ASR M08-B設(shè)置軟件 V3.2 arduino 2560+ASRM08-B測試程序 arduino UNO+ASRM08-B測試程序語音控制臺燈電路圖及C51源碼(不帶校驗(yàn)碼) 繼電器模塊設(shè)置。 ASR M08-B是一款語音識別模塊。首先對模塊添加一些關(guān)鍵字,對著該模塊說出關(guān)鍵字,串口會(huì)返回三位的數(shù),如果是返回特定的三位數(shù)字,還會(huì)引起ASR M08-B的相關(guān)引腳電平的變化。【測試】①打開“ASR M08-B設(shè)置軟件 V3.2.exe”。②選擇“串口號”、“打開串口”、點(diǎn)選“十六進(jìn)制顯示”。③將USB轉(zhuǎn)串口模塊連接到語音識別模塊上。接線方法如下:語音模塊TXD --> USB模塊RXD語音模塊RXD --> USB模塊TXD語音模塊GND --> USB模塊GND語音模塊3V3 --> USB模塊3V3(此端為3.3V電源供電端。)④將模塊的開關(guān)撥到“A”端,最好再按一次上面的大按鈕(按一次即可,為了確保模塊工作在正確的模式)。⑤對著模塊說“開燈”、“關(guān)燈”模塊會(huì)返回“0B”、“0A”,表示正常(注意:0B對應(yīng)返回值010,0B對應(yīng)返回值010,返回是16進(jìn)制顯示的嘛,設(shè)置的時(shí)候是10進(jìn)制設(shè)置的)。
標(biāo)簽: ASR M08-B
上傳時(shí)間: 2022-07-06
上傳用戶:aben
最新AVR32 UC3系列的uc/tcp-ip協(xié)議源代碼,包括uc/osii的移植和源代碼。文件比較多,壓縮后有8M,請耐心下載。
上傳時(shí)間: 2014-08-09
上傳用戶:515414293
/* ********************************************************************************************************* * uC/TCP-IP V2 * The Embedded TCP/IP Suite * * (c) Copyright 2003-2010; Micrium, Inc.; Weston, FL * * All rights reserved. Protected by international copyright laws. * * uC/TCP-IP is provided in source form to registered licensees ONLY. It is * illegal to distribute this source code to any third party unless you receive * written permission by an authorized Micrium representative. Knowledge of * the source code may NOT be used to develop a similar product. * * Please help us continue to provide the Embedded community with the finest * software available. Your honesty is greatly appreciated. * * You can contact us at www.micrium.com. ********************************************************************************************************* */ /* ********************************************************************************************************* * * NETWORK TCP LAYER * (TRANSMISSION CONTROL PROTOCOL) * * Filename : net_tcp.h * Version : V2.10 * Programmer(s) : ITJ ********************************************************************************************************* * Note(s) : (1) Supports Transmission Control Protocol as described in RFC #793 with the following * restrictions/constraints : * * (a) TCP Security & Precedence NOT supported RFC # 793, Section 3.6 * * (b) TCP Urgent Data NOT supported RFC # 793, Section 3.7 * 'The Communication of * Urgent Information' * * (c) The following TCP options NOT supported : * * (1) Window Scale RFC #1072, Section 2 * RFC #1323, Section 2 * (2) Selective Acknowledgement (SACK) RFC #1072, Section 3 * RFC #2018 * RFC #2883 * (3) TCP Echo RFC #1072, Section 4 * (4) Timestamp RFC #1323, Section 3.2 * (5) Protection Against Wrapped Sequences (PAWS) RFC #1323, Section 4 * * (d) #### IP-Options-to-TCP-Connection RFC #1122, Section 4.2.3.8 * Handling NOT supported * * (e) #### ICMP-Error-Message-to-TCP-Connection RFC #1122, Section 4.2.3.9 * Handling NOT currently supported * * (2) TCP Layer assumes/requires Network Socket Layer (see 'net_sock.h MODULE Note #1a2'). ********************************************************************************************************* */ /*$PAGE*/ /* ********************************************************************************************************* * MODULE * * Note(s) : (1) TCP Layer module is NOT required for UDP-to-Application API configuration. * * See also 'net_cfg.h TRANSPORT LAYER CONFIGURATION' * & 'net_cfg.h USER DATAGRAM PROTOCOL LAYER CONFIGURATION'. * * See also 'net_tcp.h Note #2'. * * (2) The following TCP-module-present configuration value MUST be pre-#define'd in * 'net_cfg_net.h' PRIOR to all other network modules that require TCP Layer * configuration (see 'net_cfg_net.h TCP LAYER CONFIGURATION Note #2b') : * * NET_TCP_MODULE_PRESENT ********************************************************************************************************* */ #ifdef NET_TCP_MODULE_PRESENT /* See Note #2. */ /* ********************************************************************************************************* * EXTERNS ********************************************************************************************************* */ #if ((defined(NET_TCP_MODULE)) && \ (defined(NET_GLOBALS_EXT))) #define NET_TCP_EXT #else #define NET_TCP_EXT extern #endif /*$PAGE*/ /* ********************************************************************************************************* * DEFINES ********************************************************************************************************* */ /* ********************************************************************************************************* * TCP HEADER DEFINES * * Note(s) : (1) The following TCP value MUST be pre-#define'd in 'net_def.h' PRIOR to 'net_buf.h' so that * the Network Buffer Module can configure maximum buffer header size (see 'net_def.h TCP * LAYER DEFINES' & 'net_buf.h NETWORK BUFFER INDEX & SIZE DEFINES Note #1') : * * (a) NET_TCP_HDR_SIZE_MAX 60 (NET_TCP_HDR_LEN_MAX * * NET_TCP_HDR_LEN_WORD_SIZE) * * (2) Urgent pointer & data NOT supported (see 'net_tcp.h Note #1b'). ********************************************************************************************************* */ #define NET_TCP_HDR_LEN_MASK 0xF000u #define NET_TCP_HDR_LEN_SHIFT 12u #define NET_TCP_HDR_LEN_NONE 0u #define NET_TCP_HDR_LEN_MIN 5u #define NET_TCP_HDR_LEN_MAX 15u #define NET_TCP_HDR_LEN_WORD_SIZE CPU_WORD_SIZE_32 #define NET_TCP_HDR_SIZE_MIN (NET_TCP_HDR_LEN_MIN * NET_TCP_HDR_LEN_WORD_SIZE) #if 0 /* See Note #1a. */ #define NET_TCP_HDR_SIZE_MAX (NET_TCP_HDR_LEN_MAX * NET_TCP_HDR_LEN_WORD_SIZE) #endif #define NET_TCP_HDR_SIZE_TOT_MIN (NET_IP_HDR_SIZE_TOT_MIN + NET_TCP_HDR_SIZE_MIN) #define NET_TCP_HDR_SIZE_TOT_MAX (NET_IP_HDR_SIZE_TOT_MAX + NET_TCP_HDR_SIZE_MAX) #define NET_TCP_PSEUDO_HDR_SIZE 12u /* = sizeof(NET_TCP_PSEUDO_HDR) */ #define NET_TCP_PORT_NBR_RESERVED NET_PORT_NBR_RESERVED #define NET_TCP_PORT_NBR_NONE NET_TCP_PORT_NBR_RESERVED #define NET_TCP_HDR_URG_PTR_NONE 0x0000u /* See Note #2. */ /*$PAGE*/ /* ********************************************************************************************************* * TCP HEADER FLAG DEFINES * * Note(s) : (1) See 'TCP HEADER Note #2' for flag fields. * * (2) Urgent pointer & data NOT supported (see 'net_tcp.h Note #1b'). ********************************************************************************************************* */ #define NET_TCP_HDR_FLAG_MASK 0x0FFFu #define NET_TCP_HDR_FLAG_NONE DEF_BIT_NONE #define NET_TCP_HDR_FLAG_RESERVED 0x0FE0u /* MUST be '0'. */ #define NET_TCP_HDR_FLAG_URGENT DEF_BIT_05 /* See Note #2. */ #define NET_TCP_HDR_FLAG_ACK DEF_BIT_04 #define NET_TCP_HDR_FLAG_PUSH DEF_BIT_03 #define NET_TCP_HDR_FLAG_RESET DEF_BIT_02 #define NET_TCP_HDR_FLAG_SYNC DEF_BIT_01 #define NET_TCP_HDR_FLAG_FIN DEF_BIT_00 #define NET_TCP_HDR_FLAG_CLOSE NET_TCP_HDR_FLAG_FIN /* ********************************************************************************************************* * TCP FLAG DEFINES ********************************************************************************************************* */ /* ------------------ NET TCP FLAGS ------------------- */ #define NET_TCP_FLAG_NONE DEF_BIT_NONE #define NET_TCP_FLAG_USED DEF_BIT_00 /* TCP conn cur used; i.e. NOT in free TCP conn pool. */ /* ------------------ TCP TX FLAGS ------------------- */ /* TCP tx flags copied from TCP hdr flags. */ #define NET_TCP_FLAG_TX_FIN NET_TCP_HDR_FLAG_FIN #define NET_TCP_FLAG_TX_CLOSE NET_TCP_FLAG_TX_FIN #define NET_TCP_FLAG_TX_SYNC NET_TCP_HDR_FLAG_SYNC #define NET_TCP_FLAG_TX_RESET NET_TCP_HDR_FLAG_RESET #define NET_TCP_FLAG_TX_PUSH NET_TCP_HDR_FLAG_PUSH #define NET_TCP_FLAG_TX_ACK NET_TCP_HDR_FLAG_ACK #define NET_TCP_FLAG_TX_URGENT NET_TCP_HDR_FLAG_URGENT #define NET_TCP_FLAG_TX_BLOCK DEF_BIT_07 /* ------------------ TCP RX FLAGS ------------------- */ #define NET_TCP_FLAG_RX_DATA_PEEK DEF_BIT_08 #define NET_TCP_FLAG_RX_BLOCK DEF_BIT_15 /*$PAGE*/ /* ********************************************************************************************************* * TCP TYPE DEFINES * * Note(s) : (1) NET_TCP_TYPE_&&& #define values specifically chosen as ASCII representations of the TCP * types. Memory displays of TCP types will display with their chosen ASCII names. ********************************************************************************************************* */ /* ------------------ NET TCP TYPES ------------------- */ #if (CPU_CFG_ENDIAN_TYPE == CPU_ENDIAN_TYPE_BIG) #define NET_TCP_TYPE_NONE 0x4E4F4E45u /* "NONE" in ASCII. */ #define NET_TCP_TYPE_CONN 0x54435020u /* "TCP " in ASCII. */ #else #if (CPU_CFG_DATA_SIZE == CPU_WORD_SIZE_32) #define NET_TCP_TYPE_NONE 0x454E4F4Eu /* "NONE" in ASCII. */ #define NET_TCP_TYPE_CONN 0x20504354u /* "TCP " in ASCII. */ #elif (CPU_CFG_DATA_SIZE == CPU_WORD_SIZE_16) #define NET_TCP_TYPE_NONE 0x4F4E454Eu /* "NONE" in ASCII. */ #define NET_TCP_TYPE_CONN 0x43542050u /* "TCP " in ASCII. */ #else /* Dflt CPU_WORD_SIZE_08. */ #define NET_TCP_TYPE_NONE 0x4E4F4E45u /* "NONE" in