high speed applications, slotless permanent magnet (PM) Motors appear an attractive solution, being almost insensitive to magneto-motive force harmonics and to pulsewidth modulation (PWM) current ripple and exhibiting lower stator iron losses and rotor losses (significant with squarewave current control). This paper illustrates advantages and drawbacks of a high speed drive using a slotlessPMMotor. The difficulties found during the realization of a 30-krpm 1-kW PM Motor prototype are also highlighted. A low-cost commercial sensorless brushless dc Motor Controller has been used to force squarewave currents without a significant PWM ripple. In order to recognize a possible unexpected rotor arrest, that is not detected by the integrated circuit, an additional control circuit has been designed to detect that anomalous condition and to restart the Motor when it occurs.

  • high speed drive using a slotless pm Motor
    Power Electronics Specialists Conference, 2004
    Co-Authors: Nicola Bianchi, Silverio Bolognani, F Luise
    Abstract:

    In high speed applications, slotless PM Motors appear an attractive solution, being almost insensitive to MMF harmonics and to PWM current ripple and exhibiting lower stator iron losses and rotor losses (significant with squarewave current control). This paper illustrates advantages and drawbacks of a high speed drive using a slotless PM Motor. The difficulties have been found during the realization of a 30-krpm 1-kW PM Motor prototype are also highlighted. A low-cost commercial sensorless BLDC Motor Controller has been used to force squarewave currents without a significant PWM ripple. In order to recognize a possible unexpected rotor arrest, that is not detected by the IC, an additional control circuit has been designed to detect that anomalous condition and to restart the Motor when it occurs.

Sergio Gonzalez - One of the best experts on this subject based on the ideXlab platform.

Nicola Bianchi - One of the best experts on this subject based on the ideXlab platform.

  • high speed drive using a slotless pm Motor
    IEEE Transactions on Power Electronics, 2006
    Co-Authors: Nicola Bianchi, Silverio Bolognani, F Luise
    Abstract:

    In high speed applications, slotless permanent magnet (PM) Motors appear an attractive solution, being almost insensitive to magneto-motive force harmonics and to pulsewidth modulation (PWM) current ripple and exhibiting lower stator iron losses and rotor losses (significant with squarewave current control). This paper illustrates advantages and drawbacks of a high speed drive using a slotlessPMMotor. The difficulties found during the realization of a 30-krpm 1-kW PM Motor prototype are also highlighted. A low-cost commercial sensorless brushless dc Motor Controller has been used to force squarewave currents without a significant PWM ripple. In order to recognize a possible unexpected rotor arrest, that is not detected by the integrated circuit, an additional control circuit has been designed to detect that anomalous condition and to restart the Motor when it occurs.

  • high speed drive using a slotless pm Motor
    Power Electronics Specialists Conference, 2004
    Co-Authors: Nicola Bianchi, Silverio Bolognani, F Luise
    Abstract:

    In high speed applications, slotless PM Motors appear an attractive solution, being almost insensitive to MMF harmonics and to PWM current ripple and exhibiting lower stator iron losses and rotor losses (significant with squarewave current control). This paper illustrates advantages and drawbacks of a high speed drive using a slotless PM Motor. The difficulties have been found during the realization of a 30-krpm 1-kW PM Motor prototype are also highlighted. A low-cost commercial sensorless BLDC Motor Controller has been used to force squarewave currents without a significant PWM ripple. In order to recognize a possible unexpected rotor arrest, that is not detected by the IC, an additional control circuit has been designed to detect that anomalous condition and to restart the Motor when it occurs.

Valentina E Garcia - One of the best experts on this subject based on the ideXlab platform.

  • low cost touchscreen driven programmable dual syringe pump for life science applications
    HardwareX, 2018
    Co-Authors: Valentina E Garcia, Joseph L Derisi
    Abstract:

    Abstract Syringe pumps are powerful tools able to automate routine laboratory practices that otherwise consume large amounts of manual labor time. Commercially available syringe pumps are expensive, difficult to customize, and often preset for a narrow range of operations. Here, we show how to build a programmable dual syringe pump (PDSP) that overcomes these limitations. The PDSP is driven by a Raspberry Pi paired with a stepper Motor Controller to allow maximal customization via Python scripting. The entire setup can be controlled by a touchscreen for use without a keyboard or mouse. Furthermore, the PDSP is structured around 3D printed parts, enabling users to change any component for their specific application. We demonstrate one application of the PDSP by using it to generate whole cell lysates using a cell homogenizer in an automated fashion.

  • Low-cost touchscreen driven programmable dual syringe pump for life science applications
    Elsevier, 2018
    Co-Authors: Valentina E Garcia, Jamin Liu, Joseph L Derisi
    Abstract:

    Syringe pumps are powerful tools able to automate routine laboratory practices that otherwise consume large amounts of manual labor time. Commercially available syringe pumps are expensive, difficult to customize, and often preset for a narrow range of operations. Here, we show how to build a programmable dual syringe pump (PDSP) that overcomes these limitations. The PDSP is driven by a Raspberry Pi paired with a stepper Motor Controller to allow maximal customization via Python scripting. The entire setup can be controlled by a touchscreen for use without a keyboard or mouse. Furthermore, the PDSP is structured around 3D printed parts, enabling users to change any component for their specific application. We demonstrate one application of the PDSP by using it to generate whole cell lysates using a cell homogenizer in an automated fashion. Keywords: Dual syringe pump, 3D printing, Customization, Plasmodium falciparum cell extract, Cell homogenize