Resources Contact Us Home
Two degree of freedom controller

Image Number 10 for United States Patent #5195028.

A PI type 2DOF controller comprises setpoint filter for receiving a setpoint value, and outputting a control setpoint value, the setpoint filter having a transfer function which follows the setpoint value, and is expressed by the following formula: ##EQU1## where T.sub.I : an integral time, S: a Laplace operator, .alpha.: a constant which can be set between 0 and 1, and .beta.: a constant which can be set between 0 and about 10, deviation-calculating portion for calculating a deviation between the control setpoint value and a control value fed back from a controlled system, control operation portion for receiving the deviation, executing at least a PI (P: proportional, I: integral) control operation, and outputting a manipulative variable, and applying portion for applying the manipulative variable to the controlled system.

  Recently Added Patents
Mobile device mode control based on dual mapping of availability (presence) information
Communication network management system, method and program, and management computer
Vehicle lamp component
Lubricant composition
Digital video disc player
Method and apparatus for providing contention-based resource zones in a wireless network
Plants and seeds of hybrid corn variety CH089600
  Randomly Featured Patents
Slide-in building insulation system
Thermoplastic container forming method
Nozzle arrangement with inlet covering cantilevered actuator
Flexible tibial sheath
Method and system for the controlled dispensing of mercury and devices manufactured through this method
Apparatus for producing variable-play fountain sprays
Method and apparatus for decontaminating structures
Portable trouble lamp
System for displaying views of vehicle and its surroundings
Image display device, method of generating correction value of image display device, program for generating correction value of image display device, and recording medium recording program the