ASCII. */ #define NET_TCP_TYPE_CONN 0x54435020u /* "TCP " in ASCII. */ #endif #endif /* ********************************************************************************************************* * TCP SEQUENCE NUMBER DEFINES * * Note(s) : (1) TCP initial transmit sequence number is incremented by a fixed value, preferably a large * prime value or a large value with multiple unique factors. * * (a) One reasonable TCP initial transmit sequence number increment value example : * * 65527 = 37 * 23 * 11 * 7 * * * #### NET_TCP_TX_SEQ_NBR_CTR_INC could be developer-configured in 'net_cfg.h'. * * See also 'NET_TCP_TX_GET_SEQ_NBR() Notes #1b2 & #1c2'. ********************************************************************************************************* */ #define NET_TCP_SEQ_NBR_NONE 0u #define NET_TCP_ACK_NBR_NONE NET_TCP_SEQ_NBR_NONE #define NET_TCP_TX_SEQ_NBR_CTR_INC 65527u /* See Note #1. */ #define NET_TCP_ACK_NBR_DUP_WIN_SIZE_SCALE 4 /*$PAGE*/ /* ********************************************************************************************************* * TCP DATA/TOTAL LENGTH DEFINES * * Note(s) : (1) (a) TCP total length #define's (NET_TCP_TOT_LEN) relate to the total size of a complete * TCP packet, including the packet's TCP header. Note that a complete TCP packet MAY * be fragmented in multiple Internet Protocol packets. * * (b) TCP data length #define's (NET_TCP_DATA_LEN) relate to the data size of a complete * TCP packet, equal to the total TCP packet length minus its TCP header size. Note * that a complete TCP packet MAY be fragmented in multiple Internet Protocol packets. ********************************************************************************************************* */ /* See Notes #1a & #1b. */ #define NET_TCP_DATA_LEN_MIN 0u #define NET_TCP_TOT_LEN_MIN (NET_TCP_HDR_SIZE_MIN + NET_TCP_DATA_LEN_MIN) #define NET_TCP_TOT_LEN_MAX (NET_IP_TOT_LEN_MAX - NET_IP_HDR_SIZE_MIN ) #define NET_TCP_DATA_LEN_MAX (NET_TCP_TOT_LEN_MAX - NET_TCP_HDR_SIZE_MIN) /*$PAGE*/ /* ********************************************************************************************************* * TCP SEGMENT SIZE DEFINES * * Note(s) : (1) (a) RFC # 879, Section 3 states that the TCP Maximum Segment Size "counts only * data octets in the segment, ... not the TCP header or the IP header". * * (b) RFC #1122, Section 4.2.2.6 requires that : * * (1) "The MSS value to be sent in an MSS option must be less than or equal to * * (A) MMS_R - 20 * * where MMS_R is the maximum size for a transport-layer message that can * be received." * * (2) "If an MSS option is not received at connection setup, TCP MUST assume a * default send MSS of 536 (576 - 40)." * * See also 'net_ip.h IP DATA/TOTAL LENGTH DEFINES Note #1'. ********************************************************************************************************* */ /* See Note #1. */ #define NET_TCP_MAX_SEG_SIZE_DFLT (NET_IP_MAX_DATAGRAM_SIZE_DFLT - NET_IP_HDR_SIZE_MIN - NET_TCP_HDR_SIZE_MIN) #define NET_TCP_MAX_SEG_SIZE_DFLT_RX NET_TCP_DATA_LEN_MAX /* See Note #1b1. */ #define NET_TCP_MAX_SEG_SIZE_DFLT_TX NET_TCP_MAX_SEG_SIZE_DFLT /* See Note #1b2. */ #define NET_TCP_MAX_SEG_SIZE_NONE 0u #define NET_TCP_MAX_SEG_SIZE_MIN NET_TCP_MAX_SEG_SIZE_DFLT #define NET_TCP_MAX_SEG_SIZE_MAX NET_TCP_DATA_LEN_MAX #define NET_TCP_SEG_LEN_MIN NET_TCP_DATA_LEN_MIN #define NET_TCP_SEG_LEN_MAX NET_TCP_DATA_LEN_MAX #define NET_TCP_SEG_LEN_SYNC 1u #define NET_TCP_SEG_LEN_FIN 1u #define NET_TCP_SEG_LEN_CLOSE NET_TCP_SEG_LEN_FIN #define NET_TCP_SEG_LEN_ACK 0u #define NET_TCP_SEG_LEN_RESET 0u #define NET_TCP_SEG_LEN_PROBE 0u #define NET_TCP_DATA_LEN_TX_SYNC 0u #define NET_TCP_DATA_LEN_TX_FIN 0u #define NET_TCP_DATA_LEN_TX_CLOSE NET_TCP_DATA_LEN_TX_FIN #define NET_TCP_DATA_LEN_TX_ACK 0u #define NET_TCP_DATA_LEN_TX_PROBE_NO_DATA 0u #define NET_TCP_DATA_LEN_TX_PROBE_DATA 1u #define NET_TCP_DATA_LEN_TX_RESET 0u #define NET_TCP_TX_PROBE_DATA 0x00u /* ********************************************************************************************************* * TCP WINDOW SIZE DEFINES * * Note(s) : (1) Although NO RFC specifies the absolute minimum TCP connection window size value allowed, * RFC #793, Section 3.7 'Data Communication : Managing the Window' states that for "the * window ... there is an assumption that this is related to the currently available data * buffer space available for this connection". ********************************************************************************************************* */ #define NET_TCP_WIN_SIZE_NONE 0u #define NET_TCP_WIN_SIZE_MIN NET_TCP_MAX_SEG_SIZE_MIN #define NET_TCP_WIN_SIZE_MAX DEF_INT_16U_MAX_VAL /*$PAGE*/ /* ********************************************************************************************************* * TCP HEADER OPTIONS DEFINES * * Note(s) : (1) See the following RFC's for TCP options summary : * * (a) RFC # 793, Section 3.1 'Header Format : Options' * (b) RFC #1122; Sections 4.2.2.5, 4.2.2.6 * * (2) TCP option types are encoded in the first octet for each TCP option as follows : * * -------- * | TYPE | * -------- * * The TCP option type value determines the TCP option format : * * (a) The following TCP option types are single-octet TCP options -- i.e. the option type * octet is the ONLY octet for the TCP option. * * (1) TYPE = 0 End of Options List * (2) TYPE = 1 No Operation * * * (b) All other TCP options MUST be multi-octet TCP options (see RFC #1122, Section 4.2.2.5) : * * ------------------------------ * | TYPE | LEN | TCP OPT | * ------------------------------ * * where * TYPE Indicates the specific TCP option type * LEN Indicates the total TCP option length, in octets, including * the option type & the option length octets * TCP OPT Additional TCP option octets, if any, that contain the remaining * TCP option information * * The following TCP option types are multi-octet TCP options where the option's second * octet specify the total TCP option length, in octets, including the option type & the * option length octets : * * (1) TYPE = 2 Maximum Segment Size See RFC # 793, Section 3.1 'Header Format : * Options : Maximum Segment Size'; * RFC #1122, Section 4.2.2.6; * RFC # 879, Section 3 * * (2) TYPE = 3 Window Scale See 'net_tcp.h Note #1c1' * (3) TYPE = 4 SACK Allowed See 'net_tcp.h Note #1c2' * (4) TYPE = 5 SACK Option See 'net_tcp.h Note #1c2' * (5) TYPE = 6 Echo Request See 'net_tcp.h Note #1c3' * (6) TYPE = 7 Echo Reply See 'net_tcp.h Note #1c3' * (7) TYPE = 8 Timestamp See 'net_tcp.h Note #1c4' * * (3) TCP header allows for a maximum option list length of 40 octets : * * NET_TCP_HDR_OPT_SIZE_MAX = NET_TCP_HDR_SIZE_MAX - NET_TCP_HDR_SIZE_MIN * * = 60 - 20 * * = 40 * * (4) 'NET_TCP_OPT_SIZE' MUST be pre-defined PRIOR to all definitions that require TCP option * size data type. ********************************************************************************************************* */ /*$PAGE*/ #define NET_TCP_HDR_OPT_END_LIST 0u #define NET_TCP_HDR_OPT_NOP 1u #define NET_TCP_HDR_OPT_MAX_SEG_SIZE 2u #define NET_TCP_HDR_OPT_WIN_SCALE 3u #define NET_TCP_HDR_OPT_SACK_PERMIT 4u #define NET_TCP_HDR_OPT_SACK 5u #define NET_TCP_HDR_OPT_ECHO_REQ 6u #define NET_TCP_HDR_OPT_ECHO_REPLY 7u #define NET_TCP_HDR_OPT_TS 8u #define NET_TCP_HDR_OPT_PAD NET_TCP_HDR_OPT_END_LIST #define NET_TCP_HDR_OPT_LEN_END_LIST 1u #define NET_TCP_HDR_OPT_LEN_NOP 1u #define NET_TCP_HDR_OPT_LEN_MAX_SEG_SIZE 4u #define NET_TCP_HDR_OPT_LEN_WIN_SCALE 3u #define NET_TCP_HDR_OPT_LEN_SACK_PERMIT 2u #define NET_TCP_HDR_OPT_LEN_ECHO_REQ 6u #define NET_TCP_HDR_OPT_LEN_ECHO_REPLY 6u #define NET_TCP_HDR_OPT_LEN_TS 10u #define NET_TCP_HDR_OPT_LEN_SACK_MIN 6u #define NET_TCP_HDR_OPT_LEN_SACK_MAX 38u #define NET_TCP_HDR_OPT_LEN_MIN 1u #define NET_TCP_HDR_OPT_LEN_MIN_LEN 2u #define NET_TCP_HDR_OPT_LEN_MAX 38u typedef CPU_INT32U NET_TCP_OPT_SIZE; /* TCP opt size data type (see Note #4). */ #define NET_TCP_HDR_OPT_SIZE_WORD (sizeof(NET_TCP_OPT_SIZE)) #define NET_TCP_HDR_OPT_SIZE_MAX (NET_TCP_HDR_SIZE_MAX - NET_TCP_HDR_SIZE_MIN) #define NET_TCP_HDR_OPT_NBR_MIN 0u #define NET_TCP_HDR_OPT_NBR_MAX (NET_TCP_HDR_OPT_SIZE_MAX / NET_TCP_HDR_OPT_SIZE_WORD) #define NET_TCP_HDR_OPT_IX NET_TCP_HDR_SIZE_MIN /*$PAGE*/ /* ********************************************************************************************************* * TCP OPTION CONFIGURATION TYPE DEFINES * * Note(s) : (1) NET_TCP_OPT_CFG_TYPE_&&& #define values specifically chosen as ASCII representations of * the TCP option configuration types. Memory displays of TCP option configuration buffers * will display the TCP option configuration TYPEs with their chosen ASCII names. ********************************************************************************************************* */ /* ---------------- TCP OPT CFG TYPES ----------------- */ #if (CPU_CFG_ENDIAN_TYPE == CPU_ENDIAN_TYPE_BIG) #define NET_TCP_OPT_CFG_TYPE_NONE 0x4E4F4E45u /* "NONE" in ASCII. */ #define NET_TCP_OPT_CFG_TYPE_MAX_SEG_SIZE 