PID算法在广告成本控制领域的应用

{"type":"doc","content":[{"type":"heading","attrs":{"align":null,"level":2},"content":[{"type":"text","text":"一、背景介绍"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"在商品服务高度发达，信息爆炸的市场经济体制下，企业之间的竞争日益激烈，广告作为一种重要的营销手段，肩负着将企业自身的品牌形象及产品服务准确传达给消费者，促进企业商业利益达成的使命。可以说广告对于企业的生存发展至关重要。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"随着信息技术的进步，互联网广告由于投放周期短、触达范围广、可精准投放等优点，近些年来得到了高速发展。在互联网广告系统中，广告主（企业\/商家）通过购买供给方（媒体）提供的广告位，将广告传递给受众（消费者），进而达成广告主的商业目的。在上述过程中，针对同一广告位，往往会存在多个广告主竞争出价，最终出价高者以一定的成本，赢得广告位并获得展示机会。具体过程如下图1-1所示。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"image","attrs":{"src":"https:\/\/static001.infoq.cn\/resource\/image\/76\/a7\/7650b08d819ed7084d8e49c060dd41a7.png","alt":null,"title":null,"style":null,"href":null,"fromPaste":true,"pastePass":false}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":"center","origin":null},"content":[{"type":"text","text":"图1-1 广告竞价示意"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}}]}