跟讀練習: Introduction to Constrained Planning - 通過影片學習英語口語

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Hello.
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Now we are going to start learning constraints applied learning.
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Thank you.
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Let's start with an introduction of it.
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So After completing this lesson, You should be able to.
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Discuss the key objectives of constraint planning.
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describe the hardens of constraints of a constraint supply planning Thank you.
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You should be able to explain how to maximize demand satisfaction and minimize overloads.
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Constraint planning in Oracle Supply Planning Cloud, Balances material and plan resources.
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While meeting customer demand.
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It takes into account constraint at the enterprise as well as plant levels.
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Thank you.
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Constraint supply plan automates decision making by selecting alternates.
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to maximize on time demand fulfillment.
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and minimizes the manual intervention required to make the plan feasible to execute.
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The material and capacity constraints are considered simultaneously.
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It provides the global visibility to the effects of planning decision throughout the supply chain.
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It also reduces.
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Planning cycle time.
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and makes better decisions faster.
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Thank you.
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To use constraint based planning feature, you need to obtain this feature.
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You need to enable it in setup and maintenance module.
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To create a plan, the first thing is to define the plan options.
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To create a constraint supply plan, you need to set the supply planning mode to constraint.
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Thank you.
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This section discusses the key objectives of constraint planning.
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Thank you.
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Constraint supply planning respects lead time constraints.
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Lead time is respected as a hard constraint.
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You have the option of turning purchasing lead time off at the item level using a new item attribute in force,
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purchasing lead time.
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Manufacturing and transfer lead times are always respected as hard constraints.
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Constrained plan respects the capacity constraints and consider alternate soil planning, but.
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It prioritizes satisfaction of demand due dates.
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Higher than the need to respect resource.
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and supply capacity constraints.
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Let's look into the hard and soft constraint considered by constraint supply plans.
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Lead time constraint determines how soon new material can be available
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if there is insufficient on hand and on order inventory within the lead time.
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Planning time fences are also included in this category.
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A constraint plan will impose lead time as a hard constraint.
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within the lead time.
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Only on hand inventory.
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and scheduled receipts can be used to satisfy demands.
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Thank you.
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Thank you.
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As you can see in this picture, There is a planning time phase defined for an item.
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Only existing supplies like on hand or other schedule receipts are considered within planning time, friends.
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New plan orders can be treated beyond the lead time or planning time, friends.
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Thank you.
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Thank you.
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Here we have Two more points about constraint planning behavior.
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related to the purchase order within are outside of the planning time friends or lifetime.
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As it is shown here, purchase orders within the planning time fence or leave time.
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can only be rescheduled out and cannot be rescheduled in.
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Bye.
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If a purchase order is outside the planning time, friends, early time, then it can be rescheduled out.
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And in addition to it, it can be rescheduled in only till the planning time, friends, or lead time.
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Thank you.
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The item attribute enforced purchasing lead time controls, whether purchasing lead time constraints are applied or not.
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during the planning process.
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If it is said to yes, then all the lead times,
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including preprocessing, processing, transit, and post -processing are applied to determine the dates on buy orders.
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Thank you.
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If it is said to know.
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Only post processing lead time is applied.
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All other lead times are assumed to be.
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Zero.
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Thank you.
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Constraint planning also respects resource constraint by moving orders to an earlier time bucket.
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or offloading to an alternate resource.
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Please keep in mind that the constraint supply plan only overloads resource capacity.
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If there is no alternative to meet demand on time.
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It can improve planar productivity by automating the process of level loading.
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and offloading resource capacity.
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as well as reduce supply chain cost by.
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Minimizing the need to run overtime shifts on bottleneck resources.
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As an example, In this case, a frame manufacturer cannot satisfy customer demands.
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due to the overloaded labor resource in its cutting department.
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Thank you.
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To resolve this issue.
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They added an additional labor as an alternate in the cutting department.
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As a result, the planning system uses the alternate resource when the primary source is overloaded.
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And by doing this, it resolves the overload issue.
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If you see in this example, The unconstrained plan doesn't consider alternate resource and hence primary resource is overloaded.
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While in case of constraint plan.
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Thank you.
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Alternate sources used to resolve the overloads.
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resource constraints are applied.
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based on the plan option capacity constraint resources.
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Thank you.
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If it is set to all resources.
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Then the plan treats every resource as a potential constraint resource
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and apply and apply capacity constraints on all resources when calculating that plan output.
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Thank you.
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If it is said to.
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bottleneck resources only.
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Then the plan only treats the resources.
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that have bottleneck flags to yes as capacity constraint resources.
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Please also note that the resource attribute bottleneck is not a source attribute.
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It can be specified in the supply chain planning resource page.
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The default value for the bottleneck resource is set to.
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No. Thank you.
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Now the question is, in what order the capacity constraints are applied by the planning system?
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Thank you.
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So constraints apply planning, apply the capacity constraint in the following order.
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First.
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The planning system uses the capacity.
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to pre -built in earlier time buckets.
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Then, If it is required, it uses alternate resources.
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Finally.
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If there is no more availability, it overloads the capacity.
