INV_Alg-Protection
Contents
1. eme meme em meme rrr emet rse tese rne rre rnnt rse rn 5 2 2 Open Phase ee bai Ext E nino Fe Ductus uiu Ea 6 2 3 Motor Locked 7 2 4 Over Low DC Voltage 4444 000 8 2 5 IPM Protection Detection sessessssseeenm m 9 2 6 hardware over current Protection 10 27 software over current Protection 2 1 11 2 8 PFC software over voltage Protection 11 3 FLOW CHART AND FAULT CODE DEFINITION OF PROTECTION FUNCTION 12 3 1 Flow Chart of Protection Function 0 12 3 2 Definition of Fault 0 0 mmn nmn n 13 4 ADDITIONAL INFORMATION 15 LEE ddibemeEME 16 51 List of Figures and eel 16 510112 10 Page FUJITSU Protection Technology V1 0 0 Chapter 1 Introduction 1 Introd2. sssseenn 7 Figure 2 5 Motor locked detection module 00 7 Figure 2 6 Sequence diagram of motor over low voltage 8 Figure 2 7 Motor over low voltage detection module 8 Figure 2 8 Sequence diagram of IPM hardware over current detection 9 Figure 2 9 IPM hardware over current detection module 9 Figure 2 10 PFC over current detection module frame eese 10 Figure 2 11 Sequence diagram of PFC over current 10 Figure 3 1 Flow Chart of Protection Function 12 MCU AN 510112 E 10 Page 16
3. DC voltage Figure 2 9 IPM hardware over current detection module frame MCU AN 510112 E 10 Page 9 FUJITSU Protection Technology V1 0 0 Chapter 2 Principle of Motor Protection Technology 2 6 PFC hardware over current Protection Detection When running the PFC module if the current of the PFC circuit is larger than the max permitted current the PFC hardware circuit would put out a low pulse signal and trigger an interrupt to close the PFC operation The error flag PFC stop Flag for PFC module would be set to 1 Otherwise run PFC module as normal AcCurrent PFC stop Flag Parameter of hardware Figure 2 10 PFC over current detection module frame The value of The point of PFC current AcCurrent statip The time of PFC start up state Figure 2 11 Sequence diagram of PFC over current detection MCU AN 510112 E 10 Page 10 Protection Technology V1 0 0 FUJITSU Chapter 2 Principle of Motor Protection Technology 2 7 PFC software over current Protection Detection When running the PFC module if the current of the AC side is larger than the given max current in program it should stop the PFC operation and set the error flag PFC stop Flag 6 Otherwise run the PFC module as normal Attention the sequence diagram of PFC software over current protection detection is similar as the motor over current detection 2 8 PF
4. PERFORM The following document contains information on Cypress products Although the document is marked with the name Spansion and Fujitsu the company that originally developed the specification Cypress will continue to offer these products to new and existing customers Continuity of Specifications There is no change to this document as a result of offering the device as a Cypress product Any changes that have been made are the result of normal document improvements and are noted in the document history page where supported Future revisions will occur when appropriate and changes will be noted in a document history page Continuity of Ordering Part Numbers Cypress continues to support existing part numbers To order these products please use only the Ordering Part Numbers listed in this document For More Information Please contact your local sales office for additional information about Cypress products and solutions About Cypress Cypress NASDAQ CY delivers high performance high quality solutions at the heart of today s most advanced embedded systems from automotive industrial and networking platforms to highly interactive consumer and mobile devices With a broad differentiated product portfolio that includes NOR flash memories F RAM and SRAM Traveo microcontrollers the industry s only PSoC programmable system on chip solutions analog and PMIC Power Management ICs CapSense capacitive touch sensing controlle
5. C software over voltage Protection Detection When running the PFC module if the DC voltage is larger than the given max voltage in program it should stop the PFC operation and set the error flag stop Flag 5 Otherwise run the PFC module as normal Attention the sequence diagram of PFC software over DC voltage protection detection is similar as the motor over voltage detection MCU AN 510112 E 10 Page 11 FUJITSU Protection Technology V1 0 0 Chapter 3 Flow chart and fault code definition of protection function 3 Flow chart and fault code definition of protection function This chapter describes the flow chart and fault code definition of protection function 3 1 Flow Chart of Protection Function Start up Initial port and register AD offset detection DC over low voltage detection IPM over current detection PFC_startup Open phase detection Motor locked detection PFC hardware over current PFC software over current PFC over DC voltage ion Figure 3 1 Flow Chart of Protection Function MCU AN 510112 E 10 Page 12 Protection Technology V1 0 0 FUJITSU Chapter 3 Flow chart and fault code definition of protection function 3 2 Definition of Fault Code In fujitsu motor driver system the definitions of fault code can be described as Table 3 1 it also can be found in the relevant head files pmsm error type 0x00 Motor initi