0x4D535320u /* "MSS " in ASCII. */ #define NET_TCP_OPT_CFG_TYPE_WIN_SCALE 0x57494E20u /* "WIN " in ASCII (see 'net_tcp.h Note #1c1'). */ #define NET_TCP_OPT_CFG_TYPE_SACK_PERMIT 0x53434B50u /* "SCKP" in ASCII (see 'net_tcp.h Note #1c2'). */ #define NET_TCP_OPT_CFG_TYPE_SACK 0x5341434Bu /* "SACK" in ASCII (see 'net_tcp.h Note #1c2'). */ #define NET_TCP_OPT_CFG_TYPE_ECHO_REQ 0x45524551u /* "EREQ" in ASCII (see 'net_tcp.h Note #1c3'). */ #define NET_TCP_OPT_CFG_TYPE_ECHO_REPLY 0x4543484Fu /* "ECHO" in ASCII (see 'net_tcp.h Note #1c3'). */ #define NET_TCP_OPT_CFG_TYPE_TS 0x54532020u /* "TS " in ASCII (see 'net_tcp.h Note #1c4'). */ #else #if (CPU_CFG_DATA_SIZE == CPU_WORD_SIZE_32) #define NET_TCP_OPT_CFG_TYPE_NONE 0x454E4F4Eu /* "NONE" in ASCII. */ #define NET_TCP_OPT_CFG_TYPE_MAX_SEG_SIZE 0x2053534Du /* "MSS " in ASCII. */ #define NET_TCP_OPT_CFG_TYPE_WIN_SCALE 0x204E4957u /* "WIN " in ASCII (see 'net_tcp.h Note #1c1'). */ #define NET_TCP_OPT_CFG_TYPE_SACK_PERMIT 0x504B4353u /* "SCKP" in ASCII (see 'net_tcp.h Note #1c2'). */ #define NET_TCP_OPT_CFG_TYPE_SACK 0x4B434153u /* "SACK" in ASCII (see 'net_tcp.h Note #1c2'). */ #define NET_TCP_OPT_CFG_TYPE_ECHO_REQ 0x51455245u /* "EREQ" in ASCII (see 'net_tcp.h Note #1c3'). */ #define NET_TCP_OPT_CFG_TYPE_ECHO_REPLY 0x4F484345u /* "ECHO" in ASCII (see 'net_tcp.h Note #1c3'). */ #define NET_TCP_OPT_CFG_TYPE_TS 0x20205354u /* "TS " in ASCII (see 'net_tcp.h Note #1c4'). */ #elif (CPU_CFG_DATA_SIZE == CPU_WORD_SIZE_16) #define NET_TCP_OPT_CFG_TYPE_NONE 0x4F4E454Eu /* "NONE" in ASCII. */ #define NET_TCP_OPT_CFG_TYPE_MAX_SEG_SIZE 0x534D2053u /* "MSS " in ASCII. */ #define NET_TCP_OPT_CFG_TYPE_WIN_SCALE 0x4957204Eu /* "WIN " in ASCII (see 'net_tcp.h Note #1c1'). */ #define NET_TCP_OPT_CFG_TYPE_SACK_PERMIT 0x4353504Bu /* "SCKP" in ASCII (see 'net_tcp.h Note #1c2'). */ #define NET_TCP_OPT_CFG_TYPE_SACK 0x41534B43u /* "SACK" in ASCII (see 'net_tcp.h Note #1c2'). */ #define NET_TCP_OPT_CFG_TYPE_ECHO_REQ 0x52455145u /* "EREQ" in ASCII (see 'net_tcp.h Note #1c3'). */ #define NET_TCP_OPT_CFG_TYPE_ECHO_REPLY 0x43454F48u /* "ECHO" in ASCII (see 'net_tcp.h Note #1c3'). */ #define NET_TCP_OPT_CFG_TYPE_TS 0x53542020u /* "TS " in ASCII (see 'net_tcp.h Note #1c4'). */ #else /* Dflt CPU_WORD_SIZE_08. */ #define NET_TCP_OPT_CFG_TYPE_NONE 0x4E4F4E45u /* "NONE" in ASCII. */ #define NET_TCP_OPT_CFG_TYPE_MAX_SEG_SIZE 0x4D535320u /* "MSS " in ASCII. */ #define NET_TCP_OPT_CFG_TYPE_WIN_SCALE 0x57494E20u /* "WIN " in ASCII (see 'net_tcp.h Note #1c1'). */ #define NET_TCP_OPT_CFG_TYPE_SACK_PERMIT 0x53434B50u /* "SCKP" in ASCII (see 'net_tcp.h Note #1c2'). */ #define NET_TCP_OPT_CFG_TYPE_SACK 0x5341434Bu /* "SACK" in ASCII (see 'net_tcp.h Note #1c2'). */ #define NET_TCP_OPT_CFG_TYPE_ECHO_REQ 0x45524551u /* "EREQ" in ASCII (see 'net_tcp.h Note #1c3'). */ #define NET_TCP_OPT_CFG_TYPE_ECHO_REPLY 0x4543484Fu /* "ECHO" in ASCII (see 'net_tcp.h Note #1c3'). */ #define NET_TCP_OPT_CFG_TYPE_TS 0x54532020u /* "TS " in ASCII (see 'net_tcp.h Note #1c4'). */ #endif #endif /*$PAGE*/ /* ********************************************************************************************************* * TCP CONNECTION TIMEOUT DEFINES * * Note(s) : (1) (a) (1) RFC #1122, Section 4.2.2.13 'DISCUSSION' states that "the graceful close algorithm * of TCP requires that the connection state remain defined on (at least) one end of * the connection, for a timeout period of 2xMSL ... During this period, the (remote * socket, local socket) pair that defines the connection is busy and cannot be reused". * * (2) The following sections reiterate that the TIME-WAIT state timeout scalar is two * maximum segment lifetimes (2 MSL) : * * (A) RFC #793, Section 3.9 'Event Processing : SEGMENT ARRIVES : * Check Sequence Number : TIME-WAIT STATE' * (B) RFC #793, Section 3.9 'Event Processing : SEGMENT ARRIVES : * Check FIN Bit : TIME-WAIT STATE' * * (b) (1) RFC #793, Section 3.3 'Sequence Numbers : Knowing When to Keep Quiet' states that * "the Maximum Segment Lifetime (MSL) is ... to be 2 minutes. This is an engineering * choice, and may be changed if experience indicates it is desirable to do so". * * (2) Microsoft Corporation's Windows XP defaults MSL to 15 seconds. ********************************************************************************************************* */ /* Max seg timeout (see Note #1b) : */ #define NET_TCP_CONN_TIMEOUT_MAX_SEG_MIN_SEC ( 0u ) /* ... min = 0 seconds */ #define