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Now let's look into an example, consider a demand for 500 units of an item on day three.
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The production rate is.
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10 units and add.
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the plan will first use them primary resource in day one,
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two and three to produce 80 units per day for a total of 240 units.
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The plan will then use the alternate resource in days one, two and three to produce.
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It units per day.
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for a total of 240 units.
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Finally, the plan will overload the primary resource on day three to produce 20 units.
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Thank you.
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here we have some more points regarding resource utilization and resource efficiency Thank you.
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Resource efficiency percentage.
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And resource utilization percentages are used to calculate.
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adjusted resource hours Resources are calculated.
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based on supply start quantity.
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And the resource usage is specified in the work definition.
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adjusted resource hours are calculated as resource hours divided by efficiency into utilization percentages.
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And adjusted resource hours consumes.
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resource capacity.
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You can review.
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The resource utilization information in resource plan.
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a bill plan or you can use custom pivot tables that include resource related measures.
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Okay.
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Thank you.
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Now let's talk about supplier capacity constraints.
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Supplier capacity is applied as a soft constraint when planning supplies for buy items.
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And applying a supply capacity constraint can result in the selection of an alternate supplier if primary supplier is overloaded.
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Supply capacity is consumed on the suggested date of by others.
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In this example, the daily supply capacity of rank one and rank two supply is 50 units per day.
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for a demand for 200 units of an item on day three in an unconstrained plan results in overload of primary supply.
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While in case of constraints apply plan.
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It results in two planned orders split across.
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to suppliers based on supplier capacity constraints.
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And as you can see, there are no overloads.
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- In this section, we'll discuss about demand due dates.
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Guys.
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Thank you.
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As we have discussed earlier, Constrained supply planning.
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prioritizes satisfaction of demand due dates higher than the need to respect resource and supply capacity constraints.
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when a capacity constraint exists Constraint supply planning.
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First, Pre builds in an earlier time bucket using the primary source of supply.
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Then it selects alternate sources of supply.
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And if no other option is available to fulfill demand on time, then it overloads the capacity.
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All right.
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Okay now let's look into some overview of constraint planning Here we can see an unconstrained plan.
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Thank you.
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Now, if you look into...
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in the plants and we can see demand at risk over 18 .8.
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Emilien.
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And if I see that the source overloaded, they are.
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multiple resources that are overloaded in this unconstrained plan.
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And if I go to the utilization percentage of resources to look how the resources are loaded, Thank you.
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Thank you.
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In this case, we can see the blue bars represent the resource requirements and the green bar represents the resource availability picture.
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So you could see that the resources are overloaded.
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In this particular.
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unconstrained plan.
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And now if I move.
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or re -run the same plan as in.
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constraint plan.
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Thank you.
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Now, if you see, in a constraint plan.
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The demand at risk value reduced from over 18 .8 million to only around 8 million.
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and If I look into the exceptions part, In this case, constraint plan has used.
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Alternate resources.
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It has also used substitute components as well as the source overloaded are reduced as compared to unconstrained plans.
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So we could see the total demand at risk value is
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gone down just by using that constraint plan with alternate resources and substitute components.
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If I go and look into the utilization percentages in case of constraint plan.
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Thank you.
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Now you can see that resources are not overloaded.
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So blue bars again represent the resource requirement and green is availability.
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And you can see that the green bars are higher than the resource requirements.
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Now, if I go back and look into some of the causes for the demand at risk, Thank you.
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Thank you.
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so now i can see the green bar represents Now, most of the cases where demands are late.
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So to look into that,
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I can either go to exceptions Thank you.
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Okay.
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Here I can see there are multiple exceptions raised for the constraint planning and it shows their demands.
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are at risk due to insufficient lead time.
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There are some demand as risk due to resource shortages.
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There.
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plan orders, which has used alternate resources in the plan order, use a substitute components.
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And if I look at the.
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demand at risk due to insufficient lead time, I can see there are sales orders.
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which is using some components like CM six six five one zero one and
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their demand at risk due to insufficient lead time.
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and they started is.
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3122. It means this is the current date of the plan run.
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which is run on a fixed rate environment.
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So if you try to look into that, why it has been satisfied late.
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So let's look into the bill plan of this particular item.
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So if I go to the build plan of this particular item, we can see that The PAB is negative on this particular week.
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So if I look, the Plan orders, how it has been satisfied.
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Thank you.
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I can see the demands on the first day.
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or the first bucket it satisfied using the on end quantities.
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If I look into the projected available balance or the total demand over here how it has been satisfied
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You can see the demand in the second bucket is satisfied late.
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Due to the.
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lead times of these components.
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These components are having 10 days processing lead time.
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And because of this, planned orders are created.
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Lit.
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And as if we have learned earlier that Constraint planning uses lead time as a hard constraint, so it cannot violate it.
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Hence, the supplies will be meeting late.
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on the next packet.
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So in this lesson, you should have learned how to discuss the key objectives of constraint planning,
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describe the hard and soft constraint of a constraint supply planning and explain how to maximize demand satisfaction.
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and minimize overloads.
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Thank you.
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Thank you.

