classdef CountTime < matlab。System & matlab. System .mix . sampletime %计数命中数和时间属性(不可调)SampleTimeTypeProp = '离散采样时间';%样本时间类型SampleTime = 1.4;%样本时间偏移= 0.2;%偏移时间TickTime = 0.1;结束属性(离散状态)计数结束属性(常量，隐藏)SampleTimeTypePropSet = matlab.system.StringSet(…){'继承样本时间'，…“遗传不可控采样时间”，……“固定在小步骤采样时间”，…离散采样时间，… 'Controllable sample time'}); end methods(Access = protected) function sts = getSampleTimeImpl(obj) switch obj.SampleTimeTypeProp case 'Inherited sample time' sts = createSampleTime(obj,'Type','Inherited'); case 'Inherited not controllable sample time' sts = createSampleTime(obj,'Type','Inherited',... 'Disallow','Controllable'); case 'Fixed In Minor Step sample time' sts = createSampleTime(obj,'Type','Fixed In Minor Step'); case 'Discrete sample time' sts = createSampleTime(obj,'Type','Discrete',... 'SampleTime',obj.SampleTime, ... 'OffsetTime',obj.OffsetTime); case 'Controllable sample time' sts = createSampleTime(obj,'Type','Controllable',... 'TickTime',obj.TickTime); end end function [Count, Time, SampleTime] = stepImpl(obj,u) Count = obj.Count + u; obj.Count = Count; Time = getCurrentTime(obj); sts = getSampleTime(obj); if strcmp(sts.Type,'Controllable') setNumTicksUntilNextHit(obj,obj.Count); end SampleTime = sts.SampleTime; end function setupImpl(obj) obj.Count = 0; end function resetImpl(obj) % Initialize / reset discrete-state properties obj.Count = 0; end function flag = isInactivePropertyImpl(obj,prop) flag = false; switch obj.SampleTimeTypeProp case {'Inherited sample time', ... 'Inherited not controllable sample time', ... 'Fixed In Minor Step sample time'} if any(strcmp(prop,{'SampleTime','OffsetTime','TickTime'})) flag = true; end case 'discrete' if any(strcmp(prop,{'TickTime'})) flag = true; end case 'controllable' if any(strcmp(prop,{'SampleTime','OffsetTime'})) flag = true; end end end end end