(19)
(11) EP 1 116 196 A1

(12)

(43) Date of publication:
18.07.2001 Bulletin 2001/29

(21) Application number: 99945432.5

(22) Date of filing: 02.09.1999
(51) International Patent Classification (IPC)7G08C 19/40, G05B 19/33
(86) International application number:
PCT/US9920/148
(87) International publication number:
WO 0014/696 (16.03.2000 Gazette 2000/11)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 03.09.1998 US 99030 P

(71) Applicant: Aspen Motion Technologies, Inc.
Radford, VA 24141 (US)

(72) Inventors:
  • PIEDL, Martin
    Blacksburg, VA 24060 (US)
  • BARANI, Moe, K.
    Radford, VA 24141 (US)
  • FLANARY, Ron
    Blacksburg, VA 24060 (US)

(74) Representative: Bloch, Gérard 
Bloch & AssociésConseils en Propriété Industrielle2 Square de l'Avenue du Bois
75116 Paris
75116 Paris (FR)

   


(54) CLOSED LOOP CONTROL OF MOTOR POSITION AND VELOCITY