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推薦影片

本課的詞彙與口語要點

這節 C1 級別的口語課以影片“Introduction to Constrained Planning”為素材。 影片中反覆出現的詞有:constraint, resource, planning, demand, supply。 這段影片共有 226 個句子、1986 個單詞可供跟讀。 講話部分時長為 18:19。 說話人語速較慢,每分鐘約 108 個詞,你有足夠的時間模仿每一個音。 只有 81% 的單詞屬於英語最常用的 3,000 詞,詞彙難度較高。

影片中的重點詞彙

影片中最難的 15 個單詞,附發音和釋義:

單詞發音釋義
constraint 名詞/kənˈstɹeɪnt/約束 /約束
overload 動詞/ˌəʊvəˈləʊd/超載 /超載
satisfy 動詞/ˈsætɪsfaɪ/滿足 /滿足
supplier 名詞/səˈplaɪə/供應商 /供應商, 供應者 /供應者
bottleneck 名詞瓶頸 /瓶頸
bucket 名詞/ˈbʌkɪt/水桶, 吊桶
attribute 名詞/ˈæt.ɹɪˌbjut/屬性 /屬性
minimize 動詞/ˈmɪn.ɪˌmaɪz/最小化
calculate 動詞/ˈkælkjʊleɪt/計算 /計算, 算
maximize 動詞/ˈmæksəmaɪz/最大化
adjust 動詞/əˈd͡ʒʌst/調整 /調整
automate 動詞/ˈɔ.təˌmeɪt/自動化 /自動化
prioritize 動詞/pɹaɪˈɒɹ.ə.taɪz/優先考慮 /優先考慮
consume 動詞/kənˈsum/耗費 /耗費, 消耗
quantity 名詞/ˈkwɑn(t)ɪti/數量 /數量, 量

影片中出現的短語動詞

單詞釋義
go back 動詞回去, 返回
go down 動詞下降, 下去

影片中的語法

說話人最常用的結構,並附上影片中的原話:

結構影片中的用法
被動語態 be + 過去分詞 — 強調發生了什麼,而不是誰做的are considered · is respected · are always respected
現在完成時 have/has + 過去分詞 — 過去發生但與現在仍有關聯的事have discussed · has been · have learned

需要注意的發音

  • “sh” 和 “zh” 音: insufficient /ɪnsəˈfɪʃənt/, shortage /ˈʃɔː(ɹ)tɪd͡ʒ/
  • 長單詞——注意重音位置: insufficient /ɪnsəˈfɪʃənt/, prioritize /pɹaɪˈɒɹ.ə.taɪz/, visibility /ˌvɪz.əˈbɪl.ɪ.ti/

中文母語者容易讀錯的音:

  • /v/ — 不要讀成 /w/,上齒輕觸下唇: overload /ˌəʊvəˈləʊd/, violate /ˈvaɪəˌleɪt/, visibility /ˌvɪz.əˈbɪl.ɪ.ti/, overtime /ˈoʊ.vɚˌtaɪm/
  • 詞尾子音 — 要讀清楚,後面不要加母音: constraint /kənˈstɹeɪnt/, overload /ˌəʊvəˈləʊd/, bucket /ˈbʌkɪt/, insufficient /ɪnsəˈfɪʃənt/, attribute /ˈæt.ɹɪˌbjut/
  • /æ/ — 嘴張大,不要讀成 /e/: satisfy /ˈsætɪsfaɪ/, attribute /ˈæt.ɹɪˌbjut/, calculate /ˈkælkjʊleɪt/, maximize /ˈmæksəmaɪz/, packet /ˈpæk.ɪt/

如何用這段影片練習

  1. 先完整聽一遍影片,不要開口,記下不認識的單詞。
  2. 用正常速度逐句跟讀,每句重複到你的節奏與說話人一致為止。
  3. 錄下自己的聲音並與原聲對比,特別注意 constraint, overload, satisfy 這類單詞。

什麼是跟讀法?

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