NET_TCP_CONN_TIMEOUT_MAX_SEG_MAX_SEC ( 2u * DEF_TIME_NBR_SEC_PER_MIN) /* ... max = 2 minutes */ #define NET_TCP_CONN_TIMEOUT_MAX_SEG_DFLT_SEC ( 15u ) /* ... dflt = 15 seconds */ #define NET_TCP_CONN_TIMEOUT_MAX_SEG_SCALAR 2u /* ... scalar (see Note #1a). */ #define NET_TCP_CONN_TIMEOUT_CONN_DFLT_SEC (120u * DEF_TIME_NBR_SEC_PER_MIN) /* Dflt conn timeout = 120 minutes */ #define NET_TCP_CONN_TIMEOUT_USER_DFLT_SEC ( 30u * DEF_TIME_NBR_SEC_PER_MIN) /* Dflt user timeout = 30 minutes */ /*$PAGE*/ /* ********************************************************************************************************* * TCP CONNECTION STATES * * Note(s) : (1) See the following RFC's for TCP state machine summary : * * (a) RFC # 793; Sections 3.2, 3.4, 3.5, 3.9 * (b) RFC #1122; Sections 4.2.2.8, 4.2.2.10, 4.2.2.11, 4.2.2.13, 4.2.2.18, 4.2.2.20 * * (2) (a) #### Additional closing-data-available state used for closing connections to allow the * application layer to receive any remaining data. * * See also 'net_tcp.c NetTCP_RxPktConnHandlerFinWait1() Note #2f5A2', * 'net_tcp.c NetTCP_RxPktConnHandlerFinWait2() Note #2f5B', * 'net_tcp.c NetTCP_RxPktConnHandlerClosing() Note #2d2B2a1B', * & 'net_tcp.c NetTCP_RxPktConnHandlerLastAck() Note #2d2A1b'. ********************************************************************************************************* */ #define NET_TCP_CONN_STATE_NONE 0u #define NET_TCP_CONN_STATE_FREE 1u #define NET_TCP_CONN_STATE_CLOSED 10u #define NET_TCP_CONN_STATE_LISTEN 20u #define NET_TCP_CONN_STATE_SYNC_RXD 30u #define NET_TCP_CONN_STATE_SYNC_RXD_PASSIVE 31u #define NET_TCP_CONN_STATE_SYNC_RXD_ACTIVE 32u #define NET_TCP_CONN_STATE_SYNC_TXD 35u #define NET_TCP_CONN_STATE_CONN 40u #define NET_TCP_CONN_STATE_FIN_WAIT_1 50u #define NET_TCP_CONN_STATE_FIN_WAIT_2 51u #define NET_TCP_CONN_STATE_CLOSING 52u #define NET_TCP_CONN_STATE_TIME_WAIT 53u #define NET_TCP_CONN_STATE_CLOSE_WAIT 55u #define NET_TCP_CONN_STATE_LAST_ACK 56u #define NET_TCP_CONN_STATE_CLOSING_DATA_AVAIL 59u /* See Note #2a. */ /* ********************************************************************************************************* * TCP CONNECTION QUEUE STATES ********************************************************************************************************* */ #define NET_TCP_RX_Q_STATE_NONE 0u #define NET_TCP_RX_Q_STATE_CLOSED 100u #define NET_TCP_RX_Q_STATE_CLOSING 101u #define NET_TCP_RX_Q_STATE_SYNC 110u #define NET_TCP_RX_Q_STATE_CONN 111u #define NET_TCP_TX_Q_STATE_NONE 0u #define NET_TCP_TX_Q_STATE_CLOSED 200u #define NET_TCP_TX_Q_STATE_CLOSING 201u #define NET_TCP_TX_Q_STATE_SYNC 210u #define NET_TCP_TX_Q_STATE_CONN 211u #define NET_TCP_TX_Q_STATE_SUSPEND 215u #define NET_TCP_TX_Q_STATE_CLOSED_SUSPEND 220u #define NET_TCP_TX_Q_STATE_CLOSING_SUSPEND 221u /*$PAGE*/ /* ********************************************************************************************************* * TCP CONNECTION CODE DEFINES **************
上傳時(shí)間: 2015-11-22
上傳用戶:the same kong
當(dāng)山>0時(shí),必然使集成運(yùn)放的輸出uo<0,從而導(dǎo)致二極管D2導(dǎo)通,D1截止,電路實(shí)現(xiàn)反相比例運(yùn)算,輸出電壓當(dāng)u<0時(shí),必然使集成運(yùn)放的輸出uo>0,從而導(dǎo)致二極管D1導(dǎo)通D2截止,R+中電流為零,因此輸出電壓uo=0。u和uo的波形如圖(b)所小如果設(shè)二極管的導(dǎo)通電壓為0.7V,集成運(yùn)放的開環(huán)差模放大倍數(shù)為50萬倍,那么為使二極管D1導(dǎo)通,集成運(yùn)放的凈輸入電壓0.7v=014×10-=145×10同理可估算出為使D2導(dǎo)通集成運(yùn)放所需的凈輸入電壓,也是同數(shù)量級。可見,只要輸入電壓u使集成運(yùn)放的凈輸入電壓產(chǎn)生非常微小的變化,就可以改變D1和D2工作狀態(tài),從而達(dá)到精密整流的目的在半波精密整流電路中,當(dāng)u>0時(shí),U=Ku(K>0),當(dāng)u<0時(shí),U=0若利用反相求和電路將-Ku與山負(fù)半周波形相加,就可實(shí)現(xiàn)全波整流。分析由A所組成的反相求和運(yùn)算電路可知,輸出電壓當(dāng)u>0時(shí),U=2u,u∞=-(-2u+u)=u;當(dāng)u<0時(shí),uo=0、想想?)uc-u;所以故此圖也稱為絕對值電路。當(dāng)輸入電壓為正弦波和三角波時(shí),電路輸出波形分別如圖所示。
標(biāo)簽: 精密整流電路
上傳時(shí)間: 2022-06-26
上傳用戶:
eeworm.com VIP專區(qū) 單片機(jī)源碼系列 48資源包含以下內(nèi)容:1. 基于AVR的PCB板雕刻機(jī)的設(shè)計(jì).zip2. SBC2440-III單板機(jī).rar3. 基于8098單片機(jī)的SPWM變頻調(diào)速系統(tǒng).zip4. Keil C51庫函數(shù)參考.zip5. 基于云計(jì)算的MCU開發(fā).zip6. 基于單片機(jī)系統(tǒng)的(24,16)循環(huán)碼編碼、譯碼方案.zip7. C8051F020.pdf8. MiniSTM32開發(fā)板-定時(shí)器中斷實(shí)驗(yàn)教程.zip9. 基于89C52的二極管特性測試器的設(shè)計(jì).zip10. 基于HITAG讀寫芯片HTRC110的讀寫設(shè)備設(shè)計(jì).zip11. Freescale MQX實(shí)時(shí)操作系統(tǒng)用戶手冊.zip12. 基于MSP430單片機(jī)的智能水位計(jì)設(shè)計(jì).zip13. MAXX9257 MAX9258芯片可編程SerDes持續(xù)時(shí)間計(jì)算.pdf14. Freescale 系列單片機(jī)常用模塊與綜合系統(tǒng)設(shè)計(jì).zip15. 基于AVR單片機(jī)的閉環(huán)控制系統(tǒng).zip16. MICROTUNE推出高性能、低成本、超小型接收器芯片.rar17. 實(shí)時(shí)單片機(jī)通訊網(wǎng)絡(luò)中的內(nèi)存管理.zip18. Mini2440啟動(dòng)代碼詳解.zip19. 