【正文】 r automatic analysis of video streaming, motion detection, identification, tracking and early warning threat targets, and use Ethernet video pression and transmission. It has the advantages of low cost, high reliability, low false alarm rate.Key words: intelligent digital surveillance system。 video。 DM3730。 CMOS image sensors**********************************************************************************基于人工視覺的四旋翼飛行器室內(nèi)定位與控制陳小龍1,2，唐強1,2，車軍1,2，劉林2(1. 飛行器控制一體化國防科技重點實驗室，西安 710065；2. 中航工業(yè)西安飛行自動控制研究所重點實驗室管理辦公室，西安 710065)摘要：為提高室內(nèi)四旋翼的定位精度，提出一種基于人工視覺的四旋翼室內(nèi)定位方法。在地面鋪設(shè)與地面顏色有差別的參考線，利用機載下視覺傳感器采集圖像，并進行參考線特征提取，確定參考線與機體的相對位置并與微慣性測量單元數(shù)據(jù)融合，給出四旋翼飛行器的位置。結(jié)果表明：該方案能在室內(nèi)實現(xiàn)精度較高的定位，可以滿足四旋翼航跡跟蹤的精度要求。關(guān)鍵詞：人工視覺；室內(nèi)導(dǎo)航；四旋翼Localization and Control of Quadrotor Aircraft Based on Indoor VisionChen Xiaolong1,2, Tang Qiang1,2, Che Jun1,2, Liu Lin2(1. National Key Laboratory of Science amp。 Technology on Aircraft Control, Xi’an 710065, China。 2. Management Office, Key Laboratory of AVIC Automatic Flight Control Research Institute, Xi’an 710065, China)Abstract: To improve the locating accuracy of quadrotor indoor, a locating algorithm based on vision is presented. Reference lines should be set on the ground and its color is different with ground, and quadrotor vision sensor is used to acquire images. Extract the reference line features, locates the relative positions between quadrotor and reference lines and pumds it with microinertia measuring unit data for actual position of the quadrotor. is used for validating this method and the result shows that this algorithm can realize high accuracy location meet accuracy requirements of trajectory tracking of quadrotor.Key words: monocular vision。 indoor navigation。 quadrotor**********************************************************************************軍用車輛滅火抑爆系統(tǒng)中光學(xué)探測溫度適應(yīng)技術(shù)王林祥1，聶文琪2，孔文艷2(1. 中國人民解放軍駐五十所軍事代表室，上海 200092；2. 上海電控研究所科技部，上海 200092)摘要：針對軍用裝甲車輛乘員艙的滅火抑爆系統(tǒng)探測火情的需要，提出2種調(diào)整光學(xué)探測器的探測靈敏度的解決方案。簡要分析光學(xué)探測技術(shù)的原理及分類，討論各種光學(xué)探測技術(shù)的優(yōu)點和局限性。介紹光學(xué)探測器的選擇及溫度對光學(xué)探測器的影響，重點論述某軍用車輛滅火抑爆系統(tǒng)中光學(xué)探測器的溫度適應(yīng)技術(shù)，采用軟件補償方案對紅外1 ms火警閾值、紅外1 s積分火警閾值及紅外光敏管的老化進行補償，并多次經(jīng)過高低溫試驗進行驗證。實驗結(jié)果表明：在40～55 ℃的溫度變化范圍內(nèi)，防誤報性能完全可以滿足國軍標(biāo)對光學(xué)探測器的要求。關(guān)鍵詞：光學(xué)探測；紫外；紅外；溫度Optical Detection Temperature Adaptation Technology in Fire Extinguishing and Explosion Suppression Systems on the Military VehicleWang Linxiang1, Nie Wenqi2, Kong Wenyan2(1. PLA Representative Office in No. 50th Institute, Shanghai 200092, China。2. Dept. of Science amp。 Technology, Shanghai Electronic Control Institute, Shanghai 200092, China)Abstract: Aiming at the demand of detecting fire in military armored vehicle crew cabin, two solutions for adjusting the detection sensitivity of optical detectors are put forward. It briefly analyzes the principle and classification of optical detection technology, discusses the advantages and limitations of various optical detection technologies. It introduces the selection of optical detector and the influence of temperature on it, then deeply discusses the optical detection temperature adaptation