{
  "$type": "site.standard.document",
  "description": "A method for controlling an electrical actuator (25) of a vehicle by means of a PWM type control; the method displays the steps of determining an objective mean current (I m_obj ) to be fed to the electrical actuator (25) during a control period (T k ); determining an objective duty-cycle (DC)…",
  "path": "/patents/1010344",
  "publishedAt": "2011-08-10T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "F02D41/3845",
    "MAGNETI MARELLI SPA [IT]"
  ],
  "textContent": "A method for controlling an electrical actuator (25) of a vehicle by means of a PWM type control; the method displays the steps of determining an objective mean current (I m_obj ) to be fed to the electrical actuator (25) during a control period (T k ); determining an objective duty-cycle (DC) which, during the control period (T k ), allows the objective mean current (I m_obj ) to be fed to the electrical actuator (25); determining the objective duty-cycle (DC) as sum of two terms, one of which in open-loop according to battery voltage, objective means current (I m_obj ) and an estimated impedance (Z) of the electrical actuator (25) and one in closed-loop which calculates the control duty-cycle according to the error between objective mean current (I m_obj ) and the mean current (I m_est ) estimated during the control period (T k ); driving during the control period (T k ), the electrical actuator (25) by applying the control voltage (V batt ) by means of the objective duty-cycle (DC); and measuring the actual value (I real ) of the current fed to the electric actuator (25) in a measuring instant (t r ) determined within the control period (T k ).",
  "title": "Method for controlling an electrical actuator of a vehicle by means of a PWM type control"
}