6. DC voltage min_dcvoltage lasting out 1ms motor is stopped and the error flag pmsm error type for low DC voltage would be set to 1 Otherwise run motor as normal More than 1ms r max dcvoltage direct voltage min dcvoltage More thanims Figure 2 6 Sequence diagram of motor over low voltage detection direct voltage pmsm error type max dcvoltage min dcvoltage Figure 2 7 Motor over low voltage detection module frame MCU AN 510112 E 10 Page 8 Protection Technology V1 0 0 FUJITSU Chapter 2 Principle of Motor Protection Technology 2 5 IPM Protection Detection When running the motor if the hardware IPM is over hot over current or low power 15v the pin FO of the IPM would put out a low level signal Then motor is stopped right now and set pmsm status 3 Attention When the IPM is over hot only the pin FO would put out a low level signal just lies on the IPM module has the temperature detection function The manual given value of the max current for protection lies on the parameter of the current protection circuit IPM current trigger value and the ability of the anti jamming The point of IPM te Value of the IPM The point of IPM Value of the IPMc 15V 13 6V The point of low voltage The point of IPM over current Figure 2 8 Sequence diagram of IPM hardware over current detection 15V pmsm_status IPM temperetur
7. P Amplifier is detected at the power on stage If the detected middle voltage is lower than 2 5 adoffset tolerance or larger than 2 5 adoffset tolerance the program would deal with it as an error the error flag pmsm error type for AD offset would be set to 1 and motor is stopped Otherwise the program would take the real time sampling value as steady middle voltage to operation and set pmsm error type 0 and start up motor The figure of implementation of AD offset detection is as follows uphase midvol vphase midvol pmsm error type Ibus midvol adoffset tolerance Figure 2 1 AD offset detection of current sample MCU AN 510112 E 10 Page 5 FUJITSU Protection Technology V1 0 0 Chapter 2 Principle of Motor Protection Technology 2 2 Open Phase Detection Based on the difference situation open phase fault can be appeared before motor start up or motor running The first situation when in start up motor at the orientation stage it would sample the phase current pmsm isalpha at the same time based on the Q axis reference current pmsm isqref and the rotor angle pmsm theta the a axis current lose can be calculated If the sampling current value pmsm_isalpha is nearly less than 34 lose_isalpha or pmsm isalpha is larger than 5 4 lose isalpha in continuous 50ms the error flag pmsm error type for open phase would be set to 1 and motor is stopped o
8. al or normal state pmsm error type 0x01 Motor over DC voltage state pmsm error type 0x02 Motor low DC voltage state pmsm error type 0x04 Motor software over current state pmsm_error_type 0x08 Motor failed start up pmsm_error_type 0x10 Motor open phase state pmsm_error_type 0x20 No Motor pmsm_error_type 0x40 Motor AD offset fault state pmsm_error_type 0x80 Motor locked state PFC stop Flag 0 PFC initial or normal state stop Flag 1 PFC hardware over current state PFC stop Flag 5 PFC software over voltage state PFC stop Flag 6 PFC software over current state MCU AN 510112 E 10 Page 13 co FUJITSU Protection Technology V1 0 0 Chapter 3 Flow chart and fault code definition of protection function Fault Code Table 3 1 Fault Code of Protection Function Type of Fault Reason Motor initial or normal state Motor stop or normal run Motor over DC voltage state High AC input DC sample circuit fault PFC abnormity 0x0002 Motor low DC voltage state Low AC input DC sample circuit fault 0x0004 Motor software over current state Motor run abnormity current sample fault 0x0008 Motor failed start up Improper parameter hardware driver fault 0x0010 Motor open phase state Motor connected abnormity 0x0020 No Motor Motor connected abnormity 0x0040 Motor AD offset fault state AD current sample abnormit
9. c diagrams shall not be construed as license of the use or exercise of any intellectual property right such as patent right or copyright or any other right of FUJITSU SEMICONDUCTOR or any third party or does FUJITSU SEMICONDUCTOR warrant non infringement of any third party s intellectual property right or other right by using such information FUJITSU SEMICONDUCTOR assumes no liability for any infringement of the intellectual property rights or other rights of third parties which would result from the use of information contained herein The products described in this document are designed developed and manufactured as contemplated for general use including without limitation ordinary industrial use general office use personal use and household use but are not designed developed and manufactured as contemplated 1 for use accompanying fatal risks or dangers that unless extremely high safety is secured could have a serious effect to the public and could lead directly to death personal injury severe physical damage or other loss i e nuclear reaction control in nuclear facility aircraft flight control air traffic control mass transport control medical life support system missile launch control in weapon system or 2 for use requiring extremely high reliability 1 submersible repeater and artificial satellite Please note that FUJITSU SEMICONDUCTOR will not be liable against you and or any third party for any claims or damages ari
