#!/usr/bin/env python # -*- coding:utf-8 -*- import wx import subprocess from os import system class BrightnessController(wx.Frame): def debug_true(self): return False def detect_display_devices(self): """Detects available displays""" connected_devs = [] xrandr_output = subprocess.check_output(’xrandr -q’‚ shell=True) lines = xrandr_output.split(’\n’) for line in lines: words = line.split(’ ’)
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PID Controller Tuning: A Short Tutorial Jinghua Zhong Mechanical Engineering‚ Purdue University Spring‚ 2006 Outline This tutorial is in PDF format with navigational control. You may press SPACE or →‚ or click the buttons in the lower right corner to move to the next slide. Clicking on the outlined items will take you directly to that section. Goals and Objectives What are we going to learn? Introduction What is a PID controller? Why do we want to learn the PID Controller? Tuning
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Introduction A proportional-integral-derivative (PID) controller is one of the most common algorithms used for control systems. It is widely used because the algorithm does not involve higher order mathematics‚ but still contains many variables. The amount of variables that are used allows the user to easily adjust the system to the desired settings. The algorithm for the PID uses a feedback loop to correct the difference between some measured value and the setpoint. It does this by calculating
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The Role of the Controller in a Modern Organization Abstract Changes in the accounting industry have forced a shift in the role of the controller within the organization. From the controller’s perspective‚ this paper will seek to identify current issues faced at The Beverage Company. We will uncover issues within internal control systems‚ investor relations‚ strategic planning‚ control of cash‚ customer credit and collections‚ inventory control‚ and provide solutions to resolving
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Assignment Week 2 APP-44 Game Controllers: Enriching the Gaming Experience Harley Kimble Longherst University
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AUTOMATIC TEMPERATURE CONTROLLED FAN H ere is a circuit through which the speed of a fan can be linearly controlled automatically‚ depending on the room temperature. The circuit is highly efficient as it uses thyristors for power control. Alternatively‚ the same circuit can be used for automatic temperature controlled AC power control. In this circuit‚ the temperature sensor used is an NTC thermistor‚ i.e. one having a negative temperature coefficient. The value of thermistor resistance at
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2.2 Definition of a Microcontroller Microcontroller‚ as the name suggests‚ are small controllers. They are like single chip computersthat are often embedded into other systems to function as processing/controlling unit. For example‚ the remote control you are using probably has microcontrollers inside that do decodingand other controlling functions. They are also used in automobiles‚ washing machines‚microwave ovens‚ toys ... etc‚ where automation is needed.The key features of microcontrollers include:
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CASE CONTEXT Rendell Company is experiencing some difficulties in implementing its modern control techniques due to the irking relationship between the divisional controller and the corporate controller. This is mainly because the loyalty of the divisional controllers rest with the divisional managers. Because of this current set-up‚ Mr Bevins believes that information regarding the divisions’ performance are not reported accurately and biased. .Mr. Bevins is interested if applying a control organization
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In order to create a stable society‚ the leaders believe that they would need to take away all human emotion. The World Controllers believed that emotion caused social unrest‚ disease‚ and war which all lead to death and suffering. The controller believes if you give people what they want immediately‚ therefore shortening desire‚ then it will eliminate emotion. By eliminating emotions‚ many of the problems in the past will go away and the society can live in harmony. The people get no say in how
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ELECTROHYDRAULIC TURBINE CONTROLLER ( EHTC ) Reference Documents: 1.MPL for Steam Turbine Doc. No. :- 41330000488(TAPP3/64110/5516/SCH) 2.Scheme for speed measurement turbine and generator Doc. No. :- 41330098204(TAPP3/64110/5512/DN) 3.Write up on LRR for MSCV and AEOR Doc. No. :- 41330000481(TAPP3/64110/5661/DN) 4.OGA of TG control desk 6610 – PL – 9 Doc. No. :- 06560000403(TAPP3/64100/5724/GA) 5.OGA of TG control desk 6610 – PL – 10 Doc. No. :- 06560000404(TAPP3/64100/5725/GA) 6.Turbine controller – CJJ01 –
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