單片直接驅(qū)動(dòng)數(shù)碼管的計(jì)數(shù)器程序.zip20. 利用Virtex-6控制器提升DDR SDRAM的效率.zip21. Star-Hspice特征與應(yīng)用.zip22. AVR單片機(jī)C語言實(shí)例書籍集合.zip23. 基于單片機(jī)和PSD的數(shù)制化電源.zip24. 基于PIC16F877A的混沌信號發(fā)生器的設(shè)計(jì).zip25. 基于單片機(jī)的旋轉(zhuǎn)編碼器鑒相方法.zip26. CEPARK-AVR單片機(jī)教程LCD12232液晶顯示實(shí)驗(yàn).zip27. DS34S132(TDMoP)IC與其它TDMoP器件的互操作.pdf28. PIC單片機(jī)應(yīng)用常見問答.rar29. 基于AVR的SD卡數(shù)據(jù)導(dǎo)出接口設(shè)計(jì).zip30. PICmicro中檔單片機(jī)系列參考手冊(中文資料).rar31. 常用PIC系列單片機(jī)速查表.rar32. 基于PIC18F1320微控制器的信號采集系統(tǒng).rar33. Microchip PIC系列單片機(jī)RS232通訊應(yīng)用.rar34. 基于MT8880的一鍵撥號電話系統(tǒng)設(shè)計(jì).rar35. Atmel AT89C系列單片機(jī)電路板設(shè)計(jì)指南.rar36. 基于單片機(jī)的顏色自適應(yīng)識別電路.rar37. PIC單片機(jī)應(yīng)用資料_很好的PIC單片機(jī)學(xué)習(xí)資料.rar38. 基于瑞薩電子微控制器的溫度控制系統(tǒng)設(shè)計(jì).rar39. 51單片機(jī)的靶機(jī)自動(dòng)控制系統(tǒng).rar40. 基于MSP430F1611單片機(jī)的音頻信號分析儀設(shè)計(jì).rar41. 基于MAX7219的LED數(shù)碼顯示驅(qū)動(dòng)電路設(shè)計(jì).rar42. ARM處理器的可定制MCU處理DSP算法.rar43. Broadcom推出全球第一個(gè)802.11n單芯片解決方案.rar44. 51單片機(jī)增量式PID控制算法.rar45. 基于PIC16C71的數(shù)字水溫配制閥的設(shè)計(jì).rar46. libxml編譯教程.rar47. PROG430專業(yè)MSP430單片機(jī)編程器(USB)使用說明書.pdf48. 單片機(jī)開發(fā)高手之路.rar49. 單片機(jī)幾種軟件濾波程序示例.rar50. AVR常用庫函數(shù)介紹.rar51. 基于AT89S52單片機(jī)的計(jì)算器設(shè)計(jì).rar52. 單片機(jī)C語言控制電機(jī)星三角自動(dòng)起動(dòng).rar53. 實(shí)用單片機(jī)系統(tǒng)MS3.21程序分析.rar54. 單片機(jī)C語言中LCD菜單的方法實(shí)現(xiàn).rar55. PICkit單片機(jī)編程器用戶指南.rar56. 單片機(jī)C語言編程中多位乘法運(yùn)算問題探討.rar57. 單片機(jī)解碼紅外遙控器.rar58. 高性能、低價(jià)格、支持JTAG仿真的ATMEGA16單片機(jī).rar59. AVR單片機(jī)BASIC編程及開發(fā).rar60. 單片機(jī)輸出控制電路的制作.rar61. ARM7與MSP430單片機(jī)的區(qū)別.rar62. 基于單片機(jī)的數(shù)字化B超鍵盤設(shè)計(jì).rar63. STC89C5X單片機(jī)“看門狗”原理、詳細(xì)說明和演示程序.rar64. PROTEUS 51單片機(jī)的電路仿真方法.rar65. 通用1553B總線的信息監(jiān)控系統(tǒng).rar66. UC/OS-II系統(tǒng)在C8051F120單片機(jī)上的移植過程.doc67. 單片機(jī)綜合設(shè)計(jì)原理下載.rar68. 單片機(jī)控制的鉛酸蓄電池充電電源.rar69. 單片機(jī)通信系統(tǒng)中CRC算法與硬件環(huán)境編程的實(shí)現(xiàn).rar70. ISP單片機(jī)實(shí)驗(yàn)板學(xué)習(xí).rar71. 基于CH341A的USB串口通訊設(shè)計(jì).rar72. 51單片機(jī)C語言實(shí)例淺析.rar73. 基于TLC1549的閥門開度儀設(shè)計(jì).rar74. PIC單片機(jī)定時(shí)器模塊應(yīng)用.rar75. S7-300和M7-300可編程序控制器參考手冊.rar76. 51端口的結(jié)構(gòu)及工作原理.rar77. 反激式開關(guān)電源電子數(shù)據(jù)表格.rar78. 51單片機(jī)實(shí)現(xiàn)的RS485通訊程序.rar79. 搭建理想的手機(jī)芯片平臺.pdf80. 單片機(jī)雙工通信的校驗(yàn)方式.rar81. PIC單片機(jī)的RS232通訊程序.rar82. AVR單片機(jī)與串行AD的SPI接口設(shè)計(jì).rar83. Delphi串口通信編程教程.rar84. 凌陽單片機(jī)開發(fā)資料.rar85. 用多處理器系統(tǒng)級芯片解決手機(jī)的多媒體任務(wù)需求.pdf86. 鐵氧體PQ芯產(chǎn)品系列擴(kuò)展.pdf87. DK4.1P-多功能數(shù)字卡拉OK處理器.pdf88. 飛思卡爾MC9S08AW60 最小系統(tǒng)設(shè)計(jì)與實(shí)現(xiàn).rar89. 透過專利看微處理器的技術(shù)發(fā)展.pdf90. MC68HC08系列單片機(jī)原理與應(yīng)用.rar91. C8051F單片機(jī)介紹.pdf92. 基于單片機(jī)控制的智能微波信號源發(fā)生器.rar93. 新一代超低功耗16位單片機(jī)TI MSP430系列.pdf94. 基于單片機(jī)的存儲設(shè)備轉(zhuǎn)儲器.rar95. 芯片系統(tǒng)架構(gòu)技術(shù)及開發(fā)平臺研究之推動(dòng).pdf96. 基于C8051F020的自動(dòng)測控LED節(jié)能照明系統(tǒng).rar97. 基于單片機(jī)的新型節(jié)能日光燈系統(tǒng)設(shè)計(jì).rar98. 單片微機(jī)系統(tǒng)測控技術(shù)設(shè)計(jì)集合.rar99. 基于PIC16C73的電子束焊機(jī)電視監(jiān)視系統(tǒng).rar100. 電子工程師基本知識結(jié)構(gòu).rar
標(biāo)簽: 電子技術(shù)
上傳時(shí)間: 2013-07-21
上傳用戶:eeworm
VIP專區(qū)-嵌入式/單片機(jī)編程源碼精選合集系列(49)資源包含以下內(nèi)容:1. 凌陽非接觸式紅外測溫傳感器的C51源程序。.2. 液晶模塊LCD2X8C驅(qū)動(dòng)程序.3. 含t h r e a d x,u c o s 的b s p.4. 液晶sed1335芯片.5. 8237可編程DMA控制器altera提供.6. xilinx嵌入式開發(fā)源碼.7. ZLG的LPC2220讀取SD卡的源代碼.8. 三星44b0 usbpid驅(qū)動(dòng)程序.9. 三星44B0的一款BOOTLOADER.10. i2c_slave mode for pic.11. max7219驅(qū)動(dòng).12. max7219控制程序.13. 語音通用程序.14. adc通用程序.15. 通用語音資料.16. ATMEGA128....液晶顯示程序.17. 基于MSP430的單片機(jī)的TC35/MC35的無線通訊MODEM.18. Uc-Os ii的多任務(wù)操作系統(tǒng)全部原代碼(強(qiáng)烈推薦).19. nios開發(fā)ucos源碼.20. MinOS嵌入式操作系統(tǒng),C/C++源代碼!基于KeilC51編譯器..21. 基于51單片機(jī)的濾波程序.22. IIC讀寫程序.23. 無刷電機(jī)無位置傳感器dsp程序.24. c51液晶顯示程序,顯示模塊,可通用于基于HD44780內(nèi)控器的液晶顯示器..25. DP-51H下載仿真實(shí)驗(yàn)儀提供80C51與接口實(shí)例.ZLG7290例程*.26. DP-51H下載仿真實(shí)驗(yàn)儀提供80C51與接口實(shí)例.讀EEPROM并顯示例程*.27. 一個(gè)讀取PCI配置空間的TOOL (在DOS下OR WIN 98).28. AT89C52實(shí)時(shí)時(shí)鐘DS1302測試,帶Proteus文件.29. 用AT89C52演奏音樂.30. 這個(gè)是安防用的控制鍵盤C源程序,采用KEIL C51開發(fā).用于控制前端解碼器!.31. 這是一個(gè)用于視頻切換的控制程序,采用AT89C51芯片,KEIL 51開發(fā).32. 自己近期寫的一個(gè)串口通信的小程序.33. 這是基于藍(lán)海微芯LJD-SY-XA+單片機(jī)開發(fā)系統(tǒng)的遠(yuǎn)程無線監(jiān)控系統(tǒng)的DA及AD采集和數(shù)碼顯示的部分.34. 基于51內(nèi)核的單片機(jī)的ucos-ii操作系統(tǒng)的移植的源代碼.35. 此代碼是實(shí)現(xiàn)將lwip協(xié)議移植于51單片機(jī)的測試程序.36. DOS下采用中斷接收數(shù)據(jù)的串口通訊的例子,很難找到的好東西!.37. lpc2292的can總線的簡單收發(fā)程序 底層驅(qū)動(dòng)程序都有.38. 數(shù)字密碼鎖設(shè)計(jì)的源代碼,喜歡的朋友就下載..39. 一個(gè)使用STGapiBuffer編程的例子.40. 好東西 AVR study.