technology in fire extinguishing and explosion suppression systems on certain military vehicle, a software pensation method is used to make up for the burnin of infrared 1 ms fire threshold, infrared 1 s integrated fire threshold and infrared photosensitive tube, and it is verified repeatedly by high and low temperature test. The experimental results show that the performance of false alarm fully meets the military standard requirements of the optical detector while the temperature is changing from 40 ℃ to 55 ℃. Key words: optical detection。 ultraviolet。 infrared。 temperature**********************************************************************************基于ARM的磨光拉絲機數(shù)控系統(tǒng)周永洪(廣州數(shù)控設(shè)備有限公司系統(tǒng)研發(fā)一室，廣州 510530)摘要：為了克服液壓拉絲機的弊端，設(shè)計一種基于ARM的嵌入式數(shù)控系統(tǒng)。在介紹磨光拉絲機數(shù)控系統(tǒng)的工作原理與組成結(jié)構(gòu)的基礎(chǔ)上，利用數(shù)字光柵千分表對磨輥的進行數(shù)據(jù)測量并補償，對送給伺服電機的進給脈沖頻率進行加減速控制。重點介紹了插補與位置控制的數(shù)據(jù)流程與實現(xiàn)方法，根據(jù)提供的直線信息進行直線插補，將插補出的數(shù)據(jù)存入位控緩沖區(qū)節(jié)點中，并將此節(jié)點寫入位控緩沖區(qū)。插補模塊的處理過程滿足位控條件，位控模塊可以連續(xù)地輸出控制信息，位控數(shù)據(jù)送入FPGA，產(chǎn)生脈沖序列，實現(xiàn)對伺服電機的位置控制。實踐生產(chǎn)證明：該系統(tǒng)設(shè)計方案運行狀態(tài)良好，使數(shù)控系統(tǒng)滿足磨光拉絲的高速度和高精度的加工要求。關(guān)鍵詞：ARM；FPGA；數(shù)控系統(tǒng)；插補；位控緩沖區(qū)；磨光；拉絲CNC System of Grinding and Carving Machine Based on ARMZhou Yonghong(No. Chamber of System Research amp。 Development, Guangzhou CNC Equipment Co., Ltd., Guangzhou 510530, China)Abstract: A kind of embedded CNC system based on ARM is designed to resolve the problems of the current hydraulic pressure grinding and carving machine. Based on introducing the structure and elements for grinding and carving machine of CNC system, the roller is measured data by digital raster micrometer and pensated. The feed pulse that is controlled by accelerating and decelerating is sent to servomotor. The interpolation and position controlled technique of data stream is introduced importantly. When the beeline interpolation based on the provided beeline information, the CNC system get the interpolation data and save it to a node of position controlled buffer, then write it in the position control buffer. The interpolation with disposed process is satisfied with the position controlled of condition. The positioncontrolled module can export the controlled information. The positioncontrolled data is sent to FPGA, make the feed pulse stream, realize the position controlled of servomotor. By the practiced production, the CNC system is running well and can be used for the grinding and carving machine which can be fit to the high speed and high precision cutting condition. Key words: ARM。 FPGA。 CNC system。 interpolation。 position control buffer。 grind。 carve**********************************************************************************基于DSP的三相電壓型整流器張樹團1，高艷麗1，楊祥紅2，翟鴻君3(1. 海軍航空工程學(xué)院控制工程系，山東 煙臺 264001；2. 海軍航空工程學(xué)院新裝備中心，山東 煙臺 264001；3. 海軍航空工程學(xué)院基礎(chǔ)部，山東 煙臺 264001)摘要：為了提高整流器的功率因數(shù)，獲得能夠快速響應(yīng)和直流電壓穩(wěn)定輸出的直流電源，設(shè)計一種基于SVPWM和DSP的三相電壓型整流器。通過對三相VSR及五段法SVPWM的工作原理進行分析，完成了整流器的硬件電路設(shè)計和相關(guān)的軟件設(shè)計，并研制了實驗樣機。實驗結(jié)果表明：采用SVPWM控制的整流器能夠有效地降低諧波，提高功率因數(shù)。關(guān)鍵詞：三相電壓型整流器；SVPWM；DSPThreePhase Voltage Rectifier Based on DSPZhang Sh