Control system for diesel-electric traction vehicles

• US 3,370,218 A
• Filed: 03/02/1966
• Issued: 02/20/1968
• Est. Priority Date: 03/05/1965
• Status: Expired due to Term

• Current Assignee: Peter Merz
• Original Assignee: Peter Merz
• Inventors: Merz, Peter
• Application Number:
  US04/531,189
• Time in Patent Office: 720 Days
• US Class Current: 322/15
• CPC Class Codes: B60L 2200/26 Rail vehicles
• CPC Class Codes: B60L 50/11 using DC generators and DC motors
• CPC Class Codes: B60L 50/12 using AC generators and DC motors
• CPC Class Codes: Y02T 10/64 Electric machine technologies in electromobility
• CPC Class Codes: Y02T 10/70 Energy storage systems for electromobility, e.g. batteries
• CPC Class Codes: Y02T 10/7072 Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors

Claims

1. A CONTROL SYSTEM FOR A DIESEL-ELECTRIC TRACTION VEHICLE IN WHICH SUPERCHARGED DIESEL ENGINE DRIVES A SERIESCONNECTED DIRECT CURRENT TRACTION MOTOR BY MEANS OF A GENERATOR HAVING VARIABLE EXCITATION, SAID SYSTEM COMPRISING MEANS TO GENERATE A FIRST SIGNAL REPRESENTATIVE OF ENGINE SPEED, MEANS TO GENERATE A SECOND SIGNAL, MEANS TO LIMIT THE TIME RATE OF CHANGE OF SAID SECOND SIGNAL, MEANS TO DEVELOP A THIRD SIGNAL FROM SAID FIRST SIGNAL AND FROM SAID SECOND SIGNAL LIMITED AS TO TIME RATE OF CHANGE, MEANS TO DEVELOP A FOURTH SUGBAK REPRESENTATIVE OF ENGINE SUPERCHARGING PRESSURE, FIRST VARIABLE LIMITER MEANS FOR SAID THIRD SIGNAL RESPONSIVE TO SAID FOURTH SIGNAL, SERVOMECHANISM RESPONSIVE TO SAID THIRD SIGNAL AS LIMITED BY SAID FIRST VARIABLE LIMITER MEANS TO CONTROL THE RATE OF FUEL INJECTION TO THE ENGINE, MEANS TO MODIFY SAID SECOND SIGNAL, SECOND VARIABLE LIMITING MEANS FOR SAID MODIFIED SECOND SIGNAL RESPONSIVE TO SAID FOURTH SIGNAL, MEANS TO DEVELOP FROM SAID LIMITED MODIFIED SECOND SIGNAL AND FROM SAID THIRD SIGNAL A FIFTH SIGNAL, A CONTROL AMPLIFIER HAVING ASYMMETRIC PROPORTIONAL-INTEGRAL OPERATION RECEIVING SAID FIFTH SIGNAL AS AN INPUT, AND MEANS RESPONSIVE TO THE OUTPUT FROM SAID CONTROL AMPLIFIER FOR CONTROL OF THE EXCITATION OF SAID GENERATOR.