10. d prevention of over current levels and other abnormal operating conditions If any products described in this document represent goods or technologies subject to certain restrictions on export under the Foreign Exchange and Foreign Trade Law of Japan the US Export Administration Regulations or the applicable laws of any other country the prior authorization by the respective government entity will be required for export of those products Trademarks and Notice The contents of this document are subject to change without notice This document may contain information on a Spansion product under development by Spansion Spansion reserves the right to change or discontinue work on any product without notice The information in this document is provided as is without warranty or guarantee of any kind as to its accuracy completeness operability fitness for particular purpose merchantability non infringement of third party rights or any other warranty express implied or statutory Spansion assumes no liability for any damages of any kind arising out of the use of the information in this document Copyright O 2013 Spansion Inc All rights reserved Spansion the Spansion logo MirrorBit MirrorBit Eclipse ORNAND and combinations thereof are trademarks and registered trademarks of Spansion LLC in the United States and other countries Other names used are for informational purposes only and may be trademarks of their respective owners F
11. ed omegaMr avr in program is less than 1200rpm lasting out more than 500ms or the given PI target speed is larger than 2400RPM the estimated speed omegaMr avr in program is less than 600rpm lasting out more than 500ms motor is stopped right now and the error flag pmsm error type for the locked rotor would be set to 1 Otherwise run motor as normal Open loop Close loop Target speed Figure 2 4 Flow chart of motor locked detection omegaMr avr pmsm error type a jr Motor locked Target_speed detection module PO Figure 2 5 Motor locked detection module frame MCU AN 510112 E 10 Page 7 FUJITSU Protection Technology V1 0 0 Chapter 2 Principle of Motor Protection Technology 2 4 Over Low DC Voltage Detection With the influence of electrical net and PFC modul it would maybe induce the wavy DC voltage Sample DC voltage if the sampling DC voltage is larger or less than the given range of the steady DC voltage it would be deal with as a over or low DC voltage fault The details are as follows Over DC voltage protection if the real time sample DC voltage direct voltage is larger than the given max DC voltage max_dcvoltage lasting out 1ms motor is stopped and the error flag pmsm error type for over DC voltage would be set to 1 Otherwise run motor as normal Low DC voltage protection if the real time sample DC voltage direct voltage is less than the given minimal
12. rs and Wireless BLE Bluetooth Low Energy and USB connectivity solutions Cypress is committed to providing its customers worldwide with consistent innovation best in class support and exceptional system value SPANSION a Colophon The products described in this document are designed developed and manufactured as contemplated for general use including without limitation ordinary industrial use general office use personal use and household use but are not designed developed and manufactured as contemplated 1 for any use that includes fatal risks or dangers that unless extremely high safety is secured could have a serious effect to the public and could lead directly to death personal injury severe physical damage or other loss i e nuclear reaction control in nuclear facility aircraft flight control air traffic control mass transport control medical life support system missile launch control in weapon system or 2 for any use where chance of failure is intolerable i e submersible repeater and artificial satellite Please note that Spansion will not be liable to you and or any third party for any claims or damages arising in connection with above mentioned uses of the products Any semiconductor devices have an inherent chance of failure You must protect against injury damage or loss from such failures by incorporating safety design measures into your facility and equipment such as redundancy fire protection an
13. sing in connection with above mentioned uses of the products Any semiconductor devices have an inherent chance of failure You must protect against injury damage or loss from such failures by incorporating safety design measures into your facility and equipment such as redundancy fire protection and prevention of over current levels and other abnormal operating conditions Exportation release of any products described in this document may require necessary procedures in accordance with the regulations of the Foreign Exchange and Foreign Trade Control Law of Japan and or US export control laws The company names and brand names herein are the trademarks or registered trademarks of their respective owners Copyright O 2011 Fujitsu Semiconductor Design Chengdu Co Ltd All rights reserved MCU AN 510112 E 10 Page 2 Protection Technology V1 0 0 FUJITSU Contents Contents REVISION HIS TORY ii dex Ra CE FEX VERANO E RA ua Vk Con RAE 2 GON NI NMCKRERMITE 3 1 INTRODUGCTION 2 47 653212313 CE GE aa EE vada Era da a S Ea EE 4 SEE ZU rre 4 1 2 DOCUMENT Overview 2 2 0000 4 2 PRINCIPLE MOTOR PROTECTION TECHNOLOGY 5 2 1 AD Offset