標(biāo)簽: 機(jī)械制造 工藝 夾具 工業(yè)
上傳時(shí)間: 2013-04-15
上傳用戶:eeworm
UC GUI中文指導(dǎo)手冊
上傳時(shí)間: 2013-07-23
上傳用戶:eeworm
專輯類-數(shù)字處理及顯示技術(shù)專輯-106冊-9138M UC-GUI中文指導(dǎo)手冊.zip
上傳時(shí)間: 2013-04-24
上傳用戶:yumiaoxia
近年來,隨著多媒體技術(shù)、計(jì)算機(jī)網(wǎng)絡(luò)與通信技術(shù)的的快速發(fā)展,傳統(tǒng)的監(jiān)控系統(tǒng)也不斷向著新的發(fā)展方向進(jìn)行著不斷的更新與發(fā)展。進(jìn)而隨著嵌入式技術(shù)的出現(xiàn)以及人們對降低監(jiān)控系統(tǒng)成本和提高可靠性的迫切需求,基于嵌入式系統(tǒng)的網(wǎng)絡(luò)視頻監(jiān)控系統(tǒng)將成為新的研發(fā)熱點(diǎn)。 本文的目的是把嵌入式技術(shù)與計(jì)算機(jī)網(wǎng)絡(luò)技術(shù)相結(jié)合,構(gòu)造一個(gè)性能穩(wěn)定且具有較強(qiáng)處理能力的數(shù)字化遠(yuǎn)程視頻監(jiān)控系統(tǒng)。該監(jiān)控系統(tǒng)以嵌入式Linux系統(tǒng)平臺作為服務(wù)器端,服務(wù)器程序在其上以后臺方式運(yùn)行,等待監(jiān)控系統(tǒng)環(huán)境中的客戶機(jī)使用瀏覽器向其發(fā)送訪問請求,實(shí)現(xiàn)在局域網(wǎng)乃至Internet網(wǎng)上對攝像頭的遠(yuǎn)程控制。 文中把系統(tǒng)設(shè)計(jì)分為三大部分:系統(tǒng)硬件設(shè)計(jì)、嵌入式Linux在硬件平臺的實(shí)現(xiàn)和系統(tǒng)軟件設(shè)計(jì)。硬件設(shè)計(jì)部分首先提出了整個(gè)硬件系統(tǒng)的實(shí)現(xiàn)方案,接著詳細(xì)介紹了S3C2410處理器與存儲器、以太網(wǎng)控制器芯片以及USB和串口的接口電路設(shè)計(jì);第二部分詳細(xì)敘述了嵌入式Linux在本系統(tǒng)硬件平臺的移植實(shí)現(xiàn)及應(yīng)用程序的開發(fā)特點(diǎn),重點(diǎn)講述了本系統(tǒng)平臺上Linux的引導(dǎo)加載程序Bootloader的設(shè)計(jì)過程;系統(tǒng)軟件部分首先介紹了USB接口攝像頭驅(qū)動(dòng)在嵌入式Linux下的實(shí)現(xiàn),重點(diǎn)講述了Video4Linux下視頻采集的實(shí)現(xiàn),接著論述了如何實(shí)現(xiàn)圖像的JPEG壓縮,最后針對基于B/S模式的網(wǎng)絡(luò)通信系統(tǒng)結(jié)構(gòu),詳細(xì)闡述了網(wǎng)絡(luò)通信的具體實(shí)現(xiàn)過程和方法。 最后在辦公室局域網(wǎng)通過對系統(tǒng)測試,顯示了系統(tǒng)運(yùn)行結(jié)果,實(shí)現(xiàn)了利用局域網(wǎng)或Internet網(wǎng)對遠(yuǎn)程環(huán)境進(jìn)行監(jiān)控的功能。
標(biāo)簽: ARM 網(wǎng)絡(luò)視頻監(jiān)控 系統(tǒng)設(shè)計(jì)
上傳時(shí)間: 2013-07-04
上傳用戶:lgnf
永磁同步發(fā)電機(jī)由于一系列高效節(jié)能的優(yōu)點(diǎn),在工農(nóng)業(yè)生產(chǎn)、航空航天、國防和日常生活中得到廣泛應(yīng)用,并且受到許多學(xué)者的關(guān)注,其研究領(lǐng)域主要涉及永磁同步發(fā)電機(jī)的設(shè)計(jì)、精確性能分析、控制等方面。 本課題作為國家自然科學(xué)基金項(xiàng)目《無刷無勵(lì)磁機(jī)諧波勵(lì)磁的混合勵(lì)磁永磁電機(jī)的研究》的課題,主要研究永磁電機(jī)的電磁場空載和負(fù)載計(jì)算,求出永磁電機(jī)的電壓波形和電壓調(diào)整率,為分段式轉(zhuǎn)子的混合勵(lì)磁永磁電機(jī)的研究奠定基礎(chǔ),主要做了以下工作: 首先介紹了永磁同步發(fā)電機(jī)的基本原理,包括永磁同步發(fā)電機(jī)的結(jié)構(gòu)形式和永磁同步發(fā)電機(jī)的運(yùn)行性能,采用傳統(tǒng)解析理論給出了電壓調(diào)整率的計(jì)算方法及外特性的計(jì)算模型;然后用有限元ANSYS對永磁同步發(fā)電機(jī)樣機(jī)進(jìn)行實(shí)體建模,經(jīng)過定義分配材料、劃分網(wǎng)格、加邊界條件和載荷、求解計(jì)算等,得到矢量磁位Az、磁場強(qiáng)度H、磁感應(yīng)強(qiáng)度B等結(jié)果,直觀地看出電機(jī)內(nèi)部的磁場分布情況。 其次根據(jù)電磁場計(jì)算結(jié)果,應(yīng)用齒磁通法對其進(jìn)行后處理。該方法求解轉(zhuǎn)子在一個(gè)齒距內(nèi)不同位置處的磁場,以定子齒的磁通為計(jì)算單位,根據(jù)繞組與齒的匝鏈關(guān)系,計(jì)算出磁鏈隨時(shí)間的變化,進(jìn)而得到永磁同步發(fā)電機(jī)空、負(fù)載時(shí)電壓大小及波形。通過計(jì)算結(jié)果寫實(shí)驗(yàn)結(jié)果對比,驗(yàn)證了齒磁通法的正確性,為計(jì)算永磁同步發(fā)電機(jī)各種性能特性提供有力工具。 最后,基于齒磁通法對永磁同步發(fā)電機(jī)的外特性進(jìn)行了深入研究,定量分析了結(jié)構(gòu)參數(shù)對外特性的影響規(guī)律,提出了有效降低電壓調(diào)整率的方法的是:增加氣隙長度g的同時(shí),適當(dāng)增加永磁體的磁化方向的長度hm;此外,要盡量的減少每相串聯(lián)匝數(shù)N和增大導(dǎo)線面積以減小阻抗參數(shù)。通過改變電機(jī)的結(jié)構(gòu)參數(shù),對其電磁場進(jìn)行計(jì)算,找到永磁電機(jī)電壓調(diào)整率的變化規(guī)律,為加電勵(lì)磁的混合勵(lì)磁永磁電機(jī)做準(zhǔn)備,達(dá)到穩(wěn)定輸出電壓的目的。
標(biāo)簽: 永磁同步 發(fā)電機(jī) 磁場分析
上傳時(shí)間: 2013-04-24
上傳用戶:15853744528
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