Technical Specification and Standards

The system should contain the following training program:

•  DC permanent magnets motor: general notions and mathematical modelization

• Electrical and mechanical characteristics

• Detection of the characteristics of the armature reaction of aDC motor

• Detection of the characteristics of an optoelectronic speed transducer

• Detection of the characteristics of a tacho-generator of industrial kind

• Detection of the characteristics of a potentiometric transducer of industrial kind

Study and calibration of the signal conditioners for:

• Tacho-generator

• Armature feedback

• Optoelectronic transducer

• Potentiometric transducer

• Study of the response of Proportional, Integrative and Derivative controllers at different input signals

• Speed servomechanisms with DC motor

• Position servomechanism with DC motor

• DC/DC MOSFET converter for 4-quadrant operation

• Driver for the MOSFETs of the DC/DC converter

• PWM modulation for driving the DC/DC converter

• Process response using a controller with independent actions:

• Proportional

• Integrative

• Derivative

• Control of the maximum armature current;

• System response at variation of the braking load;

• Analysis and use of the supervision software with Personal Computer

Technical Specifications:

• Front panel in insulating material, with silk screen printed diagram of the different circuit blocks of the module and electrical diagram of each circuit;

Terminals for the connections and measurements;

• Tachymetric transducer should be fitted to the motor axis;

• Signal conditioner for matching the voltage levels;

• action. Characteristics of the speed and conditioner transducer:

• Speed input range: ±4000 r.p.m. or higher

• Output voltage range: ±8 V or higher

• Optoelectronic transducer;

• Signal conditioner with indication on 7-segment and at least 4-digit display of the rotation speed (r.p.m.);

• Potentiometric transducer;

• Signal conditioner for potentiometric transducer. Characteristics of the position and conditioner transducer

• Position input range: 0 – 360°

• Output voltage range: ±8 V or higher

• Reference voltage generator (Set-point) with integrated stabilizer

• 2 Error amplifiers for double loop controls (position + speed);

• 1 Rotary potentiometer for setting the speed and position setpoints;

• PID controller with P, I, D independent actions;

• 3 Potentiometers for independent setting of the P, I, and D parameters, with wide regulation margins;

• Limit circuit for the armature current;

• DC/DC converter, 4-MOSFET “H-bridge” configuration;

• 4 Drivers for the MOSFET;

• 8-pole DIN cable with socket for the connection to an external unit mod. TY36A/EV;

• 8-pole DIN cable.

External Unit for Speed and Position: The external unit should be composed of:

• Metal support base;

• DC permanent magnet motor; Item No. Name of Item Technical Specification and Standards

• Epicycloidal planetary gearing;

• Tacho-generator fixed to the motor axis;

• Optoelectronic transmission sensor;

• Transparent and opaque disk for fork optoelectronic

• Transducer;

• Potentiometric transducer;

• Angular position indicator for the angular position;

• Braking device.

Characteristics of the DC permanent magnet motor should be:

• Rotation speed: 4000 RPM or higher

• Nominal voltage: 24 V or higher

• Armature resistance, Ra: 5.5 Ohm;

• Armature inductance La: 2.8 mH;

• Constructional form: B14;

• Permanent magnets: ferrites;

• Insulation: class F;

• Weight: Min. 5 kg.

Power Supply Unit:

• Protection with fuse.

• Voltage indicator LED.

• The minimum supplied voltages should be:

• Output S1: +30 Vdc – 4A

• Output S2: 24 Vac – 4A

• Output S3: +5 Vdc – 2A

• Output S4: +12 Vdc – 2A, -12 Vdc – 1A

• Output S5: 1.3 Vdc – 24 Vdc, 1A

• Output on DIN connector: 24 Vac – 0 – 24 Vac, 0.5A

• Power source: 230 Vac 50 Hz single-phase - 200 VA

• Dimensions: Minimum 415 x 185 x 195 mm

• Weight: At least 8 kg

Box Module:

• Support for housing the experimental modules.

• Can be fixed to the frame by a “Plug-in” system.

Personal Computer Interface with Data Acquisition Software:

• Analogue inputs:

• 16 Single-ended / AD 12-bit converter

• Voltage range: ±10Vdc or higher

• Protection against over-voltages

• Analogue outputs:

• 2 Single-ended / AD 8-bit converter

• Voltage range: ±10Vdc ±1.5%

• Digital I/O:

• 8 TTL input channels

• 8 TTL output channels

• Counters:

• 1 TTL channel

• USB-powered, current absorption < 100 mA, auto-calibration and initial auto-reset

• Maximum conversion frequency: 10 kHz or higher

• Accessories:

• USB Connection cable

• USB Driver, microcontroller firmware, DLL with API components for the development of interface software for specific applications.

Standard Accessories: The equipment / instrument which are required to carry out the required experiment should come under standard accessories. The following accessories should be supplied along with this equipment: o Storage case/box

Technical Specification and Standards

The system should contain the following training program:

•  DC permanent magnets motor: general notions and mathematical modelization

• Electrical and mechanical characteristics

• Detection of the characteristics of the armature reaction of aDC motor

• Detection of the characteristics of an optoelectronic speed transducer

• Detection of the characteristics of a tacho-generator of industrial kind

• Detection of the characteristics of a potentiometric transducer of industrial kind

Study and calibration of the signal conditioners for:

• Tacho-generator

• Armature feedback

• Optoelectronic transducer

• Potentiometric transducer

• Study of the response of Proportional, Integrative and Derivative controllers at different input signals

• Speed servomechanisms with DC motor

• Position servomechanism with DC motor

• DC/DC MOSFET converter for 4-quadrant operation

• Driver for the MOSFETs of the DC/DC converter

• PWM modulation for driving the DC/DC converter

• Process response using a controller with independent actions:

• Proportional

• Integrative

• Derivative

• Control of the maximum armature current;

• System response at variation of the braking load;

• Analysis and use of the supervision software with Personal Computer

Technical Specifications:

• Front panel in insulating material, with silk screen printed diagram of the different circuit blocks of the module and electrical diagram of each circuit;

Terminals for the connections and measurements;

• Tachymetric transducer should be fitted to the motor axis;

• Signal conditioner for matching the voltage levels;

• action. Characteristics of the speed and conditioner transducer:

• Speed input range: ±4000 r.p.m. or higher

• Output voltage range: ±8 V or higher

• Optoelectronic transducer;

• Signal conditioner with indication on 7-segment and at least 4-digit display of the rotation speed (r.p.m.);

• Potentiometric transducer;