14. therwise startup motor as normal The second when in running motor when the given Q axis reference current is larger than 1A If the average of current sample value is nearly less than 0 5A in continuous 200ms motor is stopped right now and the error flag pmsm error type for open phase would be set to 1 Otherwise run motor as normal Attention 1A and 0 5A are manual given which should be changed in different driver system for getting the best effect orientation Open phase detection in open loop stage Open phase detection in close loop stage Figure 2 2 Sequence diagram of motor open phase detection pmsm iu pmsm iv Detect motor state rj msm error type Detect three phase state pmsm iw Figure 2 3 Motor open phase detection module frame MCU AN 510112 E 10 Page 6 Protection Technology V1 0 0 FUJITSU Chapter 2 Principle of Motor Protection Technology 2 3 Motor Locked Detection Start up motor if the motor runs in the open loop stage and the given PI target speed is no more less than 800RPM When the running time is over 1s but the estimated speed omegaMr avr in program is also less than 500rpm motor is stopped right now and the error flag omsm error type for the locked rotor would be set to 1 Otherwise run motor as normal The other situation if the motor runs in the close loop stage and the given PI target speed is larger than 3000RPM the estimated spe
15. uction 1 1 Purpose This user manual describes the operation of motor driver protection technology based on the FUJITSU FMS 32 bits in MB9AF112L Series This user manual describes FUJITSU protection solution for permanent magnet DC motor driver which includes motor lock detection open phase detection start up detection over current detection over voltage detection low voltage IPM protection and so on 1 2 Document Overview The rest of document is organized as the following Chapter 2 explains the principle of motor protection technology Chapter 3 explains flow chart and fault code definition of protection function Chapter 4 explains additional information Chapter 5 explains appendix MCU AN 510112 E 10 Page 4 Protection Technology V1 0 0 FUJITSU Chapter 2 Principle of Motor Protection Technology 2 Principle of Motor Protection Technology This chapter describes the item and implementation of motor protection method in details 2 1 AD Offset Detection In FUJITSU motor sampling current solution It has a steady middle level voltage 2 5V which needs to detect before motor start up each time And in the program the real time sampling middle voltage has been described as uphase_midvol midvol in dual resistance sampling system or Ibus midvol in single shunt sampling system Set the range of tolerance AD offset value adoffset tolerance The current AD sampling value of the O
16. ujitsu Semiconductor Design Chengdu Co Ltd User Manual PM 3 32 BIT MICROCONTROLLER MB9AF112L SERIES PMSM PROTECTION TECHENOLOGY USER MAMUAL TM ARM ARM and Cortex M3 are the trademarks of ARM Limited in the EU and other countries FUJITSU FUJITSU Protection Technology V1 0 0 Revision History Hevision History Version Date Updated by Approved by Modifications 1 0 0 2012 1 17 Devin Zhang First Draft This manual contains 16 pages Specifications are subject to change without notice For further information please contact each office All Rights Reserved The contents of this document are subject to change without notice Customers are advised to consult with sales representatives before ordering The information such as descriptions of function and application circuit examples in this document are presented solely for the purpose of reference to show examples of operations and uses of FUJITSU SEMICONDUCTOR device FUJITSU SEMICONDUCTOR does not warrant proper operation of the device with respect to use based on such information When you develop equipment incorporating the device based on such information you must assume any responsibility arising out of such use of the information FUJITSU SEMICONDUCTOR assumes no liability for any damages whatsoever arising out of the use of the information Any information in this document including descriptions of function and schemati
17. y 0x0080 Motor locked state Motor fault Improper parameter hardware circuit fault PFC initial or normal state PFC no work or normal work PFC hardware over current state PFC run abnormity or sample fault or hardware fault PFC software over voltage state PFC run abnormity or sample fault or hardware fault PFC software over current state PFC run abnormity or sample fault or hardware fault MCU AN 510112 E 10 Page 14 Protection Technology V1 0 0 FUJITSU Chapter 4 Additional Information 4 Additional Information For more Information on FUJITSU semiconductor products visit the following websites English version address http www fujitsu com cn fsp services mcu 32bit fm3 an html Chinese version address http www fujitsu com cn fss services mcu 32bit fm3 an html MCU AN 510112 E 10 Page 15 FUJITSU Protection Technology V1 0 0 Chapter 5 Appendix 5 Appendix 5 1 List of Figures and Tables Table 3 1 Fault Code of Protection 4444 444 14 Figure 2 1 AD offset detection of current sample 00 000000 5 Figure 2 2 Sequence diagram of motor open phase detection 6 Figure 2 3 Motor open phase detection module frame 6 Figure 2 4 Flow chart of motor locked detection
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