Bard MC4000 SERIES Spezifikationen

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1
“Motorlab” Dynamics and Controls System
Mechanical
System
Detail
Interface to motion
control card
Power
supply
Motor
amplifier
Load
encoder
Motor
encoder
Brushless motor
Load
inertia
Load lock
down screw
Spring coupling
“Motorlab”
Apparatus
System Description
Below is a schematic representation of the motorlab system in a closed-loop position or velocity control
configuration. There are two position sensors on the apparatus. The position of the motor inertia is measured using
the motor encoder and the position of the load inertia is measured using the load encoder. This is done using
hardware on the DSP motion control card that counts the pulses from the encoders. Each pulse corresponds to a
certain increment of rotation. The velocities of the two inertias are measured using hardware on the MC4000
motion control card that measures the time between pulses coming from the encoders. The motor amplifier has a
control loop that measures and controls the electric current in the motor windings. This results in what is commonly
known as a “torque controlled” motor, since the magnetic torque is proportional to the current in the windings. The
DSP motion control card is interfaced to the motor amplifier through a +/-10V analog signal from a digital to analog
converter (DAC) on the card. By varying the magnitude of this voltage from the DAC the current in the motor is
varied. This voltage, which is proportional to the controlled current, serves as a current command for the current
control loop in the amplifier. An additional sensor, not shown below, is the current sensor in the amplifier. This
sensor is also read by the DSP card, using an analog to digital converter (ADC) to read the actual current measured
by the amplifier. Although this signal is not used in the control loops on the DSP card, it is recorded for data
analysis.
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Inhaltsverzeichnis

Seite 1 - Apparatus

1“Motorlab” Dynamics and Controls System Mechanical System DetailInterface to motioncontrol cardPowersupplyMotoramplifierLoadencoderMot

Seite 2

221Telephone: (781) 329-8200Fax: (781) 329-4055E-mail: [email protected]://www.copleycontrols.comCorporate Offices: 410 University Avenue

Seite 3 - Showing Gain-Change Dialog

Telephone: (781) 329-8200Fax: (781) 329-4055E-mail: [email protected]://www.copleycontrols.comCorporate Offices: 410 University Avenue

Seite 4

223Telephone: (781) 329-8200Fax: (781) 329-4055E-mail: [email protected]://www.copleycontrols.comCorporate Offices: 410 University Avenue

Seite 5 - Hardware Specifications

Telephone: (781) 329-8200Fax: (781) 329-4055E-mail: [email protected]://www.copleycontrols.comCorporate Offices: 410 University Avenue

Seite 6 - Current Control Loop Model

225Telephone: (781) 329-8200Fax: (781) 329-4055E-mail: [email protected]://www.copleycontrols.comCorporate Offices: 410 University Avenue

Seite 7

Telephone: (781) 329-8200Fax: (781) 329-4055E-mail: [email protected]://www.copleycontrols.comCorporate Offices: 410 University Avenue

Seite 9

Data Sheet for the MC4000 DSP Motion Control Card

Seite 10 - Recognized Component

The is Precision MicroDynamics’ multi-axis, PCI-Bus motion control DSP board. It is idealfor both Original Equipment Manufacturers (OEMs) and Test and

Seite 11 - DC Brushless Servo Amplifier

HardwareMC4000-PRO OverviewDigital Signal ProcessorNonvolatile MemoryQuadrature EncodersAnalogDigitalSYNC and WDOGThe is a DSP-based motion control bo

Seite 12

2 Several different configurations of the system can be utilized in experiments. Either sensor, the motor or load encoder, can be used for the feed

Seite 13

Pin-outsPreload in hardware by index pulse or by software registerEach encoder axis input configurable for differential orsingle ended terminationPowe

Seite 14 - TECHNICAL SPECIFICATIONS

Ordering InformationRepresentative's Information#3-512 FrancesAvenue • Victoria • B.C.Canada •V8Z 1A1Tel. 250-382-7249 • Fax.250-382-1830Web. htt

Seite 15 - OTHER BRUSHLESS AMPLIFIERS

3 This is the velocity control program. The feedback sensors (encoders) are used to close the velocity control loop. The DAC output from the motio

Seite 16

4Data Acquisition When the “Store Data” button is pressed in the host GUI the software stores data from the dynamic system in a circular buffer. T

Seite 17 - Control Card

5Hardware Specifications Important Scaling Considerations • Motor Amplifier Scaling = 1 Amp/Volt (i.e. one volt from the DAC on the MC4000 is a on

Seite 18 - PC-B M -A

6Current Control Loop Model The motor amplifier has a current control loop. As configured in the Motorlab apparatus this loop has a bandwidth of a

Seite 19 - Specifications

7 Schematic For the “Motorlab” Apparatus

Seite 21 - System Configuration

Manual for the Motor Amplifier

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