Constant temperature control device for ultrasonic crusher and control method thereof
A technology of constant temperature control and ultrasonic crushing, applied in temperature control, control/regulation system, non-electric variable control, etc., can solve the problems of low control accuracy and complex operation in a constant temperature environment, achieve strong anti-interference ability and broad application prospects and commercial value, the effect of simple operation
Inactive Publication Date: 2017-08-11
CONPROFE TECH GRP CO LTD +1
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[0022] Taking the expected temperature of 40°C as an example, combined with figure 1 Explain the design of the fuzzy PID controller of this constant temperature device.
[0023] 1. Determine the input and output of the controller. Suppose the actual temperature of the feedback is y, and the set temperature is x=40°C, then we specify the error e=x-y and the error rate of change ec as the input language variable, and the signal quantity u of the control drive device is selected as the output language variable.
[0024] 2. Determine the quantization level, quantization factor and domain of the output and input quantities.
[0025] The quantification levels of the three linguistic variables are all 9; in this example, non-linear quantification is used, so the quantification factor is non-constant; the basic domain of the temperature deviation e is selected as {100,100}, and the domain of discourse when it is selected for fuzzification is {3,3}, the quantization factor is Ge=3 / 10...
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The invention discloses a constant temperature control device for an ultrasonic crusher and a control method thereof. The device comprises a glass reaction device having a jacket, a first temperature sensor, a second temperature sensor, a controller, a driving module, a valve motor and an electrically-operated valve. A water inlet of the glass reaction device having the jacket is connected with a water inlet pipe; the water inlet pipe is provided with the electrically-operated valve; a water outlet of the glass reaction device having the jacket is provided with the first temperature sensor; a reaction tank of the glass reaction device having the jacket is internally provided with the second temperature sensor; the signal output ends of the first temperature sensor and the second temperature sensor are connected with a signal input port of the controller; a signal output port of the controller is connected with a signal input port of the driving module; and the driving module drives the valve motor of the electrically-operated valve. The constant temperature control device can obtain faster response speed, smaller overshoot and higher anti-interference capability.
Description
technical field [0001] The invention belongs to the field of industrial automation control, in particular to a constant temperature control device and control method applied to an ultrasonic breaker. Background technique [0002] Ultrasound refers to sound waves with a frequency higher than 20,000 Hz. It is named for its lower frequency limit greater than the upper limit of human hearing. When the ultrasonic wave propagates in the medium, due to the interaction between the ultrasonic wave and the medium, the medium undergoes physical and chemical changes, resulting in a series of mechanical, thermal, electromagnetic and chemical ultrasonic effects, mainly including mechanical effects, There are 4 types of cavitation, thermal effect and chemical effect. [0003] The ultrasonic breaker converts electrical energy into sound energy through a transducer, and the energy passes through the liquid medium and becomes dense small bubbles. These small bubbles burst rapidly to produce ...
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IPC IPC(8): G05D23/20
CPCG05D23/20
Inventor 郑松席维
Owner CONPROFE TECH